org.apache.sanselan.formats.tiff.TiffElement Maven / Gradle / Ivy

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.sanselan.formats.tiff;

import java.util.Comparator;

public abstract class TiffElement
{
    public final int offset;
    public final int length;

    public TiffElement(int offset, int length)
    {
        this.offset = offset;
        this.length = length;
    }

    public String getElementDescription()
    {
        return getElementDescription(false);
    }

    public abstract String getElementDescription(boolean verbose);

    public static final Comparator COMPARATOR = new Comparator()
    {
        public int compare(Object o1, Object o2)
        {
            TiffElement e1 = (TiffElement) o1;
            TiffElement e2 = (TiffElement) o2;
            return e1.offset - e2.offset;
        }
    };

    public static abstract class DataElement extends TiffElement
    {
        public final byte data[];

        public DataElement(int offset, int length, final byte data[])
        {
            super(offset, length);

            this.data = data;
        }

    }

    public static final class Stub extends TiffElement
    {
        public Stub(int offset, int length)
        {
            super(offset, length);
        }

        public String getElementDescription(boolean verbose)
        {
            return "Element, offset: " + offset + ", length: " + length
                    + ", last: " + (offset + length) + "";
        }

    }
}