org.jets3t.service.multithread.S3ServiceEventAdaptor Maven / Gradle / Ivy
/*
* JetS3t : Java S3 Toolkit
* Project hosted at http://bitbucket.org/jmurty/jets3t/
*
* Copyright 2006-2010 James Murty
*
* 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.jets3t.service.multithread;
/**
* Simple implementation of {@link S3ServiceEventListener} to listen for events produced by
* {@link S3ServiceMulti}.
*
* By default this adaptor does nothing but store the first Error event it comes across, if any,
* and make it available through {@link #getErrorThrown}.
*
*
* The behaviour of this class can be specialised by over-riding the appropriate
* s3ServiceEventPerformed methods, though always be sure to call the super
* version of these methods if you are relying on the default error-trapping functions of this
* class.
*
*
* @author James Murty
*/
public class S3ServiceEventAdaptor implements S3ServiceEventListener {
private Throwable t[] = new Throwable[1];
public void s3ServiceEventPerformed(ListObjectsEvent event) {
storeThrowable(event);
}
public void s3ServiceEventPerformed(CreateObjectsEvent event) {
storeThrowable(event);
}
public void s3ServiceEventPerformed(CopyObjectsEvent event) {
storeThrowable(event);
}
public void s3ServiceEventPerformed(CreateBucketsEvent event) {
storeThrowable(event);
}
public void s3ServiceEventPerformed(DeleteObjectsEvent event) {
storeThrowable(event);
}
public void s3ServiceEventPerformed(DeleteVersionedObjectsEvent event) {
storeThrowable(event);
}
public void s3ServiceEventPerformed(GetObjectsEvent event) {
storeThrowable(event);
}
public void s3ServiceEventPerformed(GetObjectHeadsEvent event) {
storeThrowable(event);
}
public void s3ServiceEventPerformed(LookupACLEvent event) {
storeThrowable(event);
}
public void s3ServiceEventPerformed(UpdateACLEvent event) {
storeThrowable(event);
}
public void s3ServiceEventPerformed(DownloadObjectsEvent event) {
storeThrowable(event);
}
protected void storeThrowable(ServiceEvent event) {
if (t[0] == null && event.getEventCode() == ServiceEvent.EVENT_ERROR) {
t[0] = event.getErrorCause();
}
}
/**
* @return
* true if an event has resulted in an exception.
*/
public boolean wasErrorThrown() {
return t[0] != null;
}
/**
* @return
* the first error thrown by an event, or null if no error has been thrown.
*/
public Throwable getErrorThrown() {
return t[0];
}
}