tigase.util

Class ClassUtil

java.lang.Object

tigase.util.ClassUtil

public class ClassUtil
extends java.lang.Object

ClassUtil file contains code used for loading all implementations of specified interface or abstract class found in classpath. As a result of calling some functions you can have Set containing all required classes.

Created: Wed Oct 6 08:25:52 2004

Constructor Summary

Constructors

Constructor and Description
ClassUtil()

Method Summary

Modifier and Type	Method and Description
static java.util.Set<java.lang.Class>	getClassesFromClassPath() Method description
static java.util.Set<java.lang.Class>	getClassesFromNames(java.util.Set<java.lang.String> names) Method description
static <T extends java.lang.Class> java.util.Set<T>	getClassesImplementing(java.util.Set<java.lang.Class> classes, T cls) Method description
static <T extends java.lang.Class> java.util.Set<T>	getClassesImplementing(T cls) Method description
static java.lang.String	getClassNameFromFileName(java.lang.String fileName) Method description
static java.util.Set<java.lang.String>	getClassNamesFromDir(java.io.File dir) Method description
static java.util.Set<java.lang.String>	getClassNamesFromJar(java.io.File jarFile) Method description
static java.util.Set<java.lang.String>	getFileListDeep(java.io.File path) Method description
static <T> java.util.Set<T>	getImplementations(java.lang.Class<T> obj) Method description
static void	walkInDirForFiles(java.io.File base_dir, java.lang.String path, java.util.Set<java.lang.String> set) Method description

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

getClassNameFromFileName

public static java.lang.String getClassNameFromFileName(java.lang.String fileName)

Method description

Parameters:

fileName -

Returns:

getClassNamesFromDir

public static java.util.Set<java.lang.String> getClassNamesFromDir(java.io.File dir)

Method description

Parameters:

dir -

Returns:

getClassNamesFromJar

public static java.util.Set<java.lang.String> getClassNamesFromJar(java.io.File jarFile)
                                                            throws java.io.IOException

Method description

Parameters:

jarFile -

Returns:

Throws:

java.io.IOException

getClassesFromClassPath

public static java.util.Set<java.lang.Class> getClassesFromClassPath()
                                                              throws java.io.IOException,
                                                                     java.lang.ClassNotFoundException

Method description

Returns:

Throws:

java.lang.ClassNotFoundException

java.io.IOException

getClassesFromNames

public static java.util.Set<java.lang.Class> getClassesFromNames(java.util.Set<java.lang.String> names)
                                                          throws java.lang.ClassNotFoundException

Method description

Parameters:

names -

Returns:

Throws:

java.lang.ClassNotFoundException

getClassesImplementing

public static <T extends java.lang.Class> java.util.Set<T> getClassesImplementing(java.util.Set<java.lang.Class> classes,
                                                                                  T cls)

Method description

Type Parameters:

T -

Parameters:

classes -

cls -

Returns:

getClassesImplementing

public static <T extends java.lang.Class> java.util.Set<T> getClassesImplementing(T cls)
                                                                           throws java.io.IOException,
                                                                                  java.lang.ClassNotFoundException

Method description

Type Parameters:

T -

Parameters:

cls -

Returns:

Throws:

java.lang.ClassNotFoundException

java.io.IOException

getFileListDeep

public static java.util.Set<java.lang.String> getFileListDeep(java.io.File path)

Method description

Parameters:

path -

Returns:

getImplementations

public static <T> java.util.Set<T> getImplementations(java.lang.Class<T> obj)
                                               throws java.io.IOException,
                                                      java.lang.ClassNotFoundException,
                                                      java.lang.InstantiationException,
                                                      java.lang.IllegalAccessException

Method description

Type Parameters:

T -

Parameters:

obj -

Returns:

Throws:

java.lang.ClassNotFoundException

java.io.IOException

java.lang.IllegalAccessException

java.lang.InstantiationException

walkInDirForFiles

public static void walkInDirForFiles(java.io.File base_dir,
                                     java.lang.String path,
                                     java.util.Set<java.lang.String> set)

Method description

Parameters:

base_dir -

path -

set -