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Amazon Web Services SDK for Android
/*
* Copyright 2014-2014 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.auth;
class ChunkContentIterator {
private final byte[] signedChunk;
private int pos;
public ChunkContentIterator(byte[] signedChunk) {
this.signedChunk = signedChunk;
}
public boolean hasNext() {
return pos < signedChunk.length;
}
public int read(byte[] output, int offset, int length) {
if (length == 0)
return 0;
if ( !hasNext() )
return -1;
int remaingBytesNum = signedChunk.length - pos;
int bytesToRead = Math.min(remaingBytesNum, length);
System.arraycopy(signedChunk, pos, output, offset, bytesToRead);
pos += bytesToRead;
return bytesToRead;
}
}