org.omnifaces.facesviews.FacesViewsResolver Maven / Gradle / Ivy
/*
* Copyright 2012 OmniFaces.
*
* 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.omnifaces.facesviews;
import static org.omnifaces.facesviews.FacesViews.getMappedPath;
import static org.omnifaces.facesviews.FacesViews.scanAndStoreViews;
import static org.omnifaces.util.Faces.getServletContext;
import static org.omnifaces.util.Faces.isDevelopment;
import java.net.URL;
import javax.faces.view.facelets.ResourceResolver;
/**
* Facelets resource resolver that resolves mapped resources (views) to the folders from which
* those views were scanned (like the the special auto-scanned faces-views folder).
*
* For a guide on FacesViews, please see the package summary.
*
* @author Arjan Tijms
*
*/
public class FacesViewsResolver extends ResourceResolver {
private final ResourceResolver resourceResolver;
public FacesViewsResolver(ResourceResolver resourceResolver) {
this.resourceResolver = resourceResolver;
}
@Override
public URL resolveUrl(String path) {
URL resource = resourceResolver.resolveUrl(getMappedPath(path));
if (resource == null && isDevelopment()) {
// If "resource" is null it means it wasn't found. Check if the resource was dynamically added by
// scanning the faces-views location(s) again.
scanAndStoreViews(getServletContext());
resource = resourceResolver.resolveUrl(getMappedPath(path));
}
return resource;
}
}