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1   /**
2    * This file Copyright (c) 2017 Magnolia International
3    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
4    *
5    *
6    * This file is dual-licensed under both the Magnolia
7    * Network Agreement and the GNU General Public License.
8    * You may elect to use one or the other of these licenses.
9    *
10   * This file is distributed in the hope that it will be
11   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12   * implied warranty of MERCHANTABILITY or FITNESS FOR A
13   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14   * Redistribution, except as permitted by whichever of the GPL
15   * or MNA you select, is prohibited.
16   *
17   * 1. For the GPL license (GPL), you can redistribute and/or
18   * modify this file under the terms of the GNU General
19   * Public License, Version 3, as published by the Free Software
20   * Foundation.  You should have received a copy of the GNU
21   * General Public License, Version 3 along with this program;
22   * if not, write to the Free Software Foundation, Inc., 51
23   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24   *
25   * 2. For the Magnolia Network Agreement (MNA), this file
26   * and the accompanying materials are made available under the
27   * terms of the MNA which accompanies this distribution, and
28   * is available at http://www.magnolia-cms.com/mna.html
29   *
30   * Any modifications to this file must keep this entire header
31   * intact.
32   *
33   */
34  package info.magnolia.virtualuri.compatibility;
35  
36  import static java.util.stream.Collectors.toList;
37  
38  import info.magnolia.cms.beans.config.VirtualURIManager;
39  import info.magnolia.virtualuri.VirtualUriMapping;
40  import info.magnolia.virtualuri.VirtualUriRegistry;
41  
42  import java.net.URI;
43  import java.net.URISyntaxException;
44  import java.util.Collection;
45  import java.util.List;
46  import java.util.Optional;
47  
48  import javax.inject.Inject;
49  import javax.inject.Singleton;
50  import javax.jcr.Node;
51  import javax.jcr.RepositoryException;
52  
53  import org.apache.commons.lang3.StringUtils;
54  import org.slf4j.Logger;
55  import org.slf4j.LoggerFactory;
56  
57  /**
58   * Compatibility adapter for {@link VirtualURIManager#getInstance()} and other locations where the manager is injected.
59   *
60   * @deprecated since 5.5.6, VirtualURIManager has been replaced by {@link VirtualUriRegistry} for configuration (see MAGNOLIA-3349),
61   * and by {@link info.magnolia.virtualuri.VirtualUriFilter VirtualUriFilter} for evaluation.
62   */
63  @Singleton
64  @Deprecated
65  public class VirtualUriManagerAdapter extends VirtualURIManager {
66      private static final Logger log = LoggerFactory.getLogger(VirtualUriManagerAdapter.class);
67      private final VirtualUriRegistry registry;
68  
69      @Inject
70      public VirtualUriManagerAdapter(VirtualUriRegistry registry) {
71          super(null, null, null);
72          this.registry = registry;
73      }
74  
75      /**
76       * @deprecated only for backward compatibility w/ VirtualURIManager; evaluation of mappings is now performed by {@link info.magnolia.virtualuri.VirtualUriFilter} instead.
77       */
78      @Override
79      @Deprecated
80      public String getURIMapping(String uri, String queryString) {
81  
82          String targetUri = StringUtils.EMPTY;
83          final URI currentUri;
84  
85          try {
86              currentUri = new URI(null, null, uri, queryString, null);
87          } catch (URISyntaxException e) {
88              log.warn("Path cannot be parsed. {0}, {1}", uri, e.getMessage());
89              return targetUri;
90          }
91  
92          Optional<VirtualUriMapping.Result> mappingBestMatch = registry.getAllDefinitions().stream()
93                  .map(uriMapping -> uriMapping.mapUri(currentUri))
94                  .filter(Optional::isPresent)
95                  .map(Optional::get)
96                  .max(VirtualUriMapping.Result::compareTo);
97  
98          if (mappingBestMatch.isPresent()) {
99              VirtualUriMapping.Result result = mappingBestMatch.get();
100             targetUri = result.getToUri();
101         }
102 
103         return targetUri;
104     }
105 
106     @Override
107     protected void reload(List<Node> nodes) throws RepositoryException {
108         // Don't need to do anything in here.
109     }
110 
111     /**
112      * @deprecated only for backward compatibility w/ VirtualURIManager; only returns mappings of the old deprecated type (as per signature).
113      */
114     @Deprecated
115     public Collection<info.magnolia.cms.beans.config.VirtualURIMapping> getURIMappings() {
116         Collection<VirtualUriMapping> uriMappings = registry.getAllDefinitions();
117         return uriMappings.stream()
118                 .filter(mapping -> mapping instanceof VirtualUriMappingAdapter)
119                 .map(mapping -> (VirtualUriMappingAdapter) mapping)
120                 .map(VirtualUriMappingAdapter::asOldMapping)
121                 .collect(toList());
122     }
123 }