fixing scaling images -> nullpointer, patch by yossarian

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

diff --git a/source/mircoders/search/IndexUtil.java b/source/mircoders/search/IndexUtil.java
index 3389ebd..2716aa2 100755 (executable)
--- a/source/mircoders/search/IndexUtil.java
+++ b/source/mircoders/search/IndexUtil.java
@@ -1,4 +1,5 @@
-/* Copyright (C) 2001, 2002  The Mir-coders group
+/*
+ * Copyright (C) 2001, 2002 The Mir-coders group
  *
  * This file is part of Mir.
  *
@@ -17,45 +18,66 @@
  * 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.io.*;
-import mircoders.entity.*;
-import org.apache.lucene.index.*;
-import org.apache.lucene.store.FSDirectory;
+import java.io.File;
+import java.io.IOException;
+
+import mircoders.entity.EntityContent;
 
+import org.apache.lucene.index.IndexReader;
+import org.apache.lucene.index.Term;
+import org.apache.lucene.store.FSDirectory;
 
+/**
+ * Some utility functions for article (un)indexing
+ */
 public class IndexUtil {
-  public static void unindexEntity (EntityContent entity,String index) throws IOException{
+  /**
+   * Unindexes an article
+   */
+  public static void unindexEntity (EntityContent anEntity, String anIndex) throws IOException{
+    unindexEntity(anEntity, new File(anIndex));
+  }
+
+  /**
+   * Unindexes an article
+   */
+  public static void unindexEntity (EntityContent anEntity, File anIndex) throws IOException{
+    unindexID(anEntity.getId(), anIndex);
+  }
+
+  /**
+   * Unindexes an article by article id
+   */
+  public static void unindexID (String id,File index) throws IOException{
     IndexReader indexReader = null;
     try{
       indexReader = IndexReader.open(index);
-      indexReader.delete(new Term("id",entity.getValue("id")));
+      indexReader.delete(new Term("id",id));
       indexReader.close();
     }
     catch(Exception e){
       if (indexReader != null){
-       indexReader.close();
+        indexReader.close();
       }
     }
-    finally { 
+    finally {
       if (indexReader != null){
-       FSDirectory theIndexDir=FSDirectory.getDirectory(index,false);
-       if (IndexReader.isLocked(theIndexDir)){
-         IndexReader.unlock(theIndexDir);
-       }
+        FSDirectory theIndexDir=FSDirectory.getDirectory(index,false);
+        if (IndexReader.isLocked(theIndexDir)){
+          IndexReader.unlock(theIndexDir);
+        }
       }
     }
   }