-package de.dhbwloe.campusapp;
-
-import android.app.Activity;
-import android.content.Intent;
-import android.util.Log;
-
-import com.loopj.android.http.AsyncHttpClient;
-import com.loopj.android.http.AsyncHttpResponseHandler;
-import com.loopj.android.http.RequestParams;
-
-import java.io.BufferedReader;
-import java.io.BufferedWriter;
-import java.io.FileReader;
-import java.io.FileWriter;
-import java.io.IOException;
-import java.io.PrintWriter;
-import java.io.StringWriter;
-import java.io.Writer;
-import java.text.SimpleDateFormat;
-import java.util.ArrayList;
-import java.util.Date;
-import java.util.List;
-
-import cz.msebera.android.httpclient.Header;
-
-/**
- * Created by pk910 on 11.03.2016.
- */
-public class CampusAppExceptionHandler {
- private static String CRASHLOG_UPLOAD = "http://dev.pk910.de/DHBWCampusCourses";
- private String localPath;
-
- private static boolean crashLogWindowOpened = false;
- private static final Object crashWindowLock = new Object();
-
- public void handleUncaughtException(Thread thread, Throwable e) {
- // automatically send crash log to my server for debuggging.
- // disable this for productive use! (CampusAppContext.DEBUG)
-
- synchronized (crashWindowLock) {
- if(crashLogWindowOpened)
- return;
- crashLogWindowOpened = true;
- }
-
- final Writer result = new StringWriter();
- final PrintWriter printWriter = new PrintWriter(result);
- e.printStackTrace(printWriter);
- String stacktrace = result.toString();
- printWriter.close();
-
- SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMdd-HHmmss");
- String crashdate = dateFormat.format(new Date());
- String filename = crashdate + ".stacktrace";
-
- CampusAppContext context;
- Activity mainActivity = null;
- try {
- /*Wir greifen nun auf einen Code zurück, aus welchem die unbehandelte Exception stammt.
- * Dies ist womöglich keine gute Idee, daher müssen wir sämmtliche Exceptions abfangen und verwerfen (Exception inception :D)
- * und hoffen, dass die App noch so weit "funktioniert" ;)
- */
- context = CampusAppContext.getInstance();
-
- if(context != null) {
- mainActivity = context.getMainActivity();
- }
- if(mainActivity != null) {
- localPath = mainActivity.getApplicationContext().getFilesDir().getAbsolutePath();
- }
- } catch (Exception ex) {}
-
- if(localPath != null)
- writeToFile(stacktrace, filename);
-
- // start crash screen
- try {
- Intent intent = new Intent();
- intent.setAction("de.dhbw.campusapp.CRASH_LOG");
- intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); // required when starting from Application
- intent.putExtra("crashdate", crashdate);
- mainActivity.startActivity(intent);
- } catch (Exception ex) {
- }
- }
-
- private void writeToFile(String stacktrace, String filename) {
- try {
- BufferedWriter bos = new BufferedWriter(new FileWriter(
- localPath + "/" + filename));
- bos.write(stacktrace);
- bos.flush();
- bos.close();
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
-
-
- public interface PostProcessingCallback {
- public void onPostProcessFinished(String response);
- }
-
- public String getCrashStacktrace(Activity crashLogScreen, String crashdate) {
- localPath = crashLogScreen.getApplicationContext().getFilesDir().getAbsolutePath();
- String fileName = localPath + "/" + crashdate + ".stacktrace";
- StringBuilder stackTrace = new StringBuilder();
-
- try {
- BufferedReader br = new BufferedReader(new FileReader(fileName));
- String line;
-
- while ((line = br.readLine()) != null) {
- stackTrace.append(line);
- stackTrace.append('\n');
- }
- br.close();
- }
- catch (IOException e) {
- //You'll need to add proper error handling here
- }
- return stackTrace.toString();
- }
-
- public void postprocessException(String crashdate, String stacktrace, PostProcessingCallback callback) {
- sendToServer(CRASHLOG_UPLOAD, stacktrace, crashdate, callback);
- }
-
- private void sendToServer(String url, String stacktrace, String crashdate, final PostProcessingCallback callback) {
- AsyncHttpClient client = new AsyncHttpClient();
- RequestParams params = new RequestParams();
- params.add("stacktrace", stacktrace);
- params.add("crashdate", crashdate);
-
- client.post(url, params, new AsyncHttpResponseHandler() {
-
- @Override
- public void onSuccess(int statusCode, Header[] headers, byte[] responseBody) {
- callback.onPostProcessFinished((responseBody != null ? new String(responseBody) : null));
- }
-
- @Override
- public void onFailure(int statusCode, Header[] headers, byte[] responseBody, Throwable error) {
- callback.onPostProcessFinished("Failed: "+(responseBody != null ? new String(responseBody) : null));
- }
- });
- }
-
-}