/*
* TeleStax, Open Source Cloud Communications
* Copyright 2012, Telestax 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.
*/
/**
* Start time:15:52:32 2009-04-05<br>
* Project: mobicents-isup-stack<br>
*
* @author <a href="mailto:baranowb@gmail.com"> Bartosz Baranowski
* </a>
*
*/
package org.mobicents.protocols.ss7.isup.impl.message.parameter;
import org.mobicents.protocols.ss7.isup.ParameterException;
import org.mobicents.protocols.ss7.isup.message.parameter.PivotCapability;
/**
* Start time:15:52:32 2009-04-05<br>
* Project: mobicents-isup-stack<br>
*
* @author <a href="mailto:baranowb@gmail.com"> Bartosz Baranowski </a>
*/
public class PivotCapabilityImpl extends AbstractISUPParameter implements PivotCapability {
private static final int _TURN_ON = 1;
private static final int _TURN_OFF = 0;
private byte[] pivotCapabilities;
public PivotCapabilityImpl() {
super();
}
public byte[] encode() throws ParameterException {
for (int index = 0; index < this.pivotCapabilities.length; index++) {
this.pivotCapabilities[index] = (byte) (this.pivotCapabilities[index] & 0x7F);
}
this.pivotCapabilities[this.pivotCapabilities.length - 1] = (byte) ((this.pivotCapabilities[this.pivotCapabilities.length - 1]) | (0x01 << 7));
return this.pivotCapabilities;
}
public int decode(byte[] b) throws ParameterException {
setPivotCapabilities(b);
return b.length;
}
public byte[] getPivotCapabilities() {
return pivotCapabilities;
}
public void setPivotCapabilities(byte[] pivotCapabilities) {
if (pivotCapabilities == null || pivotCapabilities.length == 0) {
throw new IllegalArgumentException("byte[] must not be null and length must be greater than 0");
}
this.pivotCapabilities = pivotCapabilities;
}
public byte createPivotCapabilityByte(boolean itriNotAllowed, int pivotPossibility) {
int b = (itriNotAllowed ? _TURN_ON : _TURN_OFF) << 6;
b |= pivotPossibility & 0x07;
return (byte) b;
}
public boolean getITRINotAllowed(byte b) {
return ((b >> 6) & 0x01) == _TURN_ON;
}
public int getPivotCapability(byte b) {
return b & 0x07;
}
public int getCode() {
return _PARAMETER_CODE;
}
}