/*
* 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.tcap.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.tcap.asn.comp.ComponentType;
import org.mobicents.protocols.ss7.tcap.asn.comp.ErrorCode;
import org.mobicents.protocols.ss7.tcap.asn.comp.ErrorCodeType;
import org.mobicents.protocols.ss7.tcap.asn.comp.GeneralProblemType;
import org.mobicents.protocols.ss7.tcap.asn.comp.Parameter;
import org.mobicents.protocols.ss7.tcap.asn.comp.ReturnError;
/**
* @author baranowb
* @author sergey vetyutnev
*
*/
public class ReturnErrorImpl implements ReturnError {
// mandatory
private Long invokeId;
// mandatory
private ErrorCode errorCode;
// optional
private Parameter parameter;
/*
* (non-Javadoc)
*
* @see org.mobicents.protocols.ss7.tcap.asn.comp.ReturnError#getErrorCode()
*/
public ErrorCode getErrorCode() {
return this.errorCode;
}
/*
* (non-Javadoc)
*
* @see org.mobicents.protocols.ss7.tcap.asn.comp.ReturnError#getInvokeId()
*/
public Long getInvokeId() {
return this.invokeId;
}
/*
* (non-Javadoc)
*
* @see org.mobicents.protocols.ss7.tcap.asn.comp.ReturnError#getParameter()
*/
public Parameter getParameter() {
return this.parameter;
}
/*
* (non-Javadoc)
*
* @see org.mobicents.protocols.ss7.tcap.asn.comp.ReturnError#setErrorCode(org
* .mobicents.protocols.ss7.tcap.asn.comp.ErrorCode)
*/
public void setErrorCode(ErrorCode ec) {
this.errorCode = ec;
}
/*
* (non-Javadoc)
*
* @see org.mobicents.protocols.ss7.tcap.asn.comp.ReturnError#setInvokeId(java .lang.Long)
*/
public void setInvokeId(Long i) {
this.invokeId = i;
}
/*
* (non-Javadoc)
*
* @see org.mobicents.protocols.ss7.tcap.asn.comp.ReturnError#setParameter(org
* .mobicents.protocols.ss7.tcap.asn.comp.Parameter)
*/
public void setParameter(Parameter p) {
this.parameter = p;
}
public ComponentType getType() {
return ComponentType.ReturnError;
}
public String toString() {
return "ReturnError[invokeId=" + invokeId + ", errorCode=" + errorCode + ", parameters=" + parameter + "]";
}
/*
* (non-Javadoc)
*
* @see org.mobicents.protocols.ss7.tcap.asn.Encodable#decode(org.mobicents.protocols .asn.AsnInputStream)
*/
public void decode(AsnInputStream ais) throws ParseException {
try {
AsnInputStream localAis = ais.readSequenceStream();
// invokeId
int tag = localAis.readTag();
if (tag != _TAG_IID || localAis.getTagClass() != Tag.CLASS_UNIVERSAL) {
throw new ParseException(null, GeneralProblemType.MistypedComponent,
"Error while decoding ReturnError: bad tag or tag class for InvokeID: tag=" + tag + ", tagClass = "
+ localAis.getTagClass());
}
this.invokeId = localAis.readInteger();
if (localAis.available() == 0) {
// next parameter (errorCode) is mandatory but it sometimes absent in live trace
return;
}
tag = localAis.readTag();
if (localAis.getTagClass() != Tag.CLASS_UNIVERSAL) {
throw new ParseException(null, GeneralProblemType.MistypedComponent,
"Error while decoding ReturnError: bad tag class for ErrorCode: tagClass = " + localAis.getTagClass());
}
this.errorCode = TcapFactory.createErrorCode();
switch (tag) {
case ErrorCode._TAG_GLOBAL:
((ErrorCodeImpl) this.errorCode).setErrorCodeType(ErrorCodeType.Global);
break;
case ErrorCode._TAG_LOCAL:
((ErrorCodeImpl) this.errorCode).setErrorCodeType(ErrorCodeType.Local);
break;
default:
throw new ParseException(null, GeneralProblemType.MistypedComponent,
"Error while decoding ReturnError: bad tag for ErrorCode: tag= " + tag);
}
this.errorCode.decode(localAis);
if (localAis.available() == 0)
return;// rest is optional
tag = localAis.readTag();
this.parameter = TcapFactory.createParameter(tag, localAis, true);
} catch (IOException e) {
throw new ParseException(null, GeneralProblemType.BadlyStructuredComponent,
"IOException while decoding ReturnError: " + e.getMessage(), e);
} catch (AsnException e) {
throw new ParseException(null, GeneralProblemType.BadlyStructuredComponent,
"AsnException while decoding ReturnError: " + e.getMessage(), e);
} catch (ParseException e) {
e.setInvokeId(this.invokeId);
throw e;
}
}
/*
* (non-Javadoc)
*
* @see org.mobicents.protocols.ss7.tcap.asn.Encodable#encode(org.mobicents.protocols .asn.AsnOutputStream)
*/
public void encode(AsnOutputStream aos) throws EncodeException {
if (this.invokeId == null)
throw new EncodeException("Invoke ID not set!");
if (this.errorCode == null)
throw new EncodeException("Error Code not set!");
try {
aos.writeTag(Tag.CLASS_CONTEXT_SPECIFIC, false, _TAG);
int pos = aos.StartContentDefiniteLength();
aos.writeInteger(this.invokeId);
this.errorCode.encode(aos);
if (this.parameter != null)
this.parameter.encode(aos);
aos.FinalizeContent(pos);
} catch (IOException e) {
throw new EncodeException("IOException while encoding ReturnError: " + e.getMessage(), e);
} catch (AsnException e) {
throw new EncodeException("AsnException while encoding ReturnError: " + e.getMessage(), e);
}
}
}