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Apache POI - Java API To Access Microsoft Format Files

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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.poi.hssf.record;

import org.apache.poi.util.LittleEndianInput;
import org.apache.poi.util.LittleEndianOutput;

/**
 * ftEnd (0x0000)
 * 
 * The end data record is used to denote the end of the subrecords.
 */
public final class EndSubRecord extends SubRecord implements Cloneable {
    // Note - zero sid is somewhat unusual (compared to plain Records)
    public final static short sid = 0x0000;
    private static final int ENCODED_SIZE = 0;

    public EndSubRecord()
    {

    }

    /**
     * @param in unused (since this record has no data)
     * @param size must be 0
     */
    public EndSubRecord(LittleEndianInput in, int size) {
        if ((size & 0xFF) != ENCODED_SIZE) { // mask out random crap in upper byte
            throw new RecordFormatException("Unexpected size (" + size + ")");
        }
    }

    @Override
    public boolean isTerminating(){
        return true;
    }

    public String toString()
    {
        StringBuffer buffer = new StringBuffer();

        buffer.append("[ftEnd]\n");

        buffer.append("[/ftEnd]\n");
        return buffer.toString();
    }

    public void serialize(LittleEndianOutput out) {
        out.writeShort(sid);
        out.writeShort(ENCODED_SIZE);
    }

	protected int getDataSize() {
        return ENCODED_SIZE;
    }

    public short getSid()
    {
        return sid;
    }

    @Override
    public EndSubRecord clone() {
        EndSubRecord rec = new EndSubRecord();
    
        return rec;
    }
}