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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:        Refresh All Record (0x01B7)
 * Description:  Flag whether to refresh all external data when loading a sheet.
 *               (which hssf doesn't support anyhow so who really cares?)
 * REFERENCE:  PG 376 Microsoft Excel 97 Developer's Kit (ISBN: 1-57231-498-2)
 */
public final class RefreshAllRecord extends StandardRecord {
    public final static short sid = 0x01B7;

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

    private int _options;

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

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

    public RefreshAllRecord(boolean refreshAll) {
        this(0);
        setRefreshAll(refreshAll);
    }

    /**
     * set whether to refresh all external data when loading a sheet
     * @param refreshAll or not
     */
    public void setRefreshAll(boolean refreshAll) {
        _options = refreshFlag.setBoolean(_options, refreshAll);
    }

    /**
     * get whether to refresh all external data when loading a sheet
     * @return refreshall or not
     */
    public boolean getRefreshAll() {
        return refreshFlag.isSet(_options);
    }

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

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

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

    protected int getDataSize() {
        return 2;
    }

    public short getSid() {
        return sid;
    }
    @Override
    public Object clone() {
        return new RefreshAllRecord(_options);
    }
}