Record.java

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/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   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 .
 */

package org.openoffice.xmerge.converter.palm;

import java.io.OutputStream;
import java.io.InputStream;
import java.io.DataOutputStream;
import java.io.DataInputStream;
import java.io.IOException;

public final class Record {

    private byte[] data;

    private byte attributes = 0;

    public Record() {
        data = new byte[0];
    }

    public Record(byte[] d) {
        this(d, (byte) 0);
    }

    public Record(byte[] d, byte attrs) {
        data = new byte[d.length];
        attributes = attrs;
        System.arraycopy(d, 0, data, 0, d.length);
    }

    public int getSize() {
        return data.length;
    }

    public byte[] getBytes() {
        return data;
    }

    public byte getAttributes() {
        return attributes;
    }

    public void write(OutputStream outs) throws IOException {
        DataOutputStream out = new DataOutputStream(outs);
        out.writeByte(attributes);
        out.writeShort(data.length);
        out.write(data);
    }

    public void read(InputStream ins) throws IOException {
        DataInputStream in = new DataInputStream(ins);
        attributes = in.readByte();
        int len = in.readUnsignedShort();
        data = new byte[len];
        in.readFully(data);
    }

    @Override
    public boolean equals(Object obj) {
        if (!(obj instanceof Record)) {
            return false;
        }
        Record rec = (Record) obj;
        if (rec.getAttributes() != attributes) {
            return false;
        }
        if (rec.getSize() == data.length) {
            for (int i = 0; i < data.length; i++) {
                if (data[i] != rec.data[i]) {
                    return false;
                }
            }
        }
        return false;
    }

    @Override
    public int hashCode() {
        return 0;
    }

}