Adding File Filters

src/main/java/com/search/lucene/Lucene.java

 package com.search.lucene;
 
 import java.io.IOException;
+
+import com.search.lucene.file.filters.TextFileFilter;
+import com.search.lucene.indexers.Indexer;
+import com.search.lucene.searchers.Searcher;
+import com.search.lucene.settings.LuceneConstants;
 import org.apache.lucene.document.Document;
 import org.apache.lucene.queryparser.classic.ParseException;
 import org.apache.lucene.search.ScoreDoc;
@@ -17,6 +22,7 @@ public class Lucene {
         try {
             createIndex();
             search("Kota");
+            search("s");
         } catch (IOException e) {
             e.printStackTrace();
         } catch (ParseException e) {

src/main/java/com/search/lucene/file/filters/CSVFileFilter.java

+package com.search.lucene.file.filters;
+
+import java.io.File;
+import java.io.FileFilter;
+
+public class CSVFileFilter implements FileFilter {
+    @Override
+    public boolean accept(File pathname) {
+        return pathname.getName().toLowerCase().endsWith(".csv");
+    }
+}
\ No newline at end of file

src/main/java/com/search/lucene/file/filters/PDFFileFilter.java

+package com.search.lucene.file.filters;
+
+import java.io.File;
+import java.io.FileFilter;
+
+public class PDFFileFilter implements FileFilter {
+
+    @Override
+    public boolean accept(File pathname) {
+        return pathname.getName().toLowerCase().endsWith(".pdf");
+    }
+}
\ No newline at end of file

src/main/java/com/search/lucene/file/filters/TextFileFilter.java

-package com.search.lucene;
+package com.search.lucene.file.filters;
 
 import java.io.File;
 import java.io.FileFilter;

src/main/java/com/search/lucene/indexers/Indexer.java

-package com.search.lucene;
+package com.search.lucene.indexers;
 
 import java.io.File;
 import java.io.FileFilter;
@@ -37,8 +37,10 @@ public class Indexer {
         Document document = new Document();
 
         TextField contentField = new TextField(LuceneConstants.CONTENTS, new FileReader(file));
+
         TextField fileNameField = new TextField(LuceneConstants.FILE_NAME,
                 file.getName(),TextField.Store.YES);
+
         TextField filePathField = new TextField(LuceneConstants.FILE_PATH,
                 file.getCanonicalPath(),TextField.Store.YES);
 

src/main/java/com/search/lucene/searchers/Searcher.java

-package com.search.lucene;
+package com.search.lucene.searchers;
 
 import java.io.IOException;
 import java.nio.file.Paths;

src/main/java/com/search/lucene/settings/LuceneConstants.java

-package com.search.lucene;
+package com.search.lucene.settings;
 
 
 public class LuceneConstants {