/*
* 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.mobility.locationManagement;
import java.io.IOException;
import java.util.Arrays;
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.service.mobility.locationManagement.LAC;
import org.mobicents.protocols.ss7.map.primitives.MAPAsnPrimitive;
/**
*
*
* @author sergey vetyutnev
*
*/
public class LACImpl implements LAC, MAPAsnPrimitive {
public static final String _PrimitiveName = "LAC";
private byte[] data;
public LACImpl() {
}
public LACImpl(byte[] data) {
this.data = data;
}
public LACImpl(int lac) throws MAPException {
this.data = new byte[2];
data[0] = (byte) (lac / 256);
data[1] = (byte) (lac % 256);
}
public byte[] getData() {
return data;
}
public int getLac() throws MAPException {
if (data == null)
throw new MAPException("Data must not be empty");
if (data.length != 2)
throw new MAPException("Data length must be equal 5");
int res = (data[0] & 0xFF) * 256 + (data[1] & 0xFF);
return res;
}
public int getTag() throws MAPException {
return Tag.STRING_OCTET;
}
public int getTagClass() {
return Tag.CLASS_UNIVERSAL;
}
public boolean getIsPrimitive() {
return true;
}
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);
}
}
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 {
try {
this.data = ansIS.readOctetStringData(length);
if (this.data.length != 2)
throw new MAPParsingComponentException("Error decoding " + _PrimitiveName
+ ": the field must contain from 2 to 2 octets. Contains: " + length,
MAPParsingComponentExceptionReason.MistypedParameter);
} catch (IOException e) {
throw new MAPParsingComponentException("IOException when decoding LAIFixedLength: " + e.getMessage(), e,
MAPParsingComponentExceptionReason.MistypedParameter);
}
}
public void encodeAll(AsnOutputStream asnOs) throws MAPException {
this.encodeAll(asnOs, this.getTagClass(), this.getTag());
}
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);
}
}
public void encodeData(AsnOutputStream asnOs) throws MAPException {
if (this.data == null)
throw new MAPException("Error while encoding the " + _PrimitiveName + ": data is not defined");
if (this.data.length != 2)
throw new MAPException("Error while encoding the " + _PrimitiveName + ": field length must be equal 2");
asnOs.writeOctetStringData(this.data);
}
@Override
public String toString() {
int lac = 0;
boolean goodData = false;
try {
lac = this.getLac();
goodData = true;
} catch (MAPException e) {
}
StringBuilder sb = new StringBuilder();
sb.append(_PrimitiveName);
sb.append(" [");
if (goodData) {
sb.append("Lac=");
sb.append(lac);
} else {
sb.append("Data=");
sb.append(this.printDataArr());
}
sb.append("]");
return sb.toString();
}
private String printDataArr() {
StringBuilder sb = new StringBuilder();
if (this.data != null) {
for (int b : this.data) {
sb.append(b);
sb.append(" ");
}
}
return sb.toString();
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + Arrays.hashCode(data);
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
LACImpl other = (LACImpl) obj;
if (!Arrays.equals(data, other.data))
return false;
return true;
}
}