/*
* TeleStax, Open Source Cloud Communications
* Copyright 2011-2013, Telestax Inc and individual contributors
* by the @authors tag.
*
* 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.isup.impl.message.parameter;
import org.mobicents.protocols.ss7.isup.message.parameter.PivotReason;
/**
* @author baranowb
*
*/
public class PivotReasonImpl implements PivotReason {
private byte pivotReason;
//we need to know if that one was set.
private Byte pivotPossibleAtPerformingExchange;
public PivotReasonImpl() {
// TODO Auto-generated constructor stub
}
@Override
public byte getPivotReason() {
return this.pivotReason;
}
@Override
public void setPivotReason(byte b) {
this.pivotReason = (byte) (b & 0x7F);
}
@Override
public byte getPivotPossibleAtPerformingExchange() {
if(this.pivotPossibleAtPerformingExchange == null)
return 0;
return this.pivotPossibleAtPerformingExchange;
}
@Override
public void setPivotPossibleAtPerformingExchange(byte b) {
this.pivotPossibleAtPerformingExchange = (byte) (b & 0x07);
}
public byte[] encode(){
byte[] data = null;
if(this.pivotPossibleAtPerformingExchange == null){
data = new byte[1];
data[0] = (byte) (0x80 | this.pivotReason);
} else {
data = new byte[2];
data[0] = this.pivotReason;
data[1] = this.pivotPossibleAtPerformingExchange;
}
return data;
}
/**
* Remove pivotPossbileAtPerformingExchange.
*/
void trim(){
this.pivotPossibleAtPerformingExchange = null;
}
}