| /* ==================================================================== |
| 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<EscherRecord> ec = new ArrayList<EscherRecord>(); |
| 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<records.length; i++) { |
| size += records[i].getRecordSize(); |
| } |
| |
| data = new byte[size]; |
| size = 0; |
| for(int i=0; i<records.length; i++) { |
| int thisSize = |
| records[i].serialize(size, data); |
| size += thisSize; |
| } |
| } |
| } |