IT. Expert System.

public class RenamingDelegatingContext
extends ContextWrapper

• Field Summary

  • Fields inherited from class android.content.Context

    ACCESSIBILITY_SERVICE, ACCOUNT_SERVICE, ACTIVITY_SERVICE, ALARM_SERVICE, APPWIDGET_SERVICE, AUDIO_SERVICE, BACKUP_SERVICE, BIND_ABOVE_CLIENT, BIND_ADJUST_WITH_ACTIVITY, BIND_ALLOW_OOM_MANAGEMENT, BIND_AUTO_CREATE, BIND_DEBUG_UNBIND, BIND_IMPORTANT, BIND_NOT_FOREGROUND, BIND_NOT_VISIBLE, BIND_VISIBLE, BIND_WAIVE_PRIORITY, BLUETOOTH_SERVICE, CLIPBOARD_SERVICE, CONNECTIVITY_SERVICE, CONTEXT_IGNORE_SECURITY, CONTEXT_INCLUDE_CODE, CONTEXT_RESTRICTED, COUNTRY_DETECTOR, DEVICE_POLICY_SERVICE, DISPLAY_SERVICE, DOWNLOAD_SERVICE, DROPBOX_SERVICE, INPUT_METHOD_SERVICE, INPUT_SERVICE, KEYGUARD_SERVICE, LAYOUT_INFLATER_SERVICE, LOCATION_SERVICE, MEDIA_ROUTER_SERVICE, MODE_APPEND, MODE_ENABLE_WRITE_AHEAD_LOGGING, MODE_MULTI_PROCESS, MODE_PRIVATE, MODE_WORLD_READABLE, MODE_WORLD_WRITEABLE, NETWORK_POLICY_SERVICE, NETWORK_STATS_SERVICE, NETWORKMANAGEMENT_SERVICE, NFC_SERVICE, NOTIFICATION_SERVICE, NSD_SERVICE, POWER_SERVICE, SCHEDULING_POLICY_SERVICE, SEARCH_SERVICE, SENSOR_SERVICE, SERIAL_SERVICE, SIP_SERVICE, STATUS_BAR_SERVICE, STORAGE_SERVICE, TELEPHONY_SERVICE, TEXT_SERVICES_MANAGER_SERVICE, THROTTLE_SERVICE, UI_MODE_SERVICE, UPDATE_LOCK_SERVICE, USB_SERVICE, USER_SERVICE, VIBRATOR_SERVICE, WALLPAPER_SERVICE, WIFI_P2P_SERVICE, WIFI_SERVICE, WINDOW_SERVICE

• Constructor Summary

  Constructors

  Constructor and Description
  RenamingDelegatingContext(Context context, Context fileContext, String filePrefix)
  RenamingDelegatingContext(Context context, String filePrefix)

• Method Summary

  Methods

  Modifier and Type	Method and Description
  String[]	databaseList() Returns an array of strings naming the private databases associated with this Context's application package.
  boolean	deleteDatabase(String name) Delete an existing private SQLiteDatabase associated with this Context's application package.
  boolean	deleteFile(String name) Delete the given private file associated with this Context's application package.
  String[]	fileList() Returns an array of strings naming the private files associated with this Context's application package.
  File	getCacheDir() In order to support calls to getCacheDir(), we create a temp cache dir (inside the real one) and return it instead.
  File	getDatabasePath(String name) Returns the absolute path on the filesystem where a database created with Context.openOrCreateDatabase(java.lang.String, int, android.database.sqlite.SQLiteDatabase.CursorFactory) is stored.
  String	getDatabasePrefix()
  File	getFileStreamPath(String name) Returns the absolute path on the filesystem where a file created with Context.openFileOutput(java.lang.String, int) is stored.
  void	makeExistingFilesAndDbsAccessible() Makes accessible all files and databases whose names match the filePrefix that was passed to the constructor.
  FileInputStream	openFileInput(String name) Open a private file associated with this Context's application package for reading.
  FileOutputStream	openFileOutput(String name, int mode) Open a private file associated with this Context's application package for writing.
  SQLiteDatabase	openOrCreateDatabase(String name, int mode, SQLiteDatabase.CursorFactory factory) Open a new private SQLiteDatabase associated with this Context's application package.
  SQLiteDatabase	openOrCreateDatabase(String name, int mode, SQLiteDatabase.CursorFactory factory, DatabaseErrorHandler errorHandler) Open a new private SQLiteDatabase associated with this Context's application package.
  static <T extends ContentProvider> T	providerWithRenamedContext(Class<T> contentProvider, Context c, String filePrefix)
  static <T extends ContentProvider> T	providerWithRenamedContext(Class<T> contentProvider, Context c, String filePrefix, boolean allowAccessToExistingFilesAndDbs)

  • Methods inherited from class android.content.ContextWrapper

    attachBaseContext, bindService, bindService, checkCallingOrSelfPermission, checkCallingOrSelfUriPermission, checkCallingPermission, checkCallingUriPermission, checkPermission, checkUriPermission, checkUriPermission, clearWallpaper, createConfigurationContext, createDisplayContext, createPackageContext, createPackageContextAsUser, enforceCallingOrSelfPermission, enforceCallingOrSelfUriPermission, enforceCallingPermission, enforceCallingUriPermission, enforcePermission, enforceUriPermission, enforceUriPermission, getApplicationContext, getApplicationInfo, getAssets, getBaseContext, getClassLoader, getCompatibilityInfo, getContentResolver, getDir, getExternalCacheDir, getExternalFilesDir, getFilesDir, getMainLooper, getObbDir, getPackageCodePath, getPackageManager, getPackageName, getPackageResourcePath, getResources, getSharedPreferences, getSharedPrefsFile, getSystemService, getTheme, getThemeResId, getWallpaper, getWallpaperDesiredMinimumHeight, getWallpaperDesiredMinimumWidth, grantUriPermission, isRestricted, peekWallpaper, registerReceiver, registerReceiver, registerReceiverAsUser, removeStickyBroadcast, removeStickyBroadcastAsUser, revokeUriPermission, sendBroadcast, sendBroadcast, sendBroadcastAsUser, sendBroadcastAsUser, sendOrderedBroadcast, sendOrderedBroadcast, sendOrderedBroadcastAsUser, sendStickyBroadcast, sendStickyBroadcastAsUser, sendStickyOrderedBroadcast, sendStickyOrderedBroadcastAsUser, setTheme, setWallpaper, setWallpaper, startActivities, startActivities, startActivitiesAsUser, startActivity, startActivity, startActivityAsUser, startActivityAsUser, startInstrumentation, startIntentSender, startIntentSender, startService, startServiceAsUser, stopService, stopServiceAsUser, unbindService, unregisterReceiver

  • Methods inherited from class android.content.Context

    getString, getString, getText, obtainStyledAttributes, obtainStyledAttributes, obtainStyledAttributes, obtainStyledAttributes, registerComponentCallbacks, unregisterComponentCallbacks

  • Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

• Constructor Detail

  • RenamingDelegatingContext

    public RenamingDelegatingContext(Context context,
                             String filePrefix)

    Parameters:

    context - : the context that will be delagated.

    filePrefix - : a prefix with which database and file names will be prefixed.

  • RenamingDelegatingContext

    public RenamingDelegatingContext(Context context,
                             Context fileContext,
                             String filePrefix)

    Parameters:

    context - : the context that will be delagated.

    fileContext - : the context that file and db methods will be delgated to

    filePrefix - : a prefix with which database and file names will be prefixed.

• Method Detail

  • providerWithRenamedContext

    public static <T extends ContentProvider> T providerWithRenamedContext(Class<T> contentProvider,
                                                           Context c,
                                                           String filePrefix)
                                                                throws IllegalAccessException,
                                                                       InstantiationException

    Throws:

    IllegalAccessException

    InstantiationException

  • providerWithRenamedContext

    public static <T extends ContentProvider> T providerWithRenamedContext(Class<T> contentProvider,
                                                           Context c,
                                                           String filePrefix,
                                                           boolean allowAccessToExistingFilesAndDbs)
                                                                throws IllegalAccessException,
                                                                       InstantiationException

    Throws:

    IllegalAccessException

    InstantiationException

  • makeExistingFilesAndDbsAccessible

    public void makeExistingFilesAndDbsAccessible()

    Makes accessible all files and databases whose names match the filePrefix that was passed to the constructor. Normally only files and databases that were created through this context are accessible.

  • getDatabasePrefix

    public String getDatabasePrefix()

  • openOrCreateDatabase

    public SQLiteDatabase openOrCreateDatabase(String name,
                                      int mode,
                                      SQLiteDatabase.CursorFactory factory)

    Description copied from class: Context
    Open a new private SQLiteDatabase associated with this Context's application package. Create the database file if it doesn't exist.

    Overrides:

    openOrCreateDatabase in class ContextWrapper

    Parameters:

    name - The name (unique in the application package) of the database.

    mode - Operating mode. Use 0 or Context.MODE_PRIVATE for the default operation, Context.MODE_WORLD_READABLE and Context.MODE_WORLD_WRITEABLE to control permissions. Use Context.MODE_ENABLE_WRITE_AHEAD_LOGGING to enable write-ahead logging by default.

    factory - An optional factory class that is called to instantiate a cursor when query is called.

    Returns:

    The contents of a newly created database with the given name.

    See Also:

    Context.MODE_PRIVATE, Context.MODE_WORLD_READABLE, Context.MODE_WORLD_WRITEABLE, Context.MODE_ENABLE_WRITE_AHEAD_LOGGING, Context.deleteDatabase(java.lang.String)

  • openOrCreateDatabase

    public SQLiteDatabase openOrCreateDatabase(String name,
                                      int mode,
                                      SQLiteDatabase.CursorFactory factory,
                                      DatabaseErrorHandler errorHandler)

    Description copied from class: Context
    Open a new private SQLiteDatabase associated with this Context's application package. Creates the database file if it doesn't exist.

    Accepts input param: a concrete instance of DatabaseErrorHandler to be used to handle corruption when sqlite reports database corruption.

    Overrides:

    openOrCreateDatabase in class ContextWrapper

    Parameters:

    name - The name (unique in the application package) of the database.

    mode - Operating mode. Use 0 or Context.MODE_PRIVATE for the default operation, Context.MODE_WORLD_READABLE and Context.MODE_WORLD_WRITEABLE to control permissions. Use Context.MODE_ENABLE_WRITE_AHEAD_LOGGING to enable write-ahead logging by default.

    factory - An optional factory class that is called to instantiate a cursor when query is called.

    errorHandler - the DatabaseErrorHandler to be used when sqlite reports database corruption. if null, DefaultDatabaseErrorHandler is assumed.

    Returns:

    The contents of a newly created database with the given name.

    See Also:

    Context.MODE_PRIVATE, Context.MODE_WORLD_READABLE, Context.MODE_WORLD_WRITEABLE, Context.MODE_ENABLE_WRITE_AHEAD_LOGGING, Context.deleteDatabase(java.lang.String)

  • deleteDatabase

    public boolean deleteDatabase(String name)

    Description copied from class: Context
    Delete an existing private SQLiteDatabase associated with this Context's application package.

    Overrides:

    deleteDatabase in class ContextWrapper

    Parameters:

    name - The name (unique in the application package) of the database.

    Returns:

    True if the database was successfully deleted; else false.

    See Also:

    Context.openOrCreateDatabase(java.lang.String, int, android.database.sqlite.SQLiteDatabase.CursorFactory)

  • getDatabasePath

    public File getDatabasePath(String name)

    Description copied from class: Context
    Returns the absolute path on the filesystem where a database created with Context.openOrCreateDatabase(java.lang.String, int, android.database.sqlite.SQLiteDatabase.CursorFactory) is stored.

    Overrides:

    getDatabasePath in class ContextWrapper

    Parameters:

    name - The name of the database for which you would like to get its path.

    Returns:

    Returns an absolute path to the given database.

    See Also:

    Context.openOrCreateDatabase(java.lang.String, int, android.database.sqlite.SQLiteDatabase.CursorFactory)

  • databaseList

    public String[] databaseList()

    Description copied from class: Context
    Returns an array of strings naming the private databases associated with this Context's application package.

    Overrides:

    databaseList in class ContextWrapper

    Returns:

    Array of strings naming the private databases.

    See Also:

    Context.openOrCreateDatabase(java.lang.String, int, android.database.sqlite.SQLiteDatabase.CursorFactory), Context.deleteDatabase(java.lang.String)

  • openFileInput

    public FileInputStream openFileInput(String name)
                                  throws FileNotFoundException

    Description copied from class: Context
    Open a private file associated with this Context's application package for reading.

    Overrides:

    openFileInput in class ContextWrapper

    Parameters:

    name - The name of the file to open; can not contain path separators.

    Returns:

    FileInputStream Resulting input stream.

    Throws:

    FileNotFoundException

    See Also:

    Context.openFileOutput(java.lang.String, int), Context.fileList(), Context.deleteFile(java.lang.String), FileInputStream.FileInputStream(String)

  • openFileOutput

    public FileOutputStream openFileOutput(String name,
                                  int mode)
                                    throws FileNotFoundException

    Description copied from class: Context
    Open a private file associated with this Context's application package for writing. Creates the file if it doesn't already exist.

    Overrides:

    openFileOutput in class ContextWrapper

    Parameters:

    name - The name of the file to open; can not contain path separators.

    mode - Operating mode. Use 0 or Context.MODE_PRIVATE for the default operation, Context.MODE_APPEND to append to an existing file, Context.MODE_WORLD_READABLE and Context.MODE_WORLD_WRITEABLE to control permissions.

    Returns:

    FileOutputStream Resulting output stream.

    Throws:

    FileNotFoundException

    See Also:

    Context.MODE_APPEND, Context.MODE_PRIVATE, Context.MODE_WORLD_READABLE, Context.MODE_WORLD_WRITEABLE, Context.openFileInput(java.lang.String), Context.fileList(), Context.deleteFile(java.lang.String), FileOutputStream.FileOutputStream(String)

  • getFileStreamPath

    public File getFileStreamPath(String name)

    Description copied from class: Context
    Returns the absolute path on the filesystem where a file created with Context.openFileOutput(java.lang.String, int) is stored.

    Overrides:

    getFileStreamPath in class ContextWrapper

    Parameters:

    name - The name of the file for which you would like to get its path.

    Returns:

    Returns an absolute path to the given file.

    See Also:

    Context.openFileOutput(java.lang.String, int), Context.getFilesDir(), Context.getDir(java.lang.String, int)

  • deleteFile

    public boolean deleteFile(String name)

    Description copied from class: Context
    Delete the given private file associated with this Context's application package.

    Overrides:

    deleteFile in class ContextWrapper

    Parameters:

    name - The name of the file to delete; can not contain path separators.

    Returns:

    True if the file was successfully deleted; else false.

    See Also:

    Context.openFileInput(java.lang.String), Context.openFileOutput(java.lang.String, int), Context.fileList(), File.delete()

  • fileList

    public String[] fileList()

    Description copied from class: Context
    Returns an array of strings naming the private files associated with this Context's application package.

    Overrides:

    fileList in class ContextWrapper

    Returns:

    Array of strings naming the private files.

    See Also:

    Context.openFileInput(java.lang.String), Context.openFileOutput(java.lang.String, int), Context.deleteFile(java.lang.String)

  • getCacheDir

    public File getCacheDir()

    In order to support calls to getCacheDir(), we create a temp cache dir (inside the real one) and return it instead. This code is basically getCacheDir(), except it uses the real cache dir as the parent directory and creates a test cache dir inside that.

    Overrides:

    getCacheDir in class ContextWrapper

    Returns:

    Returns the path of the directory holding application cache files.

    See Also:

    Context.openFileOutput(java.lang.String, int), Context.getFileStreamPath(java.lang.String), Context.getDir(java.lang.String, int)