/*
* myLib - https://github.com/taktod/myLib
* Copyright (c) 2014 ttProject. All rights reserved.
*
* Licensed under The MIT license.
*/
package com.ttProject.container.mkv;
import java.nio.ByteBuffer;
import java.nio.charset.Charset;
import com.ttProject.nio.channels.IReadChannel;
import com.ttProject.unit.extra.BitConnector;
import com.ttProject.unit.extra.EbmlValue;
import com.ttProject.util.BufferUtil;
/**
* mkvUtf8Tag
* @author taktod
*/
public abstract class MkvUtf8Tag extends MkvTag{
private String value;
/**
* constructor
* @param id
* @param size
*/
public MkvUtf8Tag(Type id, EbmlValue size) {
super(id, size);
}
/**
* {@inheritDoc}
*/
@Override
public void load(IReadChannel channel) throws Exception {
value = new String(BufferUtil.safeRead(channel, getMkvSize()).array(), Charset.forName("Utf8")).intern();
super.load(channel);
super.update();
}
public String getValue() {
return value;
}
public void setValue(String data) {
value = data;
getTagSize().set(value.getBytes().length);
super.update();
}
@Override
protected void requestUpdate() throws Exception {
if(value == null) {
throw new Exception("value is not defined.");
}
BitConnector connector = new BitConnector();
ByteBuffer data = BufferUtil.connect(connector.connect(getTagId(), getTagSize()), ByteBuffer.wrap(value.getBytes()));
setSize(data.remaining());
super.setData(data);
}
/**
* {@inheritDoc}
*/
@Override
public String toString(String space) {
StringBuilder data = new StringBuilder();
data.append(super.toString(space));
data.append(" string:").append(value);
return data.toString();
}
}