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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.BitField;
import org.apache.poi.util.BitFieldFactory;
import org.apache.poi.util.HexDump;
import org.apache.poi.util.LittleEndianOutput;

/**
 * Title:        Protection Revision 4 Record (0x01AF)
 * Description:  describes whether this is a protected shared/tracked workbook
 * REFERENCE:  PG 373 Microsoft Excel 97 Developer's Kit (ISBN: 1-57231-498-2)
 */
public final class ProtectionRev4Record extends StandardRecord {
    public final static short sid = 0x01AF;

    private static final BitField protectedFlag = BitFieldFactory.getInstance(0x0001);

    private int _options;

    private ProtectionRev4Record(int options) {
        _options = options;
    }

    public ProtectionRev4Record(boolean protect) {
        this(0);
        setProtect(protect);
    }

    public ProtectionRev4Record(RecordInputStream in) {
        this(in.readUShort());
    }

    /**
     * set whether the this is protected shared/tracked workbook or not
     * @param protect  whether to protect the workbook or not
     */
    public void setProtect(boolean protect) {
        _options = protectedFlag.setBoolean(_options, protect);
    }

    /**
     * get whether the this is protected shared/tracked workbook or not
     * @return whether to protect the workbook or not
     */
    public boolean getProtect() {
        return protectedFlag.isSet(_options);
    }

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

        buffer.append("[PROT4REV]\n");
        buffer.append("    .options = ").append(HexDump.shortToHex(_options)).append("\n");
        buffer.append("[/PROT4REV]\n");
        return buffer.toString();
    }

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

    protected int getDataSize() {
        return 2;
    }

    public short getSid() {
        return sid;
    }
}