    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.tiff;
    018
    019import java.util.Comparator;
    020
    021public abstract class AbstractTiffElement {
    022    public abstract static class DataElement extends AbstractTiffElement {
    023        private final byte[] data;
    024
    025        public DataElement(final long offset, final int length, final byte[] data) {
    026            super(offset, length);
    027
    028            this.data = data;
    029        }
    030
    031        public byte[] getData() {
    032            return data.clone();
    033        }
    034
    035        public int getDataLength() {
    036            return data.length;
    037        }
    038    }
    039
    040    public static final class Stub extends AbstractTiffElement {
    041        public Stub(final long offset, final int length) {
    042            super(offset, length);
    043        }
    044
    045        @Override
    046        public String getElementDescription() {
    047            return "Element, offset: " + offset + ", length: " + length + ", last: " + (offset + length);
    048        }
    049
    050    }
    051
    052    public static final Comparator<AbstractTiffElement> COMPARATOR = Comparator.comparingLong(e -> e.offset);
    053
    054    public final long offset;
    055
    056    public final int length;
    057
    058    public AbstractTiffElement(final long offset, final int length) {
    059        this.offset = offset;
    060        this.length = length;
    061    }
    062
    063    public abstract String getElementDescription();
    064}