Code cleanup: add getExtension and getName in FileUtils.java

MyTracks/src/com/google/android/apps/mytracks/io/file/importer/ImportAsyncTask.java

@@ -178,8 +178,8 @@ public class ImportAsyncTask extends AsyncTask<Void, Integer, Boolean> {
     try {
       TrackImporter trackImporter;
       if (trackFileFormat == TrackFileFormat.KML) {
-        String name = file.getName();
-        if (name.endsWith("." + TrackFileFormat.KML.getExtension())) {
+        String extension = FileUtils.getExtension(file.getName());
+        if (TrackFileFormat.KML.getExtension().equals(extension)) {
           trackImporter = new KmlFileTrackImporter(context, -1L);
         } else {         
           MyTracksProviderUtils myTracksProviderUtils = MyTracksProviderUtils.Factory.get(context);
@@ -221,15 +221,15 @@ public class ImportAsyncTask extends AsyncTask<Void, Integer, Boolean> {
       if (candidates != null) {
         for (File candidate : candidates) {
           if (!FileUtils.isDirectory(candidate)) {
-            String name = candidate.getName();
+            String extension = FileUtils.getExtension(candidate.getName());
             if (trackFileFormat == TrackFileFormat.KML && (
-                name.endsWith("." + TrackFileFormat.KML.getExtension())
-                || name.endsWith("." + KmzTrackExporter.KMZ_EXTENSION))) {
+                TrackFileFormat.KML.getExtension().equals(extension)
+                || KmzTrackExporter.KMZ_EXTENSION.equals(extension))) {
               files.add(candidate);
             } else if (trackFileFormat == TrackFileFormat.GPX
-                && name.endsWith("." + TrackFileFormat.GPX.getExtension())) {
+                && TrackFileFormat.GPX.getExtension().equals(extension)) {
               files.add(candidate);
-            } 
+            }
           }         
         }
       }

MyTracks/src/com/google/android/apps/mytracks/io/sync/SyncAdapter.java

@@ -23,6 +23,7 @@ import com.google.android.apps.mytracks.io.file.importer.KmlFileTrackImporter;
 import com.google.android.apps.mytracks.io.file.importer.KmzTrackImporter;
 import com.google.android.apps.mytracks.io.file.importer.TrackImporter;
 import com.google.android.apps.mytracks.io.sendtogoogle.SendToGoogleUtils;
+import com.google.android.apps.mytracks.util.FileUtils;
 import com.google.android.apps.mytracks.util.PreferencesUtils;
 import com.google.android.gms.auth.GoogleAuthException;
 import com.google.android.gms.auth.UserRecoverableAuthException;
@@ -491,7 +492,7 @@ public class SyncAdapter extends AbstractThreadedSyncAdapter {
       return false;
     }
     File updatedDriveFile;
-    String trackName = getTrackName(driveFile);
+    String trackName = FileUtils.getName(driveFile.getTitle());
     if (!updatedTrack.getName().equals(trackName)) {
       updatedTrack.setName(trackName);
 
@@ -568,20 +569,6 @@ public class SyncAdapter extends AbstractThreadedSyncAdapter {
     }
   }
 
-  /**
-   * Gets the track name from the drive file title.
-   * 
-   * @param driveFile the drive file
-   */
-  private String getTrackName(File driveFile) {
-    String title = driveFile.getTitle();
-    int index = title.lastIndexOf('.');
-    if (index == -1) {
-      return title;
-    }
-    return title.substring(0, index);    
-  }
-
   /**
    * Deletes a drive file.
    * 

MyTracks/src/com/google/android/apps/mytracks/io/sync/SyncUtils.java

@@ -452,7 +452,6 @@ public class SyncUtils {
   public static java.io.File getTempFile(
       Context context, MyTracksProviderUtils myTracksProviderUtils, Track track, boolean useKmz)
       throws FileNotFoundException {
-    String extension = useKmz ? KmzTrackExporter.KMZ_EXTENSION : TrackFileFormat.KML.getExtension();
     java.io.File directory = new java.io.File(context.getCacheDir(), FileUtils.TEMP_FILES_DIR);
 
     if (!FileUtils.ensureDirectoryExists(directory)) {
@@ -465,6 +464,7 @@ public class SyncUtils {
     }
 
     Track[] tracks = new Track[] { track };
+    String extension = useKmz ? KmzTrackExporter.KMZ_EXTENSION : TrackFileFormat.KML.getExtension();
     java.io.File file = new java.io.File(
         directory, FileUtils.buildUniqueFileName(directory, track.getName(), extension));
     FileTrackExporter fileTrackExporter = new FileTrackExporter(

MyTracks/src/com/google/android/apps/mytracks/util/FileUtils.java

@@ -144,6 +144,32 @@ public class FileUtils {
     return buildUniqueFileName(directory, fileBaseName, extension, 0);
   }
 
+  /**
+   * Gets the name from a file name, without the extension.
+   * 
+   * @param fileName the file name
+   */
+  public static String getName(String fileName) {
+    int index = fileName.lastIndexOf('.');
+    if (index == -1) {
+      return fileName;
+    }
+    return fileName.substring(0, index);    
+  }
+  
+  /**
+   * Gets the extension from a file name. Returns null if there is no extension.
+   * 
+   * @param fileName the file name
+   */
+  public static String getExtension(String fileName) {
+    int index = fileName.lastIndexOf('.');
+    if (index == -1) {
+      return null;
+    }
+    return fileName.substring(index + 1);
+  }  
+ 
   /**
    * Builds a filename with the given base and the given extension, possibly
    * adding a suffix to ensure the file doesn't exist.