/*
* 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.
*/
package org.mobicents.protocols.ss7.cap.isup;
import java.io.IOException;
import javolution.xml.XMLFormat;
import javolution.xml.stream.XMLStreamException;
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.cap.api.CAPException;
import org.mobicents.protocols.ss7.cap.api.CAPParsingComponentException;
import org.mobicents.protocols.ss7.cap.api.CAPParsingComponentExceptionReason;
import org.mobicents.protocols.ss7.cap.api.isup.CauseCap;
import org.mobicents.protocols.ss7.cap.primitives.CAPAsnPrimitive;
import org.mobicents.protocols.ss7.isup.ParameterException;
import org.mobicents.protocols.ss7.isup.impl.message.parameter.CauseIndicatorsImpl;
import org.mobicents.protocols.ss7.isup.message.parameter.CauseIndicators;
/**
*
* @author sergey vetyutnev
* @author Amit Bhayani
*
*/
public class CauseCapImpl implements CauseCap, CAPAsnPrimitive {
private static final String CAUSE_INDICATORS = "causeIndicators";
public static final String _PrimitiveName = "CauseCap";
private static final String ISUP_CAUSE_INDICATORS_XML = "isupCauseIndicators";
private byte[] data;
public CauseCapImpl() {
}
public CauseCapImpl(byte[] data) {
this.data = data;
}
public CauseCapImpl(CauseIndicators causeIndicators) throws CAPException {
setCauseIndicators(causeIndicators);
}
public void setCauseIndicators(CauseIndicators causeIndicators) throws CAPException {
if (causeIndicators == null)
throw new CAPException("The causeIndicators parameter must not be null");
try {
this.data = ((CauseIndicatorsImpl) causeIndicators).encode();
} catch (ParameterException e) {
throw new CAPException("ParameterException when encoding causeIndicators: " + e.getMessage(), e);
}
}
@Override
public byte[] getData() {
return data;
}
@Override
public CauseIndicators getCauseIndicators() throws CAPException {
if (this.data == null)
throw new CAPException("The data has not been filled");
try {
CauseIndicatorsImpl ln = new CauseIndicatorsImpl();
ln.decode(this.data);
return ln;
} catch (ParameterException e) {
throw new CAPException("ParameterException when decoding locationNumber: " + e.getMessage(), e);
}
}
@Override
public int getTag() throws CAPException {
return Tag.STRING_OCTET;
}
@Override
public int getTagClass() {
return Tag.CLASS_UNIVERSAL;
}
@Override
public boolean getIsPrimitive() {
return true;
}
@Override
public void decodeAll(AsnInputStream ansIS) throws CAPParsingComponentException {
try {
int length = ansIS.readLength();
this._decode(ansIS, length);
} catch (IOException e) {
throw new CAPParsingComponentException("IOException when decoding " + _PrimitiveName + ": " + e.getMessage(), e,
CAPParsingComponentExceptionReason.MistypedParameter);
} catch (AsnException e) {
throw new CAPParsingComponentException("AsnException when decoding " + _PrimitiveName + ": " + e.getMessage(), e,
CAPParsingComponentExceptionReason.MistypedParameter);
} catch (CAPParsingComponentException e) {
throw new CAPParsingComponentException("MAPParsingComponentException when decoding " + _PrimitiveName + ": "
+ e.getMessage(), e, CAPParsingComponentExceptionReason.MistypedParameter);
}
}
@Override
public void decodeData(AsnInputStream ansIS, int length) throws CAPParsingComponentException {
try {
this._decode(ansIS, length);
} catch (IOException e) {
throw new CAPParsingComponentException("IOException when decoding " + _PrimitiveName + ": " + e.getMessage(), e,
CAPParsingComponentExceptionReason.MistypedParameter);
} catch (AsnException e) {
throw new CAPParsingComponentException("AsnException when decoding " + _PrimitiveName + ": " + e.getMessage(), e,
CAPParsingComponentExceptionReason.MistypedParameter);
} catch (CAPParsingComponentException e) {
throw new CAPParsingComponentException("MAPParsingComponentException when decoding " + _PrimitiveName + ": "
+ e.getMessage(), e, CAPParsingComponentExceptionReason.MistypedParameter);
}
}
private void _decode(AsnInputStream ansIS, int length) throws CAPParsingComponentException,
IOException, AsnException {
this.data = ansIS.readOctetStringData(length);
if (this.data.length < 2 || this.data.length > 32)
throw new CAPParsingComponentException("Error while decoding " + _PrimitiveName
+ ": data must be from 2 to 32 bytes length, found: " + this.data.length,
CAPParsingComponentExceptionReason.MistypedParameter);
}
@Override
public void encodeAll(AsnOutputStream asnOs) throws CAPException {
this.encodeAll(asnOs, Tag.CLASS_UNIVERSAL, Tag.STRING_OCTET);
}
@Override
public void encodeAll(AsnOutputStream asnOs, int tagClass, int tag) throws CAPException {
try {
asnOs.writeTag(tagClass, true, tag);
int pos = asnOs.StartContentDefiniteLength();
this.encodeData(asnOs);
asnOs.FinalizeContent(pos);
} catch (AsnException e) {
throw new CAPException("AsnException when encoding " + _PrimitiveName + ": " + e.getMessage(), e);
}
}
@Override
public void encodeData(AsnOutputStream asnOs) throws CAPException {
if (this.data == null)
throw new CAPException("data field must not be null");
if (this.data.length < 2 && this.data.length > 32)
throw new CAPException("data field length must be from 2 to 32");
asnOs.writeOctetStringData(data);
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append("CauseCap [");
if (this.data != null) {
sb.append("data=[");
sb.append(printDataArr(this.data));
sb.append("]");
try {
CauseIndicators ci = this.getCauseIndicators();
sb.append(", ");
sb.append(ci.toString());
} catch (CAPException e) {
}
}
sb.append("]");
return sb.toString();
}
private String printDataArr(byte[] arr) {
StringBuilder sb = new StringBuilder();
for (int b : arr) {
sb.append(b);
sb.append(", ");
}
return sb.toString();
}
/**
* XML Serialization/Deserialization
*/
protected static final XMLFormat<CauseCapImpl> CAUSE_CAP_XML = new XMLFormat<CauseCapImpl>(CauseCapImpl.class) {
@Override
public void read(javolution.xml.XMLFormat.InputElement xml, CauseCapImpl causeCap) throws XMLStreamException {
try {
causeCap.setCauseIndicators(xml.get(ISUP_CAUSE_INDICATORS_XML, CauseIndicatorsImpl.class));
} catch (CAPException e) {
throw new XMLStreamException(e);
}
}
@Override
public void write(CauseCapImpl causeCap, javolution.xml.XMLFormat.OutputElement xml) throws XMLStreamException {
try {
xml.add(((CauseIndicatorsImpl) causeCap.getCauseIndicators()), ISUP_CAUSE_INDICATORS_XML,
CauseIndicatorsImpl.class);
} catch (CAPException e) {
throw new XMLStreamException(e);
}
}
};
}