    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.formats.jpeg.iptc;
    018
    019import java.util.Objects;
    020
    021/**
    022 * Represents an IPTC block, a set of key-value pairs of Photoshop IPTC data.
    023 */
    024public class IptcBlock {
    025    // N.B. The class is used in public API parameter types
    026
    027    private final int blockType;
    028    private final byte[] blockNameBytes;
    029    private final byte[] blockData;
    030
    031    public IptcBlock(final int blockType, final byte[] blockNameBytes, final byte[] blockData) {
    032        Objects.requireNonNull(blockNameBytes, "Block name bytes must not be null.");
    033        Objects.requireNonNull(blockNameBytes, "Block data bytes must not be null.");
    034        this.blockData = blockData;
    035        this.blockNameBytes = blockNameBytes;
    036        this.blockType = blockType;
    037    }
    038
    039    public int getBlockType() {
    040        return blockType;
    041    }
    042
    043    public byte[] getBlockNameBytes() {
    044        return blockNameBytes.clone();
    045    }
    046
    047    public byte[] getBlockData() {
    048        return blockData.clone();
    049    }
    050
    051
    052    public boolean isIPTCBlock() {
    053        return blockType == IptcConstants.IMAGE_RESOURCE_BLOCK_IPTC_DATA;
    054    }
    055}