Version 4, January 2008

[GpsPrune.git] / tim / prune / load / FileCacher.java

diff --git a/tim/prune/load/FileCacher.java b/tim/prune/load/FileCacher.java
index 733754bd83c0d98cdab258020907f89f98017430..63c8b24eacfd5a4d9354e35f48a99f6794d9a8a4 100644 (file)
--- a/tim/prune/load/FileCacher.java
+++ b/tim/prune/load/FileCacher.java
@@ -77,7 +77,8 @@ public class FileCacher
 
        /**
         * Get the top section of the file for preview
-        * @param inSize number of lines to extract
+        * @param inNumRows number of lines to extract
+        * @param inMaxWidth max length of Strings (longer ones will be chopped)
         * @return String array containing non-blank lines from the file
         */
        public String[] getSnippet(int inNumRows, int inMaxWidth)
@@ -96,10 +97,15 @@ public class FileCacher
                {
                        for (int i=0; i<size; i++)
                        {
-                               if (result[i].length() > inMaxWidth)
-                                       result[i] = result[i].trim();
-                               if (result[i].length() > inMaxWidth)
-                                       result[i] = result[i].substring(0, inMaxWidth);
+                               if (result[i] == null)
+                                       result[i] = "";
+                               else
+                               {
+                                       if (result[i].length() > inMaxWidth)
+                                               result[i] = result[i].trim();
+                                       if (result[i].length() > inMaxWidth)
+                                               result[i] = result[i].substring(0, inMaxWidth);
+                               }
                        }
                }
                return result;