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