JcrUrlStreamHandler.java

   1 package org.argeo.jcr;
   2
   3 import java.io.IOException;
   4 import java.io.InputStream;
   5 import java.net.URL;
   6 import java.net.URLConnection;
   7 import java.net.URLStreamHandler;
   8
   9 import javax.jcr.Binary;
  10 import javax.jcr.Item;
  11 import javax.jcr.Node;
  12 import javax.jcr.Property;
  13 import javax.jcr.PropertyType;
  14 import javax.jcr.RepositoryException;
  15 import javax.jcr.Session;
  16 import javax.jcr.nodetype.NodeType;
  17
  18 /** URL stream handler able to deal with nt:file node and properties. NOT FINISHED */
  19 public class JcrUrlStreamHandler extends URLStreamHandler {
  20         private final Session session;
  21
  22         public JcrUrlStreamHandler(Session session) {
  23                 this.session = session;
  24         }
  25
  26         @Override
  27         protected URLConnection openConnection(final URL u) throws IOException {
  28                 // TODO Auto-generated method stub
  29                 return new URLConnection(u) {
  30
  31                         @Override
  32                         public void connect() throws IOException {
  33                                 String itemPath = u.getPath();
  34                                 try {
  35                                         if (!session.itemExists(itemPath))
  36                                                 throw new IOException("No item under " + itemPath);
  37
  38                                         Item item = session.getItem(u.getPath());
  39                                         if (item.isNode()) {
  40                                                 // this should be a nt:file node
  41                                                 Node node = (Node) item;
  42                                                 if (!node.getPrimaryNodeType().isNodeType(
  43                                                                 NodeType.NT_FILE))
  44                                                         throw new IOException("Node " + node + " is not a "
  45                                                                         + NodeType.NT_FILE);
  46
  47                                         } else {
  48                                                 Property property = (Property) item;
  49                                                 if(property.getType()==PropertyType.BINARY){
  50                                                         Binary binary = property.getBinary();
  51
  52                                                 }
  53                                         }
  54                                 } catch (RepositoryException e) {
  55                                         IOException ioe = new IOException(
  56                                                         "Unexpected JCR exception");
  57                                         ioe.initCause(e);
  58                                         throw ioe;
  59                                 }
  60                         }
  61
  62                         @Override
  63                         public InputStream getInputStream() throws IOException {
  64                                 // TODO Auto-generated method stub
  65                                 return super.getInputStream();
  66                         }
  67
  68                 };
  69         }
  70
  71 }