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/*
* 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.restcomm.protocols.ss7.map.primitives;
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.restcomm.protocols.ss7.map.api.MAPException;
import org.restcomm.protocols.ss7.map.api.MAPParsingComponentException;
import org.restcomm.protocols.ss7.map.api.MAPParsingComponentExceptionReason;
import org.restcomm.protocols.ss7.map.api.primitives.ExternalSignalInfo;
import org.restcomm.protocols.ss7.map.api.primitives.MAPExtensionContainer;
import org.restcomm.protocols.ss7.map.api.primitives.ProtocolId;
import org.restcomm.protocols.ss7.map.api.primitives.SignalInfo;
/*
*
* @author cristian veliscu
*
*/
public class ExternalSignalInfoImpl implements ExternalSignalInfo, MAPAsnPrimitive {
private SignalInfo signalInfo = null;
private ProtocolId protocolId = null;
private MAPExtensionContainer extensionContainer = null;
private static final String _PrimitiveName = "ExternalSignalInfo";
public ExternalSignalInfoImpl() {
}
public ExternalSignalInfoImpl(SignalInfo signalInfo, ProtocolId protocolId, MAPExtensionContainer extensionContainer) {
this.signalInfo = signalInfo;
this.protocolId = protocolId;
this.extensionContainer = extensionContainer;
}
@Override
public SignalInfo getSignalInfo() {
return this.signalInfo;
}
@Override
public ProtocolId getProtocolId() {
return this.protocolId;
}
@Override
public MAPExtensionContainer getExtensionContainer() {
return this.extensionContainer;
}
@Override
public int getTag() throws MAPException {
return Tag.SEQUENCE;
}
@Override
public int getTagClass() {
return Tag.CLASS_UNIVERSAL;
}
@Override
public boolean getIsPrimitive() {
return false;
}
@Override
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);
}
}
@Override
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.signalInfo = null;
this.protocolId = null;
this.extensionContainer = null;
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.ENUMERATED:
int code = (int) ais.readInteger();
this.protocolId = ProtocolId.getProtocolId(code);
break;
case Tag.STRING_OCTET:
if (!ais.isTagPrimitive())
throw new MAPParsingComponentException("Error while decoding " + _PrimitiveName
+ ".signalInfo: Parameter extensionContainer is not primitive",
MAPParsingComponentExceptionReason.MistypedParameter);
this.signalInfo = new SignalInfoImpl();
((SignalInfoImpl) this.signalInfo).decodeAll(ais);
break;
case Tag.SEQUENCE:
if (ais.isTagPrimitive())
throw new MAPParsingComponentException("Error while decoding " + _PrimitiveName
+ ".extensionContainer: Parameter extensionContainer is primitive",
MAPParsingComponentExceptionReason.MistypedParameter);
this.extensionContainer = new MAPExtensionContainerImpl();
((MAPExtensionContainerImpl) this.extensionContainer).decodeAll(ais);
break;
default:
ais.advanceElement();
break;
}
}
}
if (this.protocolId == null || this.signalInfo == null)
throw new MAPParsingComponentException("Error while decoding " + _PrimitiveName
+ ": protocolId and signalInfo must not be null", MAPParsingComponentExceptionReason.MistypedParameter);
}
@Override
public void encodeAll(AsnOutputStream asnOs) throws MAPException {
this.encodeAll(asnOs, this.getTagClass(), this.getTag());
}
@Override
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);
}
}
@Override
public void encodeData(AsnOutputStream asnOs) throws MAPException {
if (this.protocolId == null || this.signalInfo == null)
throw new MAPException("Error while encoding " + _PrimitiveName + ": protocolId and signalInfo must not be null");
try {
if (this.protocolId != null)
asnOs.writeInteger(Tag.CLASS_UNIVERSAL, Tag.ENUMERATED, this.protocolId.getCode());
if (this.signalInfo != null)
((SignalInfoImpl) this.signalInfo).encodeAll(asnOs);
if (this.extensionContainer != null)
((MAPExtensionContainerImpl) this.extensionContainer).encodeAll(asnOs);
} catch (IOException e) {
throw new MAPException("IOException when encoding ExternalSignalInfo : " + e.getMessage(), e);
} catch (AsnException e) {
throw new MAPException("AsnException when encoding ExternalSignalInfo : " + e.getMessage(), e);
}
}
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append(_PrimitiveName);
sb.append(" [");
if (this.signalInfo != null) {
sb.append("signalInfo=[");
sb.append(this.signalInfo);
sb.append("], ");
}
if (this.protocolId != null) {
sb.append("protocolId=[");
sb.append(this.protocolId);
sb.append("], ");
}
if (this.extensionContainer != null) {
sb.append("extensionContainer=[");
sb.append(this.extensionContainer);
sb.append("]");
}
sb.append("]");
return sb.toString();
}
}
