/*
* JBoss, Home of Professional Open Source
* Copyright 2011, Red Hat, 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.map.dialog;
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.map.api.MAPException;
import org.mobicents.protocols.ss7.map.api.MAPParsingComponentException;
import org.mobicents.protocols.ss7.map.api.MAPParsingComponentExceptionReason;
import org.mobicents.protocols.ss7.map.api.dialog.Reason;
import org.mobicents.protocols.ss7.map.api.primitives.MAPExtensionContainer;
import org.mobicents.protocols.ss7.map.primitives.MAPAsnPrimitive;
import org.mobicents.protocols.ss7.map.primitives.MAPExtensionContainerImpl;
import org.mobicents.protocols.ss7.tcap.asn.ApplicationContextName;
import org.mobicents.protocols.ss7.tcap.asn.ApplicationContextNameImpl;
/**
* MAP-RefuseInfo ::= SEQUENCE { reason Reason, ..., extensionContainer ExtensionContainer -- extensionContainer must not be
* used in version 2 }
*
* @author amit bhayani
* @author sergey vetyutnev
*
*/
public class MAPRefuseInfoImpl implements MAPAsnPrimitive {
public static final int MAP_REFUSE_INFO_TAG = 0x03;
protected static final int REFUSE_TAG_CLASS = Tag.CLASS_CONTEXT_SPECIFIC;
protected static final boolean REFUSE_TAG_PC_CONSTRUCTED = false;
protected static final boolean REFUSE_TAG_PC_PRIMITIVE = true;
private Reason reason;
private MAPExtensionContainer extensionContainer;
private ApplicationContextName alternativeAcn;
public Reason getReason() {
return this.reason;
}
public MAPExtensionContainer getExtensionContainer() {
return extensionContainer;
}
public ApplicationContextName getAlternativeAcn() {
return this.alternativeAcn;
}
public void setReason(Reason reason) {
this.reason = reason;
}
public void setExtensionContainer(MAPExtensionContainer extensionContainer) {
this.extensionContainer = extensionContainer;
}
public void setAlternativeAcn(ApplicationContextName alternativeAcn) {
this.alternativeAcn = alternativeAcn;
}
public int getTag() throws MAPException {
return MAP_REFUSE_INFO_TAG;
}
public int getTagClass() {
return Tag.CLASS_CONTEXT_SPECIFIC;
}
public boolean getIsPrimitive() {
return false;
}
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 MAP-RefuseInfo: " + e.getMessage(), e,
MAPParsingComponentExceptionReason.MistypedParameter);
} catch (AsnException e) {
throw new MAPParsingComponentException("AsnException when decoding MAP-RefuseInfo: " + e.getMessage(), e,
MAPParsingComponentExceptionReason.MistypedParameter);
}
}
public void decodeData(AsnInputStream ansIS, int length) throws MAPParsingComponentException {
try {
this._decode(ansIS, length);
} catch (IOException e) {
throw new MAPParsingComponentException("IOException when decoding MAP-RefuseInfo: " + e.getMessage(), e,
MAPParsingComponentExceptionReason.MistypedParameter);
} catch (AsnException e) {
throw new MAPParsingComponentException("AsnException when decoding MAP-RefuseInfo: " + e.getMessage(), e,
MAPParsingComponentExceptionReason.MistypedParameter);
}
}
private void _decode(AsnInputStream ais, int length) throws MAPParsingComponentException, IOException, AsnException {
// MAP-RefuseInfo ::= SEQUENCE {
// reason ENUMERATED {
// noReasonGiven ( 0 ),
// invalidDestinationReference ( 1 ),
// invalidOriginatingReference ( 2 ) },
// ... ,
// extensionContainer SEQUENCE {
// privateExtensionList [0] IMPLICIT SEQUENCE ( SIZE( 1 .. 10 ) ) OF
// SEQUENCE {
// extId MAP-EXTENSION .&extensionId ( {
// ,
// ...} ) ,
// extType MAP-EXTENSION .&ExtensionType ( {
// ,
// ...} { @extId } ) OPTIONAL} OPTIONAL,
// pcs-Extensions [1] IMPLICIT SEQUENCE {
// ... } OPTIONAL,
// ... } OPTIONAL,
// alternativeApplicationContext OBJECT IDENTIFIER OPTIONAL}
this.reason = null;
this.alternativeAcn = null;
this.extensionContainer = null;
AsnInputStream localAis = ais.readSequenceStreamData(length);
int tag = localAis.readTag();
if (tag != Tag.ENUMERATED || localAis.getTagClass() != Tag.CLASS_UNIVERSAL)
throw new MAPParsingComponentException("Error decoding MAP-RefuseInfo.Reason: bad tag or tagClass",
MAPParsingComponentExceptionReason.MistypedParameter);
int reasonCode = (int) localAis.readInteger();
this.reason = Reason.getReason(reasonCode);
while (localAis.available() > 0) {
tag = localAis.readTag();
switch (localAis.getTagClass()) {
case Tag.CLASS_UNIVERSAL:
switch (tag) {
case Tag.SEQUENCE:
this.extensionContainer = new MAPExtensionContainerImpl();
((MAPExtensionContainerImpl) this.extensionContainer).decodeAll(localAis);
break;
case Tag.OBJECT_IDENTIFIER:
this.alternativeAcn = new ApplicationContextNameImpl();
long[] oid = localAis.readObjectIdentifier();
this.alternativeAcn.setOid(oid);
break;
default:
localAis.advanceElement();
break;
}
break;
default:
localAis.advanceElement();
break;
}
}
}
public void encodeAll(AsnOutputStream asnOs) throws MAPException {
this.encodeAll(asnOs, Tag.CLASS_CONTEXT_SPECIFIC, MAP_REFUSE_INFO_TAG);
}
public void encodeAll(AsnOutputStream asnOs, int tagClass, int tag) throws MAPException {
try {
asnOs.writeTag(tagClass, false, tag);
int pos = asnOs.StartContentDefiniteLength();
this.encodeData(asnOs);
asnOs.FinalizeContent(pos);
} catch (AsnException e) {
throw new MAPException("AsnException when encoding MAPRefuseInfo: " + e.getMessage(), e);
}
}
public void encodeData(AsnOutputStream asnOS) throws MAPException {
if (this.reason == null)
throw new MAPException("Error decoding MAP-RefuseInfo: Reason field must not be empty");
try {
asnOS.writeInteger(Tag.CLASS_UNIVERSAL, Tag.ENUMERATED, this.reason.getCode());
if (this.extensionContainer != null)
((MAPExtensionContainerImpl) this.extensionContainer).encodeAll(asnOS);
if (this.alternativeAcn != null)
asnOS.writeObjectIdentifier(this.alternativeAcn.getOid());
} catch (IOException e) {
throw new MAPException("IOException when encoding MAPRefuseInfo: " + e.getMessage(), e);
} catch (AsnException e) {
throw new MAPException("AsnException when encoding MAPRefuseInfo: " + e.getMessage(), e);
}
}
}