/* * 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.service.circuitSwitchedCall.primitive; 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.service.circuitSwitchedCall.primitive.VariableMessage; import org.mobicents.protocols.ss7.cap.api.service.circuitSwitchedCall.primitive.VariablePart; import org.mobicents.protocols.ss7.cap.primitives.SequenceBase; import org.mobicents.protocols.ss7.map.primitives.ArrayListSerializingBase; /** * * @author sergey vetyutnev * */ public class VariableMessageImpl extends SequenceBase implements VariableMessage { public static final int _ID_elementaryMessageID = 0; public static final int _ID_variableParts = 1; private static final String ELEMENTARY_MESSAGE_ID = "elementaryMessageID"; private static final String VARIABLE_PARTS = "variableParts"; private static final String VARIABLE_PART = "variablePart"; private int elementaryMessageID; private ArrayList<VariablePart> variableParts; public VariableMessageImpl() { super("VariableMessage"); } public VariableMessageImpl(int elementaryMessageID, ArrayList<VariablePart> variableParts) { super("VariableMessage"); this.elementaryMessageID = elementaryMessageID; this.variableParts = variableParts; } @Override public int getElementaryMessageID() { return elementaryMessageID; } @Override public ArrayList<VariablePart> getVariableParts() { return variableParts; } @Override protected void _decode(AsnInputStream ansIS, int length) throws CAPParsingComponentException, IOException, AsnException { this.elementaryMessageID = 0; this.variableParts = null; boolean elementaryMessageIDFound = false; AsnInputStream ais = ansIS.readSequenceStreamData(length); while (true) { if (ais.available() == 0) break; int tag = ais.readTag(); if (ais.getTagClass() == Tag.CLASS_CONTEXT_SPECIFIC) { switch (tag) { case _ID_elementaryMessageID: this.elementaryMessageID = (int) ais.readInteger(); elementaryMessageIDFound = true; break; case _ID_variableParts: this.variableParts = new ArrayList<VariablePart>(); AsnInputStream ais2 = ais.readSequenceStream(); while (true) { if (ais2.available() == 0) break; ais2.readTag(); VariablePartImpl val = new VariablePartImpl(); val.decodeAll(ais2); this.variableParts.add(val); } break; default: ais.advanceElement(); break; } } else { ais.advanceElement(); } } if (this.variableParts == null || !elementaryMessageIDFound) throw new CAPParsingComponentException("Error while decoding " + _PrimitiveName + ": elementaryMessageID and variableParts are mandatory but not found", CAPParsingComponentExceptionReason.MistypedParameter); } @Override public void encodeData(AsnOutputStream aos) throws CAPException { if (this.variableParts == null) throw new CAPException("Error while encoding " + _PrimitiveName + ": variableParts must not be null"); if (this.variableParts.size() < 1 || this.variableParts.size() > 5) throw new CAPException("Error while encoding " + _PrimitiveName + ": variableParts size must not be from 1 to 5, found: " + this.variableParts.size()); try { aos.writeInteger(Tag.CLASS_CONTEXT_SPECIFIC, _ID_elementaryMessageID, this.elementaryMessageID); aos.writeTag(Tag.CLASS_CONTEXT_SPECIFIC, false, _ID_variableParts); int pos = aos.StartContentDefiniteLength(); for (VariablePart val : this.variableParts) { if (val == null) throw new CAPException("Error while encoding " + _PrimitiveName + ": the variableParts array has null values"); ((VariablePartImpl) val).encodeAll(aos); } aos.FinalizeContent(pos); } catch (IOException e) { throw new CAPException("IOException when encoding " + _PrimitiveName + ": " + e.getMessage(), e); } catch (AsnException e) { throw new CAPException("AsnException when encoding " + _PrimitiveName + ": " + e.getMessage(), e); } } @Override public String toString() { StringBuilder sb = new StringBuilder(); sb.append(_PrimitiveName); sb.append(" ["); sb.append("elementaryMessageID="); sb.append(elementaryMessageID); if (this.variableParts != null) { sb.append(", variableParts=["); for (VariablePart val : this.variableParts) { if (val != null) { sb.append("variablePart=["); sb.append(val.toString()); sb.append("], "); } } sb.append("]"); } sb.append("]"); return sb.toString(); } /** * XML Serialization/Deserialization */ protected static final XMLFormat<VariableMessageImpl> VARIABLE_MESSAGE_XML = new XMLFormat<VariableMessageImpl>( VariableMessageImpl.class) { @Override public void read(javolution.xml.XMLFormat.InputElement xml, VariableMessageImpl variableMessage) throws XMLStreamException { variableMessage.elementaryMessageID = xml.getAttribute(ELEMENTARY_MESSAGE_ID, 0); VariableMessage_VariableParts al = xml.get(VARIABLE_PARTS, VariableMessage_VariableParts.class); if (al != null) { variableMessage.variableParts = al.getData(); } } @Override public void write(VariableMessageImpl variableMessage, javolution.xml.XMLFormat.OutputElement xml) throws XMLStreamException { xml.setAttribute(ELEMENTARY_MESSAGE_ID, variableMessage.elementaryMessageID); if (variableMessage.variableParts != null) { VariableMessage_VariableParts al = new VariableMessage_VariableParts(variableMessage.variableParts); xml.add(al, VARIABLE_PARTS, VariableMessage_VariableParts.class); } } }; public static class VariableMessage_VariableParts extends ArrayListSerializingBase<VariablePart> { public VariableMessage_VariableParts() { super(VARIABLE_PART, VariablePartImpl.class); } public VariableMessage_VariableParts(ArrayList<VariablePart> data) { super(VARIABLE_PART, VariablePartImpl.class, data); } } }