/*
* 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.EncodeException;
import org.mobicents.protocols.ss7.tcapAnsi.api.asn.ParseException;
import org.mobicents.protocols.ss7.tcapAnsi.api.asn.comp.Component;
import org.mobicents.protocols.ss7.tcapAnsi.api.asn.comp.ComponentType;
import org.mobicents.protocols.ss7.tcapAnsi.api.asn.comp.ErrorCode;
import org.mobicents.protocols.ss7.tcapAnsi.api.asn.comp.Parameter;
import org.mobicents.protocols.ss7.tcapAnsi.api.asn.comp.RejectProblem;
import org.mobicents.protocols.ss7.tcapAnsi.api.asn.comp.ReturnError;
/**
* @author baranowb
* @author sergey vetyutnev
*
*/
public class ReturnErrorImpl implements ReturnError {
protected Long correlationId;
private ErrorCode errorCode;
protected Parameter parameter;
@Override
public Parameter getParameter() {
return this.parameter;
}
@Override
public void setParameter(Parameter p) {
this.parameter = p;
}
@Override
public Long getCorrelationId() {
return correlationId;
}
@Override
public void setCorrelationId(Long i) {
if ((i == null) || (i < -128 || i > 127)) {
throw new IllegalArgumentException("Invoke ID our of range: <-128,127>: " + i);
}
this.correlationId = i;
}
public ErrorCode getErrorCode() {
return this.errorCode;
}
public void setErrorCode(ErrorCode ec) {
this.errorCode = ec;
}
public ComponentType getType() {
return ComponentType.ReturnError;
}
/*
* (non-Javadoc)
*
* @see org.mobicents.protocols.ss7.tcap.asn.Encodable#decode(org.mobicents.protocols .asn.AsnInputStream)
*/
public void decode(AsnInputStream ais) throws ParseException {
this.correlationId = null;
this.errorCode = null;
this.parameter = null;
try {
AsnInputStream localAis = ais.readSequenceStream();
// correlationId
byte[] buf = TcapFactory.readComponentId(localAis, 1, 1);
this.setCorrelationId((long) buf[0]);
// errorCode
int tag = localAis.readTag();
if ((tag != ErrorCode._TAG_NATIONAL && tag != ErrorCode._TAG_PRIVATE) || localAis.getTagClass() != Tag.CLASS_PRIVATE
|| !localAis.isTagPrimitive()) {
throw new ParseException(RejectProblem.generalIncorrectComponentPortion,
"ErrorCode in ReturnError has bad tag or tag class or is not primitive: tag=" + tag + ", tagClass=" + localAis.getTagClass());
}
this.errorCode = TcapFactory.createErrorCode(localAis);
// Parameter
this.parameter = TcapFactory.readParameter(localAis);
} catch (IOException e) {
throw new ParseException(RejectProblem.generalBadlyStructuredCompPortion, "IOException while decoding ReturnError: " + e.getMessage(), e);
} catch (AsnException e) {
throw new ParseException(RejectProblem.generalBadlyStructuredCompPortion, "AsnException while decoding ReturnError: " + e.getMessage(), e);
} catch (ParseException e) {
e.setInvokeId(this.correlationId);
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.errorCode == null)
throw new EncodeException("Error encoding ReturnError: ErrorCode must not be null");
if (this.correlationId == null)
throw new EncodeException("Error encoding ReturnError: correlationId is mandatory but is not set");
try {
// tag
aos.writeTag(Tag.CLASS_PRIVATE, false, ReturnError._TAG_RETURN_ERROR);
int pos = aos.StartContentDefiniteLength();
// correlationId
byte[] buf = new byte[1];
buf[0] = (byte) (long) this.correlationId;
aos.writeOctetString(Tag.CLASS_PRIVATE, Component._TAG_INVOKE_ID, buf);
// error code
this.errorCode.encode(aos);
// parameters
if (this.parameter != null)
this.parameter.encode(aos);
else
ParameterImpl.encodeEmptyParameter(aos);
aos.FinalizeContent(pos);
} catch (IOException e) {
throw new EncodeException("IOException while encoding ReturnResult: " + e.getMessage(), e);
} catch (AsnException e) {
throw new EncodeException("AsnException while encoding ReturnResult: " + e.getMessage(), e);
}
}
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append("ReturnError[");
if (this.getCorrelationId() != null) {
sb.append("CorrelationId=");
sb.append(this.getCorrelationId());
sb.append(", ");
}
if (this.getErrorCode() != null) {
sb.append("ErrorCode=");
sb.append(this.getErrorCode());
sb.append(", ");
}
if (this.getParameter() != null) {
sb.append("Parameter=[");
sb.append(this.getParameter());
sb.append("], ");
}
sb.append("]");
return sb.toString();
}
}