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