org.argeo.server.jcr/src/org/argeo/jcr/JcrUrlStreamHandler.java

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.argeo.jcr;
  17
  18 import java.io.IOException;
  19 import java.io.InputStream;
  20 import java.net.URL;
  21 import java.net.URLConnection;
  22 import java.net.URLStreamHandler;
  23
  24 import javax.jcr.Item;
  25 import javax.jcr.Node;
  26 import javax.jcr.Property;
  27 import javax.jcr.PropertyType;
  28 import javax.jcr.RepositoryException;
  29 import javax.jcr.Session;
  30 import javax.jcr.nodetype.NodeType;
  31
  32 /** URL stream handler able to deal with nt:file node and properties. NOT FINISHED */
  33 public class JcrUrlStreamHandler extends URLStreamHandler {
  34         private final Session session;
  35
  36         public JcrUrlStreamHandler(Session session) {
  37                 this.session = session;
  38         }
  39
  40         @Override
  41         protected URLConnection openConnection(final URL u) throws IOException {
  42                 // TODO Auto-generated method stub
  43                 return new URLConnection(u) {
  44
  45                         @Override
  46                         public void connect() throws IOException {
  47                                 String itemPath = u.getPath();
  48                                 try {
  49                                         if (!session.itemExists(itemPath))
  50                                                 throw new IOException("No item under " + itemPath);
  51
  52                                         Item item = session.getItem(u.getPath());
  53                                         if (item.isNode()) {
  54                                                 // this should be a nt:file node
  55                                                 Node node = (Node) item;
  56                                                 if (!node.getPrimaryNodeType().isNodeType(
  57                                                                 NodeType.NT_FILE))
  58                                                         throw new IOException("Node " + node + " is not a "
  59                                                                         + NodeType.NT_FILE);
  60
  61                                         } else {
  62                                                 Property property = (Property) item;
  63                                                 if(property.getType()==PropertyType.BINARY){
  64                                                         //Binary binary = property.getBinary();
  65
  66                                                 }
  67                                         }
  68                                 } catch (RepositoryException e) {
  69                                         IOException ioe = new IOException(
  70                                                         "Unexpected JCR exception");
  71                                         ioe.initCause(e);
  72                                         throw ioe;
  73                                 }
  74                         }
  75
  76                         @Override
  77                         public InputStream getInputStream() throws IOException {
  78                                 // TODO Auto-generated method stub
  79                                 return super.getInputStream();
  80                         }
  81
  82                 };
  83         }
  84
  85 }