Package tigase.util

Class ClassUtil

java.lang.Object

tigase.util.ClassUtil

public class ClassUtil
extends 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

Version:

$Rev$

Author:

Artur Hefczyc

Constructor Summary

Constructors

Constructor	Description
ClassUtil()

Method Summary

Modifier and Type	Method	Description
static Set<Class<?>>	getClassesFromClassPath()
static Set<Class<?>>	getClassesFromClassPath(Predicate<String> classNamesFilter)
static Set<Class<?>>	getClassesFromNames(Set<String> names)
static Set<Class<?>>	getClassesFromNames(Set<String> names, Predicate<String> filter)
static <T extends Class> Set<T>	getClassesImplementing(Collection<Class<?>> classes, T cls)
static <T extends Class> Set<T>	getClassesImplementing(T cls)
static String	getClassNameFromFileName(String fileName)
static Set<String>	getClassNamesFromDir(File dir)
static Set<String>	getClassNamesFromJar(File jarFile)
static Set<String>	getFileListDeep(File path)
static <T> Set<T>	getImplementations(Class<T> obj)
static void	walkInDirForFiles(File base_dir, String path, Set<String> set)

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 String getClassNameFromFileName(String fileName)

getClassNamesFromDir

public static Set<String> getClassNamesFromDir(File dir)

getClassNamesFromJar

public static Set<String> getClassNamesFromJar(File jarFile)
                                        throws IOException

Throws:

IOException

getClassesFromClassPath

public static Set<Class<?>> getClassesFromClassPath()
                                             throws IOException,
                                                    ClassNotFoundException

Throws:

IOException

ClassNotFoundException

getClassesFromClassPath

public static Set<Class<?>> getClassesFromClassPath(Predicate<String> classNamesFilter)
                                             throws IOException,
                                                    ClassNotFoundException

Throws:

IOException

ClassNotFoundException

getClassesFromNames

public static Set<Class<?>> getClassesFromNames(Set<String> names)
                                         throws ClassNotFoundException

Throws:

ClassNotFoundException

getClassesFromNames

public static Set<Class<?>> getClassesFromNames(Set<String> names,
                                                Predicate<String> filter)
                                         throws ClassNotFoundException

Throws:

ClassNotFoundException

getClassesImplementing

public static <T extends Class> Set<T> getClassesImplementing(Collection<Class<?>> classes,
                                                              T cls)

getClassesImplementing

public static <T extends Class> Set<T> getClassesImplementing(T cls)
                                                       throws IOException,
                                                              ClassNotFoundException

Throws:

IOException

ClassNotFoundException

getFileListDeep

public static Set<String> getFileListDeep(File path)

getImplementations

public static <T> Set<T> getImplementations(Class<T> obj)
                                     throws IOException,
                                            ClassNotFoundException,
                                            InstantiationException,
                                            IllegalAccessException

Throws:

IOException

ClassNotFoundException

InstantiationException

IllegalAccessException

walkInDirForFiles

public static void walkInDirForFiles(File base_dir,
                                     String path,
                                     Set<String> set)