RestartClassLoader (Spring Boot API)

java.lang.Object
- java.lang.ClassLoader
- - java.security.SecureClassLoader
  - - java.net.URLClassLoader
    - - org.springframework.boot.devtools.restart.classloader.RestartClassLoader

All Implemented Interfaces:
Closeable, AutoCloseable, org.springframework.core.SmartClassLoader
```
public class RestartClassLoader
extends 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	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, org.apache.commons.logging.Log logger)`	Create a new `RestartClassLoader` instance.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected void`	`finalize()`
`protected Class<?>`	`findClass(String name)`
`URL`	`findResource(String name)`
`URL`	`getResource(String name)`
`Enumeration<URL>`	`getResources(String name)`
`boolean`	`isClassReloadable(Class<?> classType)`
`Class<?>`	`loadClass(String name, boolean resolve)`

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.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,
                          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 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

finalize

protected void finalize()
                 throws Throwable

Overrides:: finalize in class Object
Throws:: Throwable

isClassReloadable
```
public boolean isClassReloadable(Class<?> classType)
```
Specified by:
isClassReloadable in interface org.springframework.core.SmartClassLoader