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1   /**
2    * This file Copyright (c) 2015-2017 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.cache.browser.app;
35  
36  import info.magnolia.cache.browser.rest.client.CacheService;
37  import info.magnolia.module.cache.cachekey.CacheKey;
38  import info.magnolia.ui.vaadin.integration.jcr.DefaultProperty;
39  
40  import java.lang.reflect.InvocationTargetException;
41  import java.util.Collection;
42  import java.util.Collections;
43  import java.util.HashMap;
44  import java.util.Map;
45  
46  import org.apache.commons.beanutils.BeanUtils;
47  import org.apache.commons.lang3.StringUtils;
48  
49  import com.vaadin.v7.data.Item;
50  import com.vaadin.v7.data.Property;
51  
52  /**
53   * Vaadin {@link Item} extension for {@link CacheKey}.
54   */
55  public class CacheKeyItem implements Item {
56  
57      public static final String PROPERTY_LOCATION = "locations";
58      public static final String PROPERTY_CACHE_NAME = "cacheName";
59      public static final String PROPERTY_EXTENSION = "extension";
60  
61      private CacheKey cacheKey;
62  
63      private Map<String, CacheService> cacheServices = new HashMap<>();
64  
65      private String cacheName;
66  
67      public CacheKeyItem(String cacheName, CacheKey cacheKey) {
68          this.cacheName = cacheName;
69          this.cacheKey = cacheKey;
70      }
71  
72      @Override
73      public Property<?> getItemProperty(Object id) {
74          if (PROPERTY_LOCATION.equals(id)) {
75              return new DefaultProperty<>(StringUtils.join(cacheServices.keySet(), ", "));
76          } else if (PROPERTY_CACHE_NAME.equals(id)) {
77              return new DefaultProperty<>(cacheName);
78          } else if (PROPERTY_EXTENSION.equals(id)) {
79              String uri;
80              try {
81                  uri = BeanUtils.getProperty(cacheKey, "uri");
82                  String extension = StringUtils.substringAfterLast(uri, ".");
83                  return new DefaultProperty<>(extension);
84              } catch (IllegalAccessException | NoSuchMethodException | InvocationTargetException e) {
85                  // ignore
86              }
87          } else {
88              try {
89                  String str = BeanUtils.getProperty(cacheKey, id.toString());
90                  if (StringUtils.isBlank(str)) {
91                      return null;
92                  }
93                  return new DefaultProperty<>(BeanUtils.getProperty(cacheKey, id.toString()));
94              } catch (IllegalAccessException | InvocationTargetException | NoSuchMethodException e) {
95                  // ignore
96              }
97          }
98          return null;
99      }
100 
101     @Override
102     public Collection<?> getItemPropertyIds() {
103         return Collections.emptyList();
104     }
105 
106     @Override
107     public boolean addItemProperty(Object id, Property property) throws UnsupportedOperationException {
108         throw new UnsupportedOperationException();
109     }
110 
111     @Override
112     public boolean removeItemProperty(Object id) throws UnsupportedOperationException {
113         throw new UnsupportedOperationException();
114     }
115 
116     public void addCacheService(String name, CacheService cacheService) {
117         cacheServices.put(name, cacheService);
118     }
119 
120     public CacheKey getItemId() {
121         return cacheKey;
122     }
123 
124     public Map<String, CacheService> getCacheServices() {
125         return cacheServices;
126     }
127 
128     public String getCacheName() {
129         return cacheName;
130     }
131 
132     @Override
133     public boolean equals(Object obj) {
134         if (obj == null) {
135             return false;
136         }
137         if (!(obj instanceof CacheKeyItem)) {
138             return false;
139         }
140         if (!cacheName.equals(((CacheKeyItem) obj).getCacheName())) {
141             return false;
142         }
143         return cacheKey.equals(((CacheKeyItem) obj).getItemId());
144     }
145 
146     @Override
147     public int hashCode() {
148         return cacheKey.hashCode() + cacheName.hashCode();
149     }
150 }