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:

java.io.Closeable, java.lang.AutoCloseable, org.springframework.core.SmartClassLoader

public class RestartClassLoader
extends java.net.URLClassLoader
implements org.springframework.core.SmartClassLoader

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

Since:

1.3.0

Constructor Summary

Constructors

Constructor and Description
RestartClassLoader(java.lang.ClassLoader parent, java.net.URL[] urls) Create a new RestartClassLoader instance.
RestartClassLoader(java.lang.ClassLoader parent, java.net.URL[] urls, ClassLoaderFileRepository updatedFiles) Create a new RestartClassLoader instance.
RestartClassLoader(java.lang.ClassLoader parent, java.net.URL[] urls, ClassLoaderFileRepository updatedFiles, org.apache.commons.logging.Log logger) Create a new RestartClassLoader instance.

Method Summary

Modifier and Type	Method and Description
protected void	finalize()
protected java.lang.Class<?>	findClass(java.lang.String name)
java.net.URL	findResource(java.lang.String name)
java.net.URL	getResource(java.lang.String name)
java.util.Enumeration<java.net.URL>	getResources(java.lang.String name)
boolean	isClassReloadable(java.lang.Class<?> classType)
java.lang.Class<?>	loadClass(java.lang.String name, boolean resolve)
java.lang.Class<?>	publicDefineClass(java.lang.String name, byte[] b, java.security.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(java.lang.ClassLoader parent,
                          java.net.URL[] urls)

Create a new RestartClassLoader instance.

Parameters:

parent - the parent classloader

urls - the urls managed by the classloader

RestartClassLoader

public RestartClassLoader(java.lang.ClassLoader parent,
                          java.net.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(java.lang.ClassLoader parent,
                          java.net.URL[] urls,
                          ClassLoaderFileRepository updatedFiles,
                          org.apache.commons.logging.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 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

getResource

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

Overrides:

getResource in class java.lang.ClassLoader

findResource

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

Overrides:

findResource in class java.net.URLClassLoader

loadClass

public 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

findClass

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

Overrides:

findClass in class java.net.URLClassLoader

Throws:

java.lang.ClassNotFoundException

publicDefineClass

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

Specified by:

publicDefineClass in interface org.springframework.core.SmartClassLoader

finalize

protected void finalize()
                 throws java.lang.Throwable

Overrides:

finalize in class java.lang.Object

Throws:

java.lang.Throwable

isClassReloadable

public boolean isClassReloadable(java.lang.Class<?> classType)

Specified by:

isClassReloadable in interface org.springframework.core.SmartClassLoader