javax.portlet.filter.FilterChain Maven / Gradle / Ivy
/* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/*
* NOTE: this source code is based on an early draft version of JSR 286 and not intended for product
* implementations. This file may change or vanish in the final version of the JSR 286 specification.
*/
/*
* This source code implements specifications defined by the Java
* Community Process. In order to remain compliant with the specification
* DO NOT add / change / or delete method signatures!
*/
/*
* Copyright 2006 IBM Corporation.
*
*/
package javax.portlet.filter;
import java.io.IOException;
import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.EventRequest;
import javax.portlet.EventResponse;
import javax.portlet.PortletException;
import javax.portlet.RenderRequest;
import javax.portlet.RenderResponse;
import javax.portlet.ResourceRequest;
import javax.portlet.ResourceResponse;
/**
* A FilterChain
is an object provided by the portlet container
* to the developer giving a view into the invocation chain of a
* filtered request for a portlet. Filters use the FilterChain
* to invoke the next filter in the chain, or if the calling filter is the
* last filter in the chain, to invoke the portlet at the end of the chain.
*
* @since 2.0
*/
public interface FilterChain {
/**
* Causes the next filter in the chain to be invoked,
* or if the calling filter is the last filter in the chain,
* causes the portlet at the end of the chain to be invoked.
*
* @param request the current action request.
* @param response the current action response
*
* @throws IOException if an IO error occurred in the filter processing
* @throws PortletException if a portlet exception occurred in the filter processing
*/
public void doFilter(ActionRequest request, ActionResponse response)
throws IOException, PortletException;
/**
* Causes the next filter in the chain to be invoked,
* or if the calling filter is the last filter in the chain,
* causes the portlet at the end of the chain to be invoked.
*
* @param request the current event request.
* @param response the current event response.
*
* @throws IOException if an IO error occured in the filter processing
* @throws PortletException if a portlet exception occured in the filter processing
*/
public void doFilter(EventRequest request, EventResponse response)
throws IOException, PortletException;
/**
* Causes the next filter in the chain to be invoked,
* or if the calling filter is the last filter in the chain,
* causes the portlet at the end of the chain to be invoked.
*
* @param request the current render request.
*
* @param response the current render response.
*
* @throws IOException if an IO error occurred in the filter processing
* @throws PortletException if a portlet exception occurred in the filter processing
*/
public void doFilter(RenderRequest request, RenderResponse response)
throws IOException, PortletException;
/**
* Causes the next filter in the chain to be invoked,
* or if the calling filter is the last filter in the chain,
* causes the portlet at the end of the chain to be invoked.
*
* @param request the current resource request.
* @param response the current resource response.
*
* @throws IOException if an IO error occurred in the filter processing
* @throws PortletException if a portlet exception occurred in the filter processing
*/
public void doFilter(ResourceRequest request, ResourceResponse response)
throws IOException, PortletException;
}