| /* ==================================================================== |
| 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.hslf.record; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.util.Arrays; |
| |
| import org.apache.poi.util.LittleEndian; |
| |
| /** |
| * If we come across a record we know has children of (potential) |
| * interest, but where the record itself is boring, but where other |
| * records may care about where this one lives, we create one |
| * of these. It allows us to get at the children, and track where on |
| * disk this is, but not much else. |
| * Anything done using this should quite quickly be transitioned to its |
| * own proper record class! |
| * |
| * @author Nick Burch |
| */ |
| |
| public final class DummyPositionSensitiveRecordWithChildren extends PositionDependentRecordContainer |
| { |
| private byte[] _header; |
| private long _type; |
| |
| /** |
| * Create a new holder for a boring record with children, but with |
| * position dependent characteristics |
| */ |
| protected DummyPositionSensitiveRecordWithChildren(byte[] source, int start, int len) { |
| // Just grab the header, not the whole contents |
| _header = Arrays.copyOfRange(source,start,start+8); |
| _type = LittleEndian.getUShort(_header,2); |
| |
| // Find our children |
| _children = Record.findChildRecords(source,start+8,len-8); |
| } |
| |
| /** |
| * Return the value we were given at creation |
| */ |
| public long getRecordType() { return _type; } |
| |
| /** |
| * Write the contents of the record back, so it can be written |
| * to disk |
| */ |
| public void writeOut(OutputStream out) throws IOException { |
| writeOut(_header[0],_header[1],_type,_children,out); |
| } |
| } |