/*
* $Header: /home/cvs/jakarta-slide/webdavclient/connector/src/java/org/apache/webdav/connector/WebDAVXAResource.java,v 1.3 2004/07/27 15:27:23 luetzkendorf Exp $
* $Revision: 1.3 $
* $Date: 2004/07/27 15:27:23 $
*
* ====================================================================
*
* Copyright 2004 The Apache Software Foundation
*
* 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 org.apache.webdav.connector;
import java.io.IOException;
import java.io.PrintWriter;
import javax.transaction.xa.XAException;
import javax.transaction.xa.XAResource;
import javax.transaction.xa.Xid;
import org.apache.commons.transaction.util.LoggerFacade;
import org.apache.commons.transaction.util.PrintWriterLogger;
import org.apache.commons.transaction.util.xa.AbstractTransactionalResource;
import org.apache.commons.transaction.util.xa.AbstractXAResource;
import org.apache.commons.transaction.util.xa.TransactionalResource;
import org.apache.webdav.lib.WebdavResource;
/**
*
* @version $Revision: 1.3 $
*
*/
public class WebDAVXAResource extends AbstractXAResource {
protected WebdavResource webdavResource;
protected String owner;
protected int timeout = 10;
protected LoggerFacade loggerFacade;
public WebDAVXAResource(WebdavResource webdavResource, String owner) {
this.webdavResource = webdavResource;
this.owner = owner;
// log important stuff to standard out as long as nothing else is configured
this.loggerFacade = new PrintWriterLogger(new PrintWriter(System.out), "WebDAVXAResource", false);
}
protected LoggerFacade getLoggerFacade() {
return loggerFacade;
}
protected void setLoggerFacade(PrintWriter out) {
loggerFacade = new PrintWriterLogger(out, "WebDAVXAResource", true);
}
public int getTransactionTimeout() throws XAException {
return timeout;
}
public boolean setTransactionTimeout(int seconds) throws XAException {
timeout = seconds;
return true;
}
public boolean isSameRM(XAResource xares) throws XAException {
return (xares != null && xares instanceof WebDAVXAResource && webdavResource
.equals(((WebDAVXAResource) xares).webdavResource));
}
public Xid[] recover(int flag) throws XAException {
// FIXME no idea how to recover anything here
return null;
}
protected TransactionalResource createTransactionResource(Xid xid) throws Exception {
return new TransactionalWebDAVResource(xid, webdavResource, owner, timeout, getLoggerFacade());
}
protected boolean includeBranchInXid() {
return true;
}
protected static class TransactionalWebDAVResource extends AbstractTransactionalResource {
WebdavResource webdavResource;
LoggerFacade loggerFacade;
public TransactionalWebDAVResource(Xid xid, WebdavResource webdavResource, String owner, int timeout, LoggerFacade loggerFacade) throws IOException {
super(xid);
this.webdavResource = webdavResource;
System.out.println("Statring "+webdavResource);
webdavResource.startTransaction(owner, timeout);
this.loggerFacade = loggerFacade;
}
public void commit() throws XAException {
try {
webdavResource.commitTransaction();
} catch (IOException e) {
loggerFacade.logWarning("Could not commit transaction", e);
throw new XAException("Could not commit transaction");
}
}
public void rollback() throws XAException {
try {
webdavResource.abortTransaction();
} catch (IOException e) {
loggerFacade.logWarning("Could not roll back transaction", e);
throw new XAException("Could not roll back transaction");
}
}
public int prepare() throws XAException {
return XA_OK;
}
public void begin() throws XAException {
}
public void resume() throws XAException {
}
public void suspend() throws XAException {
}
}
}