org.eclipse.birt.core.framework

Class URLClassLoader

java.lang.Object

java.lang.ClassLoader

java.security.SecureClassLoader

java.net.URLClassLoader

org.eclipse.birt.core.framework.URLClassLoader

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

Direct Known Subclasses:

OSGILauncher.ChildFirstURLClassLoader

public class URLClassLoader
extends java.net.URLClassLoader

A URL class loader with close API. Java's URL class loader locks the JAR file it loaded until the JVM exit. It may cause some problem when we need remove the JARs if the class loader are not used any more. BIRT's URL class loader add a new close() method to close the JAR files explicitly. Once the close() is called, the user can't use the class and the loaded classes any more.

Constructor Summary

Constructors

Constructor and Description
URLClassLoader(java.net.URL[] urls)
URLClassLoader(java.net.URL[] urls, java.lang.ClassLoader parent)

Method Summary

Methods

Modifier and Type	Method and Description
void	addURL(java.net.URL url)
void	close()
static java.lang.String	decode(java.lang.String s)
protected void	definePackage(java.lang.String className, org.eclipse.birt.core.framework.URLClassLoader.Resource resource)
protected java.lang.Class<?>	findClass(java.lang.String name)
protected java.lang.Class<?>	findClass1(java.lang.String name)
java.net.URL	findResource(java.lang.String name)
protected java.net.URL	findResource1(java.lang.String name)
java.util.Enumeration<java.net.URL>	findResources(java.lang.String name)
protected java.util.Enumeration<java.net.URL>	findResources1(java.lang.String name)
java.net.URL[]	getURLs()

Methods inherited from class java.net.URLClassLoader

definePackage, getPermissions, getResourceAsStream, 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, getResource, getResources, getSystemClassLoader, getSystemResource, getSystemResourceAsStream, getSystemResources, loadClass, 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

Constructor Detail

URLClassLoader

public URLClassLoader(java.net.URL[] urls)

URLClassLoader

public URLClassLoader(java.net.URL[] urls,
              java.lang.ClassLoader parent)

Method Detail

close

public void close()

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

Overrides:

close in class java.net.URLClassLoader

addURL

public void addURL(java.net.URL url)

Overrides:

addURL in class java.net.URLClassLoader

getURLs

public java.net.URL[] getURLs()

Overrides:

getURLs in class java.net.URLClassLoader

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

findClass1

protected java.lang.Class<?> findClass1(java.lang.String name)
                                 throws java.lang.ClassNotFoundException

Throws:

java.lang.ClassNotFoundException

definePackage

protected void definePackage(java.lang.String className,
                 org.eclipse.birt.core.framework.URLClassLoader.Resource resource)

findResource

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

Overrides:

findResource in class java.net.URLClassLoader

findResource1

protected java.net.URL findResource1(java.lang.String name)

findResources

public java.util.Enumeration<java.net.URL> findResources(java.lang.String name)

Overrides:

findResources in class java.net.URLClassLoader

findResources1

protected java.util.Enumeration<java.net.URL> findResources1(java.lang.String name)

decode

public static java.lang.String decode(java.lang.String s)