Exemplo n.º 1
0
  private PropertyDescriptor findExistingPropertyDescriptor(
      String propertyName, Class<?> propertyType) {

    for (PropertyDescriptor pd : this.propertyDescriptors) {
      final Class<?> candidateType;
      final String candidateName = pd.getName();
      if (pd instanceof IndexedPropertyDescriptor) {
        IndexedPropertyDescriptor ipd = (IndexedPropertyDescriptor) pd;
        candidateType = ipd.getIndexedPropertyType();
        if (candidateName.equals(propertyName)
            && (candidateType.equals(propertyType)
                || candidateType.equals(propertyType.getComponentType()))) {
          return pd;
        }
      } else {
        candidateType = pd.getPropertyType();
        if (candidateName.equals(propertyName)
            && (candidateType.equals(propertyType)
                || propertyType.equals(candidateType.getComponentType()))) {
          return pd;
        }
      }
    }
    return null;
  }
Exemplo n.º 2
0
  /*
   * See IndexedPropertyDescriptor#findIndexedPropertyType
   */
  public static Class<?> findIndexedPropertyType(
      String name, Class<?> propertyType, Method indexedReadMethod, Method indexedWriteMethod)
      throws IntrospectionException {

    Class<?> indexedPropertyType = null;

    if (indexedReadMethod != null) {
      Class<?> params[] = indexedReadMethod.getParameterTypes();
      if (params.length != 1) {
        throw new IntrospectionException("bad indexed read method arg count");
      }
      if (params[0] != Integer.TYPE) {
        throw new IntrospectionException("non int index to indexed read method");
      }
      indexedPropertyType = indexedReadMethod.getReturnType();
      if (indexedPropertyType == Void.TYPE) {
        throw new IntrospectionException("indexed read method returns void");
      }
    }
    if (indexedWriteMethod != null) {
      Class<?> params[] = indexedWriteMethod.getParameterTypes();
      if (params.length != 2) {
        throw new IntrospectionException("bad indexed write method arg count");
      }
      if (params[0] != Integer.TYPE) {
        throw new IntrospectionException("non int index to indexed write method");
      }
      if (indexedPropertyType != null && indexedPropertyType != params[1]) {
        throw new IntrospectionException(
            "type mismatch between indexed read and indexed write methods: " + name);
      }
      indexedPropertyType = params[1];
    }
    if (propertyType != null
        && (!propertyType.isArray() || propertyType.getComponentType() != indexedPropertyType)) {
      throw new IntrospectionException(
          "type mismatch between indexed and non-indexed methods: " + name);
    }
    return indexedPropertyType;
  }