com.kdgregory.logging.common.internal

Class Utils

java.lang.Object

com.kdgregory.logging.common.internal.Utils

public class Utils
extends Object

Various static utility functions. These are used by multiple classes and/or should be tested outside of the class where they're used.

Constructor Summary

Constructors

Constructor and Description
Utils()

Method Summary

Modifier and Type	Method and Description
static Method	findFullyQualifiedMethod(String name, Class<?>... params) Attempts to find a method given its fully-qualified name (eg: com.example.package.MyClass.myMethod).
static Method	findMethodIfExists(Class<?> klass, String methodName, Class<?>... paramTypes) Returns a declared or inherited method with the specified parameter types, null if one doesn't exist or the passed class is null.
static Class<?>	loadClass(String fullyQualifiedName) Attempts to load a class, returning null if it doesn't exist.
static void	sleepQuietly(long time) Sleeps until the specified time elapses or the thread is interrupted.

Methods inherited from class java.lang.Object

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

Constructor Detail

Utils

public Utils()

Method Detail

sleepQuietly

public static void sleepQuietly(long time)

Sleeps until the specified time elapses or the thread is interrupted.

loadClass

public static Class<?> loadClass(String fullyQualifiedName)

Attempts to load a class, returning null if it doesn't exist.

findMethodIfExists

public static Method findMethodIfExists(Class<?> klass,
                                        String methodName,
                                        Class<?>... paramTypes)

Returns a declared or inherited method with the specified parameter types, null if one doesn't exist or the passed class is null.

findFullyQualifiedMethod

public static Method findFullyQualifiedMethod(String name,
                                              Class<?>... params)
                                       throws ClassNotFoundException,
                                              NoSuchMethodException

Attempts to find a method given its fully-qualified name (eg: com.example.package.MyClass.myMethod). Typically used for static factory method lookup, but can be used for instance methods as well.

Throws:

IllegalArgumentException - if unable parse the method name.

ClassNotFoundException - if unable to load the specified class.

NoSuchMethodException - if unable to find a method with the given parameters.