org.mobicents.protocols.ss7.map.dialog.MAPOpenInfoImpl Maven / Gradle / Ivy
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* 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.primitives.AddressString;
import org.mobicents.protocols.ss7.map.api.primitives.IMSI;
import org.mobicents.protocols.ss7.map.api.primitives.MAPExtensionContainer;
import org.mobicents.protocols.ss7.map.primitives.AddressStringImpl;
import org.mobicents.protocols.ss7.map.primitives.IMSIImpl;
import org.mobicents.protocols.ss7.map.primitives.MAPAsnPrimitive;
import org.mobicents.protocols.ss7.map.primitives.MAPExtensionContainerImpl;
/**
* Below is Ericsson MAP-OpenInfo
*
* MAP−OpenInfo ::= SEQUENCE ( imsi (0) IMSI OPTIONAL, originationReference (1) AddressString OPTIONAL, msisdn (2)
* AddressString, ... vlrNo (3) AddressString OPTIONAL )
*
* @author amit bhayani
* @author sergey vetyutnev
*
*/
public class MAPOpenInfoImpl implements MAPAsnPrimitive {
public static final int MAP_OPEN_INFO_TAG = 0x00;
protected static final int DESTINATION_REF_TAG = 0x00;
protected static final int ORIGINATION_REF_TAG = 0x01;
protected static final int ERI_MSISDN_TAG = 0x02;
protected static final int ERI_NLR_NO_TAG = 0x03;
protected static final int OPEN_INFO_TAG_CLASS = Tag.CLASS_CONTEXT_SPECIFIC;
protected static final boolean OPEN_INFO_TAG_PC_PRIMITIVE = true;
protected static final boolean OPEN_INFO_TAG_PC_CONSTRUCTED = false;
private AddressString destReference;
private AddressString origReference;
private MAPExtensionContainer extensionContainer;
private boolean eriStyle;
private IMSI eriImsi;
private AddressString eriVlrNo;
public AddressString getDestReference() {
return this.destReference;
}
public AddressString getOrigReference() {
return this.origReference;
}
public MAPExtensionContainer getExtensionContainer() {
return extensionContainer;
}
public boolean getEriStyle() {
return this.eriStyle;
}
public IMSI getEriImsi() {
return eriImsi;
}
public AddressString getEriVlrNo() {
return eriVlrNo;
}
public void setDestReference(AddressString destReference) {
this.destReference = destReference;
}
public void setOrigReference(AddressString origReference) {
this.origReference = origReference;
}
public void setExtensionContainer(MAPExtensionContainer extensionContainer) {
this.extensionContainer = extensionContainer;
}
public void setEriStyle(boolean eriStyle) {
this.eriStyle = eriStyle;
}
public void setEriImsi(IMSI eriImsi) {
this.eriImsi = eriImsi;
}
public void setEriVlrNo(AddressString eriVlrNo) {
this.eriVlrNo = eriVlrNo;
}
public int getTag() throws MAPException {
return MAP_OPEN_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 MAPOpenInfo: " + e.getMessage(), e,
MAPParsingComponentExceptionReason.MistypedParameter);
} catch (AsnException e) {
throw new MAPParsingComponentException("AsnException when decoding MAPOpenInfo: " + 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 MAPOpenInfo: " + e.getMessage(), e,
MAPParsingComponentExceptionReason.MistypedParameter);
} catch (AsnException e) {
throw new MAPParsingComponentException("AsnException when decoding MAPOpenInfo: " + e.getMessage(), e,
MAPParsingComponentExceptionReason.MistypedParameter);
}
}
private void _decode(AsnInputStream ais, int length) throws MAPParsingComponentException, IOException, AsnException {
// Definitioon from GSM 09.02 version 5.15.1 Page 690
// map-open [0] IMPLICIT SEQUENCE {
// destinationReference [0] IMPLICIT OCTET STRING ( SIZE( 1 .. 20 ) )
// OPTIONAL,
// originationReference [1] IMPLICIT OCTET STRING ( SIZE( 1 .. 20 ) )
// OPTIONAL,
// ... ,
// 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},
this.destReference = null;
this.origReference = null;
this.extensionContainer = null;
this.eriStyle = false;
this.eriImsi = null;
this.eriVlrNo = null;
AsnInputStream localAis = ais.readSequenceStreamData(length);
// checking for Ericsson-style
int startPos = localAis.position();
while (localAis.available() > 0) {
int tag = localAis.readTag();
if (localAis.getTagClass() == Tag.CLASS_CONTEXT_SPECIFIC && tag == ERI_MSISDN_TAG) {
this.eriStyle = true;
break;
}
localAis.advanceElement();
}
// parsing
localAis.position(startPos);
while (localAis.available() > 0) {
int tag = localAis.readTag();
switch (localAis.getTagClass()) {
case Tag.CLASS_CONTEXT_SPECIFIC:
switch (tag) {
case DESTINATION_REF_TAG:
if (this.eriStyle) {
this.eriImsi = new IMSIImpl();
((IMSIImpl) this.eriImsi).decodeAll(localAis);
} else {
this.destReference = new AddressStringImpl();
((AddressStringImpl) this.destReference).decodeAll(localAis);
}
break;
case ORIGINATION_REF_TAG:
this.origReference = new AddressStringImpl();
((AddressStringImpl) this.origReference).decodeAll(localAis);
break;
case ERI_MSISDN_TAG:
this.destReference = new AddressStringImpl();
((AddressStringImpl) this.destReference).decodeAll(localAis);
break;
case ERI_NLR_NO_TAG:
this.eriVlrNo = new AddressStringImpl();
((AddressStringImpl) this.eriVlrNo).decodeAll(localAis);
break;
default:
localAis.advanceElement();
break;
}
break;
case Tag.CLASS_UNIVERSAL:
switch (tag) {
case Tag.SEQUENCE:
this.extensionContainer = new MAPExtensionContainerImpl();
((MAPExtensionContainerImpl) this.extensionContainer).decodeAll(localAis);
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_OPEN_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 MAPOpenInfo: " + e.getMessage(), e);
}
}
public void encodeData(AsnOutputStream asnOS) throws MAPException {
if (this.eriStyle) {
if (this.destReference == null)
throw new MAPException(
"Error when encoding MAPOpenInf Ericsson style: destReference parameter must not be null");
if (this.eriImsi != null)
((IMSIImpl) this.eriImsi).encodeAll(asnOS, Tag.CLASS_CONTEXT_SPECIFIC, DESTINATION_REF_TAG);
if (this.origReference != null)
((AddressStringImpl) this.origReference).encodeAll(asnOS, Tag.CLASS_CONTEXT_SPECIFIC, ORIGINATION_REF_TAG);
((AddressStringImpl) this.destReference).encodeAll(asnOS, Tag.CLASS_CONTEXT_SPECIFIC, ERI_MSISDN_TAG);
if (this.eriVlrNo != null)
((AddressStringImpl) this.eriVlrNo).encodeAll(asnOS, Tag.CLASS_CONTEXT_SPECIFIC, ERI_NLR_NO_TAG);
} else {
if (this.destReference != null)
((AddressStringImpl) this.destReference).encodeAll(asnOS, Tag.CLASS_CONTEXT_SPECIFIC, DESTINATION_REF_TAG);
if (this.origReference != null)
((AddressStringImpl) this.origReference).encodeAll(asnOS, Tag.CLASS_CONTEXT_SPECIFIC, ORIGINATION_REF_TAG);
if (this.extensionContainer != null)
((MAPExtensionContainerImpl) this.extensionContainer).encodeAll(asnOS);
}
}
}
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