making search more comprehensible by associating

[mir.git] / source / mircoders / search / ImagesSearchTerm.java

diff --git a/source/mircoders/search/ImagesSearchTerm.java b/source/mircoders/search/ImagesSearchTerm.java
new file mode 100755 (executable)
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+++ b/source/mircoders/search/ImagesSearchTerm.java
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2001, 2002  The Mir-coders group
+ *
+ * This file is part of Mir.
+ *
+ * Mir is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Mir is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Mir; if not, write to the Free Software
+ * 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.
+ */
+
+package mircoders.search;
+
+import java.util.*;
+
+import javax.servlet.*;
+import javax.servlet.http.*;
+
+import mir.entity.*;
+import mir.storage.*;
+import mircoders.entity.*;
+import mircoders.storage.*;
+
+import org.apache.lucene.index.*;
+import org.apache.lucene.document.Document;
+import org.apache.lucene.document.Field;
+
+import freemarker.template.*;
+
+
+public class ImagesSearchTerm extends SearchTerm{
+  
+  
+  public static String matchField       = "hasImages"; 
+  public static String paramName        = "search_hasImages"; 
+  public static String dataField        = "images"; 
+  public static String templateVariable = "images";
+
+  public void index(Document doc, Entity entity) throws StorageObjectException{
+    EntityList images = DatabaseContentToMedia.getInstance().getImages((EntityContent) entity);
+    if (images != null && images.size()>0){
+      doc.add(Field.Keyword(matchField,"y"));
+      String imageURLString = "";
+      for(int k=0;k<images.size();k++){
+       if (k != 0){
+         imageURLString = imageURLString + ":";
+       }
+       imageURLString = imageURLString + (images.elementAt(k)).getValue("icon_path");
+      }
+      doc.add(Field.UnIndexed("images",imageURLString));
+    }
+
+
+  }
+
+  public String makeTerm(HttpServletRequest req){
+    String wanted = req.getParameter(paramName);
+    if (wanted == "y"){
+      return matchField + ":" + "\"" + wanted + "\"";
+    }
+    else {
+      return null;
+    }
+  }
+ 
+  public void returnMeta(SimpleHash result,Document doc){
+    String imageURLString=doc.get(dataField);
+    if (imageURLString != null){
+      SimpleList theImages = new SimpleList();
+      StringTokenizer st = new StringTokenizer(imageURLString,":");
+      while (st.hasMoreTokens()) {
+       String imageURL=st.nextToken();
+       theImages.add(new SimpleScalar(imageURL));
+      }
+      result.put(templateVariable,theImages);
+    }
+  }
+  
+
+}
+
+