org.springframework.boot.devtools.restart.classloader

Class RestartClassLoader

java.lang.Object

java.lang.ClassLoader

java.security.SecureClassLoader

java.net.URLClassLoader

org.springframework.boot.devtools.restart.classloader.RestartClassLoader

All Implemented Interfaces:

Closeable, AutoCloseable, SmartClassLoader

public class RestartClassLoader
extends URLClassLoader
implements SmartClassLoader

Disposable ClassLoader used to support application restarting. Provides parent last loading for the specified URLs.

Since:

1.3.0

Author:

Andy Clement, Phillip Webb

Constructor Summary

Constructors

Constructor and Description
RestartClassLoader(ClassLoader parent, URL[] urls) Create a new RestartClassLoader instance.
RestartClassLoader(ClassLoader parent, URL[] urls, ClassLoaderFileRepository updatedFiles) Create a new RestartClassLoader instance.
RestartClassLoader(ClassLoader parent, URL[] urls, ClassLoaderFileRepository updatedFiles, Log logger) Create a new RestartClassLoader instance.

Method Summary

Modifier and Type	Method and Description
protected void	finalize()
protected Class<?>	findClass(String name)
URL	findResource(String name)
ClassLoader	getOriginalClassLoader()
URL	getResource(String name)
Enumeration<URL>	getResources(String name)
boolean	isClassReloadable(Class<?> classType)
Class<?>	loadClass(String name, boolean resolve)
Class<?>	publicDefineClass(String name, byte[] b, ProtectionDomain protectionDomain)

Methods inherited from class java.net.URLClassLoader

addURL, close, definePackage, findResources, getPermissions, getResourceAsStream, getURLs, newInstance, newInstance

Methods inherited from class java.security.SecureClassLoader

defineClass, defineClass

Methods inherited from class java.lang.ClassLoader

clearAssertionStatus, defineClass, defineClass, defineClass, defineClass, definePackage, findLibrary, findLoadedClass, 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, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RestartClassLoader

public RestartClassLoader(ClassLoader parent,
                          URL[] urls)

Create a new RestartClassLoader instance.

Parameters:

parent - the parent classloader

urls - the urls managed by the classloader

RestartClassLoader

public RestartClassLoader(ClassLoader parent,
                          URL[] urls,
                          ClassLoaderFileRepository updatedFiles)

Create a new RestartClassLoader instance.

Parameters:

parent - the parent classloader

updatedFiles - any files that have been updated since the JARs referenced in URLs were created.

urls - the urls managed by the classloader

RestartClassLoader

public RestartClassLoader(ClassLoader parent,
                          URL[] urls,
                          ClassLoaderFileRepository updatedFiles,
                          Log logger)

Create a new RestartClassLoader instance.

Parameters:

parent - the parent classloader

updatedFiles - any files that have been updated since the JARs referenced in URLs were created.

urls - the urls managed by the classloader

logger - the logger used for messages

Method Detail

getResources

public Enumeration<URL> getResources(String name)
                              throws IOException

Overrides:

getResources in class ClassLoader

Throws:

IOException

getResource

public URL getResource(String name)

Overrides:

getResource in class ClassLoader

findResource

public URL findResource(String name)

Overrides:

findResource in class URLClassLoader

loadClass

public Class<?> loadClass(String name,
                          boolean resolve)
                   throws ClassNotFoundException

Overrides:

loadClass in class ClassLoader

Throws:

ClassNotFoundException

findClass

protected Class<?> findClass(String name)
                      throws ClassNotFoundException

Overrides:

findClass in class URLClassLoader

Throws:

ClassNotFoundException

publicDefineClass

public Class<?> publicDefineClass(String name,
                                  byte[] b,
                                  ProtectionDomain protectionDomain)

Specified by:

publicDefineClass in interface SmartClassLoader

getOriginalClassLoader

public ClassLoader getOriginalClassLoader()

Specified by:

getOriginalClassLoader in interface SmartClassLoader

finalize

protected void finalize()
                 throws Throwable

Overrides:

finalize in class Object

Throws:

Throwable

isClassReloadable

public boolean isClassReloadable(Class<?> classType)

Specified by:

isClassReloadable in interface SmartClassLoader