下面列出了android.os.FileObserver#MODIFY 实例代码,或者点击链接到github查看源代码,也可以在右侧发表评论。
PFileObserver(AppRunner appRunner, String path) {
fileObserver = new FileObserver(appRunner.getProject().getFullPathForFile(path), FileObserver.CREATE | FileObserver.MODIFY | FileObserver.DELETE) {
@Override
public void onEvent(int event, String file) {
ReturnObject ret = new ReturnObject();
if ((FileObserver.CREATE & event) != 0) {
ret.put("action", "created");
} else if ((FileObserver.DELETE & event) != 0) {
ret.put("action", "deleted");
} else if ((FileObserver.MODIFY & event) != 0) {
ret.put("action", "modified");
}
ret.put("file", file);
if (callback != null) callback.event(ret);
}
};
fileObserver.startWatching();
getAppRunner().whatIsRunning.add(this);
}
@Override
public void onEvent(int event, String path) {
if (event == FileObserver.MODIFY) {
runOnUiThread(() -> logcat.setText(public_func.read_log(context)));
}
}
private static List<String> getModulesList(final int user) {
final int index = modulesList.indexOfKey(user);
if (index >= 0) {
return modulesList.valueAt(index);
}
final String filename = String.format("/data/user_de/%s/%s/conf/enabled_modules.list", user, APPLICATION_ID);
final FileObserver observer = new FileObserver(filename) {
@Override
public void onEvent(int event, @Nullable String path) {
switch (event) {
case FileObserver.MODIFY:
modulesList.put(user, readModulesList(filename));
break;
case FileObserver.MOVED_FROM:
case FileObserver.MOVED_TO:
case FileObserver.MOVE_SELF:
case FileObserver.DELETE:
case FileObserver.DELETE_SELF:
modulesList.remove(user);
modulesListObservers.remove(user);
break;
}
}
};
modulesListObservers.put(user, observer);
final List<String> list = readModulesList(filename);
modulesList.put(user, list);
observer.startWatching();
return list;
}
/**
* Receives and processes events about updates of the monitor folder and its children files.
*
* @param event Kind of event occurred.
* @param path Relative path of the file referred by the event.
*/
@Override
public void onEvent(int event, String path) {
Log_OC.d(TAG, "Got event " + event + " on FOLDER " + mPath + " about "
+ ((path != null) ? path : ""));
boolean shouldSynchronize = false;
synchronized(mObservedChildren) {
if (path != null && path.length() > 0 && mObservedChildren.containsKey(path)) {
if ( ((event & FileObserver.MODIFY) != 0) ||
((event & FileObserver.ATTRIB) != 0) ||
((event & FileObserver.MOVED_TO) != 0) ) {
if (!mObservedChildren.get(path)) {
mObservedChildren.put(path, Boolean.valueOf(true));
}
}
if ((event & FileObserver.CLOSE_WRITE) != 0 && mObservedChildren.get(path)) {
mObservedChildren.put(path, Boolean.valueOf(false));
shouldSynchronize = true;
}
}
}
if (shouldSynchronize) {
startSyncOperation(path);
}
if ((event & IN_IGNORE) != 0 &&
(path == null || path.length() == 0)) {
Log_OC.d(TAG, "Stopping the observance on " + mPath);
}
}
public SettingsFileObserver(int userHandle, String path) {
super(path, FileObserver.CLOSE_WRITE |
FileObserver.CREATE | FileObserver.DELETE |
FileObserver.MOVED_TO | FileObserver.MODIFY);
mUserHandle = userHandle;
mPath = path;
}
public static String toString(final int event) {
switch (event) {
case FileObserver.ACCESS:
return "ACCESS";
case FileObserver.MODIFY:
return "MODIFY";
case FileObserver.ATTRIB:
return "ATTRIB";
case FileObserver.CLOSE_WRITE:
return "CLOSE_WRITE";
case FileObserver.CLOSE_NOWRITE:
return "CLOSE_NOWRITE";
case FileObserver.OPEN:
return "OPEN";
case FileObserver.MOVED_FROM:
return "MOVED_FROM";
case FileObserver.MOVED_TO:
return "MOVED_TO";
case FileObserver.CREATE:
return "CREATE";
case FileObserver.DELETE:
return "DELETE";
case FileObserver.DELETE_SELF:
return "DELETE_SELF";
case FileObserver.MOVE_SELF:
return "MOVE_SELF";
default:
return "0x" + Integer.toHexString(event);
}
}
@Override
public void onEvent(int event, final String path) {
if (path == null) {
return;
}
switch (event & FileObserver.ALL_EVENTS) {
case FileObserver.CLOSE_WRITE:
// Download complete, or paused when wifi is disconnected. Possibly reported more than once in a row.
// Useful for noticing when a download has been paused. For completions, register a receiver for
// DownloadManager.ACTION_DOWNLOAD_COMPLETE.
break;
case FileObserver.OPEN:
// Called for both read and write modes.
// Useful for noticing a download has been started or resumed.
break;
case FileObserver.DELETE:
case FileObserver.MOVED_FROM:
// This video is lost never to return. Remove it.
handler.post(new Runnable() {
@Override
public void run() {
DatabaseHelper helper = dataService.getHelper();
helper.removeDownloadFromDownloadManager(helper.getVideoForFilename(path));
}
});
break;
case FileObserver.MODIFY:
// Called very frequently while a download is ongoing (~1 per ms).
// This could be used to trigger a progress update, but that should probably be done less often than this.
shouldPoll = true;
break;
}
}
@Override
public void onEvent(int event, String path) {
if (event == FileObserver.MODIFY && path.contains("error.log")) {
runOnUiThread(() -> logcat.setText(public_func.read_log(context, line)));
}
}
private void onEvent(int i, String s) {
if (i != FileObserver.MODIFY) {
return;
}
write();
}
@Override
public void onEvent(int event, String path) {
String parse = null;
switch(event) {
case FileObserver.CREATE:
parse = "file created";
break;
case FileObserver.MODIFY:
parse = "file modified";
break;
case FileObserver.CLOSE_WRITE:
parse = "file closed/writen";
break;
case FileObserver.ACCESS:
//parse = "file accessed";
break;
case FileObserver.DELETE:
parse = "file deleted";
break;
case FileObserver.OPEN:
//parse = "file opened";
break;
case FileObserver.CLOSE_NOWRITE:
//parse = "file closed/not writen";
break;
case FileObserver.ATTRIB:
parse = "file attribs changed";
break;
}
if(parse != null) {
Logger.d(LOG, String.format("EVENT %d ON %s: %s", event, path, parse));
//lsof_r1(path);
ILogPack logPack = new ILogPack();
logPack.put(Keys.FILE_EFFECTED, path);
logPack.put(Keys.ACCESS_TYPE, parse);
logPack.put(Keys.ACCESS_CODE, event);
DeviceSucker.this.sendToBuffer(logPack);
}
}