109 lines
3.4 KiB
Java
Executable File
109 lines
3.4 KiB
Java
Executable File
/*
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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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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.hslf.record;
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import java.io.IOException;
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import java.io.OutputStream;
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import org.apache.poi.util.LittleEndian;
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import org.apache.poi.util.POILogger;
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/**
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* A container record that specifies information about external video data.
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*
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* @author Yegor Kozlov
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*/
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public class ExVideoContainer extends RecordContainer {
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private byte[] _header;
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// Links to our more interesting children
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private ExMediaAtom mediaAtom;
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//the UNC or local path to a video file.
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private CString pathAtom;
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/**
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* Set things up, and find our more interesting children
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*/
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protected ExVideoContainer(byte[] source, int start, int len) {
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// Grab the header
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_header = new byte[8];
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System.arraycopy(source,start,_header,0,8);
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// Find our children
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_children = Record.findChildRecords(source,start+8,len-8);
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findInterestingChildren();
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}
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/**
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* Go through our child records, picking out the ones that are
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* interesting, and saving those for use by the easy helper
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* methods.
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*/
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private void findInterestingChildren() {
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// First child should be the ExMediaAtom
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if(_children[0] instanceof ExMediaAtom) {
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mediaAtom = (ExMediaAtom)_children[0];
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} else {
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logger.log(POILogger.ERROR, "First child record wasn't a ExMediaAtom, was of type " + _children[0].getRecordType());
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}
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if(_children[1] instanceof CString) {
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pathAtom = (CString)_children[1];
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} else {
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logger.log(POILogger.ERROR, "Second child record wasn't a CString, was of type " + _children[1].getRecordType());
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}
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}
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/**
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* Create a new ExVideoContainer, with blank fields
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*/
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public ExVideoContainer() {
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// Setup our header block
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_header = new byte[8];
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_header[0] = 0x0f; // We are a container record
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LittleEndian.putShort(_header, 2, (short)getRecordType());
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_children = new Record[2];
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_children[0] = mediaAtom = new ExMediaAtom();
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_children[1] = pathAtom = new CString();
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}
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/**
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* We are of type 4103
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*/
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public long getRecordType() { return RecordTypes.ExVideoContainer.typeID; }
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/**
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* Write the contents of the record back, so it can be written
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* to disk
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*/
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public void writeOut(OutputStream out) throws IOException {
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writeOut(_header[0],_header[1],getRecordType(),_children,out);
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}
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/**
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* Returns the ExMediaAtom of this link
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*/
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public ExMediaAtom getExMediaAtom() { return mediaAtom; }
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/**
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* Returns the Path Atom (CString) of this link
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*/
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public CString getPathAtom() { return pathAtom; }
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}
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