Java Doc for WebClassLoader.java in  » EJB-Server-JBoss-4.2.1 » server » org » jboss » web » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » EJB Server JBoss 4.2.1 » server » org.jboss.web 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


org.jboss.web.WebClassLoader

WebClassLoader
public class WebClassLoader extends LoaderRepositoryClassLoader (Code)
A simple subclass of URLClassLoader that is used in conjunction with the the WebService mbean to allow dynamic loading of resources and classes from deployed ears, ejb jars and wars. A WebClassLoader is associated with a Container and must have an UnifiedClassLoader as its parent. It overrides the getURLs() method to return a different set of URLs for remote loading than what is used for local loading.

WebClassLoader has two methods meant to be overriden by subclasses: getKey() and getBytes(). The latter is a no-op in this implementation and should be overriden by subclasses with bytecode generation ability, such as the classloader used by the iiop module.

WebClassLoader subclasses must have a constructor with the same signature as the WebClassLoader constructor.
See Also:   WebClassLoader.getUrls()
See Also:   WebClassLoader.setWebURLs(URL[])
author:
   Scott Stark.
author:
   Sacha Labourey
author:
   Vladimir Blagojevic
author:
   Francisco Reverbel
version:
   $Revision: 57209 $




Constructor Summary
public  WebClassLoader(ObjectName containerName, RepositoryClassLoader parent)
     Creates new WebClassLoader. Subclasses must have a constructor with the same signature.

Method Summary
public  byte[]getBytes(Class clz)
     Gets the bytecodes for a given class. This implementation always returns null, indicating that it is unable to get bytecodes for any class.
public  StringgetCodebaseString()
    
public  ObjectNamegetContainer()
     Gets the JMX ObjectName of the WebClassLoader's container.
public  StringgetKey()
     Gets a string key used as the key into the WebServer's loaderMap.
public  URL[]getLocalURLs()
     Access the URLClassLoader.getURLs() value.
public  URLgetURL()
     Returns the single URL for my parent, an UnifiedClassLoader.
public  URL[]getURLs()
     Get the list of URLs that should be used as the RMI annotated codebase. This is the URLs previously set via setWebURLs.
public  voidsetWebURLs(URL[] webURLs)
     Set the URLs that should be returned from this classes getURLs() override.


Constructor Detail
WebClassLoader
public WebClassLoader(ObjectName containerName, RepositoryClassLoader parent)(Code)
Creates new WebClassLoader. Subclasses must have a constructor with the same signature.




Method Detail
getBytes
public byte[] getBytes(Class clz)(Code)
Gets the bytecodes for a given class. This implementation always returns null, indicating that it is unable to get bytecodes for any class. Should be overridden by subclasses with bytecode generation capability (such as the classloader used by the iiop module, which generates IIOP stubs on the fly).
Parameters:
  cls - a Class a byte array with the bytecodes for class cls, ornull if this classloader is unable to return such byte array.



getCodebaseString
public String getCodebaseString()(Code)



getContainer
public ObjectName getContainer()(Code)
Gets the JMX ObjectName of the WebClassLoader's container.



getKey
public String getKey()(Code)
Gets a string key used as the key into the WebServer's loaderMap.



getLocalURLs
public URL[] getLocalURLs()(Code)
Access the URLClassLoader.getURLs() value. the URLs used for local class and resource loading



getURL
public URL getURL()(Code)
Returns the single URL for my parent, an UnifiedClassLoader.



getURLs
public URL[] getURLs()(Code)
Get the list of URLs that should be used as the RMI annotated codebase. This is the URLs previously set via setWebURLs. If setWebURLs has not been invoked or was passed in a null value, the super class value of getURLs() is used. the local web URLs if not null, else the value of super.getURLs()



setWebURLs
public void setWebURLs(URL[] webURLs)(Code)
Set the URLs that should be returned from this classes getURLs() override. webURLs, the set of URL codebases to be used for remote class loading.



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