    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 BinaryConstant clone() throws CloneNotSupportedException {
    032        return (BinaryConstant) super.clone();
    033    }
    034
    035    @Override
    036    public boolean equals(final Object obj) {
    037        if (obj == null) {
    038            return false;
    039        }
    040        if (!(obj instanceof BinaryConstant)) {
    041            return false;
    042        }
    043        final BinaryConstant other = (BinaryConstant) obj;
    044        return equals(other.value);
    045    }
    046
    047    public boolean equals(final byte[] bytes) {
    048        return Arrays.equals(value, bytes);
    049    }
    050
    051    public boolean equals(final byte[] bytes, final int offset, final int length) {
    052        if (value.length != length) {
    053            return false;
    054        }
    055        for (int i = 0; i < length; i++) {
    056            if (value[i] != bytes[offset + i]) {
    057                return false;
    058            }
    059        }
    060        return true;
    061    }
    062
    063    @Override
    064    public int hashCode() {
    065        return Arrays.hashCode(value);
    066    }
    067
    068    public byte get(final int i) {
    069        return value[i];
    070    }
    071
    072    public int size() {
    073        return value.length;
    074    }
    075
    076    public byte[] toByteArray() {
    077        return value.clone();
    078    }
    079
    080    public void writeTo(final OutputStream os) throws IOException {
    081        for (final byte element : value) {
    082            os.write(element);
    083        }
    084    }
    085}