Examples of org.xmldb.api.modules.XMLResource

org.xmldb.api.modules.XMLResource
Provides access to XML resources stored in the database. An XMLResource can be accessed either as text XML or via the DOM or SAX APIs.
The default behavior for getContent and setContent is to work with XML data as text so these methods work on String content. I.e. it is always possible to do the following
if (resource instanceof XMLResource) { String foo = (String)resource.getContent(); }

    Database database = (Database) cl.newInstance();
    database.setProperty("create-database", "true");
    DatabaseManager.registerDatabase(database);


    Collection col = null;
    XMLResource res = null;
    try {
      // get the collection
      col = DatabaseManager.getCollection(URI + "/security");
      col.setProperty(OutputKeys.INDENT, "no");
      res = (XMLResource)col.getResource("example");


      if(res == null) {
        System.out.println("document not found!");
      } else {
        System.out.println(res.getContent());
      }
    } finally {
      //dont forget to clean up!


      if(res != null) {

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            Collection collection = DatabaseManager.getCollection(col, user, password);
            if (collection == null) {
                throw new ResourceNotFoundException("Document " + url + " not found");
            }


            XMLResource xmlResource = (XMLResource) collection.getResource(res);
            if (xmlResource == null) {
                throw new ResourceNotFoundException("Document " + url + " not found");
            }


            if (query != null) {
                // Query resource
                if (this.getLogger().isDebugEnabled()) {
                    this.getLogger().debug("Querying resource " + res + " from collection " + url + "; query= " + this.query);
                }


                queryToSAX(handler, collection, res);
            } else {
                // Return entire resource
                if (this.getLogger().isDebugEnabled()) {
                    this.getLogger().debug("Obtaining resource " + res + " from collection " + col);
                }


                xmlResource.getContentAsSAX(handler);
            }


            collection.close();
        } catch (XMLDBException xde) {
            String error = "Unable to fetch content. Error "

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            IncludeXMLConsumer includeHandler = new IncludeXMLConsumer(handler);


            // Print search results
            ResourceIterator results = resultSet.getIterator();
            while (results.hasMoreResources()) {
                XMLResource result = (XMLResource)results.nextResource();


                final String id = result.getId();
                final String documentId = result.getDocumentId();


                attributes.clear();
                if (id != null) {
                    attributes.addAttribute("", RESULT_ID_ATTR, RESULT_ID_ATTR,
                        CDATA, id);
                }
                if (documentId != null) {
                    attributes.addAttribute("", RESULT_DOCID_ATTR, RESULT_DOCID_ATTR,
                        CDATA, documentId);
                }
                handler.startElement(URI, RESULT, QRESULT, attributes);


                result.getContentAsSAX(includeHandler);


                handler.endElement(URI, RESULT, RESULT);
            }


            handler.endElement(URI, RESULTSET, QRESULTSET);

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            ResourceSet resultSet = service.query(querystring);
            results = resultSet.getIterator();
            
            while (results.hasMoreResources() ) {
                XMLResource resource = (XMLResource)results.nextResource();
                String documentstr = (String)resource.getContent();
                System.out.println(documentstr);
            }
            
        } catch (Exception e) {
            System.out.println("ERROR : " + e.getMessage() );

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         if (files != null) {
            System.out.println("Extracting " + files.length + " files from " +
               (String) table.get(XMLTools.COLLECTION));
            for (int j = 0; j < files.length; j++) {
               XMLResource res =
                  (XMLResource) col.getResource(files[j]);
               String content = (String) res.getContent();
               FileOutputStream output =
                     new FileOutputStream(new File(directory, files[j]));
               
               /* UTF8FIXED: as we omit encoding declaration in output XML
                * for the moment, we MUST write file in UTF-8

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                ser);
         saxReader.parse(new InputSource(fis));
         fis.close();
         
         // Create the XMLResource and store the document
         XMLResource resource =
               (XMLResource) col.createResource((String) table.get(XMLTools.NAME_OF),
                  "XMLResource");
         resource.setContent(ser.toString());
         col.storeResource(resource);
                           
         System.out.println("Added document " + table.get(XMLTools.COLLECTION) + "/" +
            resource.getId());
         resource = null;
      }     
      finally {
         if (col != null) {
            col.close();

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                  return false;
               }


               if (table.get(XMLTools.NAME_OF) != null) {


                  XMLResource resource = (XMLResource)col.getResource(docname);
                  // Verify that we were able to find the document
                  if ( resource == null ) {
                     System.out.println("ERROR : Document not found!");
                     return false;
                  }
                    
                  String documentstr = (String)resource.getContent();


                  if ((documentstr != null) && (table.get(XMLTools.FILE_PATH) != "" )) {
                     try {
                        File file = new File((String)table.get(XMLTools.FILE_PATH));
                        // Create the directory structure if necessary

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         Collections.synchronizedList(new ArrayList(nodes.getLength()));


      int i = 0;
      while ( i < nodes.getLength() ) {
        try {
            XMLResource resource;
            Node n = nodes.item(i);
            String documentId = ((Element) n).getAttributeNS(
               NodeSource.SOURCE_NS, "key");


            if ( bytes != null ) {

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      set.setAttribute("xmlns:xapi", RESOURCE_SET_NS);
      doc.appendChild(set);


      int i = 0;
      while ( i < resources.size() ) {
         XMLResource res = (XMLResource) resources.get(i);
         Element resource = doc.createElementNS(RESOURCE_SET_NS,
            "xapi:resource");
         resource.setAttributeNS(RESOURCE_SET_NS, "xapi:documentID",
            res.getDocumentId());


         resource.appendChild(doc.importNode(
            ((Document) res.getContentAsDOM()).getDocumentElement(), true));


         set.appendChild(resource);


         i++;
      }


      XMLResource result = new XMLResourceImpl(null, null,
         collection, TextWriter.toString(doc));


      return result;
   }

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                              String name,
                              String doc)
         throws Exception {
      Collection col = DatabaseManager.getCollection(driver + "/" + path);


      XMLResource document = (XMLResource) col.createResource(name, "XMLResource");
      document.setContent(doc);
      col.storeResource(document);
   }

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