
com.amazonaws.event.request.ProgressSupport Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of aws-java-sdk-osgi Show documentation
Show all versions of aws-java-sdk-osgi Show documentation
The AWS SDK for Java with support for OSGi. The AWS SDK for Java provides Java APIs for building software on AWS' cost-effective, scalable, and reliable infrastructure products. The AWS Java SDK allows developers to code against APIs for all of Amazon's infrastructure web services (Amazon S3, Amazon EC2, Amazon SQS, Amazon Relational Database Service, Amazon AutoScaling, etc).
/*
* Copyright 2014-2016 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.event.request;
import org.apache.http.annotation.ThreadSafe;
/**
* An actual implementation to represent the progress of a request/response.
*/
@ThreadSafe
public class ProgressSupport extends Progress {
/* Request transfer progress */
private volatile long requestContentLength = -1;
private volatile long requestBytesTransferred;
/* Response transfer progress */
private volatile long responseContentLength = -1;
private volatile long responseBytesTransferred;
private static final Object lock = new Object();
/**
* Returns the number of bytes to be expected in the request, or -1 if the
* number is unknown (e.g. when the request is still not serialized yet, or
* when the request contains raw InputStream as the payload in which case
* the SDK cannot infer the content-length in advance).
*/
@Override
public long getRequestContentLength() {
return requestContentLength;
}
/**
* Adds the number of bytes to be expected in the request.
*/
@Override
public void addRequestContentLength(long contentLength) {
if (contentLength < 0)
throw new IllegalArgumentException();
synchronized(lock) {
if (this.requestContentLength == -1)
this.requestContentLength = contentLength;
else
this.requestContentLength += contentLength;
}
}
/**
* Returns the number of bytes that have been transferred in the request.
*/
@Override
public long getRequestBytesTransferred() {
return requestBytesTransferred;
}
/**
* Returns the number of bytes to be expected in the response, or -1 if the
* number is unknown (e.g. when the client hasn't received the response
* yet).
*/
@Override
public long getResponseContentLength() {
return responseContentLength;
}
/**
* Adds the number of bytes to be expected in the response.
*/
@Override
public void addResponseContentLength(long contentLength) {
if (contentLength < 0)
throw new IllegalArgumentException();
synchronized(lock) {
if (this.responseContentLength == -1)
this.responseContentLength = contentLength;
else
this.responseContentLength += contentLength;
}
}
/**
* Returns the number of bytes that have been transferred in the response.
*/
@Override
public long getResponseBytesTransferred() {
return responseBytesTransferred;
}
@Override
public void addRequestBytesTransferred(long bytes) {
synchronized (lock) {
requestBytesTransferred += bytes;
}
}
@Override
public void addResponseBytesTransferred(long bytes) {
synchronized(lock) {
responseBytesTransferred += bytes;
}
}
@Override
public String toString() {
return String.format("Request: %d/%d, Response: %d/%d",
requestBytesTransferred, requestContentLength,
responseBytesTransferred, responseContentLength);
}
@Override
public final boolean isEnabled() { return true; }
}
© 2015 - 2025 Weber Informatics LLC | Privacy Policy