Package org.apache.activemq.artemis.utils

Class ClassloadingUtil

java.lang.Object

org.apache.activemq.artemis.utils.ClassloadingUtil

public final class ClassloadingUtil
extends Object

This class will be used to perform generic class-loader operations, such as load a class first using TCCL, and then the classLoader used by ActiveMQ Artemis (ClassloadingUtil.getClass().getClassLoader()).

Is't required to use a Security Block on any calls to this class.

Constructor Summary

Constructors

Constructor	Description
ClassloadingUtil()

Method Summary

Modifier and Type	Method	Description
static URL	findResource(ClassLoader loader, String resourceName)
static URL	findResource(String resourceName)
static Object	getInstanceForParamsWithTypeCheck(String className, Class<?> expectedType, ClassLoader loader, Class<?>[] parameterTypes, Object... params)
static Object	getInstanceWithTypeCheck(String className, Class<?> expectedType, ClassLoader loader)
static Properties	loadProperties(ClassLoader loader, String propertiesFile)
static Properties	loadProperties(String propertiesFile)
static String	loadProperty(ClassLoader loader, String propertiesFile, String name)
static Object	newInstanceFromClassLoader(Class<?> classOwner, String className, Class<?> expectedType)
static Object	newInstanceFromClassLoader(String className, Class<?> expectedType)

Methods inherited from class java.lang.Object

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

Constructor Details

ClassloadingUtil

public ClassloadingUtil()

Method Details

newInstanceFromClassLoader

public static Object newInstanceFromClassLoader(String className,
 Class<?> expectedType)

newInstanceFromClassLoader

public static Object newInstanceFromClassLoader(Class<?> classOwner,
 String className,
 Class<?> expectedType)

getInstanceWithTypeCheck

public static Object getInstanceWithTypeCheck(String className,
 Class<?> expectedType,
 ClassLoader loader)
                                       throws ClassNotFoundException,
InstantiationException,
IllegalAccessException,
InvocationTargetException,
NoSuchMethodException

Throws:

ClassNotFoundException

InstantiationException

IllegalAccessException

InvocationTargetException

NoSuchMethodException

getInstanceForParamsWithTypeCheck

public static Object getInstanceForParamsWithTypeCheck(String className,
 Class<?> expectedType,
 ClassLoader loader,
 Class<?>[] parameterTypes,
 Object... params)
                                                throws ClassNotFoundException,
InstantiationException,
IllegalAccessException,
InvocationTargetException,
NoSuchMethodException

Throws:

ClassNotFoundException

InstantiationException

IllegalAccessException

InvocationTargetException

NoSuchMethodException

findResource

public static URL findResource(String resourceName)

findResource

public static URL findResource(ClassLoader loader,
 String resourceName)

loadProperty

public static String loadProperty(ClassLoader loader,
 String propertiesFile,
 String name)

loadProperties

public static Properties loadProperties(String propertiesFile)

loadProperties

public static Properties loadProperties(ClassLoader loader,
 String propertiesFile)