Beispiel #1
0
  /** Instantiates an layout of the given class and sets its name. */
  @SuppressWarnings("unchecked")
  public void begin(InterpretationContext ec, String localName, Attributes attributes) {
    // Let us forget about previous errors (in this object)
    inError = false;

    String errorMsg;
    String conversionWord = attributes.getValue(ActionConst.CONVERSION_WORD_ATTRIBUTE);
    String converterClass = attributes.getValue(ActionConst.CONVERTER_CLASS_ATTRIBUTE);

    if (OptionHelper.isEmpty(conversionWord)) {
      inError = true;
      errorMsg = "No 'conversionWord' attribute in <conversionRule>";
      addError(errorMsg);

      return;
    }

    if (OptionHelper.isEmpty(converterClass)) {
      inError = true;
      errorMsg = "No 'converterClass' attribute in <conversionRule>";
      ec.addError(errorMsg);

      return;
    }

    try {
      Map<String, String> ruleRegistry =
          (Map) context.getObject(CoreConstants.PATTERN_RULE_REGISTRY);
      if (ruleRegistry == null) {
        ruleRegistry = new HashMap<String, String>();
        context.putObject(CoreConstants.PATTERN_RULE_REGISTRY, ruleRegistry);
      }
      // put the new rule into the rule registry
      addInfo(
          "registering conversion word " + conversionWord + " with class [" + converterClass + "]");
      ruleRegistry.put(conversionWord, converterClass);
    } catch (Exception oops) {
      inError = true;
      errorMsg = "Could not add conversion rule to PatternLayout.";
      addError(errorMsg);
    }
  }
  /**
   * Instantiates an a data source and bind it to JNDI Most of the required parameters are placed in
   * the ec.substitutionProperties
   */
  public void begin(InterpretationContext ec, String localName, Attributes attributes) {
    String dsClassName = ec.getProperty(DATA_SOURCE_CLASS);

    if (OptionHelper.isEmpty(dsClassName)) {
      addWarn("dsClassName is a required parameter");
      ec.addError("dsClassName is a required parameter");

      return;
    }

    String urlStr = ec.getProperty(URL);
    String userStr = ec.getProperty(USER);
    String passwordStr = ec.getProperty(PASSWORD);

    try {
      DataSource ds =
          (DataSource) OptionHelper.instantiateByClassName(dsClassName, DataSource.class, context);

      PropertySetter setter = new PropertySetter(ds);
      setter.setContext(context);

      if (!OptionHelper.isEmpty(urlStr)) {
        setter.setProperty("url", urlStr);
      }

      if (!OptionHelper.isEmpty(userStr)) {
        setter.setProperty("user", userStr);
      }

      if (!OptionHelper.isEmpty(passwordStr)) {
        setter.setProperty("password", passwordStr);
      }

      Context ctx = new InitialContext();
      ctx.rebind("dataSource", ds);
    } catch (Exception oops) {
      addError("Could not bind  datasource. Reported error follows.", oops);
      ec.addError("Could not not bind  datasource of type [" + dsClassName + "].");
    }
  }