Example usage for java.io File separator

Introduction

In this page you can find the example usage for java.io File separator.

Prototype

String separator

To view the source code for java.io File separator.

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Document

The system-dependent default name-separator character, represented as a string for convenience.

Usage

From source file:Main.java

public static File getOutputMediaFile(int type, Context c) {
    File mediaStorageDir = new File(c.getApplicationContext().getExternalFilesDir(null).getAbsolutePath());
    if (!mediaStorageDir.exists()) {
        if (!mediaStorageDir.mkdirs()) {
            Log.d("MyCameraApp", "failed to create directory");
            return null;
        }//from ww w.  j  a v  a 2  s.c o  m
    }

    // Create a media file name
    String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
    File mediaFile;
    if (type == MEDIA_TYPE_IMAGE) {
        mediaFile = new File(mediaStorageDir.getPath() + File.separator + "IMG_" + timeStamp + ".jpg");
    } else if (type == MEDIA_TYPE_AUDIO) {
        mediaFile = new File(mediaStorageDir.getPath() + File.separator + "VID_" + timeStamp + ".3gp");
    } else {
        return null;
    }

    return mediaFile;
}

From source file:Main.java

public static Bitmap convertToMutable(Bitmap srcBitmap, String cacheDirPath, String tempFileName) {
    try {/*  w w  w . ja  va2s . c o m*/
        // this is the file going to use temporally to save the bytes.
        // This file will not be a image, it will store the raw image data.
        int index = tempFileName.lastIndexOf(".");
        if (index != -1)
            tempFileName = tempFileName.substring(0, index);
        File file = new File(cacheDirPath + File.separator + tempFileName + ".tmp");

        // Open an RandomAccessFile
        // Make sure you have added uses-permission
        // android:name="android.permission.WRITE_EXTERNAL_STORAGE"
        // into AndroidManifest.xml file
        RandomAccessFile randomAccessFile = new RandomAccessFile(file, "rw");

        // get the width and height of the source bitmap.
        int width = srcBitmap.getWidth();
        int height = srcBitmap.getHeight();
        Config type = srcBitmap.getConfig();

        // Copy the byte to the file
        // Assume source bitmap loaded using options.inPreferredConfig =
        // Config.ARGB_8888;
        FileChannel channel = randomAccessFile.getChannel();
        MappedByteBuffer map = channel.map(MapMode.READ_WRITE, 0, srcBitmap.getRowBytes() * height);
        srcBitmap.copyPixelsToBuffer(map);
        // recycle the source bitmap, this will be no longer used.
        srcBitmap.recycle();
        System.gc();// try to force the bytes from the imgIn to be released

        // Create a new bitmap to load the bitmap again. Probably the memory
        // will be available.
        srcBitmap = Bitmap.createBitmap(width, height, type);
        map.position(0);
        // load it back from temporary
        srcBitmap.copyPixelsFromBuffer(map);
        // close the temporary file and channel , then delete that also
        channel.close();
        randomAccessFile.close();

        // delete the temp file
        file.delete();

    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }

    return srcBitmap;
}

From source file:Main.java

public static File createFile(Context context) {
    File file;// w w  w. ja va 2  s  .  com
    if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
        String timeStamp = String.valueOf(new Date().getTime());
        file = new File(Environment.getExternalStorageDirectory() + File.separator + timeStamp + ".jpg");
    } else {
        File cacheDir = context.getCacheDir();
        String timeStamp = String.valueOf(new Date().getTime());
        file = new File(cacheDir, timeStamp + ".jpg");
    }
    return file;
}

From source file:Main.java

public static File getLocalBackupFolder(Context context) {
    File rootFolder = new File(context.getExternalFilesDir(null) + File.separator + "backup");
    rootFolder.mkdirs();// w  ww. ja  v a2 s .co  m
    return rootFolder;
}

From source file:Main.java

public static Uri getOutputMediaFileUri() {
    File mediaStorageDir = new File(getCachePath());
    if (!mediaStorageDir.exists()) {
        if (!mediaStorageDir.mkdirs()) {
            return null;
        }/*from  w  w  w  .j  a  v a  2  s  .c o m*/
    }

    String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
    File mediaFile = new File(mediaStorageDir.getPath() + File.separator + "IMG_" + timeStamp + ".jpg");

    return Uri.fromFile(mediaFile);
}

From source file:Main.java

/**
 * Get SDCard cache dir./*from  ww w.j ava  2s  .  c  o m*/
 *
 * @param context
 * @return
 */
public static String getSdCacheDir(Context context) {
    if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
        java.io.File fExternalStorageDirectory = Environment.getExternalStorageDirectory();
        java.io.File autonaviDir = new java.io.File(fExternalStorageDirectory, "move");
        boolean result = false;
        if (!autonaviDir.exists()) {
            result = autonaviDir.mkdir();
        }
        java.io.File minimapDir = new java.io.File(autonaviDir, "offlineMap");
        if (!minimapDir.exists()) {
            result = minimapDir.mkdir();
        }
        return minimapDir.toString() + File.separator;
    } else {
        return "";
    }
}

From source file:Main.java

static String getFileName(Context context, Uri uri) {
    String result = null;/*w ww.  jav  a 2 s.  c o  m*/
    if (uri.getScheme().equals("content")) {
        Cursor cursor = context.getContentResolver().query(uri, null, null, null, null);
        try {
            if (cursor != null && cursor.moveToFirst()) {
                result = cursor.getString(cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (cursor != null) {
                cursor.close();
            }
        }
    }
    if (result == null) {
        result = uri.getPath();
        int cut = result.lastIndexOf(File.separator);
        if (cut != -1) {
            result = result.substring(cut + 1);
        }
    }
    return result;
}

From source file:Main.java

public static boolean fileExists(Context context, String fileName) {
    return new File(context.getFilesDir() + File.separator + fileName).exists();
}

From source file:Main.java

public static String getLibraryDirectory() {
    return Environment.getExternalStorageDirectory() + File.separator + "MicDroid" + File.separator
            + "recordings";
}

From source file:config.ResourceUtils.java

/**
 * Gets a resource by its relative path. If the resource is not found on the
 * file system, the classpath is searched. If nothing is found, null is
 * returned.//from w  w  w  .  j  a v a  2s .c o m
 *
 * @param fileName the name of the resource
 * @return the found resource
 */
public static Resource getResourceByRelativePath(String fileName) {
    Resource resource = new FileSystemResource(RESOURCES_FOLDER + File.separator + fileName);
    if (!resource.exists()) {
        //try to find it on the classpath
        resource = new ClassPathResource(fileName);
        if (!resource.exists()) {
            // making sure to run on Netbeans..
            resource = new FileSystemResource("src" + File.separator + "main" + File.separator
                    + RESOURCES_FOLDER + File.separator + fileName);
            if (!resource.exists()) {
                resource = null;
            }
        }
    }
    return resource;
}