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// Copyright 2016 Google Inc. 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.
// 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 com.google.archivepatcher.generator;
import java.util.Arrays;
/**
* Holds an array of bytes, implementing {@link #equals(Object)}, {@link #hashCode()} with deep
* comparisons. This is intended primarily to allow raw, uninterpreted paths from
* {@link MinimalZipEntry#getFileNameBytes()} to be used as map keys safely.
*/
public class ByteArrayHolder {
/**
* The backing byte array.
*/
private final byte[] data;
/**
* Construct a new wrapper around the specified bytes.
* @param data the byte array
*/
public ByteArrayHolder(byte[] data) {
this.data = data;
}
/**
* Returns the actual byte array that backs the text.
* @return the array
*/
public byte[] getData() {
return data;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + Arrays.hashCode(data);
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (obj == null) return false;
if (getClass() != obj.getClass()) return false;
ByteArrayHolder other = (ByteArrayHolder) obj;
if (!Arrays.equals(data, other.data)) return false;
return true;
}
}
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