Examples of org.springframework.util.MethodInvoker

org.springframework.util.MethodInvoker
Helper class that allows for specifying a method to invoke in a declarative fashion, be it static or non-static.
Usage: Specify "targetClass"/"targetMethod" or "targetObject"/"targetMethod", optionally specify arguments, prepare the invoker. Afterwards, you may invoke the method any number of times, obtaining the invocation result.
Typically not used directly but via its subclasses {@link org.springframework.beans.factory.config.MethodInvokingFactoryBean} and{@link org.springframework.scheduling.quartz.MethodInvokingJobDetailFactoryBean}. @author Colin Sampaleanu @author Juergen Hoeller @since 19.02.2004 @see #prepare @see #invoke

   * @return object returned by invoked method
   * @throws DynamicMethodInvocationException if the {@link MethodInvoker}
   * used throws exception
   */
  protected T invokeDelegateMethodWithArguments(Object[] args) throws Exception {
    MethodInvoker invoker = createMethodInvoker(targetObject, targetMethod);
    invoker.setArguments(args);
    return doInvoke(invoker);
  }

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  /**
   * @return true if target class declares a method matching target method
   * name with given number of arguments of appropriate type.
   */
  private boolean targetClassDeclaresTargetMethod() {
    MethodInvoker invoker = createMethodInvoker(targetObject, targetMethod);


    Method[] memberMethods = invoker.getTargetClass().getMethods();
    Method[] declaredMethods = invoker.getTargetClass().getDeclaredMethods();


    List<Method> allMethods = new ArrayList<Method>();
    allMethods.addAll(Arrays.asList(memberMethods));
    allMethods.addAll(Arrays.asList(declaredMethods));


    String targetMethodName = invoker.getTargetMethod();


    for (Method method : allMethods) {
      if (method.getName().equals(targetMethodName)) {
        Class<?>[] params = method.getParameterTypes();
        if (arguments == null) {

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   * @see #buildListenerArguments
   */
  protected Object invokeListenerMethod(String methodName, Object[] arguments, Message originalMessage)
      throws Exception {
    try {
      MethodInvoker methodInvoker = new MethodInvoker();
      methodInvoker.setTargetObject(getDelegate());
      methodInvoker.setTargetMethod(methodName);
      methodInvoker.setArguments(arguments);
      methodInvoker.prepare();
      return methodInvoker.invoke();
    }
    catch (InvocationTargetException ex) {
      Throwable targetEx = ex.getTargetException();
      if (targetEx instanceof IOException) {
        throw new AmqpIOException((IOException) targetEx);

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