85 lines
2.9 KiB
Java
85 lines
2.9 KiB
Java
/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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package org.apache.poi.hpsf;
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import java.io.IOException;
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import java.io.OutputStream;
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import org.apache.poi.util.Internal;
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import org.apache.poi.util.LittleEndian;
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import org.apache.poi.util.POILogFactory;
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import org.apache.poi.util.POILogger;
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@Internal
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class ClipboardData
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{
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private static final POILogger logger = POILogFactory
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.getLogger( ClipboardData.class );
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private int _format;
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private byte[] _value;
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ClipboardData( byte[] data, int offset )
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{
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int size = LittleEndian.getInt( data, offset );
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if ( size < 4 )
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{
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logger.log( POILogger.WARN, "ClipboardData at offset ",
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Integer.valueOf( offset ), " size less than 4 bytes "
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+ "(doesn't even have format field!). "
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+ "Setting to format == 0 and hope for the best" );
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_format = 0;
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_value = new byte[0];
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return;
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}
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_format = LittleEndian.getInt( data, offset + LittleEndian.INT_SIZE );
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_value = LittleEndian.getByteArray( data, offset
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+ LittleEndian.INT_SIZE * 2, size - LittleEndian.INT_SIZE );
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}
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int getSize()
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{
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return LittleEndian.INT_SIZE * 2 + _value.length;
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}
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byte[] getValue()
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{
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return _value;
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}
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byte[] toByteArray()
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{
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byte[] result = new byte[getSize()];
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LittleEndian.putInt( result, 0 * LittleEndian.INT_SIZE,
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LittleEndian.INT_SIZE + _value.length );
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LittleEndian.putInt( result, 1 * LittleEndian.INT_SIZE, _format );
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System.arraycopy( _value, 0, result, LittleEndian.INT_SIZE
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+ LittleEndian.INT_SIZE, _value.length );
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return result;
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}
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int write( OutputStream out ) throws IOException
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{
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LittleEndian.putInt( LittleEndian.INT_SIZE + _value.length, out );
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LittleEndian.putInt( _format, out );
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out.write( _value );
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return 2 * LittleEndian.INT_SIZE + _value.length;
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}
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}
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