/*
* 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.tcapAnsi.asn;
import java.io.IOException;
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.tcapAnsi.api.asn.ApplicationContext;
import org.mobicents.protocols.ss7.tcapAnsi.api.asn.Confidentiality;
import org.mobicents.protocols.ss7.tcapAnsi.api.asn.DialogPortion;
import org.mobicents.protocols.ss7.tcapAnsi.api.asn.EncodeException;
import org.mobicents.protocols.ss7.tcapAnsi.api.asn.ParseException;
import org.mobicents.protocols.ss7.tcapAnsi.api.asn.ProtocolVersion;
import org.mobicents.protocols.ss7.tcapAnsi.api.asn.SecurityContext;
import org.mobicents.protocols.ss7.tcapAnsi.api.asn.UserInformation;
import org.mobicents.protocols.ss7.tcapAnsi.api.asn.comp.PAbortCause;
/**
*
* @author baranowb
* @author amit bhayani
* @author sergey vetyutnev
*
*/
public class DialogPortionImpl implements DialogPortion {
private ProtocolVersion protocolVersion;
private ApplicationContext applicationContext;
private UserInformation userInformation;
private SecurityContext securityContext;
private Confidentiality confidentiality;
public DialogPortionImpl() {
super();
}
@Override
public ProtocolVersion getProtocolVersion() {
return protocolVersion;
}
@Override
public void setProtocolVersion(ProtocolVersion val) {
protocolVersion = val;
}
@Override
public ApplicationContext getApplicationContext() {
return applicationContext;
}
@Override
public void setApplicationContext(ApplicationContext val) {
applicationContext = val;
}
@Override
public UserInformation getUserInformation() {
return userInformation;
}
@Override
public void setUserInformation(UserInformation val) {
userInformation = val;
}
@Override
public SecurityContext getSecurityContext() {
return securityContext;
}
@Override
public void setSecurityContext(SecurityContext val) {
securityContext = val;
}
@Override
public Confidentiality getConfidentiality() {
return confidentiality;
}
@Override
public void setConfidentiality(Confidentiality val) {
confidentiality = val;
}
public void decode(AsnInputStream aisA) throws ParseException {
this.protocolVersion = null;
this.applicationContext = null;
this.userInformation = null;
this.securityContext = null;
this.confidentiality = null;
if (aisA.getTagClass() != Tag.CLASS_PRIVATE || aisA.isTagPrimitive())
throw new ParseException(PAbortCause.UnrecognizedDialoguePortionID,
"Error decoding DialogPortion: bad tag or tagClass or not primitive, found tagClass=" + aisA.getTagClass());
try {
AsnInputStream ais = aisA.readSequenceStream();
while (true) {
if (ais.available() == 0)
break;
int tag = ais.readTag();
if (ais.getTagClass() == Tag.CLASS_PRIVATE) {
switch (tag) {
case ProtocolVersion._TAG_PROTOCOL_VERSION:
if (!ais.isTagPrimitive())
throw new ParseException(PAbortCause.BadlyStructuredDialoguePortion,
"Error decoding DialogPortion: ProtocolVersion must be primitive");
this.protocolVersion = TcapFactory.createProtocolVersion(ais);
break;
case ApplicationContext._TAG_INTEGER:
case ApplicationContext._TAG_OBJECT_ID:
if (!ais.isTagPrimitive())
throw new ParseException(PAbortCause.BadlyStructuredDialoguePortion,
"Error decoding DialogPortion: ApplicationContext must be primitive");
this.applicationContext = TcapFactory.createApplicationContext(ais);
break;
case UserInformation._TAG_USER_INFORMATION:
if (ais.isTagPrimitive())
throw new ParseException(PAbortCause.BadlyStructuredDialoguePortion,
"Error decoding DialogPortion: UserInformation must not be primitive");
this.userInformation = new UserInformationImpl();
this.userInformation.decode(ais);
break;
default:
throw new ParseException(PAbortCause.BadlyStructuredDialoguePortion,
"Error decoding DialogPortion: Bad tag or tag class: tag=" + tag + ", tagClass=" + ais.getTagClass());
}
} else if (ais.getTagClass() == Tag.CLASS_CONTEXT_SPECIFIC) {
switch (tag) {
case SecurityContext._TAG_SECURITY_CONTEXT_INTEGER:
case SecurityContext._TAG_SECURITY_CONTEXT_OID:
if (!ais.isTagPrimitive())
throw new ParseException(PAbortCause.BadlyStructuredDialoguePortion,
"Error decoding DialogPortion: SecurityContext must be primitive");
this.securityContext = new SecurityContextImpl();
this.securityContext.decode(ais);
break;
case Confidentiality._TAG_CONFIDENTIALITY:
this.confidentiality = new ConfidentialityImpl();
this.confidentiality.decode(ais);
break;
default:
throw new ParseException(PAbortCause.BadlyStructuredDialoguePortion,
"Error decoding DialogPortion: Bad tag or tag class: tag=" + tag + ", tagClass=" + ais.getTagClass());
}
} else {
throw new ParseException(PAbortCause.BadlyStructuredDialoguePortion,
"Error decoding DialogPortion: Bad tag or tag class: tag=" + tag + ", tagClass=" + ais.getTagClass());
}
}
} catch (IOException e) {
throw new ParseException(PAbortCause.BadlyStructuredDialoguePortion, "IOException while decoding DialogPortion: " + e.getMessage(), e);
} catch (AsnException e) {
throw new ParseException(PAbortCause.BadlyStructuredDialoguePortion, "AsnException while decoding DialogPortion: " + e.getMessage(), e);
}
}
public void encode(AsnOutputStream aos) throws EncodeException {
try {
aos.writeTag(Tag.CLASS_PRIVATE, false, DialogPortion._TAG_DIALOG_PORTION);
int pos = aos.StartContentDefiniteLength();
if (this.protocolVersion != null) {
this.protocolVersion.encode(aos);
}
if (this.applicationContext != null) {
this.applicationContext.encode(aos);
}
if (this.userInformation != null) {
this.userInformation.encode(aos);
}
if (this.securityContext != null) {
this.securityContext.encode(aos);
}
if (this.confidentiality != null) {
this.confidentiality.encode(aos);
}
aos.FinalizeContent(pos);
} catch (AsnException e) {
throw new EncodeException("AsnException when encoding DialogPortion: " + e.getMessage(), e);
}
}
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append("DialogPortion[");
if (this.getProtocolVersion() != null) {
sb.append("ProtocolVersion=");
sb.append(this.getProtocolVersion());
sb.append(", ");
}
if (this.getApplicationContext() != null) {
sb.append("ApplicationContext=");
sb.append(this.getApplicationContext());
sb.append(", ");
}
if (this.getUserInformation() != null) {
sb.append("UserInformation=[");
sb.append(this.getUserInformation());
sb.append(", ");
}
if (this.getSecurityContext() != null) {
sb.append("SecurityContext=");
sb.append(this.getSecurityContext());
sb.append(", ");
}
if (this.getConfidentiality() != null) {
sb.append("Confidentiality=");
sb.append(this.getConfidentiality());
sb.append(", ");
}
sb.append("]");
return sb.toString();
}
}