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/*
* Copyright 2008 CoreMedia AG, Hamburg
*
* Licensed 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 com.coremedia.iso.boxes;
import com.coremedia.iso.IsoTypeReader;
import com.coremedia.iso.IsoTypeWriter;
import com.coremedia.iso.Utf8;
import com.googlecode.mp4parser.AbstractFullBox;
import java.nio.ByteBuffer;
/**
* List of keywords according to 3GPP 26.244.
*/
public class KeywordsBox extends AbstractFullBox {
public static final String TYPE = "kywd";
private String language;
private String[] keywords;
public KeywordsBox() {
super(TYPE);
}
public String getLanguage() {
return language;
}
public String[] getKeywords() {
return keywords;
}
public void setLanguage(String language) {
this.language = language;
}
public void setKeywords(String[] keywords) {
this.keywords = keywords;
}
protected long getContentSize() {
long contentSize = 7;
for (String keyword : keywords) {
contentSize += 1 + Utf8.utf8StringLengthInBytes(keyword) + 1;
}
return contentSize;
}
@Override
public void _parseDetails(ByteBuffer content) {
parseVersionAndFlags(content);
language = IsoTypeReader.readIso639(content);
int keywordCount = IsoTypeReader.readUInt8(content);
keywords = new String[keywordCount];
for (int i = 0; i < keywordCount; i++) {
IsoTypeReader.readUInt8(content);
keywords[i] = IsoTypeReader.readString(content);
}
}
@Override
protected void getContent(ByteBuffer byteBuffer) {
writeVersionAndFlags(byteBuffer);
IsoTypeWriter.writeIso639(byteBuffer, language);
IsoTypeWriter.writeUInt8(byteBuffer, keywords.length);
for (String keyword : keywords) {
IsoTypeWriter.writeUInt8(byteBuffer, Utf8.utf8StringLengthInBytes(keyword) + 1);
byteBuffer.put(Utf8.convert(keyword));
}
}
public String toString() {
StringBuffer buffer = new StringBuffer();
buffer.append("KeywordsBox[language=").append(getLanguage());
for (int i = 0; i < keywords.length; i++) {
buffer.append(";keyword").append(i).append("=").append(keywords[i]);
}
buffer.append("]");
return buffer.toString();
}
}
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