net.sf.hajdbc.util.reflect

Class Methods

java.lang.Object

net.sf.hajdbc.util.reflect.Methods

public final class Methods
extends java.lang.Object

Author:

Paul Ferraro

Method Summary

Modifier and Type	Method and Description
static java.lang.reflect.Method	findMethod(java.lang.Class<?> sourceClass, java.lang.String name, java.lang.Class<?>... types) Helper method for Class.getMethod(String, Class...) that returns null if the method does not exist.
static java.lang.reflect.Method	findMethod(java.lang.String className, java.lang.String name, java.lang.Class<?>... types) Helper method for Class.getMethod(String, Class...) that returns null if the class or method does not exist.
static java.util.Set<java.lang.reflect.Method>	findMethods(java.lang.Class<?> sourceClass, java.lang.String... patterns) Returns a set of methods for the specified class whose names match the specified regular expression patterns.
static java.lang.reflect.Method	getMethod(java.lang.Class<?> sourceClass, java.lang.String name, java.lang.Class<?>... types) Helper method for Class.getMethod(String, Class...) where method is known to exist.
static java.lang.Object	invoke(java.lang.reflect.Method method, java.lang.Object object, java.lang.Object... parameters) Helper method for Method.invoke(Object, Object...) that performs the necessary exception handling.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

invoke

public static java.lang.Object invoke(java.lang.reflect.Method method,
                                      java.lang.Object object,
                                      java.lang.Object... parameters)
                               throws java.sql.SQLException

Helper method for Method.invoke(Object, Object...) that performs the necessary exception handling.

Parameters:

method - a method to invoke

object - the object on which to invoke the given method

parameters - the method parameters

Returns:

the return value of the method invocation

Throws:

java.sql.SQLException - the target exception of the method invocation

java.lang.IllegalArgumentException - if the the underlying method is inaccessible

findMethods

public static java.util.Set<java.lang.reflect.Method> findMethods(java.lang.Class<?> sourceClass,
                                                                  java.lang.String... patterns)

Returns a set of methods for the specified class whose names match the specified regular expression patterns.

Parameters:

sourceClass - the class from which to find methods

patterns - regular expression patterns

Returns:

a set of methods

getMethod

public static java.lang.reflect.Method getMethod(java.lang.Class<?> sourceClass,
                                                 java.lang.String name,
                                                 java.lang.Class<?>... types)

Helper method for Class.getMethod(String, Class...) where method is known to exist.

Parameters:

sourceClass - the class from which to find methods

name - the method name

types - the parameter types

Returns:

the method with the specified name and parameter types

Throws:

java.lang.IllegalArgumentException - if no such method exists

findMethod

public static java.lang.reflect.Method findMethod(java.lang.Class<?> sourceClass,
                                                  java.lang.String name,
                                                  java.lang.Class<?>... types)

Helper method for Class.getMethod(String, Class...) that returns null if the method does not exist.

Parameters:

sourceClass - the class from which to find methods

name - the method name

types - the parameter types

Returns:

the method with the specified name and parameter types, or null if the method does not exist

findMethod

public static java.lang.reflect.Method findMethod(java.lang.String className,
                                                  java.lang.String name,
                                                  java.lang.Class<?>... types)

Helper method for Class.getMethod(String, Class...) that returns null if the class or method does not exist.

Parameters:

className - the name of the class containing the method

name - the method name

types - the parameter types

Returns:

the method with the specified name and parameter types, or null if the class or method does not exist