merge heads

MyTracks/src/com/google/android/apps/mytracks/ImportActivity.java

@@ -72,7 +72,7 @@ public class ImportActivity extends Activity {
     Intent intent = getIntent();
     importAll = intent.getBooleanExtra(EXTRA_IMPORT_ALL, false);
     if (importAll) {
-      path = new FileUtils().buildExternalDirectoryPath("gpx");
+      path = FileUtils.buildExternalDirectoryPath("gpx");
     } else {
       String action = intent.getAction();
       if (!(Intent.ACTION_ATTACH_DATA.equals(action) || Intent.ACTION_VIEW.equals(action))) {

MyTracks/src/com/google/android/apps/mytracks/ImportAsyncTask.java

@@ -121,8 +121,7 @@ public class ImportAsyncTask extends AsyncTask<Void, Integer, Boolean> {
   @Override
   protected Boolean doInBackground(Void... params) {
     try {
-      FileUtils fileUtils = new FileUtils();
-      if (!fileUtils.isSdCardAvailable()) {
+      if (!FileUtils.isSdCardAvailable()) {
         return false;
       }
 

MyTracks/src/com/google/android/apps/mytracks/io/backup/BackupAsyncTask.java

@@ -53,7 +53,7 @@ public class BackupAsyncTask extends AsyncTask<Void, Integer, Boolean> {
    */
   public BackupAsyncTask(BackupActivity backupActivity) {
     this.backupActivity = backupActivity;
-    this.externalFileBackup = new ExternalFileBackup(backupActivity, new FileUtils());
+    this.externalFileBackup = new ExternalFileBackup(backupActivity);
     success = false;
     completed = false;
     messageId = R.string.sd_card_error_write_file;
@@ -80,9 +80,7 @@ public class BackupAsyncTask extends AsyncTask<Void, Integer, Boolean> {
 
   @Override
   protected Boolean doInBackground(Void... params) {
-    FileUtils fileUtils = new FileUtils();
-
-    if (!fileUtils.isSdCardAvailable()) {
+    if (!FileUtils.isSdCardAvailable()) {
       messageId = R.string.sd_card_error_no_storage;
       return false;
     }

MyTracks/src/com/google/android/apps/mytracks/io/backup/ExternalFileBackup.java

@@ -65,11 +65,9 @@ class ExternalFileBackup {
   private static final int COMPRESSION_LEVEL = 8;
 
   private final Context context;
-  private final FileUtils fileUtils;
 
-  public ExternalFileBackup(Context context, FileUtils fileUtils) {
+  public ExternalFileBackup(Context context) {
     this.context = context;
-    this.fileUtils = fileUtils;
   }
 
   /**
@@ -87,12 +85,12 @@ class ExternalFileBackup {
    * @param create whether to try creating the directory if it doesn't exist
    */
   private File getBackupsDirectory(boolean create) {
-    String dirName = fileUtils.buildExternalDirectoryPath(BACKUPS_SUBDIR);
+    String dirName = FileUtils.buildExternalDirectoryPath(BACKUPS_SUBDIR);
     final File dir = new File(dirName);
     Log.d(Constants.TAG, "Dir: " + dir.getAbsolutePath());
     if (create) {
       // Try to create - if that fails, return null
-      return fileUtils.ensureDirectoryExists(dir) ? dir : null;
+      return FileUtils.ensureDirectoryExists(dir) ? dir : null;
     } else {
       // Return it if it already exists, otherwise return null
       return dir.isDirectory() ? dir : null;

MyTracks/src/com/google/android/apps/mytracks/io/backup/RestoreAsyncTask.java

@@ -16,7 +16,6 @@
 
 package com.google.android.apps.mytracks.io.backup;
 
-import com.google.android.apps.mytracks.util.FileUtils;
 import com.google.android.maps.mytracks.R;
 
 import android.os.AsyncTask;
@@ -57,7 +56,7 @@ public class RestoreAsyncTask extends AsyncTask<Void, Integer, Boolean> {
   public RestoreAsyncTask(RestoreActivity restoreActivity, Date date) {
     this.restoreActivity = restoreActivity;
     this.date = date;
-    this.externalFileBackup = new ExternalFileBackup(restoreActivity, new FileUtils());
+    this.externalFileBackup = new ExternalFileBackup(restoreActivity);
     success = false;
     completed = false;
     messageId = R.string.sd_card_error_read_file;

MyTracks/src/com/google/android/apps/mytracks/io/backup/RestoreChooserActivity.java

@@ -55,11 +55,10 @@ public class RestoreChooserActivity extends Activity {
   protected void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
 
-    FileUtils fileUtils = new FileUtils();
-    ExternalFileBackup externalFileBackup = new ExternalFileBackup(this, fileUtils);
+    ExternalFileBackup externalFileBackup = new ExternalFileBackup(this);
 
     // Get the list of existing backups
-    if (!fileUtils.isSdCardAvailable()) {
+    if (!FileUtils.isSdCardAvailable()) {
       Toast.makeText(this, R.string.sd_card_error_no_storage, Toast.LENGTH_LONG).show();
       finish();
       return;

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

@@ -101,7 +101,7 @@ public class SaveActivity extends Activity {
       }
       if (shareTrack || playTrack) {
         // Save to the temp directory
-        String dirName = new FileUtils().buildExternalDirectoryPath(
+        String dirName = FileUtils.buildExternalDirectoryPath(
             trackFileFormat.getExtension(), "tmp");
         trackWriter.setDirectory(new File(dirName));
       }

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

@@ -52,7 +52,6 @@ class TrackWriterImpl implements TrackWriter {
   private final MyTracksProviderUtils providerUtils;
   private final Track track;
   private final TrackFormatWriter writer;
-  private final FileUtils fileUtils;
   private boolean success = false;
   private int errorMessage = -1;
   private File directory = null;
@@ -66,7 +65,6 @@ class TrackWriterImpl implements TrackWriter {
     this.providerUtils = providerUtils;
     this.track = track;
     this.writer = writer;
-    this.fileUtils = new FileUtils();
   }
 
   @Override
@@ -175,7 +173,7 @@ class TrackWriterImpl implements TrackWriter {
     }
 
     // Make sure the file doesn't exist yet (possibly by changing the filename)
-    String fileName = fileUtils.buildUniqueFileName(
+    String fileName = FileUtils.buildUniqueFileName(
         directory, track.getName(), writer.getExtension());
     if (fileName == null) {
       Log.e(Constants.TAG,
@@ -200,16 +198,16 @@ class TrackWriterImpl implements TrackWriter {
   protected boolean canWriteFile() {
     if (directory == null) {
       String dirName =
-          fileUtils.buildExternalDirectoryPath(writer.getExtension());
+          FileUtils.buildExternalDirectoryPath(writer.getExtension());
       directory = newFile(dirName);
     }
 
-    if (!fileUtils.isSdCardAvailable()) {
+    if (!FileUtils.isSdCardAvailable()) {
       Log.i(Constants.TAG, "Could not find SD card.");
       errorMessage = R.string.sd_card_error_no_storage;
       return false;
     }
-    if (!fileUtils.ensureDirectoryExists(directory)) {
+    if (!FileUtils.ensureDirectoryExists(directory)) {
       Log.i(Constants.TAG, "Could not create export directory.");
       errorMessage = R.string.sd_card_error_create_dir;
       return false;

MyTracks/src/com/google/android/apps/mytracks/services/RemoveTempFilesService.java

@@ -91,10 +91,7 @@ public class RemoveTempFilesService extends Service {
   }
 
   private void cleanTempDirectory(String name) {
-    FileUtils fileUtils = new FileUtils();
-    String dirName = fileUtils.buildExternalDirectoryPath(name, "tmp");
-    File dir = new File(dirName);
-    cleanTempDirectory(dir);
+    cleanTempDirectory(new File(FileUtils.buildExternalDirectoryPath(name, "tmp")));
   }
   
   /**

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

@@ -29,20 +29,46 @@ import java.io.File;
  */
 public class FileUtils {
 
+  private FileUtils() {}
+
   /**
    * The maximum FAT32 path length. See the FAT32 spec at
    * http://msdn.microsoft.com/en-us/windows/hardware/gg463080
    */
   @VisibleForTesting
   static final int MAX_FAT32_PATH_LENGTH = 260;
-  
+
+  /**
+   * Returns whether the SD card is available.
+   */
+  public static boolean isSdCardAvailable() {
+    return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState());
+  }
+
+  /**
+   * Ensures the given directory exists by creating it and its parents if
+   * necessary.
+   *
+   * @return whether the directory exists (either already existed or was
+   *         successfully created)
+   */
+  public static boolean ensureDirectoryExists(File dir) {
+    if (dir.exists() && dir.isDirectory()) {
+      return true;
+    }
+    if (dir.mkdirs()) {
+      return true;
+    }
+    return false;
+  }
+
   /**
    * Builds a path inside the My Tracks directory in the SD card.
    *
    * @param components the path components inside the mytracks directory
    * @return the full path to the destination
    */
-  public String buildExternalDirectoryPath(String... components) {
+  public static String buildExternalDirectoryPath(String... components) {
     StringBuilder dirNameBuilder = new StringBuilder();
     dirNameBuilder.append(Environment.getExternalStorageDirectory());
     dirNameBuilder.append(File.separatorChar);
@@ -54,33 +80,6 @@ public class FileUtils {
     return dirNameBuilder.toString();
   }
 
-  /**
-   * Returns whether the SD card is available.
-   */
-  public boolean isSdCardAvailable() {
-    return Environment.MEDIA_MOUNTED.equals(
-        Environment.getExternalStorageState());
-  }
-
-  /**
-   * Ensures the given directory exists by creating it and its parents if
-   * necessary.
-   * 
-   * @return whether the directory exists (either already existed or was
-   *         successfully created)
-   */
-  public boolean ensureDirectoryExists(File dir) {
-    if (dir.exists() && dir.isDirectory()) {
-      return true;
-    }
-
-    if (dir.mkdirs()) {
-      return true;
-    }
-
-    return false;
-  }
-
   /**
    * Builds a filename with the given base name (prefix) and the given
    * extension, possibly adding a suffix to ensure the file doesn't exist.
@@ -90,8 +89,8 @@ public class FileUtils {
    * @param extension the file's extension
    * @return the complete file name, without the directory
    */
-  public synchronized String buildUniqueFileName(File directory,
-      String fileBaseName, String extension) {
+  public static synchronized String buildUniqueFileName(
+      File directory, String fileBaseName, String extension) {
     return buildUniqueFileName(directory, fileBaseName, extension, 0);
   }
 
@@ -105,7 +104,8 @@ public class FileUtils {
    * @param suffix the first numeric suffix to try to use, or 0 for none
    * @return the complete filename, without the directory
    */
-  private String buildUniqueFileName(File directory, String base, String extension, int suffix) {
+  private static String buildUniqueFileName(
+      File directory, String base, String extension, int suffix) {
     String suffixName = "";
     if (suffix > 0) {
       suffixName += "(" + Integer.toString(suffix) + ")";
@@ -115,8 +115,8 @@ public class FileUtils {
     String baseName = sanitizeFileName(base);
     baseName = truncateFileName(directory, baseName, suffixName);
     String fullName = baseName + suffixName;
-    
-    if (!fileExists(directory, fullName)) {
+
+    if (!new File(directory, fullName).exists()) {
       return fullName;
     }
     return buildUniqueFileName(directory, base, extension, suffix + 1);
@@ -131,7 +131,7 @@ public class FileUtils {
    * @param name name
    */
   @VisibleForTesting
-  String sanitizeFileName(String name) {
+  static String sanitizeFileName(String name) {
     StringBuffer buffer = new StringBuffer(name.length());
     for (int i = 0; i < name.length(); i++) {
       int codePoint = name.codePointAt(i);
@@ -145,13 +145,13 @@ public class FileUtils {
     String result = buffer.toString();
     return result.replaceAll("_+", "_");
   }
-  
+
   /**
    * Returns true if it is a special FAT32 character.
-   * 
+   *
    * @param character the character
    */
-  private boolean isSpecialFat32(char character) {
+  private static boolean isSpecialFat32(char character) {
     switch (character) {
       case '$':
       case '%':
@@ -191,8 +191,8 @@ public class FileUtils {
    * @param suffix suffix
    */
   @VisibleForTesting
-  String truncateFileName(File directory, String name, String suffix) {
-    // 1 at the end accounts for the FAT32 filename trailing NUL character 
+  static String truncateFileName(File directory, String name, String suffix) {
+    // 1 at the end accounts for the FAT32 filename trailing NUL character
     int requiredLength = directory.getPath().length() + suffix.length() + 1;
     if (name.length() + requiredLength > MAX_FAT32_PATH_LENGTH) {
       int limit = MAX_FAT32_PATH_LENGTH - requiredLength;
@@ -201,13 +201,4 @@ public class FileUtils {
       return name;
     }
   }
-
-  /**
-   * Checks whether a file with the given name exists in the given directory.
-   * This is isolated so it can be overridden in tests.
-   */
-  protected boolean fileExists(File directory, String fullName) {
-    File file = new File(directory, fullName);
-    return file.exists();
-  }
 }