/*
* =============================================================================
*
* Copyright (c) 2011-2014, The THYMELEAF team (http://www.thymeleaf.org)
*
* 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.thymeleaf.spring4.view;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.webflow.execution.RequestContext;
import org.springframework.webflow.execution.RequestContextHolder;
import org.springframework.webflow.execution.View;
/**
* <p>
* Subclass of {@link AjaxThymeleafView} for Spring WebFlow,
* designed for obtaining the fragments to be rendered via
* AJAX in the way needed by Spring WebFlow.
* </p>
* <p>
* Most people will need to use this class instead of
* {@link AjaxThymeleafView} if you are using Spring WebFlow.
* </p>
*
* @author Daniel Fernández
*
* @since 2.0.11
*
*/
public class FlowAjaxThymeleafView extends AjaxThymeleafView {
public FlowAjaxThymeleafView() {
super();
}
@Override
@SuppressWarnings("rawtypes")
protected String[] getRenderFragments(
final Map model, final HttpServletRequest request, final HttpServletResponse response) {
final RequestContext context = RequestContextHolder.getRequestContext();
if (context == null) {
return super.getRenderFragments(model, request, response);
}
final String[] fragments = (String[]) context.getFlashScope().get(View.RENDER_FRAGMENTS_ATTRIBUTE);
if (fragments == null) {
return super.getRenderFragments(model, request, response);
}
return fragments;
}
}