org.springframework.web.portlet.handler.HandlerInterceptorAdapter Maven / Gradle / Ivy
/*
* Copyright 2002-2005 the original author or authors.
*
* Licensed 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.
*/
package org.springframework.web.portlet.handler;
import java.io.IOException;
import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.RenderRequest;
import javax.portlet.RenderResponse;
import javax.portlet.PortletRequest;
import javax.portlet.PortletResponse;
import javax.portlet.PortletException;
import org.springframework.web.portlet.HandlerInterceptor;
import org.springframework.web.portlet.ModelAndView;
/**
* Abstract adapter class for the HandlerInterceptor interface,
* for simplified implementation of pre-only/post-only interceptors.
*
* @author Juergen Hoeller
* @author John A. Lewis
* @since 2.0
*/
public abstract class HandlerInterceptorAdapter implements HandlerInterceptor {
/**
* This implementation delegates to preHandle.
* @see #preHandle
*/
public boolean preHandleAction(ActionRequest request, ActionResponse response, Object handler) throws Exception {
return preHandle(request, response, handler);
}
/**
* This implementation delegates to afterCompletion.
* @see #afterCompletion
*/
public void afterActionCompletion(
ActionRequest request, ActionResponse response, Object handler, Exception ex) throws Exception {
afterCompletion(request, response, handler, ex);
}
/**
* This implementation delegates to preHandle.
* @see #preHandle
*/
public boolean preHandleRender(RenderRequest request, RenderResponse response, Object handler) throws Exception {
return preHandle(request, response, handler);
}
/**
* This implementation is empty.
*/
public void postHandleRender(
RenderRequest request, RenderResponse response, Object handler, ModelAndView modelAndView) throws Exception {
}
/**
* This implementation delegates to afterCompletion.
* @see #afterCompletion
*/
public void afterRenderCompletion(
RenderRequest request, RenderResponse response, Object handler, Exception ex) throws Exception {
afterCompletion(request, response, handler, ex);
}
/**
* Default callback that both preHandleRender
* and preHandleAction delegate to.
* This implementation always returns true.
* @see #preHandleRender
* @see #preHandleAction
*/
protected boolean preHandle(PortletRequest request, PortletResponse response, Object handler)
throws Exception {
return true;
}
/**
* Default callback that both preHandleRender
* and preHandleAction delegate to.
*
This implementation is empty.
* @see #afterRenderCompletion
* @see #afterActionCompletion
*/
protected void afterCompletion(
PortletRequest request, PortletResponse response, Object handler, Exception ex) throws Exception {
}
}