001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.commons.imaging.common; 018 019import java.io.IOException; 020import java.io.OutputStream; 021import java.util.Arrays; 022 023public class BinaryConstant { 024 private final byte[] value; 025 026 public BinaryConstant(final byte[] value) { 027 this.value = value.clone(); 028 } 029 030 @Override 031 public boolean equals(final Object obj) { 032 if (obj == null) { 033 return false; 034 } 035 if (!(obj instanceof BinaryConstant)) { 036 return false; 037 } 038 final BinaryConstant other = (BinaryConstant) obj; 039 return equals(other.value); 040 } 041 042 public boolean equals(final byte[] bytes) { 043 return Arrays.equals(value, bytes); 044 } 045 046 public boolean equals(final byte[] bytes, final int offset, final int length) { 047 if (value.length != length) { 048 return false; 049 } 050 for (int i = 0; i < length; i++) { 051 if (value[i] != bytes[offset + i]) { 052 return false; 053 } 054 } 055 return true; 056 } 057 058 @Override 059 public int hashCode() { 060 return Arrays.hashCode(value); 061 } 062 063 public byte get(final int i) { 064 return value[i]; 065 } 066 067 public int size() { 068 return value.length; 069 } 070 071 public byte[] toByteArray() { 072 return value.clone(); 073 } 074 075 public void writeTo(final OutputStream os) throws IOException { 076 for (final byte element : value) { 077 os.write(element); 078 } 079 } 080}