/* ========================================================================== *
* Copyright (C) 2004-2005 Pier Fumagalli <http://www.betaversion.org/~pier/> *
* All rights reserved. *
* ========================================================================== *
* *
* Licensed under the Apache License, Version 2.0 (the "License"). You may *
* not use this file except in compliance with the License. You may obtain a *
* copy of the License at <http://www.apache.org/licenses/LICENSE-2.0>. *
* *
* Unless required by applicable law or agreed to in writing, software *
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT *
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the *
* License for the specific language governing permissions and limitations *
* under the License. *
* *
* ========================================================================== */
package com.adito.vfs.webdav.methods;
import java.io.IOException;
import java.io.InputStream;
import com.adito.vfs.VFSLockManager;
import com.adito.vfs.VFSOutputStream;
import com.adito.vfs.VFSResource;
import com.adito.vfs.webdav.DAVMethod;
import com.adito.vfs.webdav.DAVTransaction;
import com.adito.vfs.webdav.LockedException;
/**
* <p>
* <a href="http://www.rfc-editor.org/rfc/rfc2518.txt">WebDAV</a>
* <code>PUT</code> metohd implementation.
* </p>
*
* @author <a href="http://www.betaversion.org/~pier/">Pier Fumagalli</a>
*/
public class PUT implements DAVMethod {
/**
* <p>
* Create a new {@link PUT} instance.
* </p>
*/
public PUT() {
super();
}
/**
* <p>
* Process the <code>PUT</code> method.
* </p>
*/
public void process(DAVTransaction transaction, VFSResource resource) throws LockedException, IOException {
String handle = VFSLockManager.getNewHandle();
VFSLockManager.getInstance().lock(resource, transaction.getSessionInfo(), true, true, handle);
try {
/*
* The HTTP status code will depend on the existance of the
* resource: if not found: HTTP/1.1 201 Created if existing:
* HTTP/1.1 204 No Content
*/
transaction.setStatus(resource.isNull() ? 201 : 204);
/* Open the streams for reading and writing */
InputStream in = transaction.getInputStream();
VFSOutputStream out = resource.getOutputStream();
/* Write the content from the PUT to the specified resource */
try {
byte buffer[] = new byte[32768];
int k = -1;
while (in!=null && (k = in.read(buffer)) != -1)
out.write(buffer, 0, k);
out.close();
} finally {
out.abort();
}
resource.getMount().resourceUpload(resource, transaction, null);
} catch (Exception e) {
resource.getMount().resourceUpload(resource, transaction, e);
IOException ioe = new IOException(e.getMessage());
ioe.initCause(e);
throw ioe;
} finally {
VFSLockManager.getInstance().unlock(transaction.getSessionInfo(), handle);
}
}
}