org.springframework.faces.richfaces.RichFacesAjaxHandler Maven / Gradle / Ivy
/*
* Copyright 2004-2008 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.faces.richfaces;
import java.io.IOException;
import javax.faces.context.FacesContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.ajax4jsf.context.AjaxContext;
import org.springframework.faces.webflow.FacesContextHelper;
import org.springframework.js.ajax.AbstractAjaxHandler;
import org.springframework.js.ajax.AjaxHandler;
/**
* Ajax handler that works with Rich Faces, allowing support for Web Flow Ajax features with the Rich Faces toolkit.
*
* @see AbstractAjaxHandler
*
* @author Jeremy Grelle
*/
public class RichFacesAjaxHandler extends AbstractAjaxHandler implements AjaxHandler {
/**
* Create a RichFacesAjaxHandler that is not part of a chain of AjaxHandler's.
*/
public RichFacesAjaxHandler() {
this(null);
}
/**
* Create a RichFacesAjaxHandler as part of a chain of AjaxHandler's.
*/
public RichFacesAjaxHandler(AbstractAjaxHandler delegate) {
super(delegate);
}
protected boolean isAjaxRequestInternal(HttpServletRequest request, HttpServletResponse response) {
FacesContextHelper helper = new FacesContextHelper();
try {
FacesContext facesContext = helper.getFacesContext(getServletContext(), request, response);
AjaxContext context = AjaxContext.getCurrentInstance(facesContext);
if (context != null) {
return context.isAjaxRequest(facesContext);
} else {
return false;
}
} finally {
helper.releaseIfNecessary();
}
}
protected void sendAjaxRedirectInternal(String targetUrl, HttpServletRequest request, HttpServletResponse response,
boolean popup) throws IOException {
response.sendRedirect(response.encodeRedirectURL(targetUrl));
}
}