org.apache.tapestry.util
Class DefaultResourceResolver

java.lang.Object
  org.apache.tapestry.util.DefaultResourceResolver

All Implemented Interfaces:

ognl.ClassResolver, IResourceResolver

public class DefaultResourceResolver
extends Object
implements IResourceResolver

Default implementation of IResourceResolver based around Thread.getContextClassLoader() (which is set by the servlet container).

Since:

2.3

Version:

$Id: DefaultResourceResolver.java 243791 2004-02-19 17:38:13Z hlship $

Author:

Howard Lewis Ship

Constructor Summary

DefaultResourceResolver()
Constructs a new instance using Thread.getContextClassLoader().

DefaultResourceResolver(ClassLoader loader)

Method Summary

Class	classForName(String name, Map map) OGNL Support for dynamic class loading.
Class	findClass(String name) Invokes Class.forName(java.lang.String, boolean, java.lang.ClassLoader).
ClassLoader	getClassLoader() Returns a ClassLoader that can see all the classes the resolver can access.
URL	getResource(String name) Forwarded, unchanged, to the class loader.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DefaultResourceResolver

public DefaultResourceResolver()

Constructs a new instance using Thread.getContextClassLoader().

DefaultResourceResolver

public DefaultResourceResolver(ClassLoader loader)

Method Detail

getResource

public URL getResource(String name)

Description copied from interface: IResourceResolver

Forwarded, unchanged, to the class loader. Returns null if the resource is not found.

Specified by:

getResource in interface IResourceResolver

findClass

public Class findClass(String name)

Invokes Class.forName(java.lang.String, boolean, java.lang.ClassLoader).

Specified by:

findClass in interface IResourceResolver

Parameters:

name - the complete class name to locate and load

Returns:

The loaded class

Throws:

ApplicationRuntimeException - if loading the class throws an exception (typically ClassNotFoundException or a security exception)

classForName

public Class classForName(String name,
                          Map map)
                   throws ClassNotFoundException

OGNL Support for dynamic class loading. Simply invokes findClass(String).

Specified by:

classForName in interface ognl.ClassResolver

Throws:

ClassNotFoundException

getClassLoader

public ClassLoader getClassLoader()

Description copied from interface: IResourceResolver

Returns a ClassLoader that can see all the classes the resolver can access.

Specified by:

getClassLoader in interface IResourceResolver

Since:

3.0