/*
* TeleStax, Open Source Cloud Communications Copyright 2012.
* 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.map.service.mobility.authentication;
import java.io.IOException;
import java.util.ArrayList;
import org.mobicents.protocols.asn.AsnException;
import org.mobicents.protocols.asn.AsnInputStream;
import org.mobicents.protocols.asn.AsnOutputStream;
import org.mobicents.protocols.asn.Tag;
import org.mobicents.protocols.ss7.map.api.MAPException;
import org.mobicents.protocols.ss7.map.api.MAPParsingComponentException;
import org.mobicents.protocols.ss7.map.api.MAPParsingComponentExceptionReason;
import org.mobicents.protocols.ss7.map.api.service.mobility.authentication.AuthenticationTriplet;
import org.mobicents.protocols.ss7.map.api.service.mobility.authentication.TripletList;
import org.mobicents.protocols.ss7.map.primitives.MAPAsnPrimitive;
/**
*
* @author sergey vetyutnev
*
*/
public class TripletListImpl implements TripletList, MAPAsnPrimitive {
public static final String _PrimitiveName = "TripletList";
private ArrayList<AuthenticationTriplet> authenticationTriplets;
public TripletListImpl() {
}
public TripletListImpl(ArrayList<AuthenticationTriplet> authenticationTriplets) {
this.authenticationTriplets = authenticationTriplets;
}
public ArrayList<AuthenticationTriplet> getAuthenticationTriplets() {
return authenticationTriplets;
}
public int getTag() throws MAPException {
return Tag.SEQUENCE;
}
public int getTagClass() {
return Tag.CLASS_UNIVERSAL;
}
public boolean getIsPrimitive() {
return false;
}
public void decodeAll(AsnInputStream ansIS) throws MAPParsingComponentException {
try {
int length = ansIS.readLength();
this._decode(ansIS, length);
} catch (IOException e) {
throw new MAPParsingComponentException("IOException when decoding " + _PrimitiveName + ": " + e.getMessage(), e,
MAPParsingComponentExceptionReason.MistypedParameter);
} catch (AsnException e) {
throw new MAPParsingComponentException("AsnException when decoding " + _PrimitiveName + ": " + e.getMessage(), e,
MAPParsingComponentExceptionReason.MistypedParameter);
}
}
public void decodeData(AsnInputStream ansIS, int length) throws MAPParsingComponentException {
try {
this._decode(ansIS, length);
} catch (IOException e) {
throw new MAPParsingComponentException("IOException when decoding " + _PrimitiveName + ": " + e.getMessage(), e,
MAPParsingComponentExceptionReason.MistypedParameter);
} catch (AsnException e) {
throw new MAPParsingComponentException("AsnException when decoding " + _PrimitiveName + ": " + e.getMessage(), e,
MAPParsingComponentExceptionReason.MistypedParameter);
}
}
private void _decode(AsnInputStream ansIS, int length) throws MAPParsingComponentException, IOException, AsnException {
this.authenticationTriplets = new ArrayList<AuthenticationTriplet>();
AsnInputStream ais = ansIS.readSequenceStreamData(length);
while (true) {
if (ais.available() == 0)
break;
int tag = ais.readTag();
if (ais.getTagClass() == Tag.CLASS_UNIVERSAL) {
switch (tag) {
case Tag.SEQUENCE:
// authenticationTriplet
if (ais.isTagPrimitive())
throw new MAPParsingComponentException("Error while decoding " + _PrimitiveName
+ ": Parameter AuthenticationTriplet is primitive",
MAPParsingComponentExceptionReason.MistypedParameter);
AuthenticationTripletImpl at = new AuthenticationTripletImpl();
at.decodeAll(ais);
this.authenticationTriplets.add(at);
break;
}
} else {
ais.advanceElement();
}
}
if (this.authenticationTriplets.size() < 1 || this.authenticationTriplets.size() > 5) {
throw new MAPParsingComponentException("Error while decoding " + _PrimitiveName
+ ": authenticationTriplets must be from 1 to 5, found:" + this.authenticationTriplets.size(),
MAPParsingComponentExceptionReason.MistypedParameter);
}
}
public void encodeAll(AsnOutputStream asnOs) throws MAPException {
this.encodeAll(asnOs, this.getTagClass(), this.getTag());
}
public void encodeAll(AsnOutputStream asnOs, int tagClass, int tag) throws MAPException {
try {
asnOs.writeTag(tagClass, this.getIsPrimitive(), tag);
int pos = asnOs.StartContentDefiniteLength();
this.encodeData(asnOs);
asnOs.FinalizeContent(pos);
} catch (AsnException e) {
throw new MAPException("AsnException when encoding " + _PrimitiveName + ": " + e.getMessage(), e);
}
}
public void encodeData(AsnOutputStream asnOs) throws MAPException {
if (this.authenticationTriplets == null || this.authenticationTriplets.size() < 1
|| this.authenticationTriplets.size() > 5) {
throw new MAPException("AuthenticationTriplets list must contains from 1 to 5 elemets");
}
for (AuthenticationTriplet at : this.authenticationTriplets) {
((AuthenticationTripletImpl) at).encodeAll(asnOs);
}
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append("TripletList [");
if (this.authenticationTriplets != null) {
for (AuthenticationTriplet at : this.authenticationTriplets) {
if (at != null) {
sb.append(at.toString());
sb.append(", ");
}
}
}
sb.append("]");
return sb.toString();
}
}