org.springframework.web.servlet.view.tiles3.TilesViewResolver Maven / Gradle / Ivy
/*
* Copyright 2002-2020 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
*
* https://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.servlet.view.tiles3;
import org.apache.tiles.request.render.Renderer;
import org.springframework.lang.Nullable;
import org.springframework.web.servlet.view.AbstractUrlBasedView;
import org.springframework.web.servlet.view.UrlBasedViewResolver;
/**
* Convenience subclass of {@link UrlBasedViewResolver} that supports
* {@link TilesView} (i.e. Tiles definitions) and custom subclasses of it.
*
* @author Nicolas Le Bas
* @author Rossen Stoyanchev
* @author Juergen Hoeller
* @author Sebastien Deleuze
* @since 3.2
*/
public class TilesViewResolver extends UrlBasedViewResolver {
@Nullable
private Renderer renderer;
@Nullable
private Boolean alwaysInclude;
/**
* This resolver requires {@link TilesView}.
*/
public TilesViewResolver() {
setViewClass(requiredViewClass());
}
/**
* Set the {@link Renderer} to use. If not specified, a default
* {@link org.apache.tiles.renderer.DefinitionRenderer} will be used.
* @see TilesView#setRenderer(Renderer)
*/
public void setRenderer(Renderer renderer) {
this.renderer = renderer;
}
/**
* Specify whether to always include the view rather than forward to it.
* Default is "false". Switch this flag on to enforce the use of a
* Servlet include, even if a forward would be possible.
* @since 4.1.2
* @see TilesView#setAlwaysInclude
*/
public void setAlwaysInclude(Boolean alwaysInclude) {
this.alwaysInclude = alwaysInclude;
}
@Override
protected Class requiredViewClass() {
return TilesView.class;
}
@Override
protected AbstractUrlBasedView instantiateView() {
return (getViewClass() == TilesView.class ? new TilesView() : super.instantiateView());
}
@Override
protected TilesView buildView(String viewName) throws Exception {
TilesView view = (TilesView) super.buildView(viewName);
if (this.renderer != null) {
view.setRenderer(this.renderer);
}
if (this.alwaysInclude != null) {
view.setAlwaysInclude(this.alwaysInclude);
}
return view;
}
}