/*
 * Copyright (c) 1996-2001
 * Logica Mobile Networks Limited
 * All rights reserved.
 *
 * This software is distributed under Logica Open Source License Version 1.0
 * ("Licence Agreement"). You shall use it and distribute only in accordance
 * with the terms of the License Agreement.
 *
 */
package org.smpp.pdu.tlv;

import org.smpp.util.ByteBuffer;
import org.smpp.util.NotEnoughDataInByteBufferException;
import org.smpp.util.TerminatingZeroNotFoundException;
import org.smpp.pdu.ValueNotSetException;

/**
 * @author Logica Mobile Networks SMPP Open Source Team
 * @version $Revision: 1.1 $
 */
public class TLVString extends TLV {
	private String value;

	public TLVString() {
		super();
	}

	public TLVString(short tag) {
		super(tag);
	}

	public TLVString(short tag, int min, int max) {
		super(tag, min, max);
	}

	public TLVString(short tag, String value) throws TLVException {
		super(tag);
		setValue(value);
	}

	public TLVString(short tag, int min, int max, String value) throws TLVException {
		super(tag, min, max);
		setValue(value);
	}

	public void setValueData(ByteBuffer buffer) throws TLVException {
		checkLength(buffer);
		if (buffer != null) {
			try {
				value = buffer.removeCString();
			} catch (NotEnoughDataInByteBufferException e) {
				throw new TLVException("Not enough data for string in the buffer.");
			} catch (TerminatingZeroNotFoundException e) {
				throw new TLVException("String terminating zero not found in the buffer.");
			}
		} else {
			value = new String("");
		}
		markValueSet();
	}

	public ByteBuffer getValueData() throws ValueNotSetException {
		ByteBuffer valueBuf = new ByteBuffer();
		valueBuf.appendCString(getValue());
		return valueBuf;
	}

	public void setValue(String value) throws WrongLengthException {
		checkLength(value.length() + 1);
		this.value = value;
		markValueSet();
	}

	public String getValue() throws ValueNotSetException {
		if (hasValue()) {
			return value;
		} else {
			throw new ValueNotSetException();
		}
	}

	public String debugString() {
		String dbgs = "(str: ";
		dbgs += super.debugString();
		dbgs += value;
		dbgs += ") ";
		return dbgs;
	}

}
/*
 * $Log: TLVString.java,v $
 * Revision 1.1  2003/07/23 00:28:39  sverkera
 * Imported
 *
 * 
 * Old changelog:
 * 20-11-01 ticp@logica.com setValue() now sets flag that the value was set
 */