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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 javolution.xml.XMLFormat;
import javolution.xml.stream.XMLStreamException;
import org.mobicents.protocols.asn.AsnInputStream;
import org.mobicents.protocols.asn.AsnOutputStream;
import org.restcomm.protocols.ss7.map.api.MAPException;
import org.restcomm.protocols.ss7.map.api.MAPParsingComponentException;
import org.restcomm.protocols.ss7.map.api.primitives.LAIFixedLength;
/**
*
*
* @author sergey vetyutnev
*
*/
public class LAIFixedLengthImpl extends OctetStringBase implements LAIFixedLength {
private static final String MCC = "mcc";
private static final String MNC = "mnc";
private static final String LAC = "lac";
private static final int DEFAULT_INT_VALUE = 0;
public LAIFixedLengthImpl() {
super(5, 5, "LAIFixedLength");
}
public LAIFixedLengthImpl(byte[] data) {
super(5, 5, "LAIFixedLength", data);
}
public LAIFixedLengthImpl(int mcc, int mnc, int lac) throws MAPException {
super(5, 5, "LAIFixedLength");
this.setData(mcc, mnc, lac);
}
public void setData(int mcc, int mnc, int lac) throws MAPException {
if (mcc < 1 || mcc > 999)
throw new MAPException("Bad mcc value");
if (mnc < 0 || mnc > 999)
throw new MAPException("Bad mnc value");
this.data = new byte[5];
StringBuilder sb = new StringBuilder();
StringBuilder sb2 = new StringBuilder();
if (mcc < 100)
sb.append("0");
if (mcc < 10)
sb.append("0");
sb.append(mcc);
if (mnc < 100) {
if (mnc < 10)
sb2.append("0");
sb2.append(mnc);
} else {
sb.append(mnc % 10);
sb2.append(mnc / 10);
}
AsnOutputStream asnOs = new AsnOutputStream();
TbcdString.encodeString(asnOs, sb.toString());
System.arraycopy(asnOs.toByteArray(), 0, this.data, 0, 2);
asnOs = new AsnOutputStream();
TbcdString.encodeString(asnOs, sb2.toString());
System.arraycopy(asnOs.toByteArray(), 0, this.data, 2, 1);
data[3] = (byte) (lac / 256);
data[4] = (byte) (lac % 256);
}
public byte[] getData() {
return data;
}
public int getMCC() throws MAPException {
if (data == null)
throw new MAPException("Data must not be empty");
if (data.length != 5)
throw new MAPException("Data length must be equal 7");
AsnInputStream ansIS = new AsnInputStream(data);
String res = null;
try {
res = TbcdString.decodeString(ansIS, 3);
} catch (IOException e) {
throw new MAPException("IOException when decoding TbcdString: " + e.getMessage(), e);
} catch (MAPParsingComponentException e) {
throw new MAPException("MAPParsingComponentException when decoding TbcdString: " + e.getMessage(), e);
}
if (res.length() < 5 || res.length() > 6)
throw new MAPException("Decoded TbcdString must be equal 5 or 6");
String sMcc = res.substring(0, 3);
return Integer.parseInt(sMcc);
}
public int getMNC() throws MAPException {
if (data == null)
throw new MAPException("Data must not be empty");
if (data.length != 5)
throw new MAPException("Data length must be equal 7");
AsnInputStream ansIS = new AsnInputStream(data);
String res = null;
try {
res = TbcdString.decodeString(ansIS, 3);
} catch (IOException e) {
throw new MAPException("IOException when decoding TbcdString: " + e.getMessage(), e);
} catch (MAPParsingComponentException e) {
throw new MAPException("MAPParsingComponentException when decoding TbcdString: " + e.getMessage(), e);
}
if (res.length() < 5 || res.length() > 6)
throw new MAPException("Decoded TbcdString must be equal 5 or 6");
String sMnc;
if (res.length() == 5) {
sMnc = res.substring(3);
} else {
sMnc = res.substring(4) + res.substring(3, 4);
}
return Integer.parseInt(sMnc);
}
public int getLac() throws MAPException {
if (data == null)
throw new MAPException("Data must not be empty");
if (data.length != 5)
throw new MAPException("Data length must be equal 5");
int res = (data[3] & 0xFF) * 256 + (data[4] & 0xFF);
return res;
}
@Override
public String toString() {
int mcc = 0;
int mnc = 0;
int lac = 0;
boolean goodData = false;
try {
mcc = this.getMCC();
mnc = this.getMNC();
lac = this.getLac();
goodData = true;
} catch (MAPException e) {
}
StringBuilder sb = new StringBuilder();
sb.append(this._PrimitiveName);
sb.append(" [");
if (goodData) {
sb.append("MCC=");
sb.append(mcc);
sb.append(", MNC=");
sb.append(mnc);
sb.append(", Lac=");
sb.append(lac);
} else {
sb.append("Data=");
sb.append(this.printDataArr());
}
sb.append("]");
return sb.toString();
}
/**
* XML Serialization/Deserialization
*/
protected static final XMLFormat LAI_FIXED_LENGTH_XML = new XMLFormat(
LAIFixedLengthImpl.class) {
@Override
public void read(javolution.xml.XMLFormat.InputElement xml, LAIFixedLengthImpl laiFixedLength)
throws XMLStreamException {
int mcc = xml.getAttribute(MCC, DEFAULT_INT_VALUE);
int mnc = xml.getAttribute(MNC, DEFAULT_INT_VALUE);
int lac = xml.getAttribute(LAC, DEFAULT_INT_VALUE);
try {
laiFixedLength.setData(mcc, mnc, lac);
} catch (MAPException e) {
throw new XMLStreamException("MAPException when deserializing LAIFixedLengthImpl", e);
}
}
@Override
public void write(LAIFixedLengthImpl laiFixedLength, javolution.xml.XMLFormat.OutputElement xml)
throws XMLStreamException {
try {
xml.setAttribute(MCC, laiFixedLength.getMCC());
xml.setAttribute(MNC, laiFixedLength.getMNC());
xml.setAttribute(LAC, laiFixedLength.getLac());
} catch (MAPException e) {
throw new XMLStreamException("MAPException when serializing LAIFixedLengthImpl", e);
}
}
};
}
