com.lody.virtual.helper.utils.AtomicFile.startWrite java code examples

Common ways to obtain AtomicFile

private void myMethod () {
 AtomicFile a =File baseName;new AtomicFile(baseName)
File parent;new AtomicFile(new File(parent, userInfo.id + ".xml"))
File parent;new AtomicFile(new File(parent, Integer.toString(i) + ".xml"))
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}

private void writeUserListLocked() {
  FileOutputStream fos = null;
  AtomicFile userListFile = new AtomicFile(mUserListFile);
  try {
    fos = userListFile.startWrite();
    final BufferedOutputStream bos = new BufferedOutputStream(fos);
    // XmlSerializer serializer = XmlUtils.serializerInstance();
    final XmlSerializer serializer = new FastXmlSerializer();
    serializer.setOutput(bos, "utf-8");
    serializer.startDocument(null, true);
    serializer.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true);
    serializer.startTag(null, TAG_USERS);
    serializer.attribute(null, ATTR_NEXT_SERIAL_NO, Integer.toString(mNextSerialNumber));
    serializer.attribute(null, ATTR_USER_VERSION, Integer.toString(mUserVersion));
    for (int i = 0; i < mUsers.size(); i++) {
      VUserInfo user = mUsers.valueAt(i);
      serializer.startTag(null, TAG_USER);
      serializer.attribute(null, ATTR_ID, Integer.toString(user.id));
      serializer.endTag(null, TAG_USER);
    }
    serializer.endTag(null, TAG_USERS);
    serializer.endDocument();
    userListFile.finishWrite(fos);
  } catch (Exception e) {
    userListFile.failWrite(fos);
    VLog.e(LOG_TAG, "Error writing user list");
  }
}

AtomicFile userFile = new AtomicFile(new File(mUsersDir, userInfo.id + ".xml"));
try {
  fos = userFile.startWrite();
  final BufferedOutputStream bos = new BufferedOutputStream(fos);

private void writeUserListLocked() {
  FileOutputStream fos = null;
  AtomicFile userListFile = new AtomicFile(mUserListFile);
  try {
    fos = userListFile.startWrite();
    final BufferedOutputStream bos = new BufferedOutputStream(fos);
    // XmlSerializer serializer = XmlUtils.serializerInstance();
    final XmlSerializer serializer = new FastXmlSerializer();
    serializer.setOutput(bos, "utf-8");
    serializer.startDocument(null, true);
    serializer.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true);
    serializer.startTag(null, TAG_USERS);
    serializer.attribute(null, ATTR_NEXT_SERIAL_NO, Integer.toString(mNextSerialNumber));
    serializer.attribute(null, ATTR_USER_VERSION, Integer.toString(mUserVersion));
    for (int i = 0; i < mUsers.size(); i++) {
      VUserInfo user = mUsers.valueAt(i);
      serializer.startTag(null, TAG_USER);
      serializer.attribute(null, ATTR_ID, Integer.toString(user.id));
      serializer.endTag(null, TAG_USER);
    }
    serializer.endTag(null, TAG_USERS);
    serializer.endDocument();
    userListFile.finishWrite(fos);
  } catch (Exception e) {
    userListFile.failWrite(fos);
    VLog.e(LOG_TAG, "Error writing user list");
  }
}

private void writeUserListLocked() {
  FileOutputStream fos = null;
  AtomicFile userListFile = new AtomicFile(mUserListFile);
  try {
    fos = userListFile.startWrite();
    final BufferedOutputStream bos = new BufferedOutputStream(fos);
    // XmlSerializer serializer = XmlUtils.serializerInstance();
    final XmlSerializer serializer = new FastXmlSerializer();
    serializer.setOutput(bos, "utf-8");
    serializer.startDocument(null, true);
    serializer.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true);
    serializer.startTag(null, TAG_USERS);
    serializer.attribute(null, ATTR_NEXT_SERIAL_NO, Integer.toString(mNextSerialNumber));
    serializer.attribute(null, ATTR_USER_VERSION, Integer.toString(mUserVersion));
    for (int i = 0; i < mUsers.size(); i++) {
      VUserInfo user = mUsers.valueAt(i);
      serializer.startTag(null, TAG_USER);
      serializer.attribute(null, ATTR_ID, Integer.toString(user.id));
      serializer.endTag(null, TAG_USER);
    }
    serializer.endTag(null, TAG_USERS);
    serializer.endDocument();
    userListFile.finishWrite(fos);
  } catch (Exception e) {
    userListFile.failWrite(fos);
    VLog.e(LOG_TAG, "Error writing user list");
  }
}

AtomicFile userFile = new AtomicFile(new File(mUsersDir, userInfo.id + ".xml"));
try {
  fos = userFile.startWrite();
  final BufferedOutputStream bos = new BufferedOutputStream(fos);

AtomicFile userFile = new AtomicFile(new File(mUsersDir, userInfo.id + ".xml"));
try {
  fos = userFile.startWrite();
  final BufferedOutputStream bos = new BufferedOutputStream(fos);

Javadoc

Start a new write operation on the file. This returns a FileOutputStream to which you can write the new file data. The existing file is replaced with the new data. You must not directly close the given FileOutputStream; instead call either #finishWrite(FileOutputStream)or #failWrite(FileOutputStream).

Note that if another thread is currently performing a write, this will simply replace whatever that thread is writing with the new file being written by this thread, and when the other thread finishes the write the new write operation will no longer be safe (or will be lost). You must do your own threading protection for access to AtomicFile.

Popular methods of AtomicFile

<init>
Create a new AtomicFile for a file located at the given File path. The secondary backup file will be
delete
Delete the atomic file. This deletes both the base and backup files.
failWrite
Call when you have failed for some reason at writing to the stream returned by #startWrite(). This w
finishWrite
Call when you have successfully finished writing to the stream returned by #startWrite(). This will
openRead
Open the atomic file for reading. If there previously was an incomplete write, this will roll back t
sync

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How to use startWritemethodin com.lody.virtual.helper.utils.AtomicFile

Best Java code snippets using com.lody.virtual.helper.utils.AtomicFile.startWrite (Showing top 6 results out of 315)

How to use
startWrite
method
in
com.lody.virtual.helper.utils.AtomicFile