2016-10-07 18:23:23 +02:00
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package org.gcube.data_catalogue.grsf_publish_ws.utils;
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2016-10-08 23:10:25 +02:00
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import java.beans.PropertyDescriptor;
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2016-10-10 18:50:11 +02:00
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import java.io.BufferedReader;
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import java.io.InputStreamReader;
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2016-10-08 23:10:25 +02:00
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import java.lang.reflect.Field;
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import java.util.List;
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import java.util.Map;
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2016-10-10 18:50:11 +02:00
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import javax.servlet.ServletContext;
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2016-10-08 23:10:25 +02:00
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import org.gcube.data_catalogue.grsf_publish_ws.custom_annotations.CustomField;
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import org.gcube.data_catalogue.grsf_publish_ws.custom_annotations.Group;
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import org.gcube.data_catalogue.grsf_publish_ws.custom_annotations.Tag;
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import org.gcube.data_catalogue.grsf_publish_ws.json.input.Common;
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2016-10-10 18:50:11 +02:00
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import org.gcube.data_catalogue.grsf_publish_ws.utils.groups.Status;
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2016-10-08 22:16:31 +02:00
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import org.gcube.datacatalogue.ckanutillibrary.DataCatalogue;
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import org.gcube.datacatalogue.ckanutillibrary.DataCatalogueFactory;
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2016-10-10 18:50:11 +02:00
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import org.gcube.datacatalogue.ckanutillibrary.DataCatalogueImpl;
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2016-10-08 23:10:25 +02:00
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import org.slf4j.LoggerFactory;
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2016-10-08 22:16:31 +02:00
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2016-10-10 18:50:11 +02:00
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import eu.trentorise.opendata.jackan.internal.org.apache.http.HttpResponse;
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import eu.trentorise.opendata.jackan.internal.org.apache.http.client.methods.HttpGet;
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import eu.trentorise.opendata.jackan.internal.org.apache.http.impl.client.CloseableHttpClient;
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import eu.trentorise.opendata.jackan.internal.org.apache.http.impl.client.HttpClientBuilder;
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2016-10-07 18:23:23 +02:00
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/**
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* Helper methods
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* @author Costantino Perciante at ISTI-CNR (costantino.perciante@isti.cnr.it)
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*/
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public abstract class HelperMethods {
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2016-10-08 23:10:25 +02:00
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private static final org.slf4j.Logger logger = LoggerFactory.getLogger(HelperMethods.class);
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2016-10-10 18:50:11 +02:00
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// to be retrieved from the web.xml
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private static final String PENDING_CONTEX_KEY = "PendingContext";
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private static final String CONFIRMED_CONTEX_KEY = "ConfirmedContext";
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2016-10-08 22:16:31 +02:00
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/**
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* Convert a group name to its id on ckan
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* @param origName
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* @return
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*/
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2016-10-07 18:23:23 +02:00
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public static String getGroupNameOnCkan(String origName){
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2016-10-08 23:10:25 +02:00
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2016-10-07 18:23:23 +02:00
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if(origName == null)
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throw new IllegalArgumentException("origName cannot be null");
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2016-10-08 23:10:25 +02:00
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2016-10-10 18:50:11 +02:00
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String modified = origName.trim().toLowerCase().replaceAll("[^A-Za-z0-9-]", "-");
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if(modified.startsWith("-"))
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modified = modified.substring(1);
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if(modified.endsWith("-"))
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modified = modified.substring(0, modified.length() -1);
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return modified;
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2016-10-07 18:23:23 +02:00
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}
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2016-10-08 23:10:25 +02:00
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2016-10-08 22:16:31 +02:00
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/**
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* Retrieve the running instance of the data catalogue for this scope
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* @return
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* @throws Exception
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*/
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public static DataCatalogue getDataCatalogueRunningInstance(String scope) throws Exception{
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2016-10-08 23:10:25 +02:00
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2016-10-10 18:50:11 +02:00
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try{
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DataCatalogueImpl instance = DataCatalogueFactory.getFactory().getUtilsPerScope(scope);
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return instance;
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}catch(Exception e){
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logger.error("Failed to instanciate data catalogue lib", e);
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}
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return null;
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2016-10-08 23:10:25 +02:00
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}
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/**
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* Retrieve the list of tags for this object
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*/
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public static void getTags(List<String> tags, Common record){
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Class<?> current = record.getClass();
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do{
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Field[] fields = current.getDeclaredFields();
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for (Field field : fields) {
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if(field.isAnnotationPresent(Tag.class)){
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try{
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Object f = new PropertyDescriptor(field.getName(), current).getReadMethod().invoke(record);
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if(f != null){
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tags.add(f.toString());
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}
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}catch(Exception e){
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logger.error("Failed ot read value for field " + field.getName() + " skipping", e);
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}
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}
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}
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}
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while((current = current.getSuperclass())!=null);
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2016-10-08 22:16:31 +02:00
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}
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2016-10-08 23:10:25 +02:00
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/**
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2016-10-10 18:50:11 +02:00
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* Retrieve the list of groups' names for this object
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2016-10-08 23:10:25 +02:00
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*/
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public static void getGroups(List<String> groups, Common record){
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Class<?> current = record.getClass();
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do{
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Field[] fields = current.getDeclaredFields();
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for (Field field : fields) {
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if(field.isAnnotationPresent(Group.class)){
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try{
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Object f = new PropertyDescriptor(field.getName(), current).getReadMethod().invoke(record);
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if(f != null){
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2016-10-09 12:52:33 +02:00
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// also convert to the group name that should be on ckan
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2016-10-08 23:10:25 +02:00
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groups.add(getGroupNameOnCkan(f.toString()));
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}
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}catch(Exception e){
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logger.error("Failed ot read value for field " + field.getName() + " skipping", e);
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}
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}
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}
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}
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while((current = current.getSuperclass())!=null);
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}
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/**
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* Retrieve the list of extras for this object
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*/
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2016-10-10 18:50:11 +02:00
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public static void getExtras(Map<String, String> extras, Common record){
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2016-10-08 23:10:25 +02:00
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Class<?> current = record.getClass();
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do{
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Field[] fields = current.getDeclaredFields();
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for (Field field : fields) {
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if(field.isAnnotationPresent(CustomField.class)){
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try{
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Object f = new PropertyDescriptor(field.getName(), current).getReadMethod().invoke(record);
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if(f != null){
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// get the key to put into the map first
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2016-10-09 12:52:33 +02:00
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extras.put(field.getAnnotation(CustomField.class).key(), f.toString());
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2016-10-08 23:10:25 +02:00
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}
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}catch(Exception e){
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logger.error("Failed ot read value for field " + field.getName() + " skipping", e);
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}
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}
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}
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}
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while((current = current.getSuperclass())!=null);
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}
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2016-10-10 18:50:11 +02:00
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/**
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* Retrieve the organization name in which the user wants to publish starting from the scope
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* @param contextInWhichPublish
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* @return
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*/
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public static String retrieveOrgNameFromScope(String scope) {
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String[] splittedScope = scope.split("/");
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return splittedScope[splittedScope.length - 1].toLowerCase();
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}
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/**
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* Return the context in which the user wants to publish by the status information
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* @param status
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* @param contextServlet
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* @return
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*/
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public static String getContextFromStatus(Status status, ServletContext contextServlet) {
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String toReturn = null;
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switch(status){
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case Confirmed :
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toReturn = (String)contextServlet.getInitParameter(CONFIRMED_CONTEX_KEY);
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break;
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case Pending:
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toReturn = (String)contextServlet.getInitParameter(PENDING_CONTEX_KEY);
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break;
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default: break;
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}
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logger.debug("Context evaluated is " + toReturn);
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return toReturn;
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}
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/**
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* Validate the name the product will have
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* @param futureName
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* @return
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*/
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public static boolean isValid(String futureName) {
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if(futureName == null || futureName.isEmpty())
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return false;
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else{
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return futureName.matches("[\\sA-Za-z0-9_.-]+");
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}
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}
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/**
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* Retrieve the user's email given his/her username
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* @param context
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* @param token
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* @return
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* @throws Exception
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*/
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public static String getUserEmail(String context, String token){
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try(CloseableHttpClient client = HttpClientBuilder.create().build();){
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String baseUrl = GcoreEndpointReaderSocialWS.getUrlSocialWS(context);
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logger.debug("Base url is " + baseUrl);
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String url = baseUrl.replace("80", "") + "/users/getUserEmail?gcube-token=" + token;
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logger.debug("Request url is " + url);
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HttpGet getRequest = new HttpGet(url);
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HttpResponse response = client.execute(getRequest);
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if (response.getStatusLine().getStatusCode() != 200) {
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throw new RuntimeException("Failed : HTTP error code : "
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+ response.getStatusLine().getStatusCode());
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}
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BufferedReader br = new BufferedReader(
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new InputStreamReader((response.getEntity().getContent())));
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String email = "";
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String temp = null;
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while ((temp = br.readLine()) != null) {
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email+= temp;
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}
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return email;
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}catch(Exception e){
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logger.error("error while performing post method " + e.toString());
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}
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return null;
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}
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/**
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* Retrieve the user's fullname given his/her username
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* @param context
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* @param token
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* @return
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* @throws Exception
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*/
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public static String getUserFullname(String context, String token){
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try(CloseableHttpClient client = HttpClientBuilder.create().build();){
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String baseUrl = GcoreEndpointReaderSocialWS.getUrlSocialWS(context);
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logger.debug("Base url is " + baseUrl);
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String url = baseUrl.replace("80", "") + "/users/getUserFullname?gcube-token=" + token;
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logger.debug("Request url is " + url);
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HttpGet getRequest = new HttpGet(url);
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HttpResponse response = client.execute(getRequest);
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if (response.getStatusLine().getStatusCode() != 200) {
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throw new RuntimeException("Failed : HTTP error code : "
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+ response.getStatusLine().getStatusCode());
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}
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BufferedReader br = new BufferedReader(
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new InputStreamReader((response.getEntity().getContent())));
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String fullName = "";
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String temp = null;
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while ((temp = br.readLine()) != null) {
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fullName+= temp;
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}
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return fullName;
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}catch(Exception e){
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logger.error("error while performing post method " + e.toString());
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}
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return null;
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}
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2016-10-07 18:23:23 +02:00
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}
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