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git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/data-analysis/DataMiner@150409 82a268e6-3cf1-43bd-a215-b396298e98cf

This commit is contained in:
Lucio Lelii 2017-06-16 13:28:06 +00:00
parent 757f15e36b
commit 9345ac699e
17 changed files with 7 additions and 2158 deletions
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5
.settings/org.eclipse.core.resources.prefs
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@ -1,10 +1,5 @@
eclipse.preferences.version=1
encoding//src/main/java=UTF-8
encoding//src/main/java/org/n52/wps/demo/CopyOfGPDemoFile.java=UTF-8
encoding//src/main/java/org/n52/wps/demo/GPDemoFile.java=UTF-8
encoding//src/main/java/org/n52/wps/demo/GPDemoSimple.java=UTF-8
encoding//src/main/java/org/n52/wps/demo/GPDemoXML.java=UTF-8
encoding//src/main/java/org/n52/wps/demo/TestIO.java=UTF-8
encoding//src/main/resources=UTF-8
encoding//src/test/java=UTF-8
encoding//src/test/resources=UTF-8

33
pom.xml
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@ -16,18 +16,6 @@
<url>https://svn.d4science.research-infrastructures.eu/gcube/trunk/data-analysis/DataMiner</url>
</scm>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.gcube.distribution</groupId>
<artifactId>maven-smartgears-bom</artifactId>
<version>LATEST</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<developers>
<developer>
<name>Gianpaolo Coro</name>
@ -54,15 +42,7 @@
</dependency>
<dependency>
<groupId>org.gcube.core</groupId>
<artifactId>common-smartgears</artifactId>
</dependency>
<dependency>
<groupId>org.gcube.core</groupId>
<artifactId>common-smartgears-app</artifactId>
</dependency>
<dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
@ -135,14 +115,14 @@
<version>4.11</version>
<scope>test</scope>
</dependency>
<dependency>
<!-- <dependency>
<groupId>org.gcube.common</groupId>
<artifactId>common-authorization</artifactId>
</dependency>
<dependency>
<groupId>org.gcube.core</groupId>
<artifactId>common-scope</artifactId>
</dependency>
</dependency> -->
<dependency>
<groupId>javassist</groupId>
<artifactId>javassist</artifactId>
@ -160,11 +140,10 @@
<version>[2.0.0-SNAPSHOT,3.0.0-SNAPSHOT)</version>
</dependency>
<!-- https://mvnrepository.com/artifact/xml-apis/xml-apis -->
<dependency>
<groupId>xml-apis</groupId>
<artifactId>xml-apis</artifactId>
<version>2.0.2</version>
<groupId>xerces</groupId>
<artifactId>xercesImpl</artifactId>
<version>2.11.0</version>
</dependency>

131
src/main/java/org/gcube/dataanalysis/wps/statisticalmanager/synchserver/capabilities/GetCapabilitiesBuilder.java
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@ -1,131 +0,0 @@
package org.gcube.dataanalysis.wps.statisticalmanager.synchserver.capabilities;
import java.io.InputStream;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.apache.commons.io.IOUtils;
import org.gcube.dataanalysis.ecoengine.processing.factories.ProcessorsFactory;
import org.gcube.dataanalysis.wps.statisticalmanager.synchserver.infrastructure.InfrastructureDialoguer;
import org.gcube.dataanalysis.wps.statisticalmanager.synchserver.mapping.ConfigurationManager;
import org.gcube.dataanalysis.wps.statisticalmanager.synchserver.mapping.TokenManager;
import org.gcube.dataanalysis.wps.statisticalmanager.synchserver.utils.GcubeAlgorithmRepository;
import org.n52.wps.commons.WPSConfig;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class GetCapabilitiesBuilder {
public static String processString = "<wps:Process wps:processVersion=\"1.1.0\">\n\t<ows:Identifier>#CLASS#</ows:Identifier>\n\t<ows:Title>#TITLE#</ows:Title>\n</wps:Process>";
private static final Logger LOGGER= LoggerFactory.getLogger(GetCapabilitiesBuilder.class);
public String getClassification(String algorithmName, ConfigurationManager configManager) throws Exception{
//get algorithms classification:
LOGGER.debug("Searching for a classification of "+algorithmName);
HashMap<String, List<String>> algorithmsClassification = ProcessorsFactory.getAllFeaturesUser(configManager.getConfig());
String rightClassification = "Others";
for (String classification:algorithmsClassification.keySet()){
List<String> algorithms = algorithmsClassification.get(classification);
if (algorithms.contains(algorithmName)){
LOGGER.debug("Found classification"+classification);
return classification;
}
}
LOGGER.debug("No classification found for "+algorithmName);
return rightClassification;
}
public String buildGetCapabilities(Map<String, String[]> parameters) throws Exception {
LinkedHashMap<String, Object> basicInputs = new LinkedHashMap<String, Object>();
//DONE get scope and username from SmartGears to build the get capabilities
/* OLD CODE
if (parameters != null) {
if (parameters.get(ConfigurationManager.scopeParameter) != null)
basicInputs.put(ConfigurationManager.scopeParameter, parameters.get(ConfigurationManager.scopeParameter)[0]);
if (parameters.get(ConfigurationManager.usernameParameter) != null)
basicInputs.put(ConfigurationManager.usernameParameter, parameters.get(ConfigurationManager.usernameParameter)[0]);
} else {// case for testing purposes only
if (AbstractEcologicalEngineMapper.simulationMode){
basicInputs.put(ConfigurationManager.scopeParameter, ConfigurationManager.defaultScope);
basicInputs.put(ConfigurationManager.usernameParameter, ConfigurationManager.defaultUsername);
}
}
*/
ConfigurationManager configManager = new ConfigurationManager();
TokenManager tokenm = new TokenManager();
tokenm.getCredentials();
String scope = tokenm.getScope();
String username = tokenm.getUserName();
String token = tokenm.getToken();
basicInputs.put(ConfigurationManager.scopeParameter, scope);
basicInputs.put(ConfigurationManager.usernameParameter, username);
basicInputs.put(ConfigurationManager.tokenParameter, token);
configManager.configAlgorithmEnvironment(basicInputs);
LOGGER.debug("Initializing Capabilities Skeleton in scope " + configManager.getScope() + " with user " + configManager.getUsername());
InputStream is = this.getClass().getClassLoader().getResourceAsStream("templates/wpsCapabilitiesSkeleton.xml");
String stringTemplate = IOUtils.toString(is, "UTF-8");
//TODO: GET HOSTNAME AND PORT from container
String host = WPSConfig.getInstance().getWPSConfig().getServer().getHostname();
String port = WPSConfig.getInstance().getWPSConfig().getServer().getHostport();
stringTemplate = stringTemplate.replace("#HOST#", host).replace("#PORT#", port);
LOGGER.debug("Host: " + host + " Port: " + port);
LinkedHashMap<String, String> allalgorithms = new LinkedHashMap<String, String>();
/*
String packageS = "org.gcube.dataanalysis.wps.statisticalmanager.synchserver.mappedclasses";
List<Class<?>> classes = null;
try{
LOGGER.debug("Taking classes from /classes");
classes = GetCapabilitiesChecker.find(packageS);
}catch(Exception e){
LOGGER.debug("Taking classes from the Jar");
classes=GetCapabilitiesChecker.getClassesInSamePackageFromJar(packageS);
}*/
LOGGER.info("using classloader class {} ",Thread.currentThread().getContextClassLoader().getClass().getSimpleName());
Set<Class<?>> algorithmsClass = GcubeAlgorithmRepository.getAllAlgorithms();
LOGGER.info("class found with annotation Algorithm are {}",algorithmsClass.size());
for (Class<?> classfind : algorithmsClass) {
org.n52.wps.algorithm.annotation.Algorithm algorithmInfo = classfind.getAnnotation(org.n52.wps.algorithm.annotation.Algorithm.class);
if (algorithmInfo != null) {
LOGGER.debug("Retrieving local declared Algorithm: " + algorithmInfo.title());
allalgorithms.put(algorithmInfo.title(), classfind.getName());
}
}
LOGGER.debug("Getting algorithms from the infrastructure");
InfrastructureDialoguer dialoguer = new InfrastructureDialoguer(configManager.getScope());
List<String> algorithmsInScope = dialoguer.getAlgorithmsInScope();
LOGGER.debug("Found " + algorithmsInScope.size() + " algorithms in scope ");
StringBuffer capabilities = new StringBuffer();
for (String algorithmInScope : algorithmsInScope) {
String classAlgorithm = allalgorithms.get(algorithmInScope);
if (classAlgorithm != null) {
LOGGER.debug("Approving " + classAlgorithm + " to capabilities ");
String algorithmTitle = getClassification(algorithmInScope, configManager)+":"+algorithmInScope;
// String algorithmTitle = algorithmInScope;
capabilities.append(processString.replace("#TITLE#", algorithmTitle).replace("#CLASS#", classAlgorithm));
}
}
stringTemplate = stringTemplate.replace("#PROCESSES#", capabilities.toString());
LOGGER.debug("Get capabilities built");
return stringTemplate;
}
}

2
src/main/java/org/gcube/dataanalysis/wps/statisticalmanager/synchserver/infrastructure/InfrastructureDialoguer.java
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@ -70,7 +70,7 @@ public class InfrastructureDialoguer {
throw new Exception("No resource named StatisticalManagerAlgorithm available in scope "+scope);
}
List<String> resourcesNames = new ArrayList<String>();
LOGGER.debug("Found "+resources.size()+" resources");
LOGGER.debug("Found {} algorithms",resources.size());
for (GenericResource resource: resources){
resourcesNames.add(resource.profile().name());
}

1
src/main/java/org/gcube/dataanalysis/wps/statisticalmanager/synchserver/mapping/ConfigurationManager.java
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@ -2,7 +2,6 @@ package org.gcube.dataanalysis.wps.statisticalmanager.synchserver.mapping;
import java.io.File;
import java.io.InputStream;
import java.net.Inet4Address;
import java.util.LinkedHashMap;
import java.util.Properties;
import java.util.UUID;

113
src/main/java/org/gcube/dataanalysis/wps/statisticalmanager/synchserver/utils/GcubeAlgorithmRepository.java
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@ -1,113 +0,0 @@
package org.gcube.dataanalysis.wps.statisticalmanager.synchserver.utils;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Set;
import net.opengis.wps.x100.ProcessDescriptionType;
import org.n52.wps.algorithm.annotation.Algorithm;
import org.n52.wps.server.IAlgorithm;
import org.n52.wps.server.IAlgorithmRepository;
import org.reflections.Reflections;
import org.reflections.util.ClasspathHelper;
import org.reflections.util.ConfigurationBuilder;
import org.reflections.util.FilterBuilder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class GcubeAlgorithmRepository implements IAlgorithmRepository {
private static long UPDATE_TIME_IN_MILLIS = 60000;
private static Logger log = LoggerFactory.getLogger(GcubeAlgorithmRepository.class);
//private static GcubeAlgorithmRepository instance= new GcubeAlgorithmRepository();
private static Long lastUpdate = 0l;
private static Reflections reflection;
public GcubeAlgorithmRepository(){
updateRepository();
}
public ProcessDescriptionType getProcessDescription(String identifier){
updateRepository();
log.info("getProcessDescription with identifier {} ",identifier);
try{
Set<Class<?>> classes = reflection.getTypesAnnotatedWith(Algorithm.class);
for (Class<?> _class: classes){
if (_class.getAnnotation(Algorithm.class).identifier().equals(identifier)){
return ((IAlgorithm)_class.newInstance()).getDescription();
}
}
}catch(Exception e){}
throw new RuntimeException(String.format("Algorithm with process id %s not found", identifier));
}
public boolean containsAlgorithm(String identifier) {
updateRepository();
log.info("containsAlgorithm with identifier {} ",identifier);
Set<Class<?>> classes = reflection.getTypesAnnotatedWith(Algorithm.class);
for (Class<?> _class: classes){
if (_class.getAnnotation(Algorithm.class).identifier().equals(identifier)){
return true;
}
}
return false;
}
public IAlgorithm getAlgorithm(String identifier){
updateRepository();
log.info("getAlgorithm with identifier {} ",identifier);
try{
Set<Class<?>> classes = reflection.getTypesAnnotatedWith(Algorithm.class);
for (Class<?> _class: classes){
if (_class.getAnnotation(Algorithm.class).identifier().equals(identifier)){
if (IAlgorithm.class.isAssignableFrom(_class)){
return (IAlgorithm)_class.newInstance();
} else {
log.warn("found algorothm class {} is no assignable from {}",_class.getName(), IAlgorithm.class.getName());
break;
}
}
}
}catch(Exception e){}
throw new RuntimeException(String.format("Algorithm with id %s not found", identifier));
}
public static Set<Class<?>> getAllAlgorithms() {
updateRepository();
return reflection.getTypesAnnotatedWith(Algorithm.class);
}
private static synchronized void updateRepository(){
if ((System.currentTimeMillis()-lastUpdate)>UPDATE_TIME_IN_MILLIS){
log.info("update time passed, updating repository");
String packageToFind = "org.gcube.dataanalysis.wps.statisticalmanager.synchserver.mappedclasses";
ConfigurationBuilder confBuilder = new ConfigurationBuilder()
.filterInputsBy(new FilterBuilder().include(FilterBuilder.prefix(packageToFind)))
.setUrls(ClasspathHelper.forClassLoader());
reflection = new Reflections(confBuilder);
lastUpdate = System.currentTimeMillis();
}
}
@Override
public Collection<String> getAlgorithmNames() {
updateRepository();
Collection<String> toReturn = new ArrayList<String>();
Set<Class<?>> classes = reflection.getTypesAnnotatedWith(Algorithm.class);
for (Class<?> _class: classes){
toReturn.add(_class.getAnnotation(Algorithm.class).title());
}
return toReturn;
}
@Override
public void shutdown() {
}
}

162
src/main/java/org/gcube/dataanalysis/wps/statisticalmanager/synchserver/web/CancelComputation.java
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@ -1,162 +0,0 @@
package org.gcube.dataanalysis.wps.statisticalmanager.synchserver.web;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.util.UUID;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.lang.StringUtils;
import org.n52.wps.commons.XMLUtil;
import org.n52.wps.server.database.DatabaseFactory;
import org.n52.wps.server.database.IDatabase;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class CancelComputation extends HttpServlet {
private final static Logger LOGGER = LoggerFactory.getLogger(CancelComputation.class);
private static final long serialVersionUID = -268198171054599696L;
// This is required for URL generation for response documents.
public final static String SERVLET_PATH = "RetrieveResultServlet";
// in future parameterize
//private final boolean indentXML = false;
private final int uuid_length = 36;
@Override
public void init(ServletConfig config) throws ServletException {
super.init(config);
}
public static String empty = "<wps:ExecuteResponse service=\"WPS\" " +
"serviceInstance=\"\" statusLocation=\"\" version=\"1.0.0\" xml:lang=\"en-US\" xsi:schemaLocation=\"http://www.opengis.net/wps/1.0.0 http://schemas.opengis.net/wps/1.0.0/wpsExecute_response.xsd\" " +
"xmlns:ows=\"http://www.opengis.net/ows/1.1\" xmlns:wps=\"http://www.opengis.net/wps/1.0.0\" " +
"xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"> " +
"<wps:Process wps:processVersion=\"1.1.0\"/> " +
"</wps:ExecuteResponse>";
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// id of result to retrieve.
String id = request.getParameter("id");
LOGGER.debug("CANCEL COMPUTATION -> RETRIEVING ID " + id);
if (StringUtils.isEmpty(id)) {
errorResponse("id parameter missing", response);
} else {
LOGGER.debug("CANCEL COMPUTATION -> ID RETRIEVED " + id);
if (!isIDValid(id)) {
errorResponse("id parameter not valid", response);
}
LOGGER.debug("CANCEL COMPUTATION -> ID IS VALID " + id);
IDatabase db = DatabaseFactory.getDatabase();
long len = db.getContentLengthForStoreResponse(id);
LOGGER.debug("CANCEL COMPUTATION -> INITIAL ID RESPONSE LENGTH " + len);
try {
LOGGER.debug("CANCEL COMPUTATION -> DELETING ID " + id);
try {
// String empty = "";
InputStream stream = new ByteArrayInputStream(empty.getBytes("UTF-8"));
db.updateResponse(id, stream);
stream.close();
} catch (Exception e) {
LOGGER.error("error reading th einput stream",e);
}
LOGGER.debug("CANCEL COMPUTATION -> ID DELETED " + id);
len = db.getContentLengthForStoreResponse(id);
LOGGER.debug("CANCEL COMPUTATION -> ID RESPONSE LENGTH " + len);
} catch (Exception e) {
LOGGER.error("error in do get",e);
} finally {
}
}
}
protected void errorResponse(String error, HttpServletResponse response) throws IOException {
response.setContentType("text/html");
response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
PrintWriter writer = response.getWriter();
writer.write("<html><title>Error</title><body>" + error + "</body></html>");
writer.flush();
LOGGER.warn("Error processing response: " + error);
}
protected void copyResponseStream(InputStream inputStream, OutputStream outputStream, String id, long contentLength) throws IOException {
long contentWritten = 0;
try {
byte[] buffer = new byte[8192];
int bufferRead;
while ((bufferRead = inputStream.read(buffer)) != -1) {
outputStream.write(buffer, 0, bufferRead);
contentWritten += bufferRead;
}
} catch (IOException e) {
String exceptionMessage = contentLength > -1 ? String.format("Error writing response to output stream for id %s, %d of %d bytes written", id, contentWritten, contentLength) : String.format("Error writing response to output stream for id %s, %d bytes written", id, contentWritten);
throw new IOException(exceptionMessage, e);
}
LOGGER.info("{} bytes written in response to id {}", contentWritten, id);
}
protected void copyResponseAsXML(InputStream inputStream, OutputStream outputStream, boolean indent, String id) throws IOException {
try {
XMLUtil.copyXML(inputStream, outputStream, indent);
} catch (IOException e) {
throw new IOException("Error writing XML response for id " + id, e);
}
}
public static Throwable getRootCause(Throwable t) {
return t.getCause() == null ? t : getRootCause(t.getCause());
}
public boolean isIDValid(String id) {
if (id.length() <= uuid_length) {
try {
UUID checkUUID = UUID.fromString(id);
if (checkUUID.toString().equals(id)) {
return true;
} else {
return false;
}
} catch (Exception e) {
return false;
}
} else {
String uuidPartOne = id.substring(0, uuid_length);
String uuidPartTwo = id.substring(id.length() - uuid_length, id.length());
return isUUIDValid(uuidPartOne) && isUUIDValid(uuidPartTwo);
}
}
public boolean isUUIDValid(String uuid) {
// the following can be used to check whether the id is a valid UUID
try {
UUID checkUUID = UUID.fromString(uuid);
if (checkUUID.toString().equals(uuid)) {
return true;
} else {
return false;
}
} catch (Exception e) {
return false;
}
}
}

31
src/main/java/org/gcube/dataanalysis/wps/statisticalmanager/synchserver/web/ExecuteResponse.java
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@ -1,31 +0,0 @@
package org.gcube.dataanalysis.wps.statisticalmanager.synchserver.web;
import java.io.InputStream;
import org.n52.wps.server.ExceptionReport;
import org.n52.wps.server.request.ExecuteRequest;
import org.n52.wps.server.response.ExecuteResponseBuilder;
import org.n52.wps.server.response.Response;
public class ExecuteResponse extends Response {
private ExecuteResponseBuilder builder;
public ExecuteResponse(ExecuteRequest request) throws ExceptionReport{
super(request);
this.builder = ((ExecuteRequest)this.request).getExecuteResponseBuilder();
}
@Override
public InputStream getAsStream() throws ExceptionReport{
return this.builder.getAsStream();
}
public ExecuteResponseBuilder getExecuteResponseBuilder(){
return builder;
}
public String getMimeType(){
return builder.getMimeType();
}
}

430
src/main/java/org/gcube/dataanalysis/wps/statisticalmanager/synchserver/web/RequestHandler.java
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@ -1,430 +0,0 @@
package org.gcube.dataanalysis.wps.statisticalmanager.synchserver.web;
/**
* Copyright (C) 2007 - 2014 52°North Initiative for Geospatial Open Source
* Software GmbH
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
* If the program is linked with libraries which are licensed under one of
* the following licenses, the combination of the program with the linked
* library is not considered a "derivative work" of the program:
*
* • Apache License, version 2.0
* • Apache Software License, version 1.0
* • GNU Lesser General Public License, version 3
* • Mozilla Public License, versions 1.0, 1.1 and 2.0
* • Common Development and Distribution License (CDDL), version 1.0
*
* Therefore the distribution of the program linked with libraries licensed
* under the aforementioned licenses, is permitted by the copyright holders
* if the distribution is compliant with both the GNU General Public
* License version 2 and the aforementioned licenses.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
org.gcube.dataanalysis.wps.statisticalmanager.synchserver.weberver.handler;
*/
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Map;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.RejectedExecutionException;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.apache.commons.collections.map.CaseInsensitiveMap;
import org.apache.commons.io.IOUtils;
import org.gcube.common.authorization.library.AuthorizedTasks;
import org.gcube.dataanalysis.wps.statisticalmanager.synchserver.capabilities.GetCapabilitiesBuilder;
import org.n52.wps.server.ExceptionReport;
import org.n52.wps.server.WebProcessingService;
import org.n52.wps.server.handler.RequestExecutor;
import org.n52.wps.server.request.CapabilitiesRequest;
import org.n52.wps.server.request.DescribeProcessRequest;
import org.n52.wps.server.request.ExecuteRequest;
import org.n52.wps.server.request.Request;
import org.n52.wps.server.request.RetrieveResultRequest;
import org.n52.wps.server.response.Response;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.xml.sax.SAXException;
public class RequestHandler {
public static final String VERSION_ATTRIBUTE_NAME = "version";
/** Computation timeout in seconds */
protected static RequestExecutor pool = new RequestExecutor();
protected OutputStream os;
private static Logger LOGGER = LoggerFactory.getLogger(RequestHandler.class);
protected String responseMimeType;
protected Request req;
// Empty constructor due to classes which extend the RequestHandler
protected RequestHandler() {
}
private Map<String, String[]> params;
/**
* Handles requests of type HTTP_GET (currently capabilities and
* describeProcess). A Map is used to represent the client input.
*
* @param params
* The client input
* @param os
* The OutputStream to write the response to.
* @throws ExceptionReport
* If the requested operation is not supported
*/
public RequestHandler(Map<String, String[]> params, OutputStream os)
throws ExceptionReport {
this.os = os;
this.params=params;
//sleepingTime is 0, by default.
/*if(WPSConfiguration.getInstance().exists(PROPERTY_NAME_COMPUTATION_TIMEOUT)) {
this.sleepingTime = Integer.parseInt(WPSConfiguration.getInstance().getProperty(PROPERTY_NAME_COMPUTATION_TIMEOUT));
}
String sleepTime = WPSConfig.getInstance().getWPSConfig().getServer().getComputationTimeoutMilliSeconds();
*/
Request req;
CaseInsensitiveMap ciMap = new CaseInsensitiveMap(params);
/*
* check if service parameter is present and equals "WPS"
* otherwise an ExceptionReport will be thrown
*/
String serviceType = Request.getMapValue("service", ciMap, true);
if(!serviceType.equalsIgnoreCase("WPS")){
throw new ExceptionReport("Parameter <service> is not correct, expected: WPS, got: " + serviceType,
ExceptionReport.INVALID_PARAMETER_VALUE, "service");
}
/*
* check language. if not supported, return ExceptionReport
* Fix for https://bugzilla.52north.org/show_bug.cgi?id=905
*/
String language = Request.getMapValue("language", ciMap, false);
if(language != null){
Request.checkLanguageSupported(language);
}
// get the request type
String requestType = Request.getMapValue("request", ciMap, true);
if (requestType.equalsIgnoreCase("GetCapabilities")) {
req = new CapabilitiesRequest(ciMap);
}
else if (requestType.equalsIgnoreCase("DescribeProcess")) {
req = new DescribeProcessRequest(ciMap);
}
else if (requestType.equalsIgnoreCase("Execute")) {
req = new ExecuteRequest(ciMap);
setResponseMimeType((ExecuteRequest)req);
}
else if (requestType.equalsIgnoreCase("RetrieveResult")) {
req = new RetrieveResultRequest(ciMap);
}
else {
throw new ExceptionReport(
"The requested Operation is not supported or not applicable to the specification: "
+ requestType,
ExceptionReport.OPERATION_NOT_SUPPORTED, requestType);
}
this.req = req;
}
/**
* Handles requests of type HTTP_POST (currently executeProcess). A Document
* is used to represent the client input. This Document must first be parsed
* from an InputStream.
*
* @param is
* The client input
* @param os
* The OutputStream to write the response to.
* @throws ExceptionReport
*/
public RequestHandler(InputStream is, OutputStream os)
throws ExceptionReport {
String nodeName, localName, nodeURI, version = null;
Document doc;
this.os = os;
boolean isCapabilitiesNode = false;
try {
LOGGER.trace("Parsing Document...");
System.setProperty("javax.xml.parsers.DocumentBuilderFactory", "org.apache.xerces.jaxp.DocumentBuilderFactoryImpl");
DocumentBuilderFactory fac = DocumentBuilderFactory.newInstance();
fac.setNamespaceAware(true);
// parse the InputStream to create a Document
doc = fac.newDocumentBuilder().parse(is);
LOGGER.trace("Document Parsing OK");
// Get the first non-comment child.
Node child = doc.getFirstChild();
while(child.getNodeName().compareTo("#comment")==0) {
child = child.getNextSibling();
}
LOGGER.trace("Skipped comments OK");
nodeName = child.getNodeName();
localName = child.getLocalName();
nodeURI = child.getNamespaceURI();
Node versionNode = child.getAttributes().getNamedItem("version");
LOGGER.trace("Version OK");
/*
* check for service parameter. this has to be present for all requests
*/
Node serviceNode = child.getAttributes().getNamedItem("service");
if(serviceNode == null){
throw new ExceptionReport("Parameter <service> not specified.", ExceptionReport.MISSING_PARAMETER_VALUE, "service");
}else{
if(!serviceNode.getNodeValue().equalsIgnoreCase("WPS")){
throw new ExceptionReport("Parameter <service> not specified.", ExceptionReport.INVALID_PARAMETER_VALUE, "service");
}
}
LOGGER.trace("Service Node OK");
isCapabilitiesNode = nodeName.toLowerCase().contains("capabilities");
if(versionNode == null && !isCapabilitiesNode) {
throw new ExceptionReport("Parameter <version> not specified.", ExceptionReport.MISSING_PARAMETER_VALUE, "version");
}
if(!isCapabilitiesNode){
// version = child.getFirstChild().getTextContent();//.getNextSibling().getFirstChild().getNextSibling().getFirstChild().getNodeValue();
version = child.getAttributes().getNamedItem("version").getNodeValue();
}
LOGGER.trace("Capabilities Node OK");
/*
* check language, if not supported, return ExceptionReport
* Fix for https://bugzilla.52north.org/show_bug.cgi?id=905
*/
Node languageNode = child.getAttributes().getNamedItem("language");
if(languageNode != null){
String language = languageNode.getNodeValue();
Request.checkLanguageSupported(language);
}
LOGGER.trace("Language Node OK "+languageNode);
} catch (SAXException e) {
throw new ExceptionReport(
"There went something wrong with parsing the POST data: "
+ e.getMessage(),
ExceptionReport.NO_APPLICABLE_CODE, e);
} catch (IOException e) {
throw new ExceptionReport(
"There went something wrong with the network connection.",
ExceptionReport.NO_APPLICABLE_CODE, e);
} catch (ParserConfigurationException e) {
throw new ExceptionReport(
"There is a internal parser configuration error",
ExceptionReport.NO_APPLICABLE_CODE, e);
}
//Fix for Bug 904 https://bugzilla.52north.org/show_bug.cgi?id=904
if(!isCapabilitiesNode && version == null) {
LOGGER.error("EXCEPTION: Parameter <version> not specified." + ExceptionReport.MISSING_PARAMETER_VALUE + " version");
throw new ExceptionReport("Parameter <version> not specified." , ExceptionReport.MISSING_PARAMETER_VALUE, "version");
}
if(!isCapabilitiesNode && !version.equals(Request.SUPPORTED_VERSION)) {
LOGGER.error("EXCEPTION: Version not supported." + ExceptionReport.INVALID_PARAMETER_VALUE + "version");
throw new ExceptionReport("Version not supported." , ExceptionReport.INVALID_PARAMETER_VALUE, "version");
}
// get the request type
if (nodeURI.equals(WebProcessingService.WPS_NAMESPACE) && localName.equals("Execute")) {
LOGGER.debug("Detected Request to Execute!");
req = new ExecuteRequest(doc);
setResponseMimeType((ExecuteRequest)req);
LOGGER.debug("Request to Execute Configured!");
}else if (nodeURI.equals(WebProcessingService.WPS_NAMESPACE) && localName.equals("GetCapabilities")){
LOGGER.debug("Detected GetCapabilities!");
req = new CapabilitiesRequest(doc);
this.responseMimeType = "text/xml";
} else if (nodeURI.equals(WebProcessingService.WPS_NAMESPACE) && localName.equals("DescribeProcess")) {
LOGGER.debug("Detected DescribeProcess!");
req = new DescribeProcessRequest(doc);
this.responseMimeType = "text/xml";
} else if(!localName.equals("Execute")){
LOGGER.error("EXCEPTION Detected NON-supported Request "+"The requested Operation not supported or not applicable to the specification: "+ nodeName + ExceptionReport.OPERATION_NOT_SUPPORTED + localName);
throw new ExceptionReport("The requested Operation not supported or not applicable to the specification: "
+ nodeName, ExceptionReport.OPERATION_NOT_SUPPORTED, localName);
}
else if(nodeURI.equals(WebProcessingService.WPS_NAMESPACE)) {
LOGGER.error("specified namespace is not supported: "+ nodeURI + ExceptionReport.INVALID_PARAMETER_VALUE);
throw new ExceptionReport("specified namespace is not supported: "
+ nodeURI, ExceptionReport.INVALID_PARAMETER_VALUE);
}
}
/**
* Handle a request after its type is determined. The request is scheduled
* for execution. If the server has enough free resources, the client will
* be served immediately. If time runs out, the client will be asked to come
* back later with a reference to the result.
*
* @param req The request of the client.
* @throws ExceptionReport
*/
public void handle() throws ExceptionReport {
Response resp = null;
if(req ==null){
throw new ExceptionReport("Internal Error","");
}
if (req instanceof ExecuteRequest) {
LOGGER.debug("Request for execution");
// cast the request to an executerequest
ExecuteRequest execReq = (ExecuteRequest) req;
LOGGER.debug("Accepted request for execution");
execReq.updateStatusAccepted();
//modification by GP 26-05-2015 to account for multi user and scopes
Callable<Response> execCallable = AuthorizedTasks.bind(execReq);
ExceptionReport exceptionReport = null;
try {
if (execReq.isStoreResponse()) {
LOGGER.debug("Execution with output storing");
resp = new ExecuteResponse(execReq);
InputStream is = resp.getAsStream();
IOUtils.copy(is, os);
is.close();
// pool.submit(execReq);
pool.submit(execCallable);
return;
}
try {
LOGGER.debug("Execution without storing output");
// retrieve status with timeout enabled
try {
resp = pool.submit(execCallable).get();
}
catch (ExecutionException ee) {
LOGGER.warn("exception while handling ExecuteRequest.",ee);
// the computation threw an error
// probably the client input is not valid
if (ee.getCause() instanceof ExceptionReport) {
exceptionReport = (ExceptionReport) ee
.getCause();
} else {
exceptionReport = new ExceptionReport(
"An error occurred in the computation: "
+ ee.getMessage(),
ExceptionReport.NO_APPLICABLE_CODE);
}
} catch (InterruptedException ie) {
LOGGER.warn("interrupted while handling ExecuteRequest.",ie);
// interrupted while waiting in the queue
exceptionReport = new ExceptionReport(
"The computation in the process was interrupted.",
ExceptionReport.NO_APPLICABLE_CODE);
}
} finally {
if (exceptionReport != null) {
LOGGER.warn("ExceptionReport not null",exceptionReport);
// NOT SURE, if this exceptionReport is also written to the DB, if required... test please!
throw exceptionReport;
}
// send the result to the outputstream of the client.
/* if(((ExecuteRequest) req).isQuickStatus()) {
resp = new ExecuteResponse(execReq);
}*/
else if(resp == null) {
LOGGER.warn("null response handling ExecuteRequest.");
throw new ExceptionReport("Problem with handling threads in RequestHandler", ExceptionReport.NO_APPLICABLE_CODE);
}
if(!execReq.isStoreResponse()) {
InputStream is = resp.getAsStream();
IOUtils.copy(is, os);
is.close();
LOGGER.info("Served ExecuteRequest.");
}
}
} catch (RejectedExecutionException ree) {
LOGGER.warn("exception handling ExecuteRequest.", ree);
// server too busy?
throw new ExceptionReport(
"The requested process was rejected. Maybe the server is flooded with requests.",
ExceptionReport.SERVER_BUSY);
} catch (Exception e) {
LOGGER.error("exception handling ExecuteRequest.", e);
if (e instanceof ExceptionReport) {
throw (ExceptionReport)e;
}
throw new ExceptionReport("Could not read from response stream.", ExceptionReport.NO_APPLICABLE_CODE);
}
} else {
// for GetCapabilities and DescribeProcess:
resp = req.call();
try {
InputStream is = null;
if (req instanceof CapabilitiesRequest){
GetCapabilitiesBuilder builder = new GetCapabilitiesBuilder();
String getCapabilitiesStringFromInfra = "";
try {
getCapabilitiesStringFromInfra = builder.buildGetCapabilities(params);
} catch (Exception e) {
throw new ExceptionReport("Error in building GetCapabilities","getcapabilities",e);
}
is = IOUtils.toInputStream(getCapabilitiesStringFromInfra, "UTF-8");
}
else
is = resp.getAsStream();
IOUtils.copy(is, os);
is.close();
} catch (IOException e) {
throw new ExceptionReport("Could not read from response stream.", ExceptionReport.NO_APPLICABLE_CODE);
}
}
}
protected void setResponseMimeType(ExecuteRequest req) {
if(req.isRawData()){
responseMimeType = req.getExecuteResponseBuilder().getMimeType();
}else{
responseMimeType = "text/xml";
}
}
public String getResponseMimeType(){
if(responseMimeType == null){
return "text/xml";
}
return responseMimeType.toLowerCase();
}
}

422
src/main/java/org/gcube/dataanalysis/wps/statisticalmanager/synchserver/web/WebProcessingService.java
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@ -1,422 +0,0 @@
package org.gcube.dataanalysis.wps.statisticalmanager.synchserver.web;
/**
* Copyright (C) 2007 - 2014 52°North Initiative for Geospatial Open Source
* Software GmbH
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
* If the program is linked with libraries which are licensed under one of
* the following licenses, the combination of the program with the linked
* library is not considered a "derivative work" of the program:
*
* • Apache License, version 2.0
* • Apache Software License, version 1.0
* • GNU Lesser General Public License, version 3
* • Mozilla Public License, versions 1.0, 1.1 and 2.0
* • Common Development and Distribution License (CDDL), version 1.0
*
* Therefore the distribution of the program linked with libraries licensed
* under the aforementioned licenses, is permitted by the copyright holders
* if the distribution is compliant with both the GNU General Public
* License version 2 and the aforementioned licenses.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
org.gcube.dataanalysis.wps.statisticalmanager.synchserver.capabilities52.wps.server;
*/
// FvK: added Property Change Listener support
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import java.io.StringWriter;
import java.net.URLDecoder;
import java.util.Map;
import java.util.zip.GZIPOutputStream;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.xmlbeans.XmlException;
import org.gcube.smartgears.ContextProvider;
import org.gcube.smartgears.context.application.ApplicationContext;
import org.n52.wps.GeneratorDocument.Generator;
import org.n52.wps.ParserDocument.Parser;
import org.n52.wps.commons.WPSConfig;
import org.n52.wps.io.GeneratorFactory;
import org.n52.wps.io.ParserFactory;
import org.n52.wps.server.CapabilitiesConfiguration;
import org.n52.wps.server.ExceptionReport;
import org.n52.wps.server.database.DatabaseFactory;
import org.n52.wps.util.XMLBeansHelper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* This WPS supports HTTP GET for describeProcess and getCapabilities and XML-POST for execute.
*
* @author foerster
*
*/
public class WebProcessingService extends HttpServlet {
// Universal version identifier for a Serializable class.
// Should be used here, because HttpServlet implements the java.io.Serializable
private static final long serialVersionUID = 8943233273641771839L;
public static String PROPERTY_NAME_WEBAPP_PATH = "webappPath";
public static String BASE_DIR = null;
public static String WEBAPP_PATH = null;
public static String SERVLET_PATH = "WebProcessingService";
public static String WPS_NAMESPACE = "http://www.opengis.net/wps/1.0.0";
public static String DEFAULT_LANGUAGE = "en-US";
protected static Logger LOGGER = LoggerFactory.getLogger(WebProcessingService.class);
private ApplicationContext context = ContextProvider.get();
/**
*
* Returns a preconfigured OutputStream It takes care of: - caching - content-Encoding
*
* @param hsRequest
* the HttpServletRequest
* @param hsResponse
* the HttpServlerResponse
* @return the preconfigured OutputStream
* @throws IOException
* a task of the tomcat
*/
@SuppressWarnings("unused")
private static OutputStream getConfiguredOutputStream(HttpServletRequest hsRequest, HttpServletResponse hsResponse) throws IOException {
/*
* Forbids clients to cache the response May solve problems with proxies and bad implementations
*/
hsResponse.setHeader("Expires", "0");
if (hsRequest.getProtocol().equals("HTTP/1.1")) {
hsResponse.setHeader("Cache-Control", "no-cache");
} else if (hsRequest.getProtocol().equals("HTTP/1.0")) {
hsResponse.setHeader("Pragma", "no-cache");
}
// Enable/disable gzip compression
if (hsRequest.getHeader("Accept-Encoding") != null
&& hsRequest.getHeader("Accept-Encoding").indexOf("gzip") >= 0) {
hsResponse.setHeader("Content-Encoding", "gzip");
LOGGER.info("gzip-Compression for output enabled");
return new GZIPOutputStream(hsResponse.getOutputStream());
} // else {
LOGGER.info("gzip-Compression for output disabled");
return hsResponse.getOutputStream();
// }
}
@Override
public void init(ServletConfig config) throws ServletException {
super.init(config);
// this is important to set the lon lat support for correct CRS transformation.
System.setProperty("org.geotools.referencing.forceXY", "true");
LOGGER.info("WebProcessingService initializing...");
try {
if (WPSConfig.getInstance(config) == null) {
LOGGER.error("Initialization failed! Please look at the properties file!");
return;
}
}
catch (Exception e) {
LOGGER.error("Initialization failed! Please look at the properties file!", e);
return;
}
LOGGER.info("Initialization of wps properties successful!");
BASE_DIR = this.getServletContext().getRealPath("");
Parser[] parsers = WPSConfig.getInstance().getActiveRegisteredParser();
ParserFactory.initialize(parsers);
Generator[] generators = WPSConfig.getInstance().getActiveRegisteredGenerator();
GeneratorFactory.initialize(generators);
// call RepositoyManager to initialize
LOGGER.info("Algorithms initialized");
// String customWebappPath = WPSConfiguration.getInstance().getProperty(PROPERTY_NAME_WEBAPP_PATH);
String customWebappPath = WPSConfig.getInstance().getWPSConfig().getServer().getWebappPath();
if (customWebappPath != null) {
WEBAPP_PATH = customWebappPath;
}
else {
WEBAPP_PATH = "wps";
LOGGER.warn("No custom webapp path found, use default wps");
}
LOGGER.info("webappPath is set to: " + customWebappPath);
try {
CapabilitiesConfiguration.getInstance(BASE_DIR + File.separator + "config"
+ File.separator + "wpsCapabilitiesSkeleton.xml");
}
catch (IOException e) {
LOGGER.error("error while initializing capabilitiesConfiguration", e);
}
catch (XmlException e) {
LOGGER.error("error while initializing capabilitiesConfiguration", e);
}
// Get an instance of the database for initialization of the database
DatabaseFactory.getDatabase();
LOGGER.info("WPS up and running!");
// FvK: added Property Change Listener support
// creates listener and register it to the wpsConfig instance.
// it will listen to changes of the wpsCapabilities
WPSConfig.getInstance().addPropertyChangeListener(org.n52.wps.commons.WPSConfig.WPSCAPABILITIES_SKELETON_PROPERTY_EVENT_NAME,
new PropertyChangeListener() {
@Override
public void propertyChange(final PropertyChangeEvent propertyChangeEvent) {
LOGGER.info(this.getClass().getName()
+ ": Received Property Change Event: "
+ propertyChangeEvent.getPropertyName());
try {
CapabilitiesConfiguration.reloadSkeleton();
}
catch (IOException e) {
LOGGER.error("error while initializing capabilitiesConfiguration",
e);
}
catch (XmlException e) {
LOGGER.error("error while initializing capabilitiesConfiguration",
e);
}
}
});
// FvK: added Property Change Listener support
// creates listener and register it to the wpsConfig instance.
// it will listen to changes of the wpsConfiguration
WPSConfig.getInstance().addPropertyChangeListener(org.n52.wps.commons.WPSConfig.WPSCONFIG_PROPERTY_EVENT_NAME,
new PropertyChangeListener() {
public void propertyChange(final PropertyChangeEvent propertyChangeEvent) {
LOGGER.info(this.getClass().getName()
+ ": Received Property Change Event: "
+ propertyChangeEvent.getPropertyName());
try {
CapabilitiesConfiguration.reloadSkeleton();
}
catch (IOException e) {
LOGGER.error("error while initializing capabilitiesConfiguration",
e);
}
catch (XmlException e) {
LOGGER.error("error while initializing capabilitiesConfiguration",
e);
}
}
});
}
protected void setServerParameters(){
//String endpoint = CapabilitiesConfiguration.ENDPOINT_URL;
String webapp = context.application().getContextPath().replace("//", "");
WPSConfig.getInstance().getWPSConfig().getServer().setWebappPath(webapp);
String host = WPSConfig.getInstance().getWPSConfig().getServer().getHostname();
String port = WPSConfig.getInstance().getWPSConfig().getServer().getHostport();
if (host==null || host.toLowerCase().equals("localhost")){
LOGGER.info("resolving hostname and port from container.xml");
host = context.container().configuration().hostname();
port = Integer.toString(context.container().configuration().port());
WPSConfig.getInstance().getWPSConfig().getServer().setHostname(host);
WPSConfig.getInstance().getWPSConfig().getServer().setHostport(port);
}
LOGGER.debug("Setting server parameters: Host: {}, Port: {} , Webapp: {} ", host, port,webapp);
//TODO: CHANGE the porotocol to enable https via conainer configuration
String webPath = "http://" + host + ":" + port + "/" + webapp + "/WebProcessingService";
if (CapabilitiesConfiguration.ENDPOINT_URL.contains("localhost"))
CapabilitiesConfiguration.ENDPOINT_URL=webPath;
}
protected void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
try {
setServerParameters();
OutputStream out = res.getOutputStream(); // closed by res.flushBuffer();
@SuppressWarnings("unchecked")
RequestHandler handler = new RequestHandler((Map<String, String[]>) req.getParameterMap(), out);
String mimeType = handler.getResponseMimeType();
res.setContentType(mimeType);
handler.handle();
res.setStatus(HttpServletResponse.SC_OK);
}
catch (ExceptionReport e) {
handleException(e, res);
}
catch (RuntimeException e) {
ExceptionReport er = new ExceptionReport("Error handing request: " + e.getMessage(),
ExceptionReport.NO_APPLICABLE_CODE,
e);
handleException(er, res);
}
finally {
if (res != null) {
res.flushBuffer();
}
// out.flush();
// out.close();
}
}
public final static int MAXIMUM_REQUEST_SIZE = 128 << 20;
public final static String SPECIAL_XML_POST_VARIABLE = "request";
private static final String XML_CONTENT_TYPE = "text/xml";
protected void doPost(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
setServerParameters();
BufferedReader reader = null;
LOGGER.debug("Incoming Post Request");
try {
String contentType = req.getContentType();
String characterEncoding = req.getCharacterEncoding();
if (characterEncoding == null || characterEncoding.length() == 0) {
characterEncoding = "UTF-8"; // default character encoding if unspecified
}
LOGGER.debug("Set Encoding to {}",characterEncoding);
int contentLength = req.getContentLength();
if (contentLength > MAXIMUM_REQUEST_SIZE) {
LOGGER.warn("POST request rejected, request size of " + contentLength + " too large.");
ExceptionReport er = new ExceptionReport("Request body too large, limited to " + MAXIMUM_REQUEST_SIZE
+ " bytes", ExceptionReport.NO_APPLICABLE_CODE);
handleException(er, res);
}
LOGGER.debug("Received POST: Content-Type = {}, Character-Encoding = {} , Content-Length = {} " , contentType, characterEncoding, contentLength);
int requestSize = 0;
StringWriter writer = contentLength > 0 ? new StringWriter(contentLength) : new StringWriter();
reader = req.getReader();
char[] buffer = new char[8192];
int read;
while ( (read = reader.read(buffer)) != -1 && requestSize < MAXIMUM_REQUEST_SIZE) {
writer.write(buffer, 0, read);
requestSize += read;
}
LOGGER.debug("POST request contained {} characters", requestSize);
// Protect against denial of service attacks.
if (requestSize >= MAXIMUM_REQUEST_SIZE && reader.read() > -1) {
LOGGER.warn("POST request rejected, request size of {} too large.",requestSize);
ExceptionReport er = new ExceptionReport("Request body too large, limited to " + MAXIMUM_REQUEST_SIZE
+ " bytes", ExceptionReport.NO_APPLICABLE_CODE);
handleException(er, res);
}
String documentString = writer.toString();
// Perform URL decoding, if necessary
// if ("application/x-www-form-urlencoded".equals(contentType)) {
if ( (contentType).startsWith("application/x-www-form-urlencoded")) {
if (documentString.startsWith(SPECIAL_XML_POST_VARIABLE + "=")) {
// This is a hack to permit xml to be easily submitted via a form POST.
// By convention, we are allowing users to post xml if they name it
// with a POST parameter "request" although this is not
// valid per the specification.
documentString = documentString.substring(SPECIAL_XML_POST_VARIABLE.length() + 1);
LOGGER.debug("POST request form variable removed");
}
documentString = URLDecoder.decode(documentString, characterEncoding);
LOGGER.debug("Decoded of POST:\n" + documentString + "\n");
}
else
LOGGER.info("This is a standard xml document");
RequestHandler handler = new RequestHandler(new ByteArrayInputStream(documentString.getBytes("UTF-8")),
res.getOutputStream());
LOGGER.debug("POST Request Handler created");
String mimeType = handler.getResponseMimeType();
LOGGER.debug("Request mimeType: "+mimeType);
res.setContentType(mimeType);
LOGGER.debug("Handling document");
handler.handle();
LOGGER.debug("STATUS OK!");
res.setStatus(HttpServletResponse.SC_OK);
}
catch (ExceptionReport e) {
handleException(e, res);
}
catch (Exception e) {
ExceptionReport er = new ExceptionReport("Error handing request: " + e.getMessage(), ExceptionReport.NO_APPLICABLE_CODE, e);
handleException(er, res);
}
finally {
if (res != null) {
res.flushBuffer();
}
if (reader != null) {
reader.close();
}
LOGGER.trace("Flushing request");
}
}
@Override
protected void service(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
if (SERVLET_PATH == null) {
req.getContextPath();
}
super.service(req, res);
}
private static void handleException(ExceptionReport exception, HttpServletResponse res) {
res.setContentType(XML_CONTENT_TYPE);
try {
LOGGER.debug(exception.toString());
// DO NOT MIX getWriter and getOuputStream!
exception.getExceptionDocument().save(res.getOutputStream(),
XMLBeansHelper.getXmlOptions());
res.setStatus(exception.getHTTPStatusCode());
}
catch (IOException e) {
LOGGER.warn("exception occured while writing ExceptionReport to stream");
try {
res.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
"error occured, while writing OWS Exception output");
}
catch (IOException ex) {
LOGGER.error("error while writing error code to client!");
res.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
}
}
}
@Override
public void destroy() {
super.destroy();
DatabaseFactory.getDatabase().shutdown();
}
}

113
src/main/java/org/n52/wps/demo/ConvexHullDemo.java
View File

@ -1,113 +0,0 @@
package org.n52.wps.demo;
import org.n52.wps.server.AbstractSelfDescribingAlgorithm;
public class ConvexHullDemo {
/*
import org.geotools.data.simple.SimpleFeatureCollection;
import org.geotools.feature.DefaultFeatureCollections;
import org.geotools.feature.FeatureCollection;
import org.geotools.feature.FeatureIterator;
import org.n52.wps.io.GTHelper;
import org.n52.wps.io.data.IData;
import org.n52.wps.io.data.binding.complex.GTVectorDataBinding;
import org.n52.wps.server.AbstractSelfDescribingAlgorithm;
import org.n52.wps.server.ExceptionReport;
import org.opengis.feature.Feature;
import org.opengis.feature.simple.SimpleFeature;
import org.opengis.feature.simple.SimpleFeatureType;
import com.vividsolutions.jts.geom.Coordinate;
import com.vividsolutions.jts.geom.Geometry;
import com.vividsolutions.jts.geom.GeometryFactory;
//org.n52.wps.demo.ConvexHullDemo
@Override
public Class<?> getInputDataType(String identifier) {
if (identifier.equalsIgnoreCase("FEATURES")) {
return GTVectorDataBinding.class;
}
return null;
}
@Override
public Class<?> getOutputDataType(String identifier) {
if (identifier.equalsIgnoreCase("polygons")) {
return GTVectorDataBinding.class;
}
return null;
}
@Override
public Map<String, IData> run(Map<String, List<IData>> inputData)
throws ExceptionReport {
if (inputData == null || !inputData.containsKey("FEATURES")) {
throw new RuntimeException(
"Error while allocating input parameters");
}
List<IData> dataList = inputData.get("FEATURES");
if (dataList == null || dataList.size() != 1) {
throw new RuntimeException(
"Error while allocating input parameters");
}
IData firstInputData = dataList.get(0);
FeatureCollection featureCollection = ((GTVectorDataBinding) firstInputData).getPayload();
FeatureIterator iter = featureCollection.features();
List<Coordinate> coordinateList = new ArrayList<Coordinate>();
int counter = 0;
while (iter.hasNext()) {
SimpleFeature feature = (SimpleFeature) iter.next();
if (feature.getDefaultGeometry() == null) {
throw new NullPointerException("defaultGeometry is null in feature id: "+ feature.getID());
}
Geometry geom = (Geometry) feature.getDefaultGeometry();
Coordinate[] coordinateArray = geom.getCoordinates();
for(Coordinate coordinate : coordinateArray){
coordinateList.add(coordinate);
}
}
iter.close();
Coordinate[] coordinateArray = new Coordinate[coordinateList.size()];
for(int i = 0; i<coordinateList.size(); i++){
coordinateArray[i] = coordinateList.get(i);
}
com.vividsolutions.jts.algorithm.ConvexHull convexHull = new com.vividsolutions.jts.algorithm.ConvexHull(coordinateArray, new GeometryFactory());
Geometry geometry = convexHull.getConvexHull();
String uuid = UUID.randomUUID().toString();
SimpleFeatureType featureType = GTHelper.createFeatureType(geometry, uuid, featureCollection.getSchema().getCoordinateReferenceSystem());
GTHelper.createGML3SchemaForFeatureType(featureType);
Feature feature = GTHelper.createFeature("0", geometry, featureType);
SimpleFeatureCollection fOut = DefaultFeatureCollections.newCollection();
fOut.add((SimpleFeature) feature);
HashMap<String, IData> result = new HashMap<String, IData>();
result.put("polygons", new GTVectorDataBinding(fOut));
return result;
}
@Override
public List<String> getInputIdentifiers() {
List<String> list = new ArrayList();
list.add("FEATURES");
return list;
}
@Override
public List<String> getOutputIdentifiers() {
List<String> list = new ArrayList();
list.add("polygons");
return list;
}
*/
}

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src/main/java/org/n52/wps/demo/CopyOfGPDemoFile.java
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package org.n52.wps.demo;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import net.opengis.ows.x11.impl.MimeTypeImpl;
import org.apache.commons.io.IOUtils;
import org.n52.wps.io.data.GenericFileData;
import org.n52.wps.io.data.GenericFileDataConstants;
import org.n52.wps.io.data.IData;
import org.n52.wps.io.data.binding.complex.FileDataBinding;
import org.n52.wps.io.data.binding.complex.GenericFileDataBinding;
import org.n52.wps.server.AbstractSelfDescribingAlgorithm;
import org.n52.wps.server.ExceptionReport;
//org.n52.wps.demo.GPDemoFile
public class CopyOfGPDemoFile extends AbstractSelfDescribingAlgorithm {
@Override
public Class<?> getInputDataType(String identifier) {
if (identifier.equalsIgnoreCase("CHECK")) {
return org.n52.wps.io.data.binding.literal.LiteralStringBinding.class;
}
if (identifier.equalsIgnoreCase("FFF")) {
return GenericFileDataBinding.class;
}
return null;
}
@Override
public Class<?> getOutputDataType(String identifier) {
if (identifier.equalsIgnoreCase("polygons")) {
return org.n52.wps.io.data.binding.literal.LiteralStringBinding.class;
}
if (identifier.equalsIgnoreCase("file")) {
return GenericFileDataBinding.class;
}
return null;
}
@Override
public Map<String, IData> run(Map<String, List<IData>> inputData)
throws ExceptionReport {
if (inputData == null || !inputData.containsKey("CHECK")) {
throw new RuntimeException(
"Error while allocating input parameters");
}
List<IData> dataList = inputData.get("CHECK");
if (dataList == null || dataList.size() != 1) {
throw new RuntimeException(
"Error while allocating input parameters");
}
IData data = inputData.get("FFF").get(0);
if(data instanceof FileDataBinding){
System.out.println("We got a standard File! ");
FileDataBinding fileDataBinding = (FileDataBinding)data;
File file = fileDataBinding.getPayload();
System.out.println("Here ! "+file.getAbsolutePath());
}
GenericFileDataBinding fileDataBinding = null;
if(data instanceof GenericFileDataBinding){
fileDataBinding = (GenericFileDataBinding)data;
File file = fileDataBinding.getPayload().getBaseFile(false);
InputStream is = fileDataBinding.getPayload().getDataStream();
System.out.println("We got a Generic File! "+file.getAbsolutePath());
StringWriter writer = new StringWriter();
try {
IOUtils.copy(is, writer, "UTF-8");
} catch (IOException e) {
e.printStackTrace();
}
String theString = writer.toString();
System.out.println("Content! "+theString);
}
GenericFileDataBinding binder=null;
try {
// binder = new GenericFileDataBinding(new GenericFileData(new File("c:\\Users\\GP\\Desktop\\CoelacanthVelin.jpg"), GenericFileDataConstants.MIME_TYPE_IMAGE_JPEG));
File of = new File("C:\\Users\\GP\\Desktop\\WorkFolder\\WPS\\WPS.txt");
System.out.println("File Exists: "+of.exists());
/*
if (fileDataBinding!=null)
binder= fileDataBinding;
else
*/
{
binder = new GenericFileDataBinding(new GenericFileData(of, GenericFileDataConstants.MIME_TYPE_PLAIN_TEXT));
System.out.println("File mime: "+binder.getPayload().getMimeType());
System.out.println("File extension: "+binder.getPayload().getFileExtension());
}
} catch (IOException e) {
e.printStackTrace();
}
// FileDataBinding binder = new FileDataBinding(new File("c:\\Users\\GP\\Desktop\\CoelacanthVelin.jpg"));
HashMap<String, IData> result = new HashMap<String, IData>();
result.put("polygons", new org.n52.wps.io.data.binding.literal.LiteralStringBinding("hello world"));
result.put("file", binder);
return result;
}
@Override
public List<String> getInputIdentifiers() {
List<String> list = new ArrayList<String>();
list.add("CHECK");
list.add("FFF");
return list;
}
@Override
public List<String> getOutputIdentifiers() {
List<String> list = new ArrayList<String>();
list.add("polygons");list.add("file");
return list;
}
}

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src/main/java/org/n52/wps/demo/DummyTestClass.java
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/*
*
* Copyright (C) 2007 - 2014 52°North Initiative for Geospatial Open Source
* Software GmbH
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
* If the program is linked with libraries which are licensed under one of
* the following licenses, the combination of the program with the linked
* library is not considered a "derivative work" of the program:
*
* • Apache License, version 2.0
* • Apache Software License, version 1.0
* • GNU Lesser General Public License, version 3
* • Mozilla Public License, versions 1.0, 1.1 and 2.0
* • Common Development and Distribution License (CDDL), version 1.0
*
* Therefore the distribution of the program linked with libraries licensed
* under the aforementioned licenses, is permitted by the copyright holders
* if the distribution is compliant with both the GNU General Public
* License version 2 and the aforementioned licenses.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*/
package org.n52.wps.demo;
import java.io.File;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.n52.wps.io.data.IData;
import org.n52.wps.io.data.binding.bbox.BoundingBoxData;
import org.n52.wps.io.data.binding.complex.FileDataBinding;
import org.n52.wps.io.data.binding.complex.GenericFileDataBinding;
import org.n52.wps.io.data.binding.literal.LiteralStringBinding;
import org.n52.wps.server.AbstractSelfDescribingAlgorithm;
public class DummyTestClass extends AbstractSelfDescribingAlgorithm {
private final String inputID1 = "ComplexInputData";
private final String inputID2 = "LiteralInputData";
private final String inputID3 = "BBOXInputData";
private final String outputID1 = "ComplexOutputData";
private final String outputID2 = "LiteralOutputData";
private final String outputID3 = "BBOXOutputData";
private List<String> errors = new ArrayList<String>();
public List<String> getErrors() {
return errors;
}
public Class<?> getInputDataType(String id) {
if (id.equalsIgnoreCase(inputID1)) {
return GenericFileDataBinding.class;
}
if (id.equalsIgnoreCase(inputID2)) {
return LiteralStringBinding.class;
}
if (id.equalsIgnoreCase(inputID3)) {
return BoundingBoxData.class;
}
return null;
}
@Override
public BigInteger getMinOccurs(String identifier){
return new BigInteger("0");
}
public Class<?> getOutputDataType(String id) {
if (id.equalsIgnoreCase(outputID1)) {
return GenericFileDataBinding.class;
}
if (id.equalsIgnoreCase(outputID2)) {
return LiteralStringBinding.class;
}
if (id.equalsIgnoreCase(outputID3)) {
return BoundingBoxData.class;
}
return null;
}
@Override
public List<String> getInputIdentifiers() {
List<String> identifierList = new ArrayList<String>();
identifierList.add(inputID1);
identifierList.add(inputID2);
identifierList.add(inputID3);
return identifierList;
}
@Override
public List<String> getOutputIdentifiers() {
List<String> identifierList = new ArrayList<String>();
identifierList.add(outputID1);
identifierList.add(outputID2);
identifierList.add(outputID3);
return identifierList;
}
@Override
public Map<String, IData> run(Map<String, List<IData>> inputData) {
HashMap<String,IData> result = new HashMap<String,IData>();
if(inputData.containsKey(inputID1)){
IData data = inputData.get(inputID1).get(0);
if(data instanceof FileDataBinding){
FileDataBinding fileDataBinding = (FileDataBinding)data;
File file = fileDataBinding.getPayload();
result.put(outputID1, new FileDataBinding(file));
}else{
result.put(outputID1, data);
}
}
if(inputData.containsKey(inputID2)){
result.put(outputID2, inputData.get(inputID2).get(0));
}
if(inputData.containsKey(inputID3)){
result.put(outputID3, inputData.get(inputID3).get(0));
}
return result;
}
@Override
public String[] getSupportedCRSForBBOXInput(String identifier){
String[] supportedCRS = new String[2];
supportedCRS[0] = "EPSG:4328";
supportedCRS[1] = "EPSG:5628";
return supportedCRS;
}
@Override
public String[] getSupportedCRSForBBOXOutput(String identifier){
String[] supportedCRS = new String[2];
supportedCRS[0] = "EPSG:4328";
supportedCRS[1] = "EPSG:5628";
return supportedCRS;
}
}

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src/main/java/org/n52/wps/demo/GPDemoFile.java
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package org.n52.wps.demo;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.StringWriter;
import org.apache.commons.io.IOUtils;
import org.gcube.dataanalysis.wps.statisticalmanager.synchserver.bindings.CsvFileDataBinding;
import org.gcube.dataanalysis.wps.statisticalmanager.synchserver.bindings.D4ScienceFileDataBinding;
import org.gcube.dataanalysis.wps.statisticalmanager.synchserver.bindings.GisLinkDataBinding;
import org.n52.wps.algorithm.annotation.*;
import org.n52.wps.io.data.*;
import org.n52.wps.io.data.binding.complex.*;
import org.n52.wps.io.data.binding.literal.*;
import org.n52.wps.server.*;
//org.n52.wps.demo.GPDemoFile
@Algorithm(statusSupported=false, title="title of the A.", abstrakt="hello worlds", identifier="org.n52.wps.demo.GPDemoFile", version = "1.1.0")
public class GPDemoFile extends AbstractAnnotatedAlgorithm {
private String data;
private GenericFileData file;
private GenericFileData gis;
private GenericFileData outfile;
private String lout;
private GenericFileData link;
@LiteralDataInput(allowedValues= {"c","a"},defaultValue="1", identifier = "CHECK", binding = LiteralStringBinding.class)
public void setLData(String data) {
this.data = data;
}
@ComplexDataInput(abstrakt="", title="", maxOccurs=1, minOccurs=1, identifier = "FFF", binding = D4ScienceFileDataBinding.class)
public void setCDataType(GenericFileData file) {
this.file=file;
}
@ComplexDataInput(identifier = "GIS", binding = GisLinkDataBinding.class)
public void setGisDataType(GenericFileData file) {
this.gis=file;
}
@ComplexDataOutput(identifier = "file", binding = D4ScienceFileDataBinding.class)
public GenericFileData getFile() {
return outfile;
}
@LiteralDataOutput(identifier = "lout", binding = LiteralStringBinding.class)
public String getLiteral() {
return lout;
}
@ComplexDataOutput(identifier = "link", binding = GisLinkDataBinding.class)
public GenericFileData getGisLink() {
return link;
}
@Execute
public void run() {
if(file!=null){
File f = file.getBaseFile(false);
InputStream is = file.getDataStream();
System.out.println("We got a Generic File! "+f.getAbsolutePath());
StringWriter writer = new StringWriter();
try {
IOUtils.copy(is, writer, "UTF-8");
} catch (IOException e) {
e.printStackTrace();
}
String theString = writer.toString();
System.out.println("Content: "+theString);
lout = "OK";
}
if(gis!=null){
File f = gis.getBaseFile(false);
InputStream is = file.getDataStream();
System.out.println("We got a GIS Link! "+f.getAbsolutePath());
StringWriter writer = new StringWriter();
try {
IOUtils.copy(is, writer, "UTF-8");
} catch (IOException e) {
e.printStackTrace();
}
String theString = writer.toString();
System.out.println("Gis Content: "+theString);
}
// PngFileDataBinding binder=null;
try {
// binder = new GenericFileDataBinding(new GenericFileData(new File("c:\\Users\\GP\\Desktop\\CoelacanthVelin.jpg"), GenericFileDataConstants.MIME_TYPE_IMAGE_JPEG));
File of = new File("C:\\Users\\GP\\Desktop\\WorkFolder\\WPS\\WPS.txt");
System.out.println("File Exists: "+of.exists());
/*
if (fileDataBinding!=null)
binder= fileDataBinding;
else
*/
{
// binder = new PngFileDataBinding(new GenericFileData(of, "image/png"));
// System.out.println("File mime: "+binder.getPayload().getMimeType());
// System.out.println("File extension: "+binder.getPayload().getFileExtension());
outfile=new GenericFileData(of, "image/png");
System.out.println("Generating GIS Link binding");
//outfile=new GenericFileData(of, GenericFileDataConstants.MIME_TYPE_PLAIN_TEXT);
link=new GenericFileData(of, "text/wfs");
}
} catch (IOException e) {
e.printStackTrace();
}
}
}

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src/main/java/org/n52/wps/demo/GPDemoSimple.java
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package org.n52.wps.demo;
import java.io.File;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.n52.wps.io.data.IData;
import org.n52.wps.io.data.binding.bbox.BoundingBoxData;
import org.n52.wps.io.data.binding.complex.FileDataBinding;
import org.n52.wps.server.AbstractSelfDescribingAlgorithm;
import org.n52.wps.server.ExceptionReport;
//org.n52.wps.demo.GPDemo
public class GPDemoSimple extends AbstractSelfDescribingAlgorithm {
@Override
public Class<?> getInputDataType(String identifier) {
if (identifier.equalsIgnoreCase("CHECK")) {
return org.n52.wps.io.data.binding.literal.LiteralStringBinding.class;
}
return null;
}
@Override
public Class<?> getOutputDataType(String identifier) {
if (identifier.equalsIgnoreCase("polygons")) {
return org.n52.wps.io.data.binding.literal.LiteralStringBinding.class;
}
return null;
}
@Override
public Map<String, IData> run(Map<String, List<IData>> inputData)
throws ExceptionReport {
if (inputData == null || !inputData.containsKey("CHECK")) {
throw new RuntimeException(
"Error while allocating input parameters");
}
List<IData> dataList = inputData.get("CHECK");
if (dataList == null || dataList.size() != 1) {
throw new RuntimeException(
"Error while allocating input parameters");
}
// FileDataBinding binder = new FileDataBinding(new File("‪C:\\Users\\GP\\Desktop\\CoelacanthVelin.jpg"));
HashMap<String, IData> result = new HashMap<String, IData>();
result.put("polygons", new org.n52.wps.io.data.binding.literal.LiteralStringBinding("hello world"));
return result;
}
@Override
public List<String> getInputIdentifiers() {
List<String> list = new ArrayList<String>();
list.add("CHECK");
return list;
}
@Override
public List<String> getOutputIdentifiers() {
List<String> list = new ArrayList<String>();
list.add("polygons");
return list;
}
}

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src/main/java/org/n52/wps/demo/GPDemoXML.java
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package org.n52.wps.demo;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.StringWriter;
import java.util.UUID;
import org.apache.commons.io.IOUtils;
import org.apache.xmlbeans.XmlObject;
import org.n52.wps.algorithm.annotation.Algorithm;
import org.n52.wps.algorithm.annotation.ComplexDataInput;
import org.n52.wps.algorithm.annotation.ComplexDataOutput;
import org.n52.wps.algorithm.annotation.Execute;
import org.n52.wps.algorithm.annotation.LiteralDataInput;
import org.n52.wps.algorithm.annotation.LiteralDataOutput;
import org.n52.wps.io.data.GenericFileData;
import org.n52.wps.io.data.binding.complex.GenericFileDataBinding;
import org.n52.wps.io.data.binding.complex.GenericXMLDataBinding;
import org.n52.wps.io.data.binding.literal.LiteralStringBinding;
import org.n52.wps.server.AbstractAnnotatedAlgorithm;
//org.n52.wps.demo.GPDemoFile
@Algorithm(statusSupported=false, title="title of the A.", abstrakt="hello worlds", identifier="org.n52.wps.demo.GPDemoFile", version = "1.1.0")
public class GPDemoXML extends AbstractAnnotatedAlgorithm {
private String data;
private GenericFileData file;
private XmlObject outfile;
private String lout;
@LiteralDataInput(identifier = "CHECK", binding = LiteralStringBinding.class)
public void setLData(String data) {
this.data = data;
}
@ComplexDataInput(identifier = "FFF", binding = GenericFileDataBinding.class)
public void setCDataType(GenericFileData file) {
this.file=file;
}
@ComplexDataOutput(identifier = "file", binding = GenericXMLDataBinding.class)
public XmlObject getFile() {
return outfile;
}
@LiteralDataOutput(identifier = "lout", binding = LiteralStringBinding.class)
public String getLiteral() {
return lout;
}
@Execute
public void run() {
if(file!=null){
File f = file.getBaseFile(false);
InputStream is = file.getDataStream();
System.out.println("We got a Generic File! "+f.getAbsolutePath());
StringWriter writer = new StringWriter();
try {
IOUtils.copy(is, writer, "UTF-8");
} catch (IOException e) {
e.printStackTrace();
}
String theString = writer.toString();
System.out.println("Content: "+theString);
lout = "OK";
}
// PngFileDataBinding binder=null;
// binder = new GenericFileDataBinding(new GenericFileData(new File("c:\\Users\\GP\\Desktop\\CoelacanthVelin.jpg"), GenericFileDataConstants.MIME_TYPE_IMAGE_JPEG));
File of = new File("C:\\Users\\GP\\Desktop\\WorkFolder\\WPS\\WPS.txt");
System.out.println("File Exists: "+of.exists());
/*
if (fileDataBinding!=null)
binder= fileDataBinding;
else
*/
{
// binder = new PngFileDataBinding(new GenericFileData(of, "image/png"));
// System.out.println("File mime: "+binder.getPayload().getMimeType());
// System.out.println("File extension: "+binder.getPayload().getFileExtension());
// outfile=new GenericFileData(of, "image/png");
//String inputXMLString = "<testElement>testStringValue</testElement>";
String out1Name= "generatedimage";
String out1Payload= "generated image";
String collectionname = "This is a test image"+" (code:"+UUID.randomUUID()+")";
String inputXMLString = "<gml:featureMember xmlns:gml=\"http://www.opengis.net/gml\" xmlns:d4science=\"http://www.d4science.org\">\n" +
" <d4science:outputcollection fid=\""+collectionname+"\">\n" +
" <d4science:"+out1Name+">"+out1Payload+"</d4science:"+out1Name+">\n"+
" </d4science:outputcollection>\n" +
"</gml:featureMember>\n";
System.out.println("XML Produced : \n"+inputXMLString);
XmlObject xmlData = XmlObject.Factory.newInstance();
ByteArrayInputStream xstream = new ByteArrayInputStream(inputXMLString.getBytes());
try {
xmlData = XmlObject.Factory.parse(xstream);
} catch (Exception e) {
e.printStackTrace();
System.out.println("Error in parsing xml: "+e.getLocalizedMessage());
}
outfile = xmlData;
//outfile=new GenericFileData(of, GenericFileDataConstants.MIME_TYPE_PLAIN_TEXT);
}
}
}

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src/main/java/org/n52/wps/demo/TestIO.java
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package org.n52.wps.demo;
import java.io.BufferedInputStream;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.io.StringWriter;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.UUID;
import org.apache.commons.io.IOUtils;
import org.apache.xmlbeans.XmlObject;
import org.gcube.contentmanagement.lexicalmatcher.utils.FileTools;
import org.gcube.dataanalysis.wps.statisticalmanager.synchserver.bindings.CsvFileDataBinding;
import org.n52.wps.algorithm.annotation.Algorithm;
import org.n52.wps.algorithm.annotation.ComplexDataInput;
import org.n52.wps.algorithm.annotation.ComplexDataOutput;
import org.n52.wps.algorithm.annotation.Execute;
import org.n52.wps.algorithm.annotation.LiteralDataInput;
import org.n52.wps.algorithm.annotation.LiteralDataOutput;
import org.n52.wps.io.data.GenericFileData;
import org.n52.wps.io.data.binding.complex.GenericFileDataBinding;
import org.n52.wps.io.data.binding.complex.GenericXMLDataBinding;
import org.n52.wps.io.data.binding.literal.LiteralStringBinding;
import org.n52.wps.server.AbstractAnnotatedAlgorithm;
//org.n52.wps.demo.GPDemoFile
@Algorithm(statusSupported=false, title="title of the A.", abstrakt="hello worlds", identifier="org.n52.wps.demo.GPDemoFile", version = "1.1.0")
public class TestIO extends AbstractAnnotatedAlgorithm {
private String data;
private GenericFileData file;
private XmlObject outfile;
private GenericFileData outfile2;
private String lout;
@LiteralDataInput(identifier = "CHECK", binding = LiteralStringBinding.class)
public void setLData(String data) {
this.data = data;
}
@ComplexDataInput(identifier = "FFF", binding = GenericFileDataBinding.class)
public void setCDataType(GenericFileData file) {
this.file=file;
}
@ComplexDataOutput(identifier = "file", binding = GenericXMLDataBinding.class)
public XmlObject getFile() {
return outfile;
}
@LiteralDataOutput(identifier = "lout", binding = LiteralStringBinding.class)
public String getLiteral() {
return lout;
}
@Execute
public void run() {
if(file!=null){
File f = file.getBaseFile(false);
System.out.println("We got a Generic File! "+f.getAbsolutePath());
try{
String fileLink = FileTools.loadString(f.getAbsolutePath(), "UTF-8");
URL url = new URL(fileLink);
HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
InputStream is = new BufferedInputStream(urlConnection.getInputStream());
// InputStream is = new FileInputStream(new File(fileLink));
StringWriter writer = new StringWriter();
IOUtils.copy(is, writer, "UTF-8");
String theString = writer.toString();
System.out.println("Input Content: "+theString);
is.close();
urlConnection.disconnect();
}catch(Exception e){
e.printStackTrace();
}
lout = "OK";
}
// PngFileDataBinding binder=null;
// binder = new GenericFileDataBinding(new GenericFileData(new File("c:\\Users\\GP\\Desktop\\CoelacanthVelin.jpg"), GenericFileDataConstants.MIME_TYPE_IMAGE_JPEG));
File of = new File("C:\\Users\\GP\\Desktop\\WorkFolder\\WPS\\WPS.txt");
System.out.println("File Exists: "+of.exists());
/*
if (fileDataBinding!=null)
binder= fileDataBinding;
else
*/
{
// binder = new PngFileDataBinding(new GenericFileData(of, "image/png"));
// System.out.println("File mime: "+binder.getPayload().getMimeType());
// System.out.println("File extension: "+binder.getPayload().getFileExtension());
// outfile=new GenericFileData(of, "image/png");
//String inputXMLString = "<testElement>testStringValue</testElement>";
String out1Name= "generatedimage";
String out1Payload= "generated image";
String collectionname = "This is a test image"+" (code:"+UUID.randomUUID()+")";
String inputXMLString = "<gml:featureMember xmlns:gml=\"http://www.opengis.net/gml\" xmlns:d4science=\"http://www.d4science.org\">\n" +
" <d4science:outputcollection fid=\""+collectionname+"\">\n" +
" <d4science:"+out1Name+">"+out1Payload+"</d4science:"+out1Name+">\n"+
" </d4science:outputcollection>\n" +
"</gml:featureMember>\n";
System.out.println("XML Produced : \n"+inputXMLString);
XmlObject xmlData = XmlObject.Factory.newInstance();
ByteArrayInputStream xstream = new ByteArrayInputStream(inputXMLString.getBytes());
try {
xmlData = XmlObject.Factory.parse(xstream);
} catch (Exception e) {
e.printStackTrace();
System.out.println("Error in parsing xml: "+e.getLocalizedMessage());
}
outfile = xmlData;
//outfile=new GenericFileData(of, GenericFileDataConstants.MIME_TYPE_PLAIN_TEXT);
}
}
}