Java Doc for MethodUtilities.java in  » Web-Framework » jpublish » com » anthonyeden » lib » util » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Web Framework » jpublish » com.anthonyeden.lib.util   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    com.anthonyeden.lib.util.MethodUtilities MethodUtilities public class MethodUtilities (Code) Utilities for invoking methods at runtime using reflection. author:    Anthony Eden Method Summary public static  Method getDeclaredMethod(Class targetClass, String name, Class paramClass)      Get the declared method with the given name and with a single argument of the type specified by paramClass. public static  Method getDeclaredMethod(Class targetClass, String name, Class[] paramClasses)      Get the declared method with the given name and with arguments of the types specified by paramClasses. public static  Method getMethod(Class targetClass, String name, Class paramClass)      Get the method with the given name and with a single argument of the type specified by paramClass. public static  Method getMethod(Class targetClass, String name, Class[] paramClasses)      Get the method with the given name and with arguments of the types specified by paramClasses. public static  Object invoke(Method method, Object target, Object arg)      Invoke the given method. public static  Object invoke(Method method, Object target, Object[] args)      Invoke the given method. public static  Object invoke(String methodName, Object target, Object arg)      Invoke the given method. public static  Object invoke(String methodName, Object target, Object[] args)      Invoke the given method. public static  Object invoke(String methodName, Object target, Class targetClass, Object[] args)      Invoke the given method. public static  Object invoke(String methodName, Object target, Class targetClass, Object arg)      Invoke the given method. public static  Object invokeDeclared(String methodName, Object target, Object arg)      Invoke the given method. public static  Object invokeDeclared(String methodName, Object target, Object[] args)      Invoke the given method. Method Detail getDeclaredMethod public static Method getDeclaredMethod(Class targetClass, String name, Class paramClass) throws NoSuchMethodException, SecurityException(Code) Get the declared method with the given name and with a single argument of the type specified by paramClass. The paramClass may be null in which case the method should have no arguments. Parameters:   targetClass - The target class Parameters:   name - The method name Parameters:   paramClass - The single parameter class (may be null) The declared Method throws:   SecurityException - throws:   NoSuchMethodException - getDeclaredMethod public static Method getDeclaredMethod(Class targetClass, String name, Class[] paramClasses) throws NoSuchMethodException, SecurityException(Code) Get the declared method with the given name and with arguments of the types specified by paramClasses. Parameters:   targetClass - The target class Parameters:   name - The method name Parameters:   paramClasses - An array of parameter classes The declared Method throws:   SecurityException - throws:   NoSuchMethodException - getMethod public static Method getMethod(Class targetClass, String name, Class paramClass) throws NoSuchMethodException, SecurityException(Code) Get the method with the given name and with a single argument of the type specified by paramClass. The paramClass may be null in which case the method should have no arguments. Parameters:   targetClass - The target class Parameters:   name - The method name Parameters:   paramClass - The single parameter class (may be null) The Method throws:   SecurityException - throws:   NoSuchMethodException - getMethod public static Method getMethod(Class targetClass, String name, Class[] paramClasses) throws NoSuchMethodException, SecurityException(Code) Get the method with the given name and with arguments of the types specified by paramClasses. If the method is not found then a method which accepts superclasses of the current arguments will be returned, if possible. Parameters:   targetClass - The target class Parameters:   name - The method name Parameters:   paramClasses - An array of parameter classes The Method throws:   SecurityException - throws:   NoSuchMethodException - invoke public static Object invoke(Method method, Object target, Object arg) throws IllegalAccessException, IllegalArgumentException, InvocationTargetException(Code) Invoke the given method. This method is a convenience method which creates an array of arguments with the single arg value. This is necessary because the Method.invoke() method only accepts an array of argument objects. Parameters:   method - The method Parameters:   target - The target Object Parameters:   arg - A single argument The return object or null throws:   IllegalAccessException - throws:   IllegalArgumentException - throws:   InvocationTargetException - invoke public static Object invoke(Method method, Object target, Object[] args) throws IllegalAccessException, IllegalArgumentException, InvocationTargetException(Code) Invoke the given method. This method actually invokes the target method with the given arguments. Parameters:   method - The Method Parameters:   target - The target Object Parameters:   args - An array of argument Objects The return value throws:   IllegalAccessException - throws:   IllegalArgumentException - throws:   InvocationTargetException - invoke public static Object invoke(String methodName, Object target, Object arg) throws IllegalAccessException, IllegalArgumentException, InvocationTargetException, NoSuchMethodException, SecurityException(Code) Invoke the given method. The target object is used to determine the target class and which is then used to get a Method object. This method is a convenience method which creates an array of arguments with the single arg value. This is necessary because the Method.invoke() method only accepts an array of argument objects. Parameters:   methodName - The method name Parameters:   target - The target Object Parameters:   arg - A single argument The return object or null throws:   IllegalAccessException - throws:   IllegalArgumentException - throws:   InvocationTargetException - throws:   NoSuchMethodException - throws:   SecurityException - invoke public static Object invoke(String methodName, Object target, Object[] args) throws IllegalAccessException, IllegalArgumentException, InvocationTargetException, NoSuchMethodException, SecurityException(Code) Invoke the given method. The target object is used to determine the target class and which is then used to get a Method object. Parameters:   methodName - The Method name Parameters:   target - The target Object Parameters:   args - An array of argument Objects The return value throws:   IllegalAccessException - throws:   IllegalArgumentException - throws:   InvocationTargetException - throws:   NoSuchMethodException - throws:   SecurityException - invoke public static Object invoke(String methodName, Object target, Class targetClass, Object[] args) throws IllegalAccessException, IllegalArgumentException, InvocationTargetException, NoSuchMethodException, SecurityException(Code) Invoke the given method. The target object may be null in which case the target class is used and the method must be a static method. Parameters:   methodName - The method name Parameters:   target - The target Object Parameters:   targetClass - The Class of the target object Parameters:   args - An array of argument Objects The return value throws:   IllegalAccessException - throws:   IllegalArgumentException - throws:   InvocationTargetException - throws:   NoSuchMethodException - throws:   SecurityException - invoke public static Object invoke(String methodName, Object target, Class targetClass, Object arg) throws IllegalAccessException, IllegalArgumentException, InvocationTargetException, NoSuchMethodException, SecurityException(Code) Invoke the given method. This method is a convenience method for invoking single argument methods. Parameters:   methodName - The method name Parameters:   target - The target Object Parameters:   targetClass - The Class of the target object Parameters:   arg - A single argument The return value throws:   IllegalAccessException - throws:   IllegalArgumentException - throws:   InvocationTargetException - throws:   NoSuchMethodException - throws:   SecurityException - invokeDeclared public static Object invokeDeclared(String methodName, Object target, Object arg) throws IllegalAccessException, IllegalArgumentException, InvocationTargetException, NoSuchMethodException, SecurityException(Code) Invoke the given method. This method is a convenience method for invoking single argument methods. The argument's class is obtained from the argument object. Parameters:   methodName - The method name Parameters:   target - The target Object Parameters:   arg - A single argument The return value throws:   IllegalAccessException - throws:   IllegalArgumentException - throws:   InvocationTargetException - throws:   NoSuchMethodException - throws:   SecurityException - invokeDeclared public static Object invokeDeclared(String methodName, Object target, Object[] args) throws IllegalAccessException, IllegalArgumentException, InvocationTargetException, NoSuchMethodException, SecurityException(Code) Invoke the given method. This method is a convenience method for invoking single argument methods. The argument's class is obtained from the argument object. Parameters:   methodName - The method name Parameters:   target - The target Object Parameters:   args - An array of arguments The return value throws:   IllegalAccessException - throws:   IllegalArgumentException - throws:   InvocationTargetException - throws:   NoSuchMethodException - throws:   SecurityException - Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)