poi/src/scratchpad/src/org/apache/poi/hslf/record/ExMCIMovie.java

101 lines
3.2 KiB
Java
Executable File

/*
* 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 org.apache.poi.util.LittleEndian;
import org.apache.poi.util.POILogger;
/**
* A container record that specifies information about a movie stored externally.
*
* @author Yegor Kozlov
*/
public class ExMCIMovie extends RecordContainer {
private byte[] _header;
//An ExVideoContainer record that specifies information about the MCI movie
private ExVideoContainer exVideo;
/**
* Set things up, and find our more interesting children
*/
protected ExMCIMovie(byte[] source, int start, int len) {
// Grab the header
_header = new byte[8];
System.arraycopy(source, start, _header, 0, 8);
// Find our children
_children = Record.findChildRecords(source, start + 8, len - 8);
findInterestingChildren();
}
/**
* Create a new ExMCIMovie, with blank fields
*/
public ExMCIMovie() {
_header = new byte[8];
// Setup our header block
_header[0] = 0x0f; // We are a container record
LittleEndian.putShort(_header, 2, (short) getRecordType());
exVideo = new ExVideoContainer();
_children = new Record[]{exVideo};
}
/**
* Go through our child records, picking out the ones that are
* interesting, and saving those for use by the easy helper
* methods.
*/
private void findInterestingChildren() {
// First child should be the ExVideoContainer
if (_children[0] instanceof ExVideoContainer) {
exVideo = (ExVideoContainer) _children[0];
} else {
logger.log(POILogger.ERROR, "First child record wasn't a ExVideoContainer, was of type " + _children[0].getRecordType());
}
}
/**
* We are of type 4103
*/
public long getRecordType() {
return RecordTypes.ExMCIMovie.typeID;
}
/**
* 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], getRecordType(), _children, out);
}
/**
* Returns the ExVideoContainer that specifies information about the MCI movie
*/
public ExVideoContainer getExVideo() {
return exVideo; }
}