org.dmonix.util
Class ClassUtil

java.lang.Object
  org.dmonix.util.ClassUtil

public abstract class ClassUtil

extends java.lang.Object

Miscellaneus utility methods.

Copyright: Copyright (c) 2004

Company: dmonix.org

Version:

1.0

Author:

Peter Nerg

Constructor Summary

ClassUtil()

Method Summary

static boolean	isInterfaceImplemention(java.lang.Class interfaceClass, java.lang.Class c, boolean checkParent) Checks if a class implements the requested interface.
static boolean	isInterfaceImplemention(java.lang.String interfaceClass, java.lang.Class c, boolean checkParent) Checks if a class implements the requested interface.
static void	openBrowser(java.lang.String url) Opens the default brower with the supplied URL.
static java.lang.String	padNumber(int number, int length) Returns a string with a leading zero(es) if the input number is shorter than the requested length.
static java.lang.String	padString(java.lang.String s, int size) Returns a string with a leading zero(es) if the input string is shorter than the requested length.

Methods inherited from class java.lang.Object

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

Constructor Detail

ClassUtil

public ClassUtil()

Method Detail

isInterfaceImplemention

public static boolean isInterfaceImplemention(java.lang.Class interfaceClass,
                                              java.lang.Class c,
                                              boolean checkParent)

Checks if a class implements the requested interface.
If the class does not implements the requested interface and the checkParent is true then all the the parents will be checked until either a class that implements the interface or there are no more parent classes.

Parameters:

interfaceClass - The interface class

c - The class to check

checkParent - true - checks all parents, false checks only the provided class

Returns:

true if the class or parent class implements the interface, false otherwise

See Also:

isInterfaceImplemention(String, Class, boolean)

isInterfaceImplemention

public static boolean isInterfaceImplemention(java.lang.String interfaceClass,
                                              java.lang.Class c,
                                              boolean checkParent)

Checks if a class implements the requested interface.
If the class does not implements the requested interface and the checkParent is true then all the the parents will be checked until either a class that implements the interface or there are no more parent classes.

Parameters:

interfaceClass - The interface class

c - The class to check

checkParent - true - checks all parents, false checks only the provided class

Returns:

true if the class or parent class implements the interface, false otherwise

openBrowser

public static void openBrowser(java.lang.String url)
                        throws java.lang.ClassNotFoundException,
                               java.lang.NoSuchMethodException,
                               java.net.MalformedURLException,
                               java.lang.reflect.InvocationTargetException,
                               java.lang.IllegalAccessException

Opens the default brower with the supplied URL.
The method requires the com.sun.javaws.BrowserSupport class to be included in the classpath.
The above class will automatically be included in the classpath if the application invoking this method is running under Java Web Start.

Parameters:

url - The URL

Throws:

java.lang.ClassNotFoundException

java.lang.NoSuchMethodException

java.net.MalformedURLException

java.lang.reflect.InvocationTargetException

java.lang.IllegalAccessException

padNumber

public static java.lang.String padNumber(int number,
                                         int length)

Returns a string with a leading zero(es) if the input number is shorter than the requested length.

Parameters:

number - The number to pad

length - The requested length of the string

Returns:

The padded string representation

padString

public static java.lang.String padString(java.lang.String s,
                                         int size)

Returns a string with a leading zero(es) if the input string is shorter than the requested length.

Parameters:

s - The string to pad

size - The requested length of the string

Returns:

The padded string representation