/*
* 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.service.lsm;
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.datacoding.CBSDataCodingScheme;
import org.mobicents.protocols.ss7.map.api.primitives.USSDString;
import org.mobicents.protocols.ss7.map.api.service.lsm.LCSCodeword;
import org.mobicents.protocols.ss7.map.datacoding.CBSDataCodingSchemeImpl;
import org.mobicents.protocols.ss7.map.primitives.MAPAsnPrimitive;
import org.mobicents.protocols.ss7.map.primitives.USSDStringImpl;
/**
* @author amit bhayani
*
*/
public class LCSCodewordImpl implements LCSCodeword, MAPAsnPrimitive {
private static final int _TAG_DATA_CODING_SCHEME = 0;
private static final int _TAG_LCS_CODE_WORD_STRING = 1;
public static final String _PrimitiveName = "LCSCodeword";
private CBSDataCodingScheme dataCodingScheme;
private USSDString lcsCodewordString;
/**
*
*/
public LCSCodewordImpl() {
super();
// TODO Auto-generated constructor stub
}
/**
* @param dataCodingScheme
* @param lcsCodewordString
*/
public LCSCodewordImpl(CBSDataCodingScheme dataCodingScheme, USSDString lcsCodewordString) {
super();
this.dataCodingScheme = dataCodingScheme;
this.lcsCodewordString = lcsCodewordString;
}
/*
* (non-Javadoc)
*
* @see org.mobicents.protocols.ss7.map.api.service.lsm.LCSCodeword# getDataCodingScheme()
*/
public CBSDataCodingScheme getDataCodingScheme() {
return this.dataCodingScheme;
}
/*
* (non-Javadoc)
*
* @see org.mobicents.protocols.ss7.map.api.service.lsm.LCSCodeword# getLCSCodewordString()
*/
public USSDString getLCSCodewordString() {
return this.lcsCodewordString;
}
/*
* (non-Javadoc)
*
* @see org.mobicents.protocols.ss7.map.api.primitives.MAPAsnPrimitive#getTag()
*/
public int getTag() throws MAPException {
return Tag.SEQUENCE;
}
/*
* (non-Javadoc)
*
* @see org.mobicents.protocols.ss7.map.api.primitives.MAPAsnPrimitive#getTagClass ()
*/
public int getTagClass() {
return Tag.CLASS_UNIVERSAL;
}
/*
* (non-Javadoc)
*
* @see org.mobicents.protocols.ss7.map.api.primitives.MAPAsnPrimitive#getIsPrimitive ()
*/
public boolean getIsPrimitive() {
return false;
}
/*
* (non-Javadoc)
*
* @see org.mobicents.protocols.ss7.map.api.primitives.MAPAsnPrimitive#decodeAll
* (org.mobicents.protocols.asn.AsnInputStream)
*/
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);
}
}
/*
* (non-Javadoc)
*
* @see org.mobicents.protocols.ss7.map.api.primitives.MAPAsnPrimitive#decodeData
* (org.mobicents.protocols.asn.AsnInputStream, int)
*/
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 asnIS, int length) throws MAPParsingComponentException, IOException, AsnException {
this.dataCodingScheme = null;
this.lcsCodewordString = null;
AsnInputStream ais = asnIS.readSequenceStreamData(length);
int tag = ais.readTag();
// Decode mandatory dataCodingScheme [0] USSD-DataCodingScheme,
if (ais.getTagClass() != Tag.CLASS_CONTEXT_SPECIFIC || !ais.isTagPrimitive() || tag != _TAG_DATA_CODING_SCHEME) {
throw new MAPParsingComponentException(
"Error while decoding LCSCodeword: Parameter 0[dataCodingScheme [0] USSD-DataCodingScheme] bad tag class, tag or not primitive",
MAPParsingComponentExceptionReason.MistypedParameter);
}
int length1 = ais.readLength();
this.dataCodingScheme = new CBSDataCodingSchemeImpl(ais.readOctetStringData(length1)[0]);
tag = ais.readTag();
// Decode mandatory lcsCodewordString [1] LCSCodewordString,
if (ais.getTagClass() != Tag.CLASS_CONTEXT_SPECIFIC || !ais.isTagPrimitive() || tag != _TAG_LCS_CODE_WORD_STRING) {
throw new MAPParsingComponentException(
"Error while decoding LCSCodeword: Parameter 1[lcsCodewordString [1] LCSCodewordString] bad tag class, tag or not primitive",
MAPParsingComponentExceptionReason.MistypedParameter);
}
this.lcsCodewordString = new USSDStringImpl(this.dataCodingScheme);
((USSDStringImpl) this.lcsCodewordString).decodeAll(ais);
while (true) {
if (ais.available() == 0)
break;
switch (ais.readTag()) {
default:
ais.advanceElement();
break;
}
}
}
/*
* (non-Javadoc)
*
* @see org.mobicents.protocols.ss7.map.api.primitives.MAPAsnPrimitive#encodeAll
* (org.mobicents.protocols.asn.AsnOutputStream)
*/
public void encodeAll(AsnOutputStream asnOs) throws MAPException {
this.encodeAll(asnOs, this.getTagClass(), this.getTag());
}
/*
* (non-Javadoc)
*
* @see org.mobicents.protocols.ss7.map.api.primitives.MAPAsnPrimitive#encodeAll
* (org.mobicents.protocols.asn.AsnOutputStream, int, int)
*/
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);
}
}
/*
* (non-Javadoc)
*
* @see org.mobicents.protocols.ss7.map.api.primitives.MAPAsnPrimitive#encodeData
* (org.mobicents.protocols.asn.AsnOutputStream)
*/
public void encodeData(AsnOutputStream asnOs) throws MAPException {
if (this.lcsCodewordString == null)
throw new MAPException("lcsCodewordString must not be null");
try {
asnOs.writeOctetString(Tag.CLASS_CONTEXT_SPECIFIC, _TAG_DATA_CODING_SCHEME,
new byte[] { (byte) this.dataCodingScheme.getCode() });
((USSDStringImpl) this.lcsCodewordString).encodeAll(asnOs, Tag.CLASS_CONTEXT_SPECIFIC, _TAG_LCS_CODE_WORD_STRING);
} catch (IOException e) {
throw new MAPException("IOException when encoding LCSClientName", e);
} catch (AsnException e) {
throw new MAPException("AsnException when encoding LCSClientName", e);
}
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + dataCodingScheme.getCode();
result = prime * result + ((lcsCodewordString == null) ? 0 : lcsCodewordString.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
LCSCodewordImpl other = (LCSCodewordImpl) obj;
if (dataCodingScheme.getCode() != other.dataCodingScheme.getCode())
return false;
if (lcsCodewordString == null) {
if (other.lcsCodewordString != null)
return false;
} else if (!lcsCodewordString.equals(other.lcsCodewordString))
return false;
return true;
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append(_PrimitiveName);
sb.append(" [");
sb.append("dataCodingScheme=");
sb.append(this.dataCodingScheme);
if (this.lcsCodewordString != null) {
sb.append(", lcsCodewordString=");
sb.append(this.lcsCodewordString.toString());
}
sb.append("]");
return sb.toString();
}
}