/*
* 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:09:11:07 2009-04-06<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 java.io.ByteArrayOutputStream;
import java.util.ArrayList;
import java.util.List;
import org.mobicents.protocols.ss7.isup.ParameterException;
import org.mobicents.protocols.ss7.isup.message.parameter.InformationType;
import org.mobicents.protocols.ss7.isup.message.parameter.InvokingPivotReason;
import org.mobicents.protocols.ss7.isup.message.parameter.PivotReason;
/**
* Start time:09:11:07 2009-04-06<br>
* Project: mobicents-isup-stack<br>
*
* @author <a href="mailto:baranowb@gmail.com"> Bartosz Baranowski </a>
*/
public class InvokingPivotReasonImpl extends AbstractInformationImpl implements InvokingPivotReason {
private List<PivotReason> reasons = new ArrayList<PivotReason>();
public InvokingPivotReasonImpl() {
super(InformationType.InvokingPivotReason);
}
@Override
public void setReason(PivotReason... reasons) {
this.reasons.clear();
if(reasons == null){
return;
}
for(PivotReason pr: reasons){
if(pr!=null){
this.reasons.add(pr);
}
}
}
@Override
public PivotReason[] getReason() {
return this.reasons.toArray(new PivotReason[this.reasons.size()]);
}
@Override
byte[] encode() throws ParameterException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
for (int index = 0; index < this.reasons.size(); index++) {
PivotReasonImpl ai = (PivotReasonImpl) this.reasons.get(index);
ai.trim();
byte b = (byte) (ai.encode()[0] & 0x7F);
if (index + 1 == this.reasons.size()) {
b |= 0x80;
}
baos.write(b);
}
return baos.toByteArray();
}
@Override
void decode(byte[] data) throws ParameterException {
for(int index = 0;index<data.length;index++){
byte b = data[index];
PivotReasonImpl pr = new PivotReasonImpl();
pr.setPivotReason((byte) (b & 0x7F));
if( (b & 0x80) == 0 && index +1 == data.length){
throw new ParameterException("Extension bit incicates more bytes, but we ran out of them!");
}
this.reasons.add(pr);
}
}
}