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Merge pull request #257 from dronekit/improvement_write_log_to_file
Improvement write log to file
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140 changes: 140 additions & 0 deletions
140
ServiceApp/src/org/droidplanner/services/android/utils/LogToFileTree.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,140 @@ | ||
| package org.droidplanner.services.android.utils; | ||
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| import android.content.Context; | ||
| import android.content.pm.PackageInfo; | ||
| import android.content.pm.PackageManager; | ||
| import android.util.Log; | ||
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| import org.droidplanner.services.android.BuildConfig; | ||
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| import java.io.File; | ||
| import java.io.FileOutputStream; | ||
| import java.io.IOException; | ||
| import java.io.PrintStream; | ||
| import java.text.SimpleDateFormat; | ||
| import java.util.Date; | ||
| import java.util.Locale; | ||
| import java.util.concurrent.LinkedBlockingQueue; | ||
| import java.util.concurrent.atomic.AtomicBoolean; | ||
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| import timber.log.Timber; | ||
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| /** | ||
| * Timber Tree to log specific log levels to a file | ||
| */ | ||
| public class LogToFileTree extends Timber.DebugTree { | ||
| private static final SimpleDateFormat LOG_DATE_FORMAT = new SimpleDateFormat("MM-dd HH:mm:ss.SSS", Locale.US); | ||
| private static final SimpleDateFormat FILE_DATE_FORMAT = new SimpleDateFormat("yyyy_MM_dd_HH_mm", Locale.US); | ||
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| private final LinkedBlockingQueue<String> logQueue = new LinkedBlockingQueue<>(); | ||
| private PrintStream logOutputFile; | ||
| private Thread dequeueThread; | ||
| private final AtomicBoolean isRunning = new AtomicBoolean(false); | ||
| private final Date date = new Date(); | ||
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| @Override | ||
| protected void log(int priority, String tag, String message, Throwable t) { | ||
| super.log(priority, tag, message, t); | ||
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| if (isLoggableToFile(priority)) { | ||
| String logOutput = getLogMessage(priority, tag, message); | ||
| logQueue.add(logOutput); | ||
| } | ||
| } | ||
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| private boolean isLoggableToFile(int priority) { | ||
| return priority >= BuildConfig.LOG_FILE_LEVEL; | ||
| } | ||
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| private String getLogMessage(int priority, String tag, String message) { | ||
| String priorityShort = getPriorityString(priority); | ||
| date.setTime(System.currentTimeMillis()); | ||
| return String.format("%s %s/%s : %s", LOG_DATE_FORMAT.format(date), priorityShort, tag, message); | ||
| } | ||
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| private String getPriorityString(int priority) { | ||
| String priorityString = null; | ||
| switch (priority) { | ||
| case Log.ASSERT: | ||
| priorityString = "ASSERT"; | ||
| break; | ||
| case Log.ERROR: | ||
| priorityString = "E"; | ||
| break; | ||
| case Log.WARN: | ||
| priorityString = "W"; | ||
| break; | ||
| case Log.INFO: | ||
| priorityString = "I"; | ||
| break; | ||
| case Log.DEBUG: | ||
| priorityString = "D"; | ||
| break; | ||
| case Log.VERBOSE: | ||
| priorityString = "V"; | ||
| break; | ||
| default: | ||
| priorityString = ""; | ||
| break; | ||
| } | ||
| return priorityString; | ||
| } | ||
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| public void createFileStartLogging(final Context context) { | ||
| if (dequeueThread != null && dequeueThread.isAlive()) { | ||
| stopLoggingThread(); | ||
| } | ||
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| dequeueThread = new Thread(new Runnable() { | ||
| public void run() { | ||
| PackageInfo pInfo; | ||
| String version = ""; | ||
| try { | ||
| pInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), 0); | ||
| version = pInfo.versionName; | ||
| } catch (PackageManager.NameNotFoundException e) { | ||
| Timber.w("Failed to get package info"); | ||
| } | ||
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| File rootDir = context.getExternalFilesDir(null); | ||
| File dir = new File(rootDir, "/log_cat/"); | ||
| dir.mkdirs(); | ||
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| String fileName = String.format("%s_%s.log", version, FILE_DATE_FORMAT.format(new Date())); | ||
| File logFile = new File(dir, fileName); | ||
| try { | ||
| logOutputFile = new PrintStream(new FileOutputStream(logFile, true)); | ||
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| while (isRunning.get()) { | ||
| try { | ||
| String message = logQueue.take(); | ||
| logOutputFile.println(message); | ||
| } catch (InterruptedException e) { | ||
| Timber.w("Failed to receive message from logQueue"); | ||
| } | ||
| } | ||
|
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| } catch (IOException e) { | ||
| Timber.w("Failed to open file"); | ||
| } finally { | ||
| isRunning.set(false); | ||
| if (logOutputFile != null) { | ||
| logOutputFile.close(); | ||
| } | ||
| } | ||
| } | ||
| }); | ||
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| isRunning.set(true); | ||
| dequeueThread.start(); | ||
| } | ||
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| public void stopLoggingThread() { | ||
| if (dequeueThread != null) { | ||
| isRunning.set(false); | ||
| dequeueThread.interrupt(); | ||
| dequeueThread = null; | ||
| } | ||
| } | ||
|
|
||
| } |
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