/*
* 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.cap.primitives;
import java.io.IOException;
import java.util.ArrayList;
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.cap.api.CAPException;
import org.mobicents.protocols.ss7.cap.api.CAPParsingComponentException;
import org.mobicents.protocols.ss7.cap.api.CAPParsingComponentExceptionReason;
import org.mobicents.protocols.ss7.cap.api.primitives.CAPExtensions;
import org.mobicents.protocols.ss7.cap.api.primitives.ExtensionField;
import org.mobicents.protocols.ss7.map.primitives.ArrayListSerializingBase;
/**
*
* @author sergey vetyutnev
*
*/
public class CAPExtensionsImpl implements CAPExtensions, CAPAsnPrimitive {
public static final String _PrimitiveName = "CAPExtensions";
private static final String EXTENSION_FIELD = "extensionField";
private static final String EXTENSION_FIELD_LIST = "extensionFieldList";
private ArrayList<ExtensionField> extensionFields;
public CAPExtensionsImpl() {
}
public CAPExtensionsImpl(ArrayList<ExtensionField> fieldsList) {
this.extensionFields = fieldsList;
}
@Override
public ArrayList<ExtensionField> getExtensionFields() {
return extensionFields;
}
@Override
public void setExtensionFields(ArrayList<ExtensionField> fieldsList) {
this.extensionFields = fieldsList;
}
@Override
public int getTag() throws CAPException {
return Tag.SEQUENCE;
}
@Override
public int getTagClass() {
return Tag.CLASS_UNIVERSAL;
}
@Override
public boolean getIsPrimitive() {
return false;
}
@Override
public void decodeAll(AsnInputStream ansIS) throws CAPParsingComponentException {
try {
int length = ansIS.readLength();
this._decode(ansIS, length);
} catch (IOException e) {
throw new CAPParsingComponentException("IOException when decoding " + _PrimitiveName + ": " + e.getMessage(), e,
CAPParsingComponentExceptionReason.MistypedParameter);
} catch (AsnException e) {
throw new CAPParsingComponentException("AsnException when decoding " + _PrimitiveName + ": " + e.getMessage(), e,
CAPParsingComponentExceptionReason.MistypedParameter);
}
}
@Override
public void decodeData(AsnInputStream ansIS, int length) throws CAPParsingComponentException {
try {
this._decode(ansIS, length);
} catch (IOException e) {
throw new CAPParsingComponentException("IOException when decoding " + _PrimitiveName + ": " + e.getMessage(), e,
CAPParsingComponentExceptionReason.MistypedParameter);
} catch (AsnException e) {
throw new CAPParsingComponentException("AsnException when decoding " + _PrimitiveName + ": " + e.getMessage(), e,
CAPParsingComponentExceptionReason.MistypedParameter);
}
}
private void _decode(AsnInputStream ansIS, int length) throws CAPParsingComponentException, IOException, AsnException {
this.extensionFields = null;
ArrayList<ExtensionField> res = new ArrayList<ExtensionField>();
AsnInputStream ais = ansIS.readSequenceStreamData(length);
while (true) {
if (ais.available() == 0)
break;
int tag = ais.readTag();
if (ais.getTagClass() != Tag.CLASS_UNIVERSAL || tag != Tag.SEQUENCE || ais.isTagPrimitive())
throw new CAPParsingComponentException("Error while decoding " + _PrimitiveName
+ ": Bad ExtensionField tag or tag class or is primitive",
CAPParsingComponentExceptionReason.MistypedParameter);
ExtensionFieldImpl elem = new ExtensionFieldImpl();
elem.decodeAll(ais);
res.add(elem);
}
this.extensionFields = res;
}
@Override
public void encodeAll(AsnOutputStream asnOs) throws CAPException {
this.encodeAll(asnOs, this.getTagClass(), this.getTag());
}
@Override
public void encodeAll(AsnOutputStream asnOs, int tagClass, int tag) throws CAPException {
try {
asnOs.writeTag(tagClass, false, tag);
int pos = asnOs.StartContentDefiniteLength();
this.encodeData(asnOs);
asnOs.FinalizeContent(pos);
} catch (AsnException e) {
throw new CAPException("AsnException when encoding " + _PrimitiveName + ": " + e.getMessage(), e);
}
}
@Override
public void encodeData(AsnOutputStream asnOs) throws CAPException {
if (this.extensionFields == null)
throw new CAPException("Error while decoding " + _PrimitiveName + ": extensionFields field must not be null");
if (this.extensionFields.size() < 1 || this.extensionFields.size() > 10)
throw new CAPException("Error while decoding " + _PrimitiveName
+ ": extensionFields field length must be from 1 to 10");
for (ExtensionField fld : this.extensionFields) {
((ExtensionFieldImpl) fld).encodeAll(asnOs);
}
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append(_PrimitiveName);
sb.append(" [");
if (this.extensionFields != null) {
boolean isFirst = true;
for (ExtensionField fld : this.extensionFields) {
if (isFirst)
isFirst = false;
else
sb.append("\n");
sb.append(fld.toString());
}
}
sb.append("]");
return sb.toString();
}
/**
* XML Serialization/Deserialization
*/
protected static final XMLFormat<CAPExtensionsImpl> CAP_Extensions_XML = new XMLFormat<CAPExtensionsImpl>(
CAPExtensionsImpl.class) {
@Override
public void read(javolution.xml.XMLFormat.InputElement xml, CAPExtensionsImpl capExtensions) throws XMLStreamException {
CAPExtensions_ExtensionFields al = xml.get(EXTENSION_FIELD_LIST, CAPExtensions_ExtensionFields.class);
if (al != null) {
capExtensions.extensionFields = al.getData();
}
}
@Override
public void write(CAPExtensionsImpl capExtensions, javolution.xml.XMLFormat.OutputElement xml)
throws XMLStreamException {
if (capExtensions.extensionFields == null || capExtensions.extensionFields.size() == 0)
return;
if (capExtensions.extensionFields != null) {
CAPExtensions_ExtensionFields al = new CAPExtensions_ExtensionFields(capExtensions.extensionFields);
xml.add(al, EXTENSION_FIELD_LIST, CAPExtensions_ExtensionFields.class);
}
}
};
public static class CAPExtensions_ExtensionFields extends ArrayListSerializingBase<ExtensionField> {
public CAPExtensions_ExtensionFields() {
super(EXTENSION_FIELD, ExtensionFieldImpl.class);
}
public CAPExtensions_ExtensionFields(ArrayList<ExtensionField> data) {
super(EXTENSION_FIELD, ExtensionFieldImpl.class, data);
}
}
}