jet.servlet.action
Class JetInjector

java.lang.Object
  jet.servlet.action.JetInjector

Direct Known Subclasses:

JetInjectorImpl

public abstract class JetInjector
extends java.lang.Object

Injector which get initialized at startup. Via getObject() provides an object instance for the given key

Author:

mmeiste

Field Summary

private java.util.ArrayList<java.lang.Class>	instances
protected JetServlet	servlet

Constructor Summary

JetInjector()

Method Summary

abstract java.lang.Object	getInstance(JetContext context, java.lang.Class clazz)
java.util.ArrayList<java.lang.Class>	getInstances()
abstract java.lang.String	getServletContextKey()
abstract void	init(javax.servlet.ServletContext context)
void	initialize(JetServlet servlet)
boolean	provides(java.lang.Class c)
abstract void	pushBack(java.lang.Object o)
void	setInstances(java.util.ArrayList<java.lang.Class> instances)

Methods inherited from class java.lang.Object

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

Field Detail

servlet

protected JetServlet servlet

instances

private java.util.ArrayList<java.lang.Class> instances

Constructor Detail

JetInjector

public JetInjector()

Method Detail

init

public abstract void init(javax.servlet.ServletContext context)
                   throws javax.servlet.ServletException

Throws:

javax.servlet.ServletException

getInstance

public abstract java.lang.Object getInstance(JetContext context,
                                             java.lang.Class clazz)
                                      throws java.lang.InstantiationException

Throws:

java.lang.InstantiationException

pushBack

public abstract void pushBack(java.lang.Object o)

getServletContextKey

public abstract java.lang.String getServletContextKey()

initialize

public void initialize(JetServlet servlet)
                throws javax.servlet.ServletException

Throws:

javax.servlet.ServletException

provides

public boolean provides(java.lang.Class c)

getInstances

public java.util.ArrayList<java.lang.Class> getInstances()

Returns:

the instances

setInstances

public void setInstances(java.util.ArrayList<java.lang.Class> instances)

Parameters:

instances - the instances to set