123 lines
3.4 KiB
Java
123 lines
3.4 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.hssf.record;
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import org.apache.poi.util.LittleEndian;
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public class DrawingRecord extends Record
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{
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public static final short sid = 0xEC;
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private byte[] recordData;
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private byte[] contd;
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public DrawingRecord()
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{
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}
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public DrawingRecord( RecordInputStream in )
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{
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super( in );
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}
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/**
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* Checks the sid matches the expected side for this record
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*
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* @param id the expected sid.
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*/
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protected void validateSid(short id)
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{
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if (id != sid)
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{
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throw new RecordFormatException("Not a MSODRAWING record");
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}
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}
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protected void fillFields( RecordInputStream in )
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{
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recordData = in.readRemainder();
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}
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public void processContinueRecord( byte[] record )
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{
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//don't merge continue record with the drawing record, it must be serialized separately
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contd = record;
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}
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public int serialize( int offset, byte[] data )
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{
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if (recordData == null)
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{
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recordData = new byte[ 0 ];
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}
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LittleEndian.putShort(data, 0 + offset, sid);
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LittleEndian.putShort(data, 2 + offset, ( short ) (recordData.length));
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if (recordData.length > 0)
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{
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System.arraycopy(recordData, 0, data, 4 + offset, recordData.length);
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}
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return getRecordSize();
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}
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public int getRecordSize()
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{
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int retval = 4;
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if (recordData != null)
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{
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retval += recordData.length;
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}
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return retval;
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}
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public short getSid()
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{
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return sid;
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}
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public byte[] getData()
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{
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if(contd != null) {
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byte[] newBuffer = new byte[ recordData.length + contd.length ];
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System.arraycopy( recordData, 0, newBuffer, 0, recordData.length );
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System.arraycopy( contd, 0, newBuffer, recordData.length, contd.length);
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return newBuffer;
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} else {
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return recordData;
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}
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}
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public void setData( byte[] thedata )
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{
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this.recordData = thedata;
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}
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public Object clone() {
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DrawingRecord rec = new DrawingRecord();
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if (recordData != null) {
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rec.recordData = new byte[ recordData.length ];
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System.arraycopy(recordData, 0, rec.recordData, 0, recordData.length);
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}
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if (contd != null) {
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System.arraycopy(contd, 0, rec.contd, 0, contd.length);
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rec.contd = new byte[ contd.length ];
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}
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return rec;
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}
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} |