Esempio n. 1
0
  private Configurable getComponentFromAnnotation(String name, S4Component s4Component) {
    Configurable configurable;
    Class<? extends Configurable> defClass = s4Component.defaultClass();

    if (defClass.equals(Configurable.class) && s4Component.mandatory()) {
      throw new InternalConfigurationException(
          getInstanceName(), name, "mandatory property is not set!");
    }

    if (Modifier.isAbstract(defClass.getModifiers()) && s4Component.mandatory())
      throw new InternalConfigurationException(
          getInstanceName(), name, defClass.getName() + " is abstract!");

    // because we're forced to use the default type, make sure that it
    // is set
    if (defClass.equals(Configurable.class)) {
      if (s4Component.mandatory()) {
        throw new InternalConfigurationException(
            getInstanceName(), name, instanceName + ": no default class defined for " + name);
      } else {
        return null;
      }
    }

    configurable = ConfigurationManager.getInstance(defClass);
    if (configurable == null) {
      throw new InternalConfigurationException(
          getInstanceName(), name, "instantiation of referenenced configurable failed");
    }

    return configurable;
  }
Esempio n. 2
0
  /**
   * Returns the class of of a registered component property without instantiating it.
   *
   * @param propName the name of the property
   * @return class of the component corresponding to that property
   */
  public Class<? extends Configurable> getComponentClass(String propName) {
    Class<? extends Configurable> defClass = null;

    if (propValues.get(propName) != null)
      try {
        Class<?> objClass = Class.forName((String) propValues.get(propName));
        defClass = objClass.asSubclass(Configurable.class);
      } catch (ClassNotFoundException e) {
        PropertySheet ps = cm.getPropertySheet(flattenProp(propName));
        defClass = ps.ownerClass;
      }
    else {
      S4Component comAnno = (S4Component) registeredProperties.get(propName).getAnnotation();
      defClass = comAnno.defaultClass();
      if (comAnno.mandatory()) defClass = null;
    }

    return defClass;
  }