commented class MetadataConverter and WorkspaceEventCollector
git-svn-id: http://svn.d4science-ii.research-infrastructures.eu/gcube/trunk/portlets/user/workspace-tree-widget@115154 82a268e6-3cf1-43bd-a215-b396298e98cf
This commit is contained in:
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4862239803
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648012769b
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@ -1,275 +1,295 @@
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/**
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*
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*/
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package org.gcube.portlets.user.workspace.server.util;
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.io.StringReader;
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import java.io.StringWriter;
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import java.rmi.RemoteException;
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import java.util.LinkedHashMap;
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import java.util.List;
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import java.util.Map;
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import javax.xml.transform.OutputKeys;
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import javax.xml.transform.Templates;
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import javax.xml.transform.Transformer;
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import javax.xml.transform.TransformerException;
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import javax.xml.transform.TransformerFactory;
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import javax.xml.transform.stream.StreamResult;
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import javax.xml.transform.stream.StreamSource;
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import org.apache.commons.io.IOUtils;
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import org.apache.log4j.Logger;
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import org.gcube.application.framework.core.genericresources.model.ISGenericResource;
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import org.gcube.application.framework.core.session.ASLSession;
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import org.gcube.application.framework.core.util.GenericResource;
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/**
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* @author Federico De Faveri defaveri@isti.cnr.it
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*
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*/
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public class MetadataConverter {
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protected Logger logger;
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/**
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* FIXME public as generic resource
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*/
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protected static final String DEFAULT_XSLT = "/org/gcube/portlets/user/workspace/server/util/resources/xmlverbatim.xsl";
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/**
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* Schema name to XSLT generic resource id map.
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*/
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protected Map<String, String> schemaNameId = new LinkedHashMap<String, String>();
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/**
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* Id to XSLT map cache.
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*/
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protected Map<String, String> xsltCache = new LinkedHashMap<String, String>();
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protected boolean setup = false;
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/**
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* Create a new MetadataConverter.
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*/
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public MetadataConverter(Logger logger)
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{
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this.logger = logger;
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}
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/**
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* Load user xslt.
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* @param aslSession
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*/
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public synchronized void setup(ASLSession aslSession)
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{
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if (!setup) retrieveXSLTIds(aslSession);
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}
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public synchronized void isReady()
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{
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}
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/**
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* Convert the given metadata XML to HTML.
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* @param schemaName
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* @param xml
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* @param aslSession
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* @return
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* @throws Exception
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*/
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public String convert(String schemaName, String xml, ASLSession aslSession) throws Exception
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{
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logger.trace("convert schemaName: "+schemaName+" xml.length: "+xml.length()+" session: "+aslSession);
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//we have to find from the schema name the xslt id
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String xsltId = null;
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//FIXME find a rule for schema names
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if (schemaNameId.containsKey(schemaName)) xsltId = schemaNameId.get(schemaName);
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else if (schemaNameId.containsKey(schemaName.toLowerCase())) xsltId = schemaNameId.get(schemaName.toLowerCase());
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else if (schemaNameId.containsKey(schemaName.toUpperCase())) xsltId = schemaNameId.get(schemaName.toUpperCase());
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logger.trace("XSLT ID: "+xsltId);
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String xslt = null;
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if (xsltId != null){
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try {
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xslt = getXSL(xsltId, aslSession);
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} catch (RemoteException e) {
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logger.error("Error during xslt retrieving", e);
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}
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}
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if (xslt == null){
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//we have to use the default xslt schema
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try {
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xslt = getDefaultXSLT();
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} catch (IOException e) {
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logger.error("Error during default xslt retrieving", e);
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throw e;
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}
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}
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if (xslt == null) throw new Exception("No xslt found");
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logger.trace("XSLT: "+xslt);
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logger.trace("XML: "+xml);
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String html = transform(xml, xslt);
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return html;
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}
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/**
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* Convert the given XML to HTML using the default XSLT.
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* @param xml the XML to convert.
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* @param aslSession the user session.
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* @return the HTML.
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* @throws Exception
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*/
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public String convertUsingDefault(String xml, ASLSession aslSession) throws Exception
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{
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logger.trace("convertUsingDefault xml.length: "+xml.length()+" session: "+aslSession);
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String xslt = getDefaultXSLT();
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if (xslt == null) throw new Exception("No xslt found");
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logger.trace("XSLT: "+xslt);
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logger.trace("XML: "+xml);
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String html = transform(xml, xslt);
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return html;
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}
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/**
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* Retrieve from user profile all transformation schemas id.
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* @param aslSession
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*/
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protected void retrieveXSLTIds(ASLSession aslSession)
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{
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logger.trace("retrieveXSLTIds aslSession: "+aslSession);
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/* TODO RE-ENABLE
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*
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* try{
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UserProfile userprofile = new UserProfile(aslSession);
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logger.trace("Profile loaded");
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HashMap<String, String> idSchemaNameMap = userprofile.getMetadataXSLTs(aslSession.getUsername());
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logger.trace("found "+idSchemaNameMap.size()+" schema maps");
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for (Map.Entry<String, String> idSchemaName :idSchemaNameMap.entrySet()){
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String id = idSchemaName.getValue();
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String schemaName = idSchemaName.getKey();
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logger.trace("id: "+id+" schema: "+schemaName);
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int uIndex = schemaName.lastIndexOf("-|-");
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if (uIndex>=0) schemaName = schemaName.substring(0, uIndex);
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logger.trace("schema: "+schemaName);
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schemaNameId.put(schemaName, id);
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}
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}catch(Throwable e)
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{
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//FIXME add exception to log
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logger.error("Something wrong retriving the user profile informations");
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}*/
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}
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/**
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* Get a XSLT from is id.
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* If the XSLT is not in the cache then is retrieved from IS.
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* @param xsltId the XSLT id.
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* @param aslSession
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* @return the XSLT.
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* @throws RemoteException
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*/
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protected String getXSL(String xsltId, ASLSession aslSession) throws RemoteException
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{
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if (xsltCache.containsKey(xsltId)) return xsltCache.get(xsltId);
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String xslt = retrieveXSLT(xsltId, aslSession);
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if (xslt == null) return null;
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xsltCache.put(xsltId, xslt);
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return xslt;
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}
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/**
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* Retrieve a schema from his generic resource.
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* @param xslId the schema id.
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* @param aslSession
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* @return the schema.
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* @throws RemoteException
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*/
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protected String retrieveXSLT(String xslId, ASLSession aslSession) throws RemoteException
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{
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GenericResource resource = new GenericResource(aslSession);
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List<ISGenericResource> genericResources = resource.getGenericResourceByID(xslId);
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if (genericResources.size() == 0){
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logger.error("xsltId resource not found for id "+xslId);
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return null;
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}
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ISGenericResource xsltResource = genericResources.get(0);
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String xsltBody = xsltResource.getBody();
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String xslt = "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n"+xsltBody;
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return xslt;
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}
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/**
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* Transform an XML string to HTML string using an XSLT processor.
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* @param xml the XML to convert.
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* @param xslt the XML used for the conversion.
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* @return the HTML.
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* @throws TransformerException if an error occurs.
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*/
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protected String transform(String xml, String xslt) throws TransformerException
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{
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TransformerFactory tf = TransformerFactory.newInstance();
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StreamSource source = new StreamSource(new ByteArrayInputStream(xslt.getBytes()));
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Templates compiledXSLT = tf.newTemplates(source);
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Transformer t = compiledXSLT.newTransformer();
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t.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "true");
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StringWriter w = new StringWriter();
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t.transform(new StreamSource(new StringReader(xml)), new StreamResult(w));
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return w.toString();
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}
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protected String getDefaultXSLT() throws IOException
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{
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InputStream is = MetadataConverter.class.getResourceAsStream(DEFAULT_XSLT);
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if (is == null){
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logger.error("Default XSLT resource not found on "+DEFAULT_XSLT);
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return null;
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}
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InputStreamReader isr = new InputStreamReader(is);
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StringWriter sw = new StringWriter();
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IOUtils.copy(isr, sw);
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return sw.toString();
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}
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}
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///**
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// *
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// */
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//package org.gcube.portlets.user.workspace.server.util;
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//
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//import java.io.ByteArrayInputStream;
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//import java.io.IOException;
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//import java.io.InputStream;
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//import java.io.InputStreamReader;
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//import java.io.StringReader;
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//import java.io.StringWriter;
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//import java.rmi.RemoteException;
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//import java.util.LinkedHashMap;
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//import java.util.List;
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//import java.util.Map;
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//
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//import javax.xml.transform.OutputKeys;
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//import javax.xml.transform.Templates;
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//import javax.xml.transform.Transformer;
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//import javax.xml.transform.TransformerException;
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//import javax.xml.transform.TransformerFactory;
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//import javax.xml.transform.stream.StreamResult;
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//import javax.xml.transform.stream.StreamSource;
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//
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//import org.apache.commons.io.IOUtils;
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//import org.apache.log4j.Logger;
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//import org.gcube.application.framework.core.genericresources.model.ISGenericResource;
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//import org.gcube.application.framework.core.session.ASLSession;
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//import org.gcube.application.framework.core.util.GenericResource;
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//
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///**
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// * @author Federico De Faveri defaveri@isti.cnr.it
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// *
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// */
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//public class MetadataConverter {
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//
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// protected Logger logger;
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//
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// /**
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// * FIXME public as generic resource
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// */
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// protected static final String DEFAULT_XSLT = "/org/gcube/portlets/user/workspace/server/util/resources/xmlverbatim.xsl";
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//
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// /**
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// * Schema name to XSLT generic resource id map.
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// */
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// protected Map<String, String> schemaNameId = new LinkedHashMap<String, String>();
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//
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// /**
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// * Id to XSLT map cache.
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// */
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// protected Map<String, String> xsltCache = new LinkedHashMap<String, String>();
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//
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// protected boolean setup = false;
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//
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// /**
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// * Create a new MetadataConverter.
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// */
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// public MetadataConverter(Logger logger) {
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// this.logger = logger;
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// }
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//
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// /**
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// * Load user xslt.
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// *
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// * @param aslSession
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// */
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// public synchronized void setup(ASLSession aslSession) {
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// if (!setup)
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// retrieveXSLTIds(aslSession);
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// }
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//
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// public synchronized void isReady() {
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//
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// }
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//
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// /**
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// * Convert the given metadata XML to HTML.
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// *
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// * @param schemaName
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// * @param xml
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// * @param aslSession
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// * @return
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// * @throws Exception
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// */
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// public String convert(String schemaName, String xml, ASLSession aslSession)
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// throws Exception {
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// logger.trace("convert schemaName: " + schemaName + " xml.length: "
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// + xml.length() + " session: " + aslSession);
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// // we have to find from the schema name the xslt id
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//
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// String xsltId = null;
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//
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// // FIXME find a rule for schema names
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// if (schemaNameId.containsKey(schemaName))
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// xsltId = schemaNameId.get(schemaName);
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// else if (schemaNameId.containsKey(schemaName.toLowerCase()))
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// xsltId = schemaNameId.get(schemaName.toLowerCase());
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// else if (schemaNameId.containsKey(schemaName.toUpperCase()))
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// xsltId = schemaNameId.get(schemaName.toUpperCase());
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//
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// logger.trace("XSLT ID: " + xsltId);
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//
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// String xslt = null;
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//
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// if (xsltId != null) {
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// try {
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// xslt = getXSL(xsltId, aslSession);
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// } catch (RemoteException e) {
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// logger.error("Error during xslt retrieving", e);
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// }
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// }
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//
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// if (xslt == null) {
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// // we have to use the default xslt schema
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// try {
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// xslt = getDefaultXSLT();
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// } catch (IOException e) {
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// logger.error("Error during default xslt retrieving", e);
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// throw e;
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// }
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// }
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//
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// if (xslt == null)
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// throw new Exception("No xslt found");
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//
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// logger.trace("XSLT: " + xslt);
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// logger.trace("XML: " + xml);
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//
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// String html = transform(xml, xslt);
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//
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// return html;
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// }
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//
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// /**
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// * Convert the given XML to HTML using the default XSLT.
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// *
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// * @param xml
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// * the XML to convert.
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// * @param aslSession
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// * the user session.
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// * @return the HTML.
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// * @throws Exception
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// */
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// public String convertUsingDefault(String xml, ASLSession aslSession)
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// throws Exception {
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// logger.trace("convertUsingDefault xml.length: " + xml.length()
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// + " session: " + aslSession);
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//
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// String xslt = getDefaultXSLT();
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//
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// if (xslt == null)
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// throw new Exception("No xslt found");
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//
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// logger.trace("XSLT: " + xslt);
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// logger.trace("XML: " + xml);
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//
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// String html = transform(xml, xslt);
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//
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// return html;
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// }
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//
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// /**
|
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// * Retrieve from user profile all transformation schemas id.
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// *
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// * @param aslSession
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// */
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// protected void retrieveXSLTIds(ASLSession aslSession) {
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// logger.trace("retrieveXSLTIds aslSession: " + aslSession);
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//
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// /*
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// * TODO RE-ENABLE
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// *
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// * try{
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// *
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// * UserProfile userprofile = new UserProfile(aslSession);
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// * logger.trace("Profile loaded");
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// *
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// * HashMap<String, String> idSchemaNameMap =
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// * userprofile.getMetadataXSLTs(aslSession.getUsername());
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// *
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// * logger.trace("found "+idSchemaNameMap.size()+" schema maps");
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// *
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// * for (Map.Entry<String, String> idSchemaName
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// * :idSchemaNameMap.entrySet()){ String id = idSchemaName.getValue();
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// * String schemaName = idSchemaName.getKey();
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// *
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// * logger.trace("id: "+id+" schema: "+schemaName);
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// *
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// * int uIndex = schemaName.lastIndexOf("-|-"); if (uIndex>=0) schemaName
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// * = schemaName.substring(0, uIndex);
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// *
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// * logger.trace("schema: "+schemaName);
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// *
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// * schemaNameId.put(schemaName, id); } }catch(Throwable e) { //FIXME add
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// * exception to log
|
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// * logger.error("Something wrong retriving the user profile informations"
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// * ); }
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// */
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// }
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//
|
||||
// /**
|
||||
// * Get a XSLT from is id. If the XSLT is not in the cache then is retrieved
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||||
// * from IS.
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// *
|
||||
// * @param xsltId
|
||||
// * the XSLT id.
|
||||
// * @param aslSession
|
||||
// * @return the XSLT.
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||||
// * @throws RemoteException
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// */
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||||
// protected String getXSL(String xsltId, ASLSession aslSession)
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// throws RemoteException {
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// if (xsltCache.containsKey(xsltId))
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// return xsltCache.get(xsltId);
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//
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// String xslt = retrieveXSLT(xsltId, aslSession);
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// if (xslt == null)
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// return null;
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//
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// xsltCache.put(xsltId, xslt);
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//
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// return xslt;
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// }
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//
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||||
// /**
|
||||
// * Retrieve a schema from his generic resource.
|
||||
// *
|
||||
// * @param xslId
|
||||
// * the schema id.
|
||||
// * @param aslSession
|
||||
// * @return the schema.
|
||||
// * @throws RemoteException
|
||||
// */
|
||||
// protected String retrieveXSLT(String xslId, ASLSession aslSession)
|
||||
// throws RemoteException {
|
||||
// GenericResource resource = new GenericResource(aslSession);
|
||||
// List<ISGenericResource> genericResources = resource
|
||||
// .getGenericResourceByID(xslId);
|
||||
// if (genericResources.size() == 0) {
|
||||
// logger.error("xsltId resource not found for id " + xslId);
|
||||
// return null;
|
||||
// }
|
||||
//
|
||||
// ISGenericResource xsltResource = genericResources.get(0);
|
||||
// String xsltBody = xsltResource.getBody();
|
||||
// String xslt = "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n"
|
||||
// + xsltBody;
|
||||
//
|
||||
// return xslt;
|
||||
// }
|
||||
//
|
||||
// /**
|
||||
// * Transform an XML string to HTML string using an XSLT processor.
|
||||
// *
|
||||
// * @param xml
|
||||
// * the XML to convert.
|
||||
// * @param xslt
|
||||
// * the XML used for the conversion.
|
||||
// * @return the HTML.
|
||||
// * @throws TransformerException
|
||||
// * if an error occurs.
|
||||
// */
|
||||
// protected String transform(String xml, String xslt)
|
||||
// throws TransformerException {
|
||||
// TransformerFactory tf = TransformerFactory.newInstance();
|
||||
// StreamSource source = new StreamSource(new ByteArrayInputStream(
|
||||
// xslt.getBytes()));
|
||||
// Templates compiledXSLT = tf.newTemplates(source);
|
||||
// Transformer t = compiledXSLT.newTransformer();
|
||||
// t.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "true");
|
||||
// StringWriter w = new StringWriter();
|
||||
// t.transform(new StreamSource(new StringReader(xml)),
|
||||
// new StreamResult(w));
|
||||
// return w.toString();
|
||||
// }
|
||||
//
|
||||
// protected String getDefaultXSLT() throws IOException {
|
||||
// InputStream is = MetadataConverter.class
|
||||
// .getResourceAsStream(DEFAULT_XSLT);
|
||||
//
|
||||
// if (is == null) {
|
||||
// logger.error("Default XSLT resource not found on " + DEFAULT_XSLT);
|
||||
// return null;
|
||||
// }
|
||||
//
|
||||
// InputStreamReader isr = new InputStreamReader(is);
|
||||
//
|
||||
// StringWriter sw = new StringWriter();
|
||||
//
|
||||
// IOUtils.copy(isr, sw);
|
||||
//
|
||||
// return sw.toString();
|
||||
// }
|
||||
//}
|
||||
|
|
|
|||
|
|
@ -1,47 +1,47 @@
|
|||
/**
|
||||
*
|
||||
*/
|
||||
package org.gcube.portlets.user.workspace.server.util;
|
||||
|
||||
import java.util.concurrent.BlockingQueue;
|
||||
import java.util.concurrent.LinkedBlockingQueue;
|
||||
|
||||
import org.apache.log4j.Logger;
|
||||
import org.gcube.common.homelibrary.home.workspace.events.WorkspaceEvent;
|
||||
import org.gcube.common.homelibrary.home.workspace.events.WorkspaceListener;
|
||||
|
||||
/**
|
||||
* @author Federico De Faveri defaveri@isti.cnr.it
|
||||
*
|
||||
*/
|
||||
public class WorkspaceEventCollector implements WorkspaceListener {
|
||||
|
||||
protected static Logger logger = Logger.getLogger(WorkspaceEventCollector.class);
|
||||
|
||||
protected BlockingQueue<WorkspaceEvent> eventsQueue = new LinkedBlockingQueue<WorkspaceEvent>();
|
||||
|
||||
/**
|
||||
* @param logger
|
||||
*/
|
||||
public WorkspaceEventCollector() {
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritDoc}
|
||||
*/
|
||||
public void workspaceEvent(WorkspaceEvent event) {
|
||||
try {
|
||||
logger.trace("EventCollector workspaceEvent"+event);
|
||||
eventsQueue.put(event);
|
||||
} catch (InterruptedException e) {
|
||||
logger.warn("Error adding a new event", e);
|
||||
}
|
||||
}
|
||||
|
||||
public WorkspaceEvent getEvent() throws InterruptedException
|
||||
{
|
||||
logger.trace("getEvent");
|
||||
return eventsQueue.take();
|
||||
}
|
||||
|
||||
}
|
||||
///**
|
||||
// *
|
||||
// */
|
||||
//package org.gcube.portlets.user.workspace.server.util;
|
||||
//
|
||||
//import java.util.concurrent.BlockingQueue;
|
||||
//import java.util.concurrent.LinkedBlockingQueue;
|
||||
//
|
||||
//import org.apache.log4j.Logger;
|
||||
//import org.gcube.common.homelibrary.home.workspace.events.WorkspaceEvent;
|
||||
//import org.gcube.common.homelibrary.home.workspace.events.WorkspaceListener;
|
||||
//
|
||||
///**
|
||||
// * @author Federico De Faveri defaveri@isti.cnr.it
|
||||
// *
|
||||
// */
|
||||
//public class WorkspaceEventCollector implements WorkspaceListener {
|
||||
//
|
||||
// protected static Logger logger = Logger.getLogger(WorkspaceEventCollector.class);
|
||||
//
|
||||
// protected BlockingQueue<WorkspaceEvent> eventsQueue = new LinkedBlockingQueue<WorkspaceEvent>();
|
||||
//
|
||||
// /**
|
||||
// * @param logger
|
||||
// */
|
||||
// public WorkspaceEventCollector() {
|
||||
// }
|
||||
//
|
||||
// /**
|
||||
// * {@inheritDoc}
|
||||
// */
|
||||
// public void workspaceEvent(WorkspaceEvent event) {
|
||||
// try {
|
||||
// logger.trace("EventCollector workspaceEvent"+event);
|
||||
// eventsQueue.put(event);
|
||||
// } catch (InterruptedException e) {
|
||||
// logger.warn("Error adding a new event", e);
|
||||
// }
|
||||
// }
|
||||
//
|
||||
// public WorkspaceEvent getEvent() throws InterruptedException
|
||||
// {
|
||||
// logger.trace("getEvent");
|
||||
// return eventsQueue.take();
|
||||
// }
|
||||
//
|
||||
//}
|
||||
|
|
|
|||
|
|
@ -6,14 +6,10 @@ package org.gcube.portlets.user.workspace;
|
|||
import java.util.List;
|
||||
import java.util.concurrent.TimeUnit;
|
||||
|
||||
import javax.servlet.http.HttpSession;
|
||||
|
||||
import org.apache.log4j.Logger;
|
||||
import org.gcube.application.framework.core.session.ASLSession;
|
||||
import org.gcube.common.homelibrary.home.HomeLibrary;
|
||||
import org.gcube.common.homelibrary.home.exceptions.HomeNotFoundException;
|
||||
import org.gcube.common.homelibrary.home.exceptions.InternalErrorException;
|
||||
import org.gcube.common.homelibrary.home.exceptions.UserNotFoundException;
|
||||
import org.gcube.common.homelibrary.home.workspace.Workspace;
|
||||
import org.gcube.common.homelibrary.home.workspace.WorkspaceFolder;
|
||||
import org.gcube.common.homelibrary.home.workspace.WorkspaceItem;
|
||||
|
|
@ -22,10 +18,6 @@ import org.gcube.common.homelibrary.home.workspace.exceptions.WorkspaceFolderNot
|
|||
import org.gcube.common.homelibrary.home.workspace.folder.FolderItem;
|
||||
import org.gcube.common.scope.api.ScopeProvider;
|
||||
import org.gcube.common.scope.impl.ScopeBean;
|
||||
import org.gcube.portlets.user.workspace.client.model.InfoContactModel;
|
||||
import org.gcube.portlets.user.workspace.server.GWTWorkspaceBuilder;
|
||||
import org.gcube.portlets.user.workspace.server.util.MetadataConverter;
|
||||
import org.gcube.portlets.user.workspace.server.util.WorkspaceEventCollector;
|
||||
|
||||
/**
|
||||
*
|
||||
|
|
|
|||
Loading…
Reference in New Issue