Example #1
0
  public void evalAsEvents(XMLPushStreamBase output, Focus focus, EvalContext context)
      throws EvaluationException {
    context.at(this);
    QName qname = evalName(output, focus, context);

    try {
      output.putElementStart(qname);

      for (int a = 0; a < attributes.size(); a++) {
        try {
          getAttribute(a).evalAsEvents(output, focus, context);
        } catch (EvaluationException e) {
          if ((getFlags() & DIRECT) != 0) e.substituteCode("XQDY0025", "XQST0040");
          throw e;
        }
      }
      for (int c = 0; c < contents.length; c++) {
        contents[c].evalAsEvents(output, focus, context);
        output.noSpace();
      }
      output.putElementEnd(qname);
    } catch (DataModelException e) {
      dmError(context, e);
    }
  }
Example #2
0
  public XQValue eval(Focus focus, EvalContext context) throws EvaluationException {
    context.at(this);
    try {
      XQValue res = caught.eval(focus, context);
      // it is crucial to expand the sequence here, so that
      // eval errors are actually caught
      ArraySequence expanded = new ArraySequence(4, res);
      for (; res.next(); ) expanded.addItem(res.getItem());
      return expanded;
    } catch (EvaluationException e) {
      Catch catcher = null;
      for (int i = 0; i < catches.length; i++) {
        if (catches[i].catches(e.getErrorCode())) {
          catcher = catches[i];
          break;
        }
      }

      if (catcher == null) throw e;
      if (compatibility) {
        // feature: show error as a node whose name is the error code
        // and whose content the message
        CorePushBuilder builder = new CorePushBuilder("");
        QName errName = IQName.get(e.getErrorCode());
        try {
          builder.putElementStart(errName); // cant be attr value
          builder.putText(e.getMessage());
          builder.putElementEnd(errName);
        } catch (QizxException e1) {;
        }
        context.storeLocal(
            catcher.valueVar.address, new SingleNode(builder.harvest()), false /* current */, null);
      } else { // 1.1
        if (catcher.codeVar != null) {
          context.storeLocal(
              catcher.codeVar.address,
              new SingleQName(e.getErrorCode()),
              false /* current */,
              null);
        }
        if (catcher.descVar != null) {
          context.storeLocal(
              catcher.descVar.address, new SingleString(e.getMessage()), false /* current */, null);
        }
        if (catcher.valueVar != null) {
          XQValue v = e.getValue();
          if (v == null) v = XQValue.empty;
          context.storeLocal(catcher.valueVar.address, v, false /* current */, null);
        }
      }
      // execute the handler with bound variables (if any)
      return catcher.handler.eval(focus, context);
    }
  }