001/*
002 * Copyright 2002-2014 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      https://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.web.servlet.view.tiles2;
018
019import java.io.IOException;
020import java.net.URL;
021import java.util.LinkedHashSet;
022import java.util.Set;
023import javax.servlet.ServletContext;
024
025import org.apache.tiles.servlet.context.ServletTilesApplicationContext;
026
027import org.springframework.core.io.Resource;
028import org.springframework.core.io.support.ResourcePatternResolver;
029import org.springframework.util.CollectionUtils;
030import org.springframework.util.ObjectUtils;
031import org.springframework.web.context.support.ServletContextResourcePatternResolver;
032
033/**
034 * Spring-specific subclass of the Tiles ServletTilesApplicationContext.
035 *
036 * <p><b>NOTE: Tiles 2 support is deprecated in favor of Tiles 3 and will be removed
037 * as of Spring Framework 5.0.</b>.
038 *
039 * @author Juergen Hoeller
040 * @since 4.0.1
041 * @deprecated as of Spring 4.2, in favor of Tiles 3
042 */
043@Deprecated
044public class SpringWildcardServletTilesApplicationContext extends ServletTilesApplicationContext {
045
046        private final ResourcePatternResolver resolver;
047
048
049        public SpringWildcardServletTilesApplicationContext(ServletContext servletContext) {
050                super(servletContext);
051                this.resolver = new ServletContextResourcePatternResolver(servletContext);
052        }
053
054
055        @Override
056        public URL getResource(String path) throws IOException {
057                Set<URL> urlSet = getResources(path);
058                if (!CollectionUtils.isEmpty(urlSet)) {
059                        return urlSet.iterator().next();
060                }
061                return null;
062        }
063
064        @Override
065        public Set<URL> getResources(String path) throws IOException {
066                Set<URL> urlSet = null;
067                Resource[] resources = this.resolver.getResources(path);
068                if (!ObjectUtils.isEmpty(resources)) {
069                        urlSet = new LinkedHashSet<URL>(resources.length);
070                        for (Resource resource : resources) {
071                                urlSet.add(resource.getURL());
072                        }
073                }
074                return urlSet;
075        }
076
077}