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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.hwpf.model;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.Arrays;
import org.apache.poi.util.Internal;
import org.apache.poi.util.LittleEndian;
import org.apache.poi.util.LittleEndianConsts;
/**
* The LFOData structure contains the Main Document CP of the corresponding LFO,
* as well as an array of LVL override data.
*/
@Internal
public class LFOData
{
private int _cp;
private ListFormatOverrideLevel[] _rgLfoLvl;
public LFOData()
{
_cp = 0;
_rgLfoLvl = new ListFormatOverrideLevel[0];
}
LFOData( byte[] buf, int startOffset, int cLfolvl ) {
if (cLfolvl < 0) {
throw new IllegalArgumentException("Cannot create LFOData with negative count");
}
int offset = startOffset;
_cp = LittleEndian.getInt( buf, offset );
offset += LittleEndianConsts.INT_SIZE;
_rgLfoLvl = new ListFormatOverrideLevel[cLfolvl];
for ( int x = 0; x < cLfolvl; x++ )
{
_rgLfoLvl[x] = new ListFormatOverrideLevel( buf, offset );
offset += _rgLfoLvl[x].getSizeInBytes();
}
}
public int getCp()
{
return _cp;
}
public ListFormatOverrideLevel[] getRgLfoLvl()
{
return _rgLfoLvl;
}
public int getSizeInBytes()
{
int result = 0;
result += LittleEndianConsts.INT_SIZE;
for ( ListFormatOverrideLevel lfolvl : _rgLfoLvl )
result += lfolvl.getSizeInBytes();
return result;
}
void writeTo( ByteArrayOutputStream tableStream ) throws IOException
{
LittleEndian.putInt( _cp, tableStream );
for ( ListFormatOverrideLevel lfolvl : _rgLfoLvl )
{
tableStream.write( lfolvl.toByteArray() );
}
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
LFOData lfoData = (LFOData) o;
if (_cp != lfoData._cp) return false;
// Probably incorrect - comparing Object[] arrays with Arrays.equals
return Arrays.equals(_rgLfoLvl, lfoData._rgLfoLvl);
}
@Override
public int hashCode() {
return Arrays.deepHashCode(_rgLfoLvl);
}
}
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