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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2016-10-10 18:50:11 +02:00
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import java.io.BufferedReader;
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2016-11-28 17:43:28 +01:00
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import java.io.File;
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2016-10-10 18:50:11 +02:00
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import java.io.InputStreamReader;
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2016-11-30 14:14:02 +01:00
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import java.io.UnsupportedEncodingException;
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2016-10-11 11:39:25 +02:00
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import java.util.HashMap;
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2016-10-08 23:10:25 +02:00
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import java.util.List;
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import java.util.Map;
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2016-11-28 17:43:28 +01:00
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import org.gcube.common.homelibrary.home.exceptions.InternalErrorException;
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import org.gcube.common.homelibrary.home.workspace.WorkspaceFolder;
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import org.gcube.common.homelibrary.home.workspace.WorkspaceItem;
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import org.gcube.common.homelibrary.home.workspace.exceptions.InsufficientPrivilegesException;
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import org.gcube.common.homelibrary.home.workspace.exceptions.ItemAlreadyExistException;
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import org.gcube.common.homelibrary.home.workspace.folder.items.ExternalFile;
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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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2016-11-30 11:43:30 +01:00
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import org.jsoup.Jsoup;
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2016-11-30 14:14:02 +01:00
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import org.jsoup.safety.Whitelist;
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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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2016-10-11 11:39:25 +02:00
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import eu.trentorise.opendata.jackan.model.CkanLicense;
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2016-10-10 18:50:11 +02:00
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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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2016-12-06 11:16:31 +01:00
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public static final String MANAGE_CONTEX_KEY = "ManageVRE";
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public static final String PUBLIC_CONTEX_KEY = "PublicVRE";
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2016-11-28 17:43:28 +01:00
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private static final String CSV_MIME = "text/csv";
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private static final String PATH_SEPARATOR = "/";
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2016-12-01 22:20:46 +01:00
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2016-10-10 18:50:11 +02:00
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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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2016-12-01 15:37:26 +01:00
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2016-11-30 18:43:57 +01:00
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logger.info("Group name generated is " + modified);
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2016-10-11 11:39:25 +02:00
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2016-10-10 18:50:11 +02:00
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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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2016-11-04 16:26:19 +01:00
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public static DataCatalogue getDataCatalogueRunningInstance(String scope){
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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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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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2016-12-07 18:41:05 +01:00
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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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//
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// public static String getContextTypeFromStatus(Status status, String scope, ServletContext contextServlet) {
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//
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// String toReturn = null;
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//
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// if(status == null){
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// return null;
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// }
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//
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// switch(status){
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// case Confirmed:
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// case Pending:
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// case Rejected:
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// if(scope.equals((String)contextServlet.getInitParameter(MANAGE_CONTEX_KEY)))
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// toReturn = MANAGE_CONTEX_KEY;
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// else
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// toReturn = null; // wrong context ...
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// break;
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// default:
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// if(scope.equals((String)contextServlet.getInitParameter(PUBLIC_CONTEX_KEY)))
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// toReturn = PUBLIC_CONTEX_KEY;
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// else
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// toReturn = null; // wrong context ...
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// break;
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// }
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//
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// logger.debug("Context type evaluated is " + toReturn);
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// return toReturn;
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// }
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2016-10-10 18:50:11 +02:00
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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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2016-11-06 21:21:11 +01:00
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public static boolean isNameValid(String futureName) {
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2016-10-10 18:50:11 +02:00
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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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2016-11-06 21:21:11 +01:00
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String baseUrl = new ServiceEndPointReaderSocial(context).getBasePath();
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String url = baseUrl + "users/getUserEmail?gcube-token=" + token;
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logger.debug("Request url is " + url);
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return executGETHttpRequest(url, 200);
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2016-10-10 18:50:11 +02:00
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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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2016-11-06 21:21:11 +01:00
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String baseUrl = new ServiceEndPointReaderSocial(context).getBasePath();
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String url = baseUrl + "users/getUserFullname?gcube-token=" + token;
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logger.debug("Request url is " + url);
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return executGETHttpRequest(url, 200);
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}
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/**
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* Execute the GET http request at this url, and return the result as string
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* @return
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*/
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private static String executGETHttpRequest(String url, int expectedCodeOnSuccess){
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2016-10-10 18:50:11 +02:00
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try(CloseableHttpClient client = HttpClientBuilder.create().build();){
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HttpGet getRequest = new HttpGet(url);
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HttpResponse response = client.execute(getRequest);
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2016-11-06 21:21:11 +01:00
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if (response.getStatusLine().getStatusCode() != expectedCodeOnSuccess) {
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2016-10-10 18:50:11 +02:00
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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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2016-11-06 21:21:11 +01:00
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String res = "";
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2016-10-10 18:50:11 +02:00
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String temp = null;
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while ((temp = br.readLine()) != null) {
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2016-11-06 21:21:11 +01:00
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res += temp;
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2016-10-10 18:50:11 +02:00
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}
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2016-11-06 21:21:11 +01:00
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return res;
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2016-10-10 18:50:11 +02:00
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}catch(Exception e){
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2016-11-30 11:43:30 +01:00
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logger.error("error while performing get method " + e.toString());
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2016-10-10 18:50:11 +02:00
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}
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return null;
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2016-11-06 21:21:11 +01:00
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2016-10-10 18:50:11 +02:00
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}
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2016-10-11 11:39:25 +02:00
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/**
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* Retrieve the list of ckan licenses and build up a map <license_id, license_title>
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* @return
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* @throws Exception
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*/
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2016-11-06 21:21:11 +01:00
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public static Map<String, String> getLicenses(DataCatalogue catalogue) throws Exception {
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2016-10-11 11:39:25 +02:00
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Map<String, String> toReturn = new HashMap<String, String>();
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List<CkanLicense> licenses = catalogue.getLicenses();
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for (CkanLicense ckanLicense : licenses) {
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toReturn.put(ckanLicense.getId(), ckanLicense.getTitle());
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}
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return toReturn;
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}
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/**
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* Check that the given license id is in CKAN
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* @param license id to check
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* @return
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* @throws Exception
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*/
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2016-11-06 21:21:11 +01:00
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public static boolean existsLicenseId(String license, DataCatalogue catalogue) throws Exception {
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2016-10-11 11:39:25 +02:00
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2016-11-04 16:26:19 +01:00
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List<CkanLicense> licenses = catalogue.getLicenses();
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for (CkanLicense ckanLicense : licenses) {
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if(ckanLicense.getId().equals(license))
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return true;
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}
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return false;
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2016-10-11 11:39:25 +02:00
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}
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2016-11-28 17:43:28 +01:00
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/**
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* Upload a file in the shared folder
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* @param resourceFormatFolder
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* @param resourceToAttachName
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* @param description
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* @param csvFile
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* @return
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*/
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public static ExternalFile uploadExternalFile(WorkspaceFolder resourceFormatFolder, String resourceToAttachName, String description, File csvFile) {
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try {
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return resourceFormatFolder.createExternalFileItem(resourceToAttachName, description, CSV_MIME, csvFile);
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} catch (InsufficientPrivilegesException | ItemAlreadyExistException
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| InternalErrorException e) {
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logger.error("Failed to upload the file into the workspace shared folder for " + resourceToAttachName, e);
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}
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return null;
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}
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/**
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* Create subfolders in cascade, returning the last created ones
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* It could be also used for getting them if they already exists
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* @param folder
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* @param subPath
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* @return null if an error occurred
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*/
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public static WorkspaceFolder createOrGetSubFoldersByPath(WorkspaceFolder folder, String subPath){
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WorkspaceFolder parentFolder = folder;
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if(folder == null)
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throw new IllegalArgumentException("Root folder is null!");
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if(subPath == null || subPath.isEmpty())
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throw new IllegalArgumentException("subPath is null/empty!");
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try{
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if(subPath.startsWith(PATH_SEPARATOR))
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subPath = subPath.replaceFirst(PATH_SEPARATOR, "");
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if(subPath.endsWith(PATH_SEPARATOR))
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subPath = subPath.substring(0, subPath.length() - 1);
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logger.debug("Splitting path " + subPath);
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String[] splittedPaths = subPath.split(PATH_SEPARATOR);
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for (String path : splittedPaths) {
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WorkspaceFolder createdFolder = getFolderOrCreate(parentFolder, path, "");
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logger.debug("Created subfolder with path " + createdFolder.getPath());
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parentFolder = createdFolder;
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}
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}catch(Exception e){
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logger.error("Failed to create the subfolders by path " + subPath);
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return null;
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}
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return parentFolder;
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}
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/**
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* Get a folder within the catalogue folder or create it if it doesn't exist.
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* @return
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*/
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public static WorkspaceFolder getFolderOrCreate(WorkspaceFolder folder, String relativePath, String descriptionFolder){
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WorkspaceFolder result = null;
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try {
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WorkspaceItem foundFolder = folder.find(relativePath);
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if(foundFolder != null && foundFolder.isFolder())
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result = (WorkspaceFolder)foundFolder;
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if(result != null)
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logger.debug("Folder found with name " + result.getName() + ", it has id " + result.getId());
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else
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throw new Exception("There is no folder with name " + relativePath + " under folder " + folder.getName());
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} catch (Exception e) {
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logger.debug("Probably the folder doesn't exist");
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try{
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result = folder.createFolder(relativePath, descriptionFolder);
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} catch (InsufficientPrivilegesException | InternalErrorException | ItemAlreadyExistException e2) {
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logger.error("Failed to get or generate this folder", e2);
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}
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}
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return result;
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}
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2016-11-30 14:14:02 +01:00
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2016-11-30 11:43:30 +01:00
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/**
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* Strip out HTML code
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* @param html
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* @return
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2016-11-30 14:14:02 +01:00
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* @throws UnsupportedEncodingException
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2016-11-30 11:43:30 +01:00
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*/
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public static String removeHTML(String html) {
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2016-11-30 11:50:47 +01:00
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if(html == null || html.isEmpty())
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return html;
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2016-11-30 14:14:02 +01:00
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// remove html and clean
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2016-11-30 11:43:30 +01:00
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String withoutHTML = Jsoup.parse(html).text();
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2016-11-30 14:14:02 +01:00
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withoutHTML = Jsoup.clean(withoutHTML, Whitelist.basic());
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// remove non ascii chars ...
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withoutHTML = withoutHTML.replaceAll("[^\\p{ASCII}]", " ");
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return withoutHTML;
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2016-11-30 11:43:30 +01:00
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}
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2016-10-07 18:23:23 +02:00
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}
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