/* * 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.MessageID; import org.mobicents.protocols.ss7.cap.api.service.circuitSwitchedCall.primitive.MessageIDText; import org.mobicents.protocols.ss7.cap.api.service.circuitSwitchedCall.primitive.VariableMessage; import org.mobicents.protocols.ss7.cap.primitives.CAPAsnPrimitive; import org.mobicents.protocols.ss7.map.primitives.ArrayListSerializingBase; /** * * @author sergey vetyutnev * */ public class MessageIDImpl implements MessageID, CAPAsnPrimitive { public static final int _ID_elementaryMessageID = 0; public static final int _ID_text = 1; public static final int _ID_elementaryMessageIDs = 29; public static final int _ID_variableMessage = 30; public static final String _PrimitiveName = "MessageID"; private static final String ELEMENTARY_MESSAGE_ID = "elementaryMessageID"; private static final String TEXT = "text"; private static final String ELEMENTARY_MESSAGE_IDS = "elementaryMessageIDs"; private static final String VARIABLE_MESSAGE = "variableMessage"; private Integer elementaryMessageID; private MessageIDText text; private ArrayList<Integer> elementaryMessageIDs; private VariableMessage variableMessage; public MessageIDImpl() { } public MessageIDImpl(Integer elementaryMessageID) { this.elementaryMessageID = elementaryMessageID; } public MessageIDImpl(MessageIDText text) { this.text = text; } public MessageIDImpl(ArrayList<Integer> elementaryMessageIDs) { this.elementaryMessageIDs = elementaryMessageIDs; } public MessageIDImpl(VariableMessage variableMessage) { this.variableMessage = variableMessage; } @Override public Integer getElementaryMessageID() { return elementaryMessageID; } @Override public MessageIDText getText() { return text; } @Override public ArrayList<Integer> getElementaryMessageIDs() { return elementaryMessageIDs; } @Override public VariableMessage getVariableMessage() { return variableMessage; } @Override public int getTag() throws CAPException { if (this.elementaryMessageID != null) { return _ID_elementaryMessageID; } else if (this.text != null) { return _ID_text; } else if (this.elementaryMessageIDs != null) { return _ID_elementaryMessageIDs; } else if (this.variableMessage != null) { return _ID_variableMessage; } else { throw new CAPException("Error while encoding " + _PrimitiveName + ": no of choices has been definite"); } } @Override public int getTagClass() { return Tag.CLASS_CONTEXT_SPECIFIC; } @Override public boolean getIsPrimitive() { if (this.elementaryMessageID != null) return true; else 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 ais, int length) throws CAPParsingComponentException, IOException, AsnException { this.elementaryMessageID = null; this.text = null; this.elementaryMessageIDs = null; this.variableMessage = null; if (ais.getTagClass() != Tag.CLASS_CONTEXT_SPECIFIC) throw new CAPParsingComponentException("Error while decoding " + _PrimitiveName + ": bad tagClass", CAPParsingComponentExceptionReason.MistypedParameter); switch (ais.getTag()) { case _ID_elementaryMessageID: this.elementaryMessageID = (int) ais.readIntegerData(length); break; case _ID_text: this.text = new MessageIDTextImpl(); ((MessageIDTextImpl) this.text).decodeData(ais, length); break; case _ID_elementaryMessageIDs: this.elementaryMessageIDs = new ArrayList<Integer>(); AsnInputStream ais2 = ais.readSequenceStreamData(length); while (true) { if (ais2.available() == 0) break; int tag2 = ais2.readTag(); if (ais2.getTagClass() != Tag.CLASS_UNIVERSAL || tag2 != Tag.INTEGER || !ais2.isTagPrimitive()) throw new CAPParsingComponentException("Error while decoding " + _PrimitiveName + ": bad tagClass or tag or is not primitive when decoding an elementaryMessageIDs SEQUENCE", CAPParsingComponentExceptionReason.MistypedParameter); Integer val = (int) ais2.readInteger(); this.elementaryMessageIDs.add(val); } break; case _ID_variableMessage: this.variableMessage = new VariableMessageImpl(); ((VariableMessageImpl) this.variableMessage).decodeData(ais, length); break; default: throw new CAPParsingComponentException("Error while decoding " + _PrimitiveName + ": bad tag: " + ais.getTag(), CAPParsingComponentExceptionReason.MistypedParameter); } } @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, this.getIsPrimitive(), 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 { int choiceCnt = 0; if (this.elementaryMessageID != null) choiceCnt++; if (this.text != null) choiceCnt++; if (this.elementaryMessageIDs != null) choiceCnt++; if (this.variableMessage != null) choiceCnt++; if (choiceCnt != 1) throw new CAPException("Error while encoding " + _PrimitiveName + ": only one choice must be definite, found: " + choiceCnt); try { if (this.elementaryMessageID != null) asnOs.writeIntegerData(this.elementaryMessageID); if (this.text != null) ((MessageIDTextImpl) this.text).encodeData(asnOs); if (this.elementaryMessageIDs != null) { if (this.elementaryMessageIDs.size() < 1 || this.elementaryMessageIDs.size() > 16) throw new CAPException("Error while encoding " + _PrimitiveName + ": elementaryMessageIDs count must be from 1 to 16, found: " + this.elementaryMessageIDs.size()); for (Integer val : this.elementaryMessageIDs) { if (val == null) throw new CAPException("Error while encoding " + _PrimitiveName + ": the elementaryMessageIDs array has null values"); asnOs.writeInteger(val); } } if (this.variableMessage != null) ((VariableMessageImpl) this.variableMessage).encodeData(asnOs); } 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(" ["); if (this.elementaryMessageID != null) { sb.append("elementaryMessageID="); sb.append(elementaryMessageID); } if (this.text != null) { sb.append(" text="); sb.append(text.toString()); } if (this.elementaryMessageIDs != null) { sb.append(" elementaryMessageIDs=["); for (Integer val : this.elementaryMessageIDs) { if (val != null) { sb.append(val); sb.append(", "); } } sb.append("]"); } if (this.variableMessage != null) { sb.append(" variableMessage="); sb.append(variableMessage.toString()); } sb.append("]"); return sb.toString(); } /** * XML Serialization/Deserialization */ protected static final XMLFormat<MessageIDImpl> MESSAGE_ID_XML = new XMLFormat<MessageIDImpl>(MessageIDImpl.class) { @Override public void read(javolution.xml.XMLFormat.InputElement xml, MessageIDImpl messageID) throws XMLStreamException { messageID.elementaryMessageID = xml.get(ELEMENTARY_MESSAGE_ID, Integer.class); messageID.text = xml.get(TEXT, MessageIDTextImpl.class); MessageID_ElementaryMessageIDs al = xml.get(ELEMENTARY_MESSAGE_IDS, MessageID_ElementaryMessageIDs.class); if (al != null) { messageID.elementaryMessageIDs = al.getData(); } messageID.variableMessage = xml.get(VARIABLE_MESSAGE, VariableMessageImpl.class); int choiceCount = 0; if (messageID.elementaryMessageID != null) choiceCount++; if (messageID.text != null) choiceCount++; if (messageID.elementaryMessageIDs != null) choiceCount++; if (messageID.variableMessage != null) choiceCount++; if (choiceCount != 1) throw new XMLStreamException("MessageID decoding error: there must be one choice selected, found: " + choiceCount); } @Override public void write(MessageIDImpl messageID, javolution.xml.XMLFormat.OutputElement xml) throws XMLStreamException { if (messageID.elementaryMessageID != null) xml.add(messageID.elementaryMessageID, ELEMENTARY_MESSAGE_ID, Integer.class); if (messageID.text != null) xml.add((MessageIDTextImpl) messageID.text, TEXT, MessageIDTextImpl.class); if (messageID.elementaryMessageIDs != null) { MessageID_ElementaryMessageIDs al = new MessageID_ElementaryMessageIDs(messageID.elementaryMessageIDs); xml.add(al, ELEMENTARY_MESSAGE_IDS, MessageID_ElementaryMessageIDs.class); } if (messageID.variableMessage != null) xml.add((VariableMessageImpl) messageID.variableMessage, VARIABLE_MESSAGE, VariableMessageImpl.class); } }; public static class MessageID_ElementaryMessageIDs extends ArrayListSerializingBase<Integer> { public MessageID_ElementaryMessageIDs() { super(ELEMENTARY_MESSAGE_ID, Integer.class); } public MessageID_ElementaryMessageIDs(ArrayList<Integer> data) { super(ELEMENTARY_MESSAGE_ID, Integer.class, data); } } }