/*
* Copyright 2010-2014 Amazon.com, Inc. or its affiliates. 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.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file 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.amazonaws.services.s3.model;
import com.amazonaws.event.DeliveryMode;
/**
* A proxy class that wraps the deprecated S3 progress listener and implements
* the new {@link com.amazonaws.event.ProgressListener} interface.
*
* @see ProgressListener
* @see com.amazonaws.event.ProgressListener
*/
@Deprecated
public class LegacyS3ProgressListener implements
com.amazonaws.event.ProgressListener, DeliveryMode {
private final ProgressListener listener;
private final boolean syncCallSafe;
public LegacyS3ProgressListener(final ProgressListener listener) {
this.listener = listener;
if (listener instanceof DeliveryMode) {
DeliveryMode mode = (DeliveryMode)listener;
syncCallSafe = mode.isSyncCallSafe();
} else
syncCallSafe = false;
}
public ProgressListener unwrap() {
return listener;
}
public void progressChanged(com.amazonaws.event.ProgressEvent progressEvent) {
if (listener == null) return;
listener.progressChanged(adaptToLegacyEvent(progressEvent));
}
private ProgressEvent adaptToLegacyEvent(com.amazonaws.event.ProgressEvent event) {
long bytes = event.getBytesTransferred();
if (bytes != 0) {
return new ProgressEvent((int)bytes);
} else {
return new ProgressEvent(event.getEventType());
}
}
@Override public boolean isSyncCallSafe() { return syncCallSafe; }
}