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1
17 package org.alfresco.repo.search;
18
19 import java.io.IOException  ;
20 import java.io.InputStream ;
21 import java.util.HashMap ;
22 import java.util.List ;
23 import java.util.Map ;
24
25 import org.alfresco.error.AlfrescoRuntimeException;
26 import org.alfresco.service.cmr.dictionary.DictionaryService;
27 import org.alfresco.service.cmr.search.QueryParameterDefinition;
28 import org.alfresco.service.namespace.NamespacePrefixResolver;
29 import org.alfresco.service.namespace.QName;
30 import org.dom4j.Document;
31 import org.dom4j.DocumentException;
32 import org.dom4j.io.SAXReader;
33
34 public class QueryRegisterComponentImpl implements QueryRegisterComponent
35 {
36 private DictionaryService dictionaryService;
37
38 private NamespacePrefixResolver namespaceService;
39
40 private List <String > initCollections = null;
41
42 private Map <String , QueryCollection> collections = new HashMap <String , QueryCollection>();
43
44 public QueryRegisterComponentImpl()
45 {
46 super();
47 }
48
49 private synchronized void loadCollectionsOnDemand()
50 {
51 if(initCollections != null)
52 {
53 for(String location: initCollections)
54 {
55 loadQueryCollection(location);
56 }
57 }
58 initCollections = null;
59 }
60
61 public CannedQueryDef getQueryDefinition(QName qName)
62 {
63 loadCollectionsOnDemand();
64 for(String key: collections.keySet())
65 {
66 QueryCollection collection = collections.get(key);
67 CannedQueryDef def = collection.getQueryDefinition(qName);
68 if(def != null)
69 {
70 return def;
71 }
72 }
73 return null;
74 }
75
76 public String getCollectionNameforQueryDefinition(QName qName)
77 {
78 loadCollectionsOnDemand();
79 for(String key: collections.keySet())
80 {
81 QueryCollection collection = collections.get(key);
82 if(collection.containsQueryDefinition(qName))
83 {
84 return key;
85 }
86 }
87 return null;
88 }
89
90 public QueryParameterDefinition getParameterDefinition(QName qName)
91 {
92 loadCollectionsOnDemand();
93 for(String key: collections.keySet())
94 {
95 QueryCollection collection = collections.get(key);
96 QueryParameterDefinition def = collection.getParameterDefinition(qName);
97 if(def != null)
98 {
99 return def;
100 }
101 }
102 return null;
103 }
104
105 public String getCollectionNameforParameterDefinition(QName qName)
106 {
107 loadCollectionsOnDemand();
108 for(String key: collections.keySet())
109 {
110 QueryCollection collection = collections.get(key);
111 if(collection.containsParameterDefinition(qName))
112 {
113 return key;
114 }
115 }
116 return null;
117 }
118
119 public QueryCollection getQueryCollection(String location)
120 {
121 loadCollectionsOnDemand();
122 return collections.get(location);
123 }
124
125 public void loadQueryCollection(String location)
126 {
127 try
128 {
129 InputStream is = this.getClass().getClassLoader().getResourceAsStream(location);
130 SAXReader reader = new SAXReader();
131 Document document = reader.read(is);
132 is.close();
133 QueryCollection collection = QueryCollectionImpl.createQueryCollection(document.getRootElement(), dictionaryService, namespaceService);
134 collections.put(location, collection);
135 }
136 catch (DocumentException de)
137 {
138 throw new AlfrescoRuntimeException("Error reading XML", de);
139 }
140 catch (IOException e)
141 {
142 throw new AlfrescoRuntimeException("IO Error reading XML", e);
143 }
144 }
145
146 public void setCollections(List <String > collections)
147 {
148 this.initCollections = collections;
149 }
150
151 public void setDictionaryService(DictionaryService dictionaryService)
152 {
153 this.dictionaryService = dictionaryService;
154 }
155
156 public void setNamespaceService(NamespacePrefixResolver namespaceService)
157 {
158 this.namespaceService = namespaceService;
159 }
160 }
161 |
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