org.mobicents.protocols.mgcp.parser.params.EmbeddedRequestHandler Maven / Gradle / Ivy

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/*
 * JBoss, Home of Professional Open Source
 * Copyright 2011, Red Hat, Inc. and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.mobicents.protocols.mgcp.parser.params;

import java.text.ParseException;

import org.mobicents.protocols.mgcp.parser.StringFunctions;
import org.mobicents.protocols.mgcp.parser.SplitDetails;

import jain.protocol.ip.mgcp.message.parms.DigitMap;
import jain.protocol.ip.mgcp.message.parms.RequestedEvent;
import jain.protocol.ip.mgcp.message.parms.EventName;
import jain.protocol.ip.mgcp.message.parms.EmbeddedRequest;

public class EmbeddedRequestHandler
{
	private static Object decodeSingle(byte[] value,int offset,int length) throws ParseException
	{
		if(length<=3)
			throw new ParseException("Unknown value for Embedded Request: " + new String(value,offset,length), 0);
		
		int startIndex=offset+1;
		while(startIndexcontentStart && value[contentEnd]==StringFunctions.SPACE_BYTE)
			contentEnd--;
		
		if(contentStart==contentEnd)
			throw new ParseException("Unknown value for Embedded Request: " + new String(value,offset,length), 0);
		
		byte currByte=value[offset];
		switch(currByte)
		{
			case StringFunctions.LOW_R_BYTE:
			case StringFunctions.HIGH_R_BYTE:
				return RequestedEventHandler.decodeList(value,contentStart,contentEnd-contentStart+1);					
			case StringFunctions.LOW_D_BYTE:
			case StringFunctions.HIGH_D_BYTE:
				return DigitMapHandler.decode(value,contentStart,contentEnd-contentStart+1);				
			case StringFunctions.LOW_S_BYTE:
			case StringFunctions.HIGH_S_BYTE:
				return EventNameHandler.decodeList(value,contentStart,contentEnd-contentStart+1);				
			default:
				throw new ParseException("Unknown value for Embedded Request: " + new String(value,offset,length), 0);
		}
	}
	
	public static EmbeddedRequest decode(byte[] value,int offset,int length) throws ParseException
	{		
		Object currObject;
		RequestedEvent[] requestedEvents = null;
		EventName[] signalEvents = null;
		DigitMap digitMap = null;
		int currIndex=offset;
		int startIndex=offset;
		int i=0;
		
		while(value[startIndex]==StringFunctions.SPACE_BYTE && i