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/*
* 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.restcomm.protocols.ss7.map.primitives;
import java.io.IOException;
import javolution.xml.XMLFormat;
import javolution.xml.stream.XMLStreamException;
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.restcomm.protocols.ss7.map.api.MAPException;
import org.restcomm.protocols.ss7.map.api.MAPParsingComponentException;
import org.restcomm.protocols.ss7.map.api.MAPParsingComponentExceptionReason;
import org.restcomm.protocols.ss7.map.api.primitives.AddressNature;
import org.restcomm.protocols.ss7.map.api.primitives.AddressString;
import org.restcomm.protocols.ss7.map.api.primitives.NumberingPlan;
/**
*
* @author amit bhayani
* @author sergey vetyutnev
*
*/
public class AddressStringImpl implements AddressString, MAPAsnPrimitive {
private static final String NAI = "nai";
private static final String NPI = "npi";
private static final String NUMBER = "number";
private static final String DEFAULT_STRING_VALUE = null;
protected int NO_EXTENSION_MASK = 0x80;
protected int NATURE_OF_ADD_IND_MASK = 0x70;
protected int NUMBERING_PLAN_IND_MASK = 0x0F;
protected AddressNature addressNature;
protected NumberingPlan numberingPlan;
protected String address;
private boolean isExtension;
public AddressStringImpl() {
}
public AddressStringImpl(AddressNature addressNature, NumberingPlan numberingPlan, String address) {
super();
this.addressNature = addressNature;
this.numberingPlan = numberingPlan;
this.address = address;
}
public AddressStringImpl(boolean isExtension, AddressNature addressNature, NumberingPlan numberingPlan, String address) {
super();
this.isExtension = isExtension;
this.addressNature = addressNature;
this.numberingPlan = numberingPlan;
this.address = address;
}
public String getAddress() {
return this.address;
}
public AddressNature getAddressNature() {
return this.addressNature;
}
public NumberingPlan getNumberingPlan() {
return this.numberingPlan;
}
public boolean isExtension() {
return isExtension;
}
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 AddressString: " + 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 AddressString: " + e.getMessage(), e,
MAPParsingComponentExceptionReason.MistypedParameter);
}
}
protected void _testLengthDecode(int length) throws MAPParsingComponentException {
if (length > 20)
throw new MAPParsingComponentException("Error when decoding AddressString: mesage length must not exceed 20",
MAPParsingComponentExceptionReason.MistypedParameter);
}
protected void _decode(AsnInputStream ansIS, int length) throws MAPParsingComponentException, IOException {
this._testLengthDecode(length);
// The first byte has extension, nature of address indicator and
// numbering plan indicator
int nature = ansIS.read();
if ((nature & NO_EXTENSION_MASK) == 0x80) {
this.isExtension = false;
} else {
this.isExtension = true;
}
int natureOfAddInd = ((nature & NATURE_OF_ADD_IND_MASK) >> 4);
this.addressNature = AddressNature.getInstance(natureOfAddInd);
int numbPlanInd = (nature & NUMBERING_PLAN_IND_MASK);
this.numberingPlan = NumberingPlan.getInstance(numbPlanInd);
this.address = TbcdString.decodeString(ansIS, length - 1);
}
public void encodeAll(AsnOutputStream asnOs) throws MAPException {
this.encodeAll(asnOs, Tag.CLASS_UNIVERSAL, Tag.STRING_OCTET);
}
public void encodeAll(AsnOutputStream asnOs, int tagClass, int tag) throws MAPException {
try {
asnOs.writeTag(tagClass, true, tag);
int pos = asnOs.StartContentDefiniteLength();
this.encodeData(asnOs);
asnOs.FinalizeContent(pos);
} catch (AsnException e) {
throw new MAPException("AsnException when encoding AddressString: " + e.getMessage(), e);
}
}
protected void _testLengthEncode() throws MAPException {
if (this.address.length() > 38)
throw new MAPException("Error when encoding AddressString: address length must not exceed 38 digits");
}
public void encodeData(AsnOutputStream asnOs) throws MAPException {
if (this.addressNature == null || this.numberingPlan == null || this.address == null)
throw new MAPException("Error when encoding AddressString: addressNature, numberingPlan or address is empty");
this._testLengthEncode();
int nature = 1;
if (this.isExtension) {
nature = 0;
}
nature = nature << 7;
nature = nature | (this.addressNature.getIndicator() << 4);
nature = nature | (this.numberingPlan.getIndicator());
asnOs.write(nature);
TbcdString.encodeString(asnOs, this.address);
}
@Override
public String toString() {
return "AddressString[AddressNature=" + this.addressNature.toString() + ", NumberingPlan="
+ this.numberingPlan.toString() + ", Address=" + this.address + "]";
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((address == null) ? 0 : address.hashCode());
result = prime * result + ((addressNature == null) ? 0 : addressNature.hashCode());
result = prime * result + ((numberingPlan == null) ? 0 : numberingPlan.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;
AddressStringImpl other = (AddressStringImpl) obj;
if (address == null) {
if (other.address != null)
return false;
} else if (!address.equals(other.address))
return false;
if (addressNature != other.addressNature)
return false;
if (numberingPlan != other.numberingPlan)
return false;
return true;
}
/**
* XML Serialization/Deserialization
*/
protected static final XMLFormat ADDRESS_STRING_XML = new XMLFormat(
AddressStringImpl.class) {
@Override
public void read(javolution.xml.XMLFormat.InputElement xml, AddressStringImpl addressStringImpl)
throws XMLStreamException {
addressStringImpl.address = xml.getAttribute(NUMBER, "");
String nai = xml.getAttribute(NAI, DEFAULT_STRING_VALUE);
String npi = xml.getAttribute(NPI, DEFAULT_STRING_VALUE);
if (nai != null) {
addressStringImpl.addressNature = Enum.valueOf(AddressNature.class, nai);
}
if (npi != null) {
addressStringImpl.numberingPlan = Enum.valueOf(NumberingPlan.class, npi);
}
}
@Override
public void write(AddressStringImpl addressStringImpl, javolution.xml.XMLFormat.OutputElement xml)
throws XMLStreamException {
xml.setAttribute(NUMBER, addressStringImpl.address);
xml.setAttribute(NAI, addressStringImpl.addressNature.toString());
xml.setAttribute(NPI, addressStringImpl.numberingPlan.toString());
}
};
}
