421 lines
14 KiB
Java
421 lines
14 KiB
Java
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/**
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* Copyright (C) 2007 - 2016 52°North Initiative for Geospatial Open Source
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* Software GmbH
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.n52.wps.server;
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import java.lang.reflect.Constructor;
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import java.math.BigInteger;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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import net.opengis.ows.x11.DomainMetadataType;
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import net.opengis.wps.x100.CRSsType;
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import net.opengis.wps.x100.ComplexDataCombinationType;
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import net.opengis.wps.x100.ComplexDataCombinationsType;
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import net.opengis.wps.x100.ComplexDataDescriptionType;
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import net.opengis.wps.x100.InputDescriptionType;
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import net.opengis.wps.x100.LiteralInputType;
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import net.opengis.wps.x100.LiteralOutputType;
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import net.opengis.wps.x100.OutputDescriptionType;
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import net.opengis.wps.x100.ProcessDescriptionType;
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import net.opengis.wps.x100.ProcessDescriptionType.DataInputs;
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import net.opengis.wps.x100.ProcessDescriptionType.ProcessOutputs;
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import net.opengis.wps.x100.ProcessDescriptionsDocument;
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import net.opengis.wps.x100.ProcessDescriptionsDocument.ProcessDescriptions;
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import net.opengis.wps.x100.SupportedCRSsType;
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import net.opengis.wps.x100.SupportedCRSsType.Default;
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import net.opengis.wps.x100.SupportedComplexDataInputType;
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import net.opengis.wps.x100.SupportedComplexDataType;
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import org.n52.wps.FormatDocument.Format;
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import org.n52.wps.io.GeneratorFactory;
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import org.n52.wps.io.IGenerator;
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import org.n52.wps.io.IParser;
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import org.n52.wps.io.ParserFactory;
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import org.n52.wps.io.data.IBBOXData;
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import org.n52.wps.io.data.IComplexData;
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import org.n52.wps.io.data.ILiteralData;
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import org.n52.wps.server.observerpattern.IObserver;
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import org.n52.wps.server.observerpattern.ISubject;
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public abstract class AbstractSelfDescribingAlgorithm extends AbstractAlgorithm implements ISubject{
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@Override
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protected ProcessDescriptionType initializeDescription() {
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ProcessDescriptionsDocument document = ProcessDescriptionsDocument.Factory.newInstance();
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ProcessDescriptions processDescriptions = document.addNewProcessDescriptions();
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ProcessDescriptionType processDescription = processDescriptions.addNewProcessDescription();
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processDescription.setStatusSupported(true);
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processDescription.setStoreSupported(true);
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processDescription.setProcessVersion("1.0.0");
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//1. Identifier
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processDescription.addNewIdentifier().setStringValue(this.getClass().getName());
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processDescription.addNewTitle().setStringValue(this.getClass().getCanonicalName());
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//2. Inputs
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List<String> identifiers = this.getInputIdentifiers();
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DataInputs dataInputs = null;
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if(identifiers.size()>0){
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dataInputs = processDescription.addNewDataInputs();
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}
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for(String identifier : identifiers){
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InputDescriptionType dataInput = dataInputs.addNewInput();
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dataInput.setMinOccurs(getMinOccurs(identifier));
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dataInput.setMaxOccurs(getMaxOccurs(identifier));
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dataInput.addNewIdentifier().setStringValue(identifier);
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dataInput.addNewTitle().setStringValue(identifier);
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Class<?> inputDataTypeClass = this.getInputDataType(identifier);
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Class<?>[] interfaces = inputDataTypeClass.getInterfaces();
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//we have to add this because of the new AbstractLiteralDataBinding class
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if(interfaces.length == 0){
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interfaces = inputDataTypeClass.getSuperclass().getInterfaces();
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}
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for(Class<?> implementedInterface : interfaces){
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if(implementedInterface.equals(ILiteralData.class)){
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LiteralInputType literalData = dataInput.addNewLiteralData();
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String inputClassType = "";
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Constructor<?>[] constructors = inputDataTypeClass.getConstructors();
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for(Constructor<?> constructor : constructors){
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Class<?>[] parameters = constructor.getParameterTypes();
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if(parameters.length==1){
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inputClassType = parameters[0].getSimpleName();
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}
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}
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if(inputClassType.length()>0){
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DomainMetadataType datatype = literalData.addNewDataType();
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datatype.setReference("xs:"+inputClassType.toLowerCase());
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literalData.addNewAnyValue();
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}
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}else if(implementedInterface.equals(IBBOXData.class)){
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SupportedCRSsType bboxData = dataInput.addNewBoundingBoxData();
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String[] supportedCRSAray = getSupportedCRSForBBOXInput(identifier);
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for(int i = 0; i<supportedCRSAray.length; i++){
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if(i==0){
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Default defaultCRS = bboxData.addNewDefault();
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defaultCRS.setCRS(supportedCRSAray[0]);
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if(supportedCRSAray.length==1){
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CRSsType supportedCRS = bboxData.addNewSupported();
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supportedCRS.addCRS(supportedCRSAray[0]);
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}
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}else{
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if(i==1){
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CRSsType supportedCRS = bboxData.addNewSupported();
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supportedCRS.addCRS(supportedCRSAray[1]);
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}else{
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bboxData.getSupported().addCRS(supportedCRSAray[i]);
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}
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}
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}
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}else if(implementedInterface.equals(IComplexData.class)){
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SupportedComplexDataInputType complexData = dataInput.addNewComplexData();
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List<IParser> parsers = ParserFactory.getInstance().getAllParsers();
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List<IParser> foundParsers = new ArrayList<IParser>();
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for(IParser parser : parsers) {
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Class<?>[] supportedClasses = parser.getSupportedDataBindings();
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for(Class<?> clazz : supportedClasses){
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if(clazz.equals(inputDataTypeClass)){
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foundParsers.add(parser);
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}
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}
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}
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addInputFormats(complexData, foundParsers);
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}
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}
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}
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//3. Outputs
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ProcessOutputs dataOutputs = processDescription.addNewProcessOutputs();
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List<String> outputIdentifiers = this.getOutputIdentifiers();
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for(String identifier : outputIdentifiers){
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OutputDescriptionType dataOutput = dataOutputs.addNewOutput();
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dataOutput.addNewIdentifier().setStringValue(identifier);
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dataOutput.addNewTitle().setStringValue(identifier);
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dataOutput.addNewAbstract().setStringValue(identifier);
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Class<?> outputDataTypeClass = this.getOutputDataType(identifier);
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Class<?>[] interfaces = outputDataTypeClass.getInterfaces();
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//we have to add this because of the new AbstractLiteralDataBinding class
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if(interfaces.length == 0){
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interfaces = outputDataTypeClass.getSuperclass().getInterfaces();
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}
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for(Class<?> implementedInterface : interfaces){
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if(implementedInterface.equals(ILiteralData.class)){
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LiteralOutputType literalData = dataOutput.addNewLiteralOutput();
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String outputClassType = "";
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Constructor<?>[] constructors = outputDataTypeClass.getConstructors();
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for(Constructor<?> constructor : constructors){
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Class<?>[] parameters = constructor.getParameterTypes();
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if(parameters.length==1){
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outputClassType = parameters[0].getSimpleName();
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}
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}
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if(outputClassType.length()>0){
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literalData.addNewDataType().setReference("xs:"+outputClassType.toLowerCase());
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}
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}else if(implementedInterface.equals(IBBOXData.class)){
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SupportedCRSsType bboxData = dataOutput.addNewBoundingBoxOutput();
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String[] supportedCRSAray = getSupportedCRSForBBOXOutput(identifier);
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for(int i = 0; i<supportedCRSAray.length; i++){
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if(i==0){
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Default defaultCRS = bboxData.addNewDefault();
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defaultCRS.setCRS(supportedCRSAray[0]);
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if(supportedCRSAray.length==1){
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CRSsType supportedCRS = bboxData.addNewSupported();
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supportedCRS.addCRS(supportedCRSAray[0]);
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}
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}else{
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if(i==1){
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CRSsType supportedCRS = bboxData.addNewSupported();
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supportedCRS.addCRS(supportedCRSAray[1]);
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}else{
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bboxData.getSupported().addCRS(supportedCRSAray[i]);
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}
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}
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}
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}else if(implementedInterface.equals(IComplexData.class)){
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SupportedComplexDataType complexData = dataOutput.addNewComplexOutput();
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List<IGenerator> generators = GeneratorFactory.getInstance().getAllGenerators();
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List<IGenerator> foundGenerators = new ArrayList<IGenerator>();
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for(IGenerator generator : generators) {
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Class<?>[] supportedClasses = generator.getSupportedDataBindings();
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for(Class<?> clazz : supportedClasses){
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if(clazz.equals(outputDataTypeClass)){
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foundGenerators.add(generator);
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}
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}
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}
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addOutputFormats(complexData, foundGenerators);
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}
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}
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}
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return document.getProcessDescriptions().getProcessDescriptionArray(0);
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}
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/**
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* Override this class for BBOX input data to set supported mime types. The first one in the resulting array will be the default one.
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* @param identifier ID of the input BBOXType
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* @return
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*/
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public String[] getSupportedCRSForBBOXInput(String identifier){
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return new String[0];
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}
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/**
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* Override this class for BBOX output data to set supported mime types. The first one in the resulting array will be the default one.
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* @param identifier ID of the input BBOXType
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* @return
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*/
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public String[] getSupportedCRSForBBOXOutput(String identifier){
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return new String[0];
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}
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public BigInteger getMinOccurs(String identifier){
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return new BigInteger("1");
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}
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public BigInteger getMaxOccurs(String identifier){
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return new BigInteger("1");
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}
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public abstract List<String> getInputIdentifiers();
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public abstract List<String> getOutputIdentifiers();
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private List<IObserver> observers = new ArrayList<IObserver>();
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private Object state = null;
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public Object getState() {
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return state;
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}
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public void update(Object state) {
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this.state = state;
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notifyObservers();
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}
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public void addObserver(IObserver o) {
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observers.add(o);
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}
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public void removeObserver(IObserver o) {
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observers.remove(o);
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}
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public void notifyObservers() {
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Iterator<IObserver> i = observers.iterator();
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while (i.hasNext()) {
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IObserver o = (IObserver) i.next();
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o.update(this);
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}
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}
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@Override
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public List<String> getErrors() {
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List<String> errors = new ArrayList<String>();
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return errors;
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}
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private void addInputFormats(SupportedComplexDataInputType complexData,
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List<IParser> foundParsers) {
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ComplexDataCombinationsType supportedInputFormat = complexData
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.addNewSupported();
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for (int i = 0; i < foundParsers.size(); i++) {
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IParser parser = foundParsers.get(i);
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Format[] supportedFullFormats = parser.getSupportedFullFormats();
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if (complexData.getDefault() == null) {
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ComplexDataCombinationType defaultInputFormat = complexData
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.addNewDefault();
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/*
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* default format will be the first config format
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*/
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Format format = supportedFullFormats[0];
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ComplexDataDescriptionType defaultFormat = defaultInputFormat
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.addNewFormat();
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defaultFormat.setMimeType(format.getMimetype());
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String encoding = format.getEncoding();
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if (encoding != null && !encoding.equals("")) {
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defaultFormat.setEncoding(encoding);
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}
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String schema = format.getSchema();
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if (schema != null && !schema.equals("")) {
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defaultFormat.setSchema(schema);
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}
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}
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for (int j = 0; j < supportedFullFormats.length; j++) {
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/*
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* create supportedFormat for each mimetype, encoding, schema
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* composition mimetypes can have several encodings and schemas
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*/
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Format format1 = supportedFullFormats[j];
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/*
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* add one format for this mimetype
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*/
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ComplexDataDescriptionType supportedFormat = supportedInputFormat
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.addNewFormat();
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supportedFormat.setMimeType(format1.getMimetype());
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if (format1.getEncoding() != null) {
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supportedFormat.setEncoding(format1.getEncoding());
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}
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if (format1.getSchema() != null) {
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supportedFormat.setSchema(format1.getSchema());
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|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private void addOutputFormats(SupportedComplexDataType complexData,
|
|||
|
|
List<IGenerator> foundGenerators) {
|
|||
|
|
ComplexDataCombinationsType supportedOutputFormat = complexData
|
|||
|
|
.addNewSupported();
|
|||
|
|
|
|||
|
|
for (int i = 0; i < foundGenerators.size(); i++) {
|
|||
|
|
IGenerator generator = foundGenerators.get(i);
|
|||
|
|
|
|||
|
|
Format[] supportedFullFormats = generator.getSupportedFullFormats();
|
|||
|
|
|
|||
|
|
if (complexData.getDefault() == null) {
|
|||
|
|
ComplexDataCombinationType defaultInputFormat = complexData
|
|||
|
|
.addNewDefault();
|
|||
|
|
/*
|
|||
|
|
* default format will be the first config format
|
|||
|
|
*/
|
|||
|
|
Format format = supportedFullFormats[0];
|
|||
|
|
ComplexDataDescriptionType defaultFormat = defaultInputFormat
|
|||
|
|
.addNewFormat();
|
|||
|
|
defaultFormat.setMimeType(format.getMimetype());
|
|||
|
|
|
|||
|
|
String encoding = format.getEncoding();
|
|||
|
|
|
|||
|
|
if (encoding != null && !encoding.equals("")) {
|
|||
|
|
defaultFormat.setEncoding(encoding);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
String schema = format.getSchema();
|
|||
|
|
|
|||
|
|
if (schema != null && !schema.equals("")) {
|
|||
|
|
defaultFormat.setSchema(schema);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
for (int j = 0; j < supportedFullFormats.length; j++) {
|
|||
|
|
/*
|
|||
|
|
* create supportedFormat for each mimetype, encoding, schema
|
|||
|
|
* composition mimetypes can have several encodings and schemas
|
|||
|
|
*/
|
|||
|
|
Format format1 = supportedFullFormats[j];
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
* add one format for this mimetype
|
|||
|
|
*/
|
|||
|
|
ComplexDataDescriptionType supportedFormat = supportedOutputFormat
|
|||
|
|
.addNewFormat();
|
|||
|
|
supportedFormat.setMimeType(format1.getMimetype());
|
|||
|
|
if (format1.getEncoding() != null) {
|
|||
|
|
supportedFormat.setEncoding(format1.getEncoding());
|
|||
|
|
}
|
|||
|
|
if (format1.getSchema() != null) {
|
|||
|
|
supportedFormat.setSchema(format1.getSchema());
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
}
|