/*******************************************************************************
 * Copyright (c) 2013 Jens Kristian Villadsen.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 * 
 * Contributors:
 *     Jens Kristian Villadsen - Lead developer, owner and creator
 ******************************************************************************/
/*
 * Digital Audio Access Protocol (DAAP) Library
 * Copyright (C) 2004-2010 Roger Kapsi
 *
 * 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 org.dyndns.jkiddo.dmp.chunks;

import java.io.UnsupportedEncodingException;

import org.dyndns.jkiddo.dmp.IDmapProtocolDefinition.DmapTypeDefinition;
import org.dyndns.jkiddo.dmp.util.DmapUtil;

/**
 * This class implements a String chunk. DAAP Strings are encoded in UTF-8.
 * 
 * @author Roger Kapsi
 */
public abstract class StringChunk extends AbstractChunk
{

	protected String value;

	public StringChunk(final String type, final String name, final String value)
	{
		super(type, name);
		setValue(value);
	}

	public String getValue()
	{
		return value;
	}

	public void setValue(final String value)
	{
		this.value = value;
	}

	public byte[] getBytes()
	{
		final String value = this.value;

		if(value == null || value.length() == 0)
		{
			return new byte[0];
		}
		try
		{
			return value.getBytes(DmapUtil.UTF_8);
		}
		catch(final UnsupportedEncodingException err)
		{
			// Should never happen
			throw new RuntimeException(err);
		}
	}

	/**
	 * Returns {@see #STRING_TYPE}
	 */
	@Override
	public DmapTypeDefinition getType()
	{
		return DmapTypeDefinition.STRING_TYPE;
	}

	@Override
	public String toString(final int indent)
	{
		return indent(indent) + name + "(" + getContentCodeString() + "; string)=" + getValue();
	}
	
	@Override
	public void setObjectValue(final Object object)
	{
		setValue((String) object);
	}
}