com.axelor.common

Class ClassUtils

java.lang.Object

com.axelor.common.ClassUtils

public final class ClassUtils
extends Object

Provides class utility methods.

Method Summary

Modifier and Type	Method and Description
static String	classToResourceName(Class<?> klass) Get the resource path of the given class.
static String	classToResourceName(String klass) Convert the class name to '/' based resource path.
static ClassLoader	getContextClassLoader() Returns the context ClassLoader for this Thread.
static ClassLoader	getDefaultClassLoader() Returns the default ClassLoader.
static <T> Class<? super T>	getRealClass(Class<T> proxyClass) Get the real class of the given proxy class.
static URL	getResource(String location) Finds the resource from the class path with the given location using default ClassLoader.
static URL	getURL(String location) Resolve the given resource location to a URL.
static boolean	isProxy(Object object) Check whether the given object is a CGLIB or ByteBuddy proxy.
static boolean	isProxyClass(Class<?> clazz) Check whether the given class is a CGLIB or ByteBuddy proxy class, assuming no custom proxy class naming is used.
static boolean	isProxyClassName(String className) Check whether the given class name is a CGLIB or ByteBuddy proxy class name, assuming no custom class naming is used.
static String	resourceToClassName(String resource) Convert the '/' based resource path to '.' based class name.
static ClassLoader	setContextClassLoader(ClassLoader classLoader) Override the context ClassLoader of this Thread.

Methods inherited from class java.lang.Object

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

Method Detail

getContextClassLoader

public static ClassLoader getContextClassLoader()

Returns the context ClassLoader for this Thread.

Returns:

the context ClassLoader for this Thread, or null indicating the system class loader.

See Also:

Thread.getContextClassLoader()

setContextClassLoader

public static ClassLoader setContextClassLoader(ClassLoader classLoader)

Override the context ClassLoader of this Thread.

Parameters:

classLoader - the ClassLoader to override.

Returns:

the previous context ClassLoader, or null if ClassLoader is not overriden.

getDefaultClassLoader

public static ClassLoader getDefaultClassLoader()

Returns the default ClassLoader.

Generally, it is current Thread context ClassLoader. If not available, it will be the ClassLoader that loaded the ClassUtils.

Returns:

the default ClassLoader, or null if system ClassLoader is not accessible.

resourceToClassName

public static String resourceToClassName(String resource)

Convert the '/' based resource path to '.' based class name.

Parameters:

resource - the resource path

Returns:

the corresponding fully qualified class name

classToResourceName

public static String classToResourceName(String klass)

Convert the class name to '/' based resource path.

Parameters:

klass - the fully qualified class name

Returns:

the corresponding resource path

classToResourceName

public static String classToResourceName(Class<?> klass)

Get the resource path of the given class.

Parameters:

klass - the class

Returns:

the corresponding resource path

isProxy

public static boolean isProxy(Object object)

Check whether the given object is a CGLIB or ByteBuddy proxy.

Parameters:

object - the object to check

Returns:

true if object is proxy

isProxyClass

public static boolean isProxyClass(Class<?> clazz)

Check whether the given class is a CGLIB or ByteBuddy proxy class, assuming no custom proxy class naming is used.

Parameters:

clazz - the class to check

Returns:

true of given class is a proxy class

isProxyClassName

public static boolean isProxyClassName(String className)

Check whether the given class name is a CGLIB or ByteBuddy proxy class name, assuming no custom class naming is used.

Parameters:

className - the class name to check

Returns:

true if class name is proxy class name

getRealClass

public static <T> Class<? super T> getRealClass(Class<T> proxyClass)

Get the real class of the given proxy class.

Parameters:

proxyClass - the proxy class whose first real super class is required.

Returns:

the real super class of the given proxy class, or itself if it's not a proxy class

getURL

public static URL getURL(String location)
                  throws FileNotFoundException

Resolve the given resource location to a URL.

Parameters:

location - the resource location to resolve, either a pseudo 'classpath:' url, a 'file:' url or plain resource location.

Returns:

a corresponding URL object

Throws:

FileNotFoundException - if location can't be resolved.

getResource

public static URL getResource(String location)

Finds the resource from the class path with the given location using default ClassLoader.

Parameters:

location - The resource location

Returns:

an URL for reading the resource or null

See Also:

getDefaultClassLoader(), ClassLoader.getResource(String)