play.classloading

Class ApplicationClassloader

java.lang.Object

java.lang.ClassLoader

play.classloading.ApplicationClassloader

public class ApplicationClassloader
extends java.lang.ClassLoader

The application classLoader. Load the classes from the application Java sources files.

Field Summary

Fields

Modifier and Type	Field and Description
ApplicationClassloaderState	currentState A representation of the current state of the ApplicationClassloader.
java.security.ProtectionDomain	protectionDomain This protection domain applies to all loaded classes.

Constructor Summary

Constructors

Constructor and Description
ApplicationClassloader()

Method Summary

Modifier and Type	Method and Description
void	detectChanges() Detect Java changes
java.util.List<java.lang.Class>	getAllClasses() Try to load all .java files found.
java.util.List<java.lang.Class>	getAnnotatedClasses(java.lang.Class[] clazz)
java.util.List<java.lang.Class>	getAnnotatedClasses(java.lang.Class<? extends java.lang.annotation.Annotation> clazz) Retrieve all application classes with a specific annotation.
java.util.List<java.lang.Class>	getAssignableClasses(java.lang.Class clazz) Retrieve all application classes assignable to this class.
java.lang.Class	getClassIgnoreCase(java.lang.String name) Find a class in a case insensitive way
java.net.URL	getResource(java.lang.String name)
java.io.InputStream	getResourceAsStream(java.lang.String name)
java.util.Enumeration<java.net.URL>	getResources(java.lang.String name)
java.lang.Class<?>	loadApplicationClass(java.lang.String name)
protected java.lang.Class<?>	loadClass(java.lang.String name, boolean resolve)

Methods inherited from class java.lang.ClassLoader

clearAssertionStatus, defineClass, defineClass, defineClass, defineClass, definePackage, findClass, findLibrary, findLoadedClass, findResource, findResources, findSystemClass, getClassLoadingLock, getPackage, getPackages, getParent, getSystemClassLoader, getSystemResource, getSystemResourceAsStream, getSystemResources, loadClass, registerAsParallelCapable, resolveClass, setClassAssertionStatus, setDefaultAssertionStatus, setPackageAssertionStatus, setSigners

Methods inherited from class java.lang.Object

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

Field Detail

currentState

public ApplicationClassloaderState currentState

A representation of the current state of the ApplicationClassloader. It gets a new value each time the state of the classloader changes.

protectionDomain

public java.security.ProtectionDomain protectionDomain

This protection domain applies to all loaded classes.

Constructor Detail

ApplicationClassloader

public ApplicationClassloader()

Method Detail

loadClass

protected java.lang.Class<?> loadClass(java.lang.String name,
                                       boolean resolve)
                                throws java.lang.ClassNotFoundException

Overrides:

loadClass in class java.lang.ClassLoader

Throws:

java.lang.ClassNotFoundException

loadApplicationClass

public java.lang.Class<?> loadApplicationClass(java.lang.String name)

getResourceAsStream

public java.io.InputStream getResourceAsStream(java.lang.String name)

Overrides:

getResourceAsStream in class java.lang.ClassLoader

getResource

public java.net.URL getResource(java.lang.String name)

Overrides:

getResource in class java.lang.ClassLoader

getResources

public java.util.Enumeration<java.net.URL> getResources(java.lang.String name)
                                                 throws java.io.IOException

Overrides:

getResources in class java.lang.ClassLoader

Throws:

java.io.IOException

detectChanges

public void detectChanges()
                   throws RestartNeededException

Detect Java changes

Throws:

RestartNeededException - Thrown if the application need to be restarted

getAllClasses

public java.util.List<java.lang.Class> getAllClasses()

Try to load all .java files found.

Returns:

The list of well defined Class

getAssignableClasses

public java.util.List<java.lang.Class> getAssignableClasses(java.lang.Class clazz)

Retrieve all application classes assignable to this class.

Parameters:

clazz - The superclass, or the interface.

Returns:

A list of class

getClassIgnoreCase

public java.lang.Class getClassIgnoreCase(java.lang.String name)

Find a class in a case insensitive way

Parameters:

name - The class name.

Returns:

a class

getAnnotatedClasses

public java.util.List<java.lang.Class> getAnnotatedClasses(java.lang.Class<? extends java.lang.annotation.Annotation> clazz)

Retrieve all application classes with a specific annotation.

Parameters:

clazz - The annotation class.

Returns:

A list of class

getAnnotatedClasses

public java.util.List<java.lang.Class> getAnnotatedClasses(java.lang.Class[] clazz)