/*
* 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.ss7.tcap.api;
import java.io.IOException;
import org.mobicents.protocols.asn.AsnInputStream;
import org.mobicents.protocols.asn.AsnOutputStream;
/**
* Message type tag - it holds whole representation of tag - along with universal and other bits set.
*
* @author baranowb
*
*/
public enum MessageType {
Unidirectional(0x61), Begin(0x62), End(0x64), Continue(0x65), Abort(0x67), Unknown(-1);
private int tagContent = -1;
private MessageType(int tagContent) {
this.tagContent = tagContent;
}
public MessageType decode(AsnInputStream asnIs) throws IOException {
int t = asnIs.readTag();
switch (t) {
case 0x61:
return Unidirectional;
case 0x62:
return Begin;
case 0x65:
return Continue;
case 0x64:
return End;
case 0x67:
return Abort;
default:
return Unknown;
}
}
public void encode(AsnOutputStream asnO) {
// write directly, we know its applciation class, constructed and num is
// in range of 5 bits
// this way its faster.
asnO.write(tagContent);
}
public int getTag() {
return this.tagContent;
}
}