Example usage for android.os FileUtils sync

Introduction

In this page you can find the example usage for android.os FileUtils sync.

Prototype

@UnsupportedAppUsage
public static boolean sync(FileOutputStream stream) 

Source Link

Document

Perform an fsync on the given FileOutputStream.

Usage

From source file:android.util.AtomicFile.java

/**
 * Call when you have successfully finished writing to the stream
 * returned by {@link #startWrite()}.  This will close, sync, and
 * commit the new data.  The next attempt to read the atomic file
 * will return the new file stream./*from  w ww  . j  av  a2 s .co  m*/
 */
public void finishWrite(FileOutputStream str) {
    if (str != null) {
        FileUtils.sync(str);
        try {
            str.close();
            mBackupName.delete();
        } catch (IOException e) {
            Log.w("AtomicFile", "finishWrite: Got exception:", e);
        }
    }
}

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From source file:android.util.AtomicFile.java

/**
 * Call when you have failed for some reason at writing to the stream
 * returned by {@link #startWrite()}.  This will close the current
 * write stream, and roll back to the previous state of the file.
 *//*w  ww .j  av a  2s  . c o  m*/
public void failWrite(FileOutputStream str) {
    if (str != null) {
        FileUtils.sync(str);
        try {
            str.close();
            mBaseName.delete();
            mBackupName.renameTo(mBaseName);
        } catch (IOException e) {
            Log.w("AtomicFile", "failWrite: Got exception:", e);
        }
    }
}

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From source file:android.util.AtomicFile.java

/** @hide
 * @deprecated This is not safe./*from   w  w w  . j  a v  a 2  s .  c  o  m*/
 */
@Deprecated
public void truncate() throws IOException {
    try {
        FileOutputStream fos = new FileOutputStream(mBaseName);
        FileUtils.sync(fos);
        fos.close();
    } catch (FileNotFoundException e) {
        throw new IOException("Couldn't append " + mBaseName);
    } catch (IOException e) {
    }
}

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