at.molindo.utils.reflect

Class ClassUtils

java.lang.Object

at.molindo.utils.reflect.ClassUtils

public class ClassUtils
extends java.lang.Object

Method Summary

Methods

Modifier and Type	Method and Description
static java.lang.Class<?>	forName(java.lang.String classname)
static java.lang.Class<?>	forName(java.lang.String classname, boolean init)
static java.lang.Class<?>	forName(java.lang.String classname, boolean init, java.lang.Class<?> fallback)
static java.lang.Class<?>	forName(java.lang.String classname, boolean init, java.lang.Thread thread)
static java.lang.Class<?>	forName(java.lang.String classname, boolean init, java.lang.Thread thread, java.lang.Class<?> fallback)
static java.lang.ClassLoader	getClassLoader()
static java.lang.ClassLoader	getClassLoader(java.lang.Class<?> fallback)
static java.lang.ClassLoader	getClassLoader(java.lang.Thread thread)
static java.lang.ClassLoader	getClassLoader(java.lang.Thread thread, java.lang.Class<?> fallback)
static java.net.URL	getClasspathResource(java.lang.Class<?> scope, java.lang.String resource)
static java.io.InputStream	getClasspathResourceAsStream(java.lang.Class<?> scope, java.lang.String resource)
static java.util.Enumeration<java.net.URL>	getClasspathResources(java.lang.Class<?> scope, java.lang.String resource)
static java.lang.String	getPackageResourcePath(java.lang.Class<?> scope, java.lang.String resource)
static java.lang.Class<?>	getTypeArgument(java.lang.Class<?> cls, java.lang.Class<?> genericCls)
static java.lang.Class<?>[]	getTypeArguments(java.lang.Class<?> cls, java.lang.Class<?> genericCls)
static java.util.Iterator<java.lang.Class<?>>	hierarchy(java.lang.Class<?> cls)
static boolean	isAssignable(java.lang.Class<?> cls, java.util.Set<java.lang.Class<?>> classes)
static boolean	isAssignableToAll(java.lang.Class<?> cls, java.util.Set<java.lang.Class<?>> classes)
static java.lang.Class<?>	toClass(java.lang.Class<?> declaringCls, java.lang.reflect.Type type)

Methods inherited from class java.lang.Object

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

Method Detail

getTypeArgument

public static java.lang.Class<?> getTypeArgument(java.lang.Class<?> cls,
                                 java.lang.Class<?> genericCls)

Parameters:

type -

genericCls -

Returns:

first actual type arguments of gernicCls in type hierarchy of cls

getTypeArguments

public static java.lang.Class<?>[] getTypeArguments(java.lang.Class<?> cls,
                                    java.lang.Class<?> genericCls)

Parameters:

type -

genericCls -

Returns:

actual type arguments of gernicCls in type hierarchy of cls

toClass

public static java.lang.Class<?> toClass(java.lang.Class<?> declaringCls,
                         java.lang.reflect.Type type)

isAssignable

public static boolean isAssignable(java.lang.Class<?> cls,
                   java.util.Set<java.lang.Class<?>> classes)

Returns:

true if cls is assignable to at least one class in classes

isAssignableToAll

public static boolean isAssignableToAll(java.lang.Class<?> cls,
                        java.util.Set<java.lang.Class<?>> classes)

Returns:

true if cls is assignable to all classes

forName

public static java.lang.Class<?> forName(java.lang.String classname)
                                  throws java.lang.ClassNotFoundException

Throws:

java.lang.ClassNotFoundException

forName

public static java.lang.Class<?> forName(java.lang.String classname,
                         boolean init)
                                  throws java.lang.ClassNotFoundException

Throws:

java.lang.ClassNotFoundException

forName

public static java.lang.Class<?> forName(java.lang.String classname,
                         boolean init,
                         java.lang.Thread thread)
                                  throws java.lang.ClassNotFoundException

Throws:

java.lang.ClassNotFoundException

forName

public static java.lang.Class<?> forName(java.lang.String classname,
                         boolean init,
                         java.lang.Class<?> fallback)
                                  throws java.lang.ClassNotFoundException

Throws:

java.lang.ClassNotFoundException

forName

public static java.lang.Class<?> forName(java.lang.String classname,
                         boolean init,
                         java.lang.Thread thread,
                         java.lang.Class<?> fallback)
                                  throws java.lang.ClassNotFoundException

Parameters:

-

classname - fully qualified name of the desired class

init - whether the class must be initialized

thread - thread to use for context classloader or null for current thread

fallback - ClassLoader providing class if no context classloader or null for this class

Returns:

class object representing the desired class

Throws:

java.lang.ClassNotFoundException - if the class cannot be located by the specified class loader

See Also:

Thread.currentThread(), Thread.getContextClassLoader(), Class.getClassLoader(), Class.forName(String, boolean, ClassLoader)

getClassLoader

public static java.lang.ClassLoader getClassLoader()

getClassLoader

public static java.lang.ClassLoader getClassLoader(java.lang.Class<?> fallback)

getClassLoader

public static java.lang.ClassLoader getClassLoader(java.lang.Thread thread)

getClassLoader

public static java.lang.ClassLoader getClassLoader(java.lang.Thread thread,
                                   java.lang.Class<?> fallback)

Parameters:

thread - Thread to use for context ClassLoader or null for current thread

fallback - ClassLoader providing class if no context classloader or null for this class

Returns:

never null

getClasspathResource

public static java.net.URL getClasspathResource(java.lang.Class<?> scope,
                                java.lang.String resource)

See Also:

getPackageResourcePath(Class, String), ClassLoader.getResource(String)

getClasspathResourceAsStream

public static java.io.InputStream getClasspathResourceAsStream(java.lang.Class<?> scope,
                                               java.lang.String resource)

See Also:

getPackageResourcePath(Class, String), ClassLoader.getResourceAsStream(String)

getClasspathResources

public static java.util.Enumeration<java.net.URL> getClasspathResources(java.lang.Class<?> scope,
                                                        java.lang.String resource)
                                                                 throws java.io.IOException

Throws:

java.io.IOException

See Also:

getPackageResourcePath(Class, String), ClassLoader.getResources(String)

getPackageResourcePath

public static java.lang.String getPackageResourcePath(java.lang.Class<?> scope,
                                      java.lang.String resource)

Returns:

the full classpath for the resource in the same package as scope

hierarchy

public static java.util.Iterator<java.lang.Class<?>> hierarchy(java.lang.Class<?> cls)

Returns:

an Iterator over the Class hierarchy

See Also:

Class.getSuperclass()