org.apache.velocity.tools.view
Class ViewToolInfo

java.lang.Object
  org.apache.velocity.tools.view.ViewToolInfo

All Implemented Interfaces:

ToolInfo

Direct Known Subclasses:

ServletToolInfo

public class ViewToolInfo

extends java.lang.Object

implements ToolInfo

ToolInfo implementation for view tools. New instances are returned for every call to getInstance(obj), and tools that implement ViewTool are initialized with the given object before being returned.

Version:

$Id: ViewToolInfo.java,v 1.7.2.1 2004/03/12 20:16:28 nbubna Exp $

Author:

Nathan Bubna

Field Summary

private java.lang.Class	clazz
private boolean	initializable
private java.lang.String	key

Constructor Summary

ViewToolInfo()

Method Summary

protected java.lang.Class	getApplicationClass(java.lang.String name) Return the Class object for the specified fully qualified class name, from this web application's class loader.
java.lang.String	getClassname()
java.lang.Object	getInstance(java.lang.Object initData) Returns a new instance of the tool.
java.lang.String	getKey() Accessors
void	setClassname(java.lang.String classname) If an instance of the tool cannot be created from the classname passed to this method, it will throw an exception.
void	setKey(java.lang.String key) Mutators

Methods inherited from class java.lang.Object

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

Field Detail

key

private java.lang.String key

clazz

private java.lang.Class clazz

initializable

private boolean initializable

Constructor Detail

ViewToolInfo

public ViewToolInfo()

Method Detail

getApplicationClass

protected java.lang.Class getApplicationClass(java.lang.String name)
                                       throws java.lang.ClassNotFoundException

Return the Class object for the specified fully qualified class name, from this web application's class loader. If no class loader is set for the current thread, then the class loader that loaded this class will be used.

Parameters:

name - Fully qualified class name to be loaded

Returns:

Class object

Throws:

java.lang.ClassNotFoundException - if the class cannot be found

Since:

VelocityTools 1.1

setKey

public void setKey(java.lang.String key)

Mutators

setClassname

public void setClassname(java.lang.String classname)
                  throws java.lang.Exception

If an instance of the tool cannot be created from the classname passed to this method, it will throw an exception.

Parameters:

classname - the fully qualified java.lang.Class of the tool

Throws:

java.lang.Exception

getKey

public java.lang.String getKey()

Accessors

Specified by:

getKey in interface ToolInfo

Returns:

the context key for the tool

getClassname

public java.lang.String getClassname()

Specified by:

getClassname in interface ToolInfo

Returns:

the fully qualified classname for the tool

getInstance

public java.lang.Object getInstance(java.lang.Object initData)

Returns a new instance of the tool. If the tool implements ViewTool, the new instance will be initialized using the given data.

Specified by:

getInstance in interface ToolInfo

Parameters:

initData - an object that may be used to initialize the instance

Returns:

an instance of the tool