Exemplo n.º 1
0
  public static ArrayList<String> getTextValue(Element ele, String tagName) {

    ArrayList<String> returnVal = new ArrayList<String>();
    //		NodeList nll = ele.getElementsByTagName("*");

    NodeList nl = ele.getElementsByTagName(tagName);
    if (nl != null && nl.getLength() > 0) {
      for (int i = 0; i < nl.getLength(); i++) {
        Element el = (Element) nl.item(i);
        returnVal.add(el.getFirstChild().getNodeValue());
      }
    }
    return returnVal;
  }
Exemplo n.º 2
0
 static ArrayList<PVAR_INST_DEF> processXMLAction(DOMParser p, InputSource isrc, State state)
     throws Exception {
   try {
     // showInputSource(isrc); System.exit(1); // TODO
     p.parse(isrc);
     Element e = p.getDocument().getDocumentElement();
     if (SHOW_XML) {
       System.out.println("Received action msg:");
       printXMLNode(e);
     }
     if (!e.getNodeName().equals(ACTIONS)) {
       System.out.println("ERROR: NO ACTIONS NODE");
       System.exit(1);
       return null;
     }
     NodeList nl = e.getElementsByTagName(ACTION);
     //			System.out.println(nl);
     if (nl != null) { // && nl.getLength() > 0) { // TODO: Scott
       ArrayList<PVAR_INST_DEF> ds = new ArrayList<PVAR_INST_DEF>();
       for (int i = 0; i < nl.getLength(); i++) {
         Element el = (Element) nl.item(i);
         String name = getTextValue(el, ACTION_NAME).get(0);
         ArrayList<String> args = getTextValue(el, ACTION_ARG);
         ArrayList<LCONST> lcArgs = new ArrayList<LCONST>();
         for (String arg : args) {
           if (arg.startsWith("@")) lcArgs.add(new RDDL.ENUM_VAL(arg));
           else lcArgs.add(new RDDL.OBJECT_VAL(arg));
         }
         String pvalue = getTextValue(el, ACTION_VALUE).get(0);
         Object value = getValue(name, pvalue, state);
         PVAR_INST_DEF d = new PVAR_INST_DEF(name, value, lcArgs);
         ds.add(d);
       }
       return ds;
     } else return new ArrayList<PVAR_INST_DEF>(); // FYI: May be unreachable. -Scott
     // } else { // TODO: Removed by Scott, NOOP should not be handled differently
     //	nl = e.getElementsByTagName(NOOP);
     //	if ( nl != null && nl.getLength() > 0) {
     //		ArrayList<PVAR_INST_DEF> ds = new ArrayList<PVAR_INST_DEF>();
     //		return ds;
     //	}
     // }
   } catch (Exception e) {
     // TODO Auto-generated catch block
     System.out.println("FATAL SERVER ERROR:\n" + e);
     // t.printStackTrace();
     throw e;
     // System.exit(1);
   }
 }
Exemplo n.º 3
0
 static boolean processXMLRoundRequest(DOMParser p, InputSource isrc) {
   try {
     p.parse(isrc);
     Element e = p.getDocument().getDocumentElement();
     if (e.getNodeName().equals(ROUND_REQUEST)) {
       return true;
     }
     return false;
   } catch (SAXException e1) {
     // TODO Auto-generated catch block
     e1.printStackTrace();
   } catch (IOException e1) {
     // TODO Auto-generated catch block
     e1.printStackTrace();
   }
   return false;
 }
Exemplo n.º 4
0
 static void processXMLSessionRequest(DOMParser p, InputSource isrc, Server server) {
   try {
     p.parse(isrc);
     Element e = p.getDocument().getDocumentElement();
     if (e.getNodeName().equals(SESSION_REQUEST)) {
       server.requestedInstance = getTextValue(e, PROBLEM_NAME).get(0);
       server.clientName = getTextValue(e, CLIENT_NAME).get(0);
       NodeList nl = e.getElementsByTagName(NO_XML_HEADER);
       if (nl.getLength() > 0) {
         NO_XML_HEADING = true;
       }
     }
     return;
   } catch (SAXException e1) {
     // TODO Auto-generated catch block
     e1.printStackTrace();
   } catch (IOException e1) {
     // TODO Auto-generated catch block
     e1.printStackTrace();
   }
   return;
 }
Exemplo n.º 5
0
 public static void addOneText(Document dom, Element p, String name, String value) {
   Element e = dom.createElement(name);
   Text text = dom.createTextNode(value);
   e.appendChild(text);
   p.appendChild(e);
 }
Exemplo n.º 6
0
  static String createXMLTurn(
      State state,
      int turn,
      DOMAIN domain,
      HashMap<PVAR_NAME, HashMap<ArrayList<LCONST>, Object>> observStore)
      throws Exception {
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    try {
      DocumentBuilder db = dbf.newDocumentBuilder();
      Document dom = db.newDocument();
      Element rootEle = dom.createElement(TURN);
      dom.appendChild(rootEle);
      Element turnNum = dom.createElement(TURN_NUM);
      Text textTurnNum = dom.createTextNode(turn + "");
      turnNum.appendChild(textTurnNum);
      rootEle.appendChild(turnNum);

      // System.out.println("PO: " + domain._bPartiallyObserved);
      if (!domain._bPartiallyObserved || observStore != null) {
        for (PVAR_NAME pn :
            (domain._bPartiallyObserved ? observStore.keySet() : state._state.keySet())) {
          // System.out.println(turn + " check2 Partial Observ " + pn +" : "+
          // domain._bPartiallyObserved);

          // No problem to overwrite observations, only ever read from
          if (domain._bPartiallyObserved && observStore != null)
            state._observ.put(pn, observStore.get(pn));

          ArrayList<ArrayList<LCONST>> gfluents = state.generateAtoms(pn);
          for (ArrayList<LCONST> gfluent : gfluents) {
            // for ( Map.Entry<ArrayList<LCONST>,Object> gfluent :
            //	(domain._bPartiallyObserved
            //			? observStore.get(pn).entrySet()
            //					: state._state.get(pn).entrySet())) {
            Element ofEle = dom.createElement(OBSERVED_FLUENT);
            rootEle.appendChild(ofEle);
            Element pName = dom.createElement(FLUENT_NAME);
            Text pTextName = dom.createTextNode(pn.toString());
            pName.appendChild(pTextName);
            ofEle.appendChild(pName);
            for (LCONST lc : gfluent) {
              Element pArg = dom.createElement(FLUENT_ARG);
              Text pTextArg = dom.createTextNode(lc.toString());
              pArg.appendChild(pTextArg);
              ofEle.appendChild(pArg);
            }
            Element pValue = dom.createElement(FLUENT_VALUE);
            Object value = state.getPVariableAssign(pn, gfluent);
            if (value == null) {
              System.out.println("STATE:\n" + state);
              throw new Exception("ERROR: Could not retrieve value for " + pn + gfluent.toString());
            }

            Text pTextValue = dom.createTextNode(value.toString());
            pValue.appendChild(pTextValue);
            ofEle.appendChild(pValue);
          }
        }
      } else {
        // No observations (first turn of POMDP)
        Element ofEle = dom.createElement(NULL_OBSERVATIONS);
        rootEle.appendChild(ofEle);
      }
      if (SHOW_XML) {
        printXMLNode(dom);
        System.out.println();
        System.out.flush();
      }
      return (Client.serialize(dom));

    } catch (Exception e) {
      System.out.println("FATAL SERVER EXCEPTION: " + e);
      e.printStackTrace();
      throw e;
      // System.exit(1);
      // return null;
    }
  }