Index: IndexFiles.java
===================================================================
RCS file: /home/cvspublic/jakarta-lucene/src/demo/org/apache/lucene/demo/IndexFiles.java,v
retrieving revision 1.1
diff -u -r1.1 IndexFiles.java
--- IndexFiles.java	26 Jan 2002 15:01:31 -0000	1.1
+++ IndexFiles.java	24 Jan 2004 18:04:05 -0000
@@ -3,7 +3,7 @@
 /* ====================================================================
  * The Apache Software License, Version 1.1
  *
- * Copyright (c) 2001 The Apache Software Foundation.  All rights
+ * Copyright (c) 2001,2004 The Apache Software Foundation.  All rights
  * reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -54,43 +54,58 @@
  * <http://www.apache.org/>.
  */
 
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.util.Date;
+
 import org.apache.lucene.analysis.standard.StandardAnalyzer;
 import org.apache.lucene.index.IndexWriter;
 
-import java.io.File;
-import java.util.Date;
+/*
+ * Index all files found in a directory and all its sub-directories
+ * 
+ */
+public class IndexFiles {
+
+	public static void main(String[] args) throws IOException {
+		Date start = new Date();
 
-class IndexFiles {
-  public static void main(String[] args) {
-    try {
-      Date start = new Date();
-
-      IndexWriter writer = new IndexWriter("index", new StandardAnalyzer(), true);
-      indexDocs(writer, new File(args[0]));
-
-      writer.optimize();
-      writer.close();
-
-      Date end = new Date();
-
-      System.out.print(end.getTime() - start.getTime());
-      System.out.println(" total milliseconds");
-
-    } catch (Exception e) {
-      System.out.println(" caught a " + e.getClass() +
-			 "\n with message: " + e.getMessage());
-    }
-  }
-
-  public static void indexDocs(IndexWriter writer, File file)
-       throws Exception {
-    if (file.isDirectory()) {
-      String[] files = file.list();
-      for (int i = 0; i < files.length; i++)
-	indexDocs(writer, new File(file, files[i]));
-    } else {
-      System.out.println("adding " + file);
-      writer.addDocument(FileDocument.Document(file));
-    }
-  }
-}
+		IndexWriter writer =
+			new IndexWriter("index", new StandardAnalyzer(), true);
+		indexDocs(writer, new File(args[0]));
+
+		writer.optimize();
+		writer.close();
+
+		Date end = new Date();
+
+		System.out.print(end.getTime() - start.getTime());
+		System.out.println(" total milliseconds");
+	}
+
+	private static void indexDocs(IndexWriter writer, File file)
+		throws IOException {
+		//do not try to index files that cannot be read
+		if (file.canRead()) {
+			if (file.isDirectory()) {
+				String[] files = file.list();
+				//an IO error could occur
+				if (files != null) {
+					for (int i = 0; i < files.length; i++)
+						indexDocs(writer, new File(file, files[i]));
+				}
+			} else {
+				System.out.println("adding " + file);
+				try {
+					writer.addDocument(FileDocument.Document(file));
+				}
+				// at least on windows, some temporary files raise this exception with an "access denied" message
+				// checking if the file can be read doesn't help
+				catch (FileNotFoundException fnfe) {
+					;
+				}
+			}
+		}
+	}
+}
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