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xylophone - LGPL Java library
/* ====================================================================
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.hpbf.model;
import java.io.IOException;
import java.util.ArrayList;
import org.apache.poi.ddf.DefaultEscherRecordFactory;
import org.apache.poi.ddf.EscherRecord;
import org.apache.poi.poifs.filesystem.DirectoryNode;
/**
* Parent class of all Escher parts
*/
public abstract class EscherPart extends HPBFPart {
private EscherRecord[] records;
/**
* Creates the Escher Part, and finds our child
* escher records
*/
public EscherPart(DirectoryNode baseDir, String[] parts) throws IOException {
super(baseDir, parts);
// Now create our Escher children
DefaultEscherRecordFactory erf =
new DefaultEscherRecordFactory();
ArrayList ec = new ArrayList();
byte data[] = getData();
int left = data.length;
while(left > 0) {
EscherRecord er = erf.createRecord(data, 0);
er.fillFields(data, 0, erf);
left -= er.getRecordSize();
ec.add(er);
}
records = ec.toArray(new EscherRecord[ec.size()]);
}
public EscherRecord[] getEscherRecords() {
return records;
}
/**
* Serialises our Escher children back
* into bytes.
*/
protected void generateData() {
int size = 0;
for(int i=0; i