/*
- * Copyright (C) 2001, 2002 The Mir-coders group
+ * Copyright (C) 2001, 2002 The Mir-coders group
*
* This file is part of Mir.
*
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* In addition, as a special exception, The Mir-coders gives permission to link
- * the code of this program with the com.oreilly.servlet library, any library
- * licensed under the Apache Software License, The Sun (tm) Java Advanced
- * Imaging library (JAI), The Sun JIMI library (or with modified versions of
- * the above that use the same license as the above), and distribute linked
- * combinations including the two. You must obey the GNU General Public
- * License in all respects for all of the code used other than the above
- * mentioned libraries. If you modify this file, you may extend this exception
- * to your version of the file, but you are not obligated to do so. If you do
- * not wish to do so, delete this exception statement from your version.
+ * the code of this program with any library licensed under the Apache Software License,
+ * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
+ * (or with modified versions of the above that use the same license as the above),
+ * and distribute linked combinations including the two. You must obey the
+ * GNU General Public License in all respects for all of the code used other than
+ * the above mentioned libraries. If you modify this file, you may extend this
+ * exception to your version of the file, but you are not obligated to do so.
+ * If you do not wish to do so, delete this exception statement from your version.
*/
-
package mircoders.search;
-import java.util.*;
+import java.util.Map;
-import javax.servlet.*;
-import javax.servlet.http.*;
+import javax.servlet.http.HttpServletRequest;
-import mir.entity.*;
-import mir.storage.*;
-import mircoders.entity.*;
-import mircoders.storage.*;
+import mir.entity.Entity;
+import mir.entity.EntityList;
+import mir.storage.DatabaseFailure;
+import mircoders.entity.EntityContent;
+import mircoders.storage.DatabaseContentToTopics;
-import org.apache.lucene.index.*;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
-import freemarker.template.*;
-
-
+/**
+ * used by indexing and querying
+ * documents based on Topic
+ */
public class TopicSearchTerm extends SearchTerm{
-
-
- public static String matchField = "topic";
- public static String paramName = "search_topic";
+ public TopicSearchTerm() {
+ super(null, "search_topic", "topic", null, null);
+ }
- public void index(Document doc, Entity entity) throws StorageObjectException{
+ public void index(Document doc, Entity entity) throws DatabaseFailure{
EntityList topics = DatabaseContentToTopics.getInstance().getTopics((EntityContent) entity);
if (topics != null && topics.size()>0){
for(int k=0;k<topics.size();k++){
- doc.add(Field.UnStored(matchField,(topics.elementAt(k)).getValue("title")));
+ doc.add(Field.UnStored(matchField,(topics.elementAt(k)).getFieldValue("title")));
}
}
}
public String makeTerm(HttpServletRequest req){
String wanted = req.getParameter(paramName);
- if (wanted != null && wanted != ""){
+ if (wanted != null && !(wanted.equals(""))){
return matchField + ":" + "\"" + wanted + "\"";
}
- else {
- return null;
- }
+ return null;
}
-
- public void returnMeta(SimpleHash result,Document doc){
+
+ public void returnMeta(Map result,Document doc){
return;
}
-
+
}