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1   /**
2    * This file Copyright (c) 2003-2017 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.mapping;
35  
36  import info.magnolia.cms.util.SimpleUrlPattern;
37  import info.magnolia.cms.util.UrlPattern;
38  import info.magnolia.virtualuri.VirtualUriMapping;
39  
40  import java.net.URI;
41  import java.util.Optional;
42  
43  import org.apache.commons.lang3.StringUtils;
44  
45  /**
46   * A simple implementation of VirtualUriMapping based on {@link UrlPattern}.
47   */
48  public class DefaultVirtualUriMapping implements VirtualUriMapping {
49  
50      private String fromUri;
51      private String toUri;
52      private UrlPattern pattern;
53  
54      @Override
55      public Optional<Result> mapUri(URI uri) {
56  
57          if (pattern != null && pattern.match(uri.getPath())) {
58              Result result = new Result(toUri, pattern.getLength(), this);
59              return Optional.of(result);
60          }
61  
62          return Optional.empty();
63      }
64  
65      @Override
66      public boolean isValid() {
67          return StringUtils.isNotEmpty(fromUri) && StringUtils.isNotEmpty(toUri);
68      }
69  
70      public String getFromUri() {
71          return this.fromUri;
72      }
73  
74      public void setFromUri(String fromUri) {
75          setInternalFromUri(fromUri);
76  
77          if (StringUtils.isNotEmpty(fromUri)) {
78              this.pattern = new SimpleUrlPattern(fromUri);
79          }
80      }
81  
82      protected void setInternalFromUri(String fromUri) {
83          this.fromUri = fromUri;
84      }
85  
86      public String getToUri() {
87          return this.toUri;
88      }
89  
90      public void setToUri(String toUri) {
91          this.toUri = toUri;
92      }
93  
94      public UrlPattern getPattern() {
95          return pattern;
96      }
97  
98      @Override
99      public String toString() {
100         return this.getClass().getSimpleName() + "[" + fromUri + " --> " + toUri + "]";
101     }
102 }