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/*
* 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.restcomm.protocols.ss7.map.primitives;
import java.io.IOException;
import java.util.ArrayList;
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.restcomm.protocols.ss7.isup.impl.message.parameter.ByteArrayContainer;
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.MAPExtensionContainer;
import org.restcomm.protocols.ss7.map.api.primitives.MAPPrivateExtension;
/**
* @author sergey vetyutnev
*
*/
public class MAPExtensionContainerImpl extends SequenceBase implements MAPExtensionContainer {
protected static final int PRIVATEEXTENSIONLIST_REF_TAG = 0x00;
protected static final int PSCEXTENSIONS_REF_TAG = 0x01;
private static final String PRIVATE_EXTENSION = "privateExtension";
private static final String PRIVATE_EXTENSION_LIST = "privateExtensionList";
private static final String PCS_EXTENSIONS = "pcsExtensions";
private ArrayList privateExtensionList;
private byte[] pcsExtensions;
public MAPExtensionContainerImpl() {
super("MAPExtensionContainer");
}
public MAPExtensionContainerImpl(ArrayList privateExtensionList, byte[] pcsExtensions) {
super("MAPExtensionContainer");
this.privateExtensionList = privateExtensionList;
this.pcsExtensions = pcsExtensions;
}
public ArrayList getPrivateExtensionList() {
return this.privateExtensionList;
}
public void setPrivateExtensionList(ArrayList privateExtensionList) {
this.privateExtensionList = privateExtensionList;
}
public byte[] getPcsExtensions() {
return this.pcsExtensions;
}
public void setPcsExtensions(byte[] pcsExtensions) {
this.pcsExtensions = pcsExtensions;
}
protected void _decode(AsnInputStream ansIS, int length) throws MAPParsingComponentException, IOException, AsnException {
this.privateExtensionList = null;
this.pcsExtensions = null;
AsnInputStream ais = ansIS.readSequenceStreamData(length);
while (true) {
if (ais.available() == 0)
break;
int tag = ais.readTag();
if (tag == MAPExtensionContainerImpl.PRIVATEEXTENSIONLIST_REF_TAG
&& ais.getTagClass() == Tag.CLASS_CONTEXT_SPECIFIC) {
if (ais.isTagPrimitive())
throw new MAPParsingComponentException(
"Error while ExtensionContainer decoding: privateExtensionList is primitive",
MAPParsingComponentExceptionReason.MistypedParameter);
if (this.privateExtensionList != null)
throw new MAPParsingComponentException(
"Error while ExtensionContainer decoding: More than one PrivateExtensionList has found",
MAPParsingComponentExceptionReason.MistypedParameter);
AsnInputStream localAis2 = ais.readSequenceStream();
this.privateExtensionList = new ArrayList();
while (localAis2.available() > 0) {
tag = localAis2.readTag();
if (tag != Tag.SEQUENCE || localAis2.getTagClass() != Tag.CLASS_UNIVERSAL || localAis2.isTagPrimitive())
throw new MAPParsingComponentException(
"Error while ExtensionContainer decoding: Bad tag, tagClass or primitiveFactor of PrivateExtension",
MAPParsingComponentExceptionReason.MistypedParameter);
if (this.privateExtensionList.size() >= 10)
throw new MAPParsingComponentException(
"More then 10 PrivateExtension found when PrivateExtensionList decoding",
MAPParsingComponentExceptionReason.MistypedParameter);
MAPPrivateExtensionImpl privateExtension = new MAPPrivateExtensionImpl();
privateExtension.decodeAll(localAis2);
this.privateExtensionList.add(privateExtension);
}
} else if (tag == MAPExtensionContainerImpl.PSCEXTENSIONS_REF_TAG
&& ais.getTagClass() == Tag.CLASS_CONTEXT_SPECIFIC) {
if (ais.isTagPrimitive())
throw new MAPParsingComponentException("Error while PCS-Extensions decoding: PCS-Extensions is primitive",
MAPParsingComponentExceptionReason.MistypedParameter);
if (this.pcsExtensions != null)
throw new MAPParsingComponentException(
"Error while PCS-Extensions decoding: More than one PCS-Extensions has found",
MAPParsingComponentExceptionReason.MistypedParameter);
this.pcsExtensions = ais.readSequence();
}
}
}
public void encodeData(AsnOutputStream asnOs) throws MAPException {
if (this.privateExtensionList == null && this.pcsExtensions == null)
throw new MAPException(
"Error when encoding ExtensionContainer: Both PrivateExtensionList and PcsExtensions are empty when ExtensionContainer encoding");
if (this.privateExtensionList != null
&& (this.privateExtensionList.size() == 0 || this.privateExtensionList.size() > 10))
throw new MAPException(
"Error when encoding ExtensionContainer: PrivateExtensionList must contains from 1 to 10 elements when ExtensionContainer encoding");
try {
if (this.privateExtensionList != null) {
asnOs.writeTag(Tag.CLASS_CONTEXT_SPECIFIC, false, PRIVATEEXTENSIONLIST_REF_TAG);
int pos2 = asnOs.StartContentDefiniteLength();
for (MAPPrivateExtension pe : this.privateExtensionList) {
((MAPPrivateExtensionImpl) pe).encodeAll(asnOs);
}
asnOs.FinalizeContent(pos2);
}
if (this.pcsExtensions != null) {
asnOs.writeTag(Tag.CLASS_CONTEXT_SPECIFIC, false, PSCEXTENSIONS_REF_TAG);
int pos2 = asnOs.StartContentDefiniteLength();
asnOs.write(this.pcsExtensions);
asnOs.FinalizeContent(pos2);
}
} catch (AsnException e) {
throw new MAPException("AsnException when encoding " + _PrimitiveName + ": " + e.getMessage(), e);
}
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append(_PrimitiveName);
sb.append(" [");
if (this.privateExtensionList != null && this.privateExtensionList.size() > 0) {
for (MAPPrivateExtension pe : this.privateExtensionList) {
sb.append("\n");
sb.append(pe.toString());
}
}
if (this.pcsExtensions != null) {
sb.append("\nPcsExtensions=");
sb.append(this.ArrayToString(this.pcsExtensions));
}
sb.append("]");
return sb.toString();
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + Arrays.hashCode(pcsExtensions);
result = prime * result + ((privateExtensionList == null) ? 0 : privateExtensionList.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;
MAPExtensionContainerImpl other = (MAPExtensionContainerImpl) obj;
if (!Arrays.equals(pcsExtensions, other.pcsExtensions))
return false;
if (privateExtensionList == null) {
if (other.privateExtensionList != null)
return false;
} else if (!privateExtensionList.equals(other.privateExtensionList))
return false;
return true;
}
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();
}
/**
* XML Serialization/Deserialization
*/
protected static final XMLFormat MAP_EXTENSION_CONTAINER_XML = new XMLFormat(
MAPExtensionContainerImpl.class) {
@Override
public void read(javolution.xml.XMLFormat.InputElement xml, MAPExtensionContainerImpl mapExtensionContainer)
throws XMLStreamException {
MAPExtensionContainer_privateExtensionList al = xml.get(PRIVATE_EXTENSION_LIST,
MAPExtensionContainer_privateExtensionList.class);
if (al != null) {
mapExtensionContainer.privateExtensionList = al.getData();
}
ByteArrayContainer bc = xml.get(PCS_EXTENSIONS, ByteArrayContainer.class);
if (bc != null) {
mapExtensionContainer.pcsExtensions = bc.getData();
}
}
@Override
public void write(MAPExtensionContainerImpl mapExtensionContainer, javolution.xml.XMLFormat.OutputElement xml)
throws XMLStreamException {
if (mapExtensionContainer.privateExtensionList != null) {
MAPExtensionContainer_privateExtensionList al = new MAPExtensionContainer_privateExtensionList(
mapExtensionContainer.privateExtensionList);
xml.add(al, PRIVATE_EXTENSION_LIST, MAPExtensionContainer_privateExtensionList.class);
}
if (mapExtensionContainer.pcsExtensions != null) {
ByteArrayContainer bac = new ByteArrayContainer(mapExtensionContainer.pcsExtensions);
xml.add(bac, PCS_EXTENSIONS, ByteArrayContainer.class);
}
}
};
public static class MAPExtensionContainer_privateExtensionList extends ArrayListSerializingBase {
public MAPExtensionContainer_privateExtensionList() {
super(PRIVATE_EXTENSION, MAPPrivateExtensionImpl.class);
}
public MAPExtensionContainer_privateExtensionList(ArrayList data) {
super(PRIVATE_EXTENSION, MAPPrivateExtensionImpl.class, data);
}
}
}
