/*
* TeleStax, Open Source Cloud Communications
* Copyright 2012, Telestax 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.primitives;
import java.io.IOException;
import java.util.Arrays;
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.mobicents.protocols.ss7.isup.impl.message.parameter.ByteArrayContainer;
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.MAPPrivateExtension;
/**
* @author sergey vetyutnev
*
*/
public class MAPPrivateExtensionImpl implements MAPPrivateExtension, MAPAsnPrimitive {
private static final String OID = "oid";
private static final String DATA = "data";
private static final String DEFAULT_STRING = null;
private long[] oId;
private byte[] data;
public MAPPrivateExtensionImpl() {
}
public MAPPrivateExtensionImpl(long[] oId, byte[] data) {
this.oId = oId;
this.data = data;
}
/*
* (non-Javadoc)
*
* @see org.mobicents.protocols.ss7.map.api.dialog.MAPPrivateExtension#getOId()
*/
public long[] getOId() {
return this.oId;
}
/*
* (non-Javadoc)
*
* @see org.mobicents.protocols.ss7.map.api.dialog.MAPPrivateExtension#setOId (long[])
*/
public void setOId(long[] oId) {
this.oId = oId;
}
/*
* (non-Javadoc)
*
* @see org.mobicents.protocols.ss7.map.api.dialog.MAPPrivateExtension#getData()
*/
public byte[] getData() {
return this.data;
}
/*
* (non-Javadoc)
*
* @see org.mobicents.protocols.ss7.map.api.dialog.MAPPrivateExtension#setData (byte[])
*/
public void setData(byte[] data) {
this.data = data;
}
public int getTag() throws MAPException {
return Tag.SEQUENCE;
}
public int getTagClass() {
return Tag.CLASS_UNIVERSAL;
}
public boolean getIsPrimitive() {
return false;
}
public void decodeAll(AsnInputStream ansIS) throws MAPParsingComponentException {
// Definition from GSM 09.02 version 5.15.1 Page 690
// 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,
// ... }
try {
AsnInputStream ais = ansIS.readSequenceStream();
this._decode(ais);
} catch (IOException e) {
throw new MAPParsingComponentException("IOException when decoding PrivateExtension: " + e.getMessage(), e,
MAPParsingComponentExceptionReason.MistypedParameter);
} catch (AsnException e) {
throw new MAPParsingComponentException("AsnException when decoding PrivateExtension: " + e.getMessage(), e,
MAPParsingComponentExceptionReason.MistypedParameter);
}
}
public void decodeData(AsnInputStream ansIS, int length) throws MAPParsingComponentException {
try {
AsnInputStream ais = ansIS.readSequenceStreamData(length);
this._decode(ais);
} catch (IOException e) {
throw new MAPParsingComponentException("IOException when decoding PrivateExtension: " + e.getMessage(), e,
MAPParsingComponentExceptionReason.MistypedParameter);
} catch (AsnException e) {
throw new MAPParsingComponentException("AsnException when decoding PrivateExtension: " + e.getMessage(), e,
MAPParsingComponentExceptionReason.MistypedParameter);
}
}
private void _decode(AsnInputStream ansIS) throws MAPParsingComponentException, IOException, AsnException {
// extId
int tag = ansIS.readTag();
if (tag != Tag.OBJECT_IDENTIFIER || ansIS.getTagClass() != Tag.CLASS_UNIVERSAL || !ansIS.isTagPrimitive())
throw new MAPParsingComponentException(
"Error decoding PrivateExtension: bad tag, tagClass or primitiveFactor of ExtentionId",
MAPParsingComponentExceptionReason.MistypedParameter);
this.oId = ansIS.readObjectIdentifier();
// extType
if (ansIS.available() > 0) {
this.data = new byte[ansIS.available()];
ansIS.read(this.data);
} else
this.data = null;
}
public void encodeAll(AsnOutputStream asnOs) throws MAPException {
this.encodeAll(asnOs, Tag.CLASS_UNIVERSAL, Tag.SEQUENCE);
}
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 PrivateExtension: " + e.getMessage(), e);
}
}
public void encodeData(AsnOutputStream asnOs) throws MAPException {
if (this.oId == null || this.oId.length < 2)
throw new MAPException(
"Error when encoding PrivateExtension: OId value must not be empty when coding PrivateExtension");
try {
asnOs.writeObjectIdentifier(this.oId);
if (this.data != null)
asnOs.write(this.data);
} catch (IOException e) {
throw new MAPException("IOException when encoding PrivateExtension: " + e.getMessage(), e);
} catch (AsnException e) {
throw new MAPException("AsnException when encoding PrivateExtension: " + e.getMessage(), e);
}
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append("PrivateExtension [");
if (this.oId != null || this.oId.length > 0) {
sb.append("Oid=");
sb.append(this.ArrayToString(this.oId));
}
if (this.data != null) {
sb.append(", data=");
sb.append(this.ArrayToString(this.data));
}
sb.append("]");
return sb.toString();
}
private String ArrayToString(byte[] array) {
StringBuilder sb = new StringBuilder();
int i1 = 0;
for (byte b : array) {
if (i1 == 0)
i1 = 1;
else
sb.append(", ");
sb.append(b);
}
return sb.toString();
}
private String ArrayToString(long[] array) {
StringBuilder sb = new StringBuilder();
int i1 = 0;
for (long b : array) {
if (i1 == 0)
i1 = 1;
else
sb.append(", ");
sb.append(b);
}
return sb.toString();
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + Arrays.hashCode(data);
result = prime * result + Arrays.hashCode(oId);
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
MAPPrivateExtensionImpl other = (MAPPrivateExtensionImpl) obj;
if (!Arrays.equals(data, other.data))
return false;
if (!Arrays.equals(oId, other.oId))
return false;
return true;
}
/**
* XML Serialization/Deserialization
*/
protected static final XMLFormat<MAPPrivateExtensionImpl> MAP_PRIVATE_EXTENSION_XML = new XMLFormat<MAPPrivateExtensionImpl>(
MAPPrivateExtensionImpl.class) {
@Override
public void read(javolution.xml.XMLFormat.InputElement xml, MAPPrivateExtensionImpl mapPrivateExtension)
throws XMLStreamException {
String globalCode = xml.getAttribute(OID, DEFAULT_STRING);
if (globalCode != null) {
OidContainer oid = new OidContainer();
try {
oid.parseSerializedData(globalCode);
} catch (NumberFormatException e) {
throw new XMLStreamException("NumberFormatException when parsing oid in MAPPrivateExtension", e);
}
mapPrivateExtension.oId = oid.getData();
}
ByteArrayContainer bc = xml.get(DATA, ByteArrayContainer.class);
if (bc != null) {
mapPrivateExtension.data = bc.getData();
}
}
@Override
public void write(MAPPrivateExtensionImpl mapPrivateExtension, javolution.xml.XMLFormat.OutputElement xml)
throws XMLStreamException {
if (mapPrivateExtension.oId != null) {
OidContainer oid = new OidContainer(mapPrivateExtension.oId);
xml.setAttribute(OID, oid.getSerializedData());
}
if (mapPrivateExtension.data != null) {
ByteArrayContainer bac = new ByteArrayContainer(mapPrivateExtension.data);
xml.add(bac, DATA, ByteArrayContainer.class);
}
}
};
}