org.apache.cayenne.configuration.web
Class CayenneFilter

java.lang.Object
  extended by org.apache.cayenne.configuration.web.CayenneFilter
All Implemented Interfaces:
javax.servlet.Filter
Direct Known Subclasses:
WebApplicationContextFilter

public class CayenneFilter
extends java.lang.Object
implements javax.servlet.Filter

A filter that creates a Cayenne server runtime, possibly including custom modules. By default runtime includes ServerModule and WebModule. Any custom modules are loaded after the two standard ones to allow custom service overrides. Filter initialization parameters:

CayenneFilter is a great utility to quickly start a Cayenne application. More advanced apps most likely will not use it, relying on their own configuration mechanism (such as Guice, Spring, etc.)

Since:
3.1

Field Summary
protected  javax.servlet.ServletContext servletContext
           
 
Constructor Summary
CayenneFilter()
           
 
Method Summary
protected  void checkAlreadyConfigured(javax.servlet.ServletContext context)
           
 void destroy()
           
 void doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, javax.servlet.FilterChain chain)
           
 void init(javax.servlet.FilterConfig config)
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

servletContext

protected javax.servlet.ServletContext servletContext
Constructor Detail

CayenneFilter

public CayenneFilter()
Method Detail

init

public void init(javax.servlet.FilterConfig config)
          throws javax.servlet.ServletException
Specified by:
init in interface javax.servlet.Filter
Throws:
javax.servlet.ServletException

checkAlreadyConfigured

protected void checkAlreadyConfigured(javax.servlet.ServletContext context)
                               throws javax.servlet.ServletException
Throws:
javax.servlet.ServletException

destroy

public void destroy()
Specified by:
destroy in interface javax.servlet.Filter

doFilter

public void doFilter(javax.servlet.ServletRequest request,
                     javax.servlet.ServletResponse response,
                     javax.servlet.FilterChain chain)
              throws java.io.IOException,
                     javax.servlet.ServletException
Specified by:
doFilter in interface javax.servlet.Filter
Throws:
java.io.IOException
javax.servlet.ServletException


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