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The Adobe Experience Manager SDK

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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.ddf;

import org.apache.poi.util.Internal;

/**
 * The opt record is used to store property values for a shape. It is the key to
 * determining the attributes of a shape. Properties can be of two types: simple
 * or complex. Simple types are fixed length. Complex properties are variable
 * length.
 */
public class EscherOptRecord extends AbstractEscherOptRecord {
    public static final short RECORD_ID = EscherRecordTypes.OPT.typeID;
    public static final String RECORD_DESCRIPTION = EscherRecordTypes.OPT.description;

    public EscherOptRecord() {}

    public EscherOptRecord(EscherOptRecord other) {
        super(other);
    }


    @Override
    public short getInstance()
    {
        setInstance( (short) getEscherProperties().size() );
        return super.getInstance();
    }

    /**
     * Automatically recalculate the correct option
     */
    @Override
    @Internal
    public short getOptions()
    {
        // update values
        getInstance();
        getVersion();
        return super.getOptions();
    }

    @Override
    public String getRecordName() {
        return EscherRecordTypes.OPT.recordName;
    }

    @Override
    public short getVersion()
    {
        setVersion( (short) 0x3 );
        return super.getVersion();
    }

    @Override
    public void setVersion( short value )
    {
        if ( value != 0x3 ) {
            throw new IllegalArgumentException( RECORD_DESCRIPTION
                    + " can have only '0x3' version" );
        }

        super.setVersion( value );
    }

    @Override
    public Enum getGenericRecordType() {
        return EscherRecordTypes.OPT;
    }

    @Override
    public EscherOptRecord copy() {
        return new EscherOptRecord(this);
    }
}