Start working on JCR url stream handler

git-svn-id: https://svn.argeo.org/commons/trunk@4239 4cfe0d0a-d680-48aa-b62c-e0a02a3f76cc

diff --git a/server/runtime/org.argeo.server.jcr/src/main/java/org/argeo/jcr/JcrUrlStreamHandler.java b/server/runtime/org.argeo.server.jcr/src/main/java/org/argeo/jcr/JcrUrlStreamHandler.java
new file mode 100644 (file)
index 0000000..1f803bf
--- /dev/null
+++ b/server/runtime/org.argeo.server.jcr/src/main/java/org/argeo/jcr/JcrUrlStreamHandler.java
@@ -0,0 +1,71 @@
+package org.argeo.jcr;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+import java.net.URLConnection;
+import java.net.URLStreamHandler;
+
+import javax.jcr.Binary;
+import javax.jcr.Item;
+import javax.jcr.Node;
+import javax.jcr.Property;
+import javax.jcr.PropertyType;
+import javax.jcr.RepositoryException;
+import javax.jcr.Session;
+import javax.jcr.nodetype.NodeType;
+
+/** URL stream handler able to deal with nt:file node and properties. NOT FINISHED */
+public class JcrUrlStreamHandler extends URLStreamHandler {
+       private final Session session;
+
+       public JcrUrlStreamHandler(Session session) {
+               this.session = session;
+       }
+
+       @Override
+       protected URLConnection openConnection(final URL u) throws IOException {
+               // TODO Auto-generated method stub
+               return new URLConnection(u) {
+
+                       @Override
+                       public void connect() throws IOException {
+                               String itemPath = u.getPath();
+                               try {
+                                       if (!session.itemExists(itemPath))
+                                               throw new IOException("No item under " + itemPath);
+
+                                       Item item = session.getItem(u.getPath());
+                                       if (item.isNode()) {
+                                               // this should be a nt:file node
+                                               Node node = (Node) item;
+                                               if (!node.getPrimaryNodeType().isNodeType(
+                                                               NodeType.NT_FILE))
+                                                       throw new IOException("Node " + node + " is not a "
+                                                                       + NodeType.NT_FILE);
+
+                                       } else {
+                                               Property property = (Property) item;
+                                               if(property.getType()==PropertyType.BINARY){
+                                                       Binary binary = property.getBinary();
+                                                       
+                                               }
+                                       }
+                               } catch (RepositoryException e) {
+                                       IOException ioe = new IOException(
+                                                       "Unexpected JCR exception");
+                                       ioe.initCause(e);
+                                       throw ioe;
+                               }
+                       }
+
+                       @Override
+                       public InputStream getInputStream() throws IOException {
+                               // TODO Auto-generated method stub
+                               return super.getInputStream();
+                       }
+
+               };
+       }
+
+}