Exported some Repo functionality via RMI. First (still broken) Repo

based CLT.  Some cleanup and modification to other CLTs.  WIP.


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@4500 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/remote/RepoRemoteInputStream.java

@@ -0,0 +1,102 @@
+/**
+ * 
+ */
+package org.alfresco.repo.remote;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+import org.alfresco.service.cmr.remote.RepoRemoteTransport;
+
+/**
+ * A wrapper implementation of InputStream to work with
+ * a RepoRemoteTransport instance.
+ * @author britt
+ */
+public class RepoRemoteInputStream extends InputStream 
+{
+    /**
+     * The RepoRemoteTransport reference.
+     */
+    private RepoRemoteTransport fRepoRemote;
+    
+    /**
+     * The handle to the input stream.
+     */
+    private String fHandle;
+    
+    /**
+     * Construct one.
+     * @param handle The handle returned by getInputStream();
+     * @param remote The AVMRemote instance.
+     */
+    public RepoRemoteInputStream(String handle, RepoRemoteTransport remote)
+    {
+        fHandle = handle;
+        fRepoRemote = remote;
+    }
+    
+    /**
+     * Read in a single byte.
+     * @return The byte as 0-255 or -1 for eof.
+     */
+    @Override
+    public int read() throws IOException
+    {
+        try
+        {
+            byte [] buff = fRepoRemote.readInput(ClientTicketHolder.GetTicket(), fHandle, 1);
+            if (buff.length == 0)
+            {
+                return -1;
+            }
+            return ((int)buff[0]) & 0xff;
+        }
+        catch (Exception e)
+        {
+            throw new IOException("Remote I/O Error.");
+        }
+    }
+
+    /**
+     * Read a buffer of bytes.
+     * @param b The buffer into which to put the bytes.
+     * @param off The offset into the buffer.
+     * @param len The number of bytes to read.
+     * @return The actual number of bytes read or -1 on eof.
+     */
+    @Override
+    public int read(byte[] b, int off, int len) throws IOException
+    {
+        try
+        {
+            byte [] buff = fRepoRemote.readInput(ClientTicketHolder.GetTicket(), fHandle, len);
+            if (buff.length == 0)
+            {
+                return -1;
+            }
+            System.arraycopy(buff, 0, b, off, buff.length);
+            return buff.length;
+        }
+        catch (Exception e)
+        {
+            throw new IOException("Remote I/O Error.");
+        }
+    }
+
+    /**
+     * Close the underlying AVMRemote handle.
+     */
+    @Override
+    public void close() throws IOException
+    {
+        try
+        {
+            fRepoRemote.closeInputHandle(ClientTicketHolder.GetTicket(), fHandle);
+        }
+        catch (Exception e)
+        {
+            throw new IOException("Remote Error closing input stream.");
+        }
+    }
+}