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package dk.thoerup.traininfo; |
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import static dk.thoerup.traininfo.R.string.generic_cancel; |
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import static dk.thoerup.traininfo.R.string.generic_retry; |
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import static dk.thoerup.traininfo.R.string.timetablelist_fetchdata; |
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import static dk.thoerup.traininfo.R.string.timetablelist_fetcherror; |
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import static dk.thoerup.traininfo.R.string.timetablelist_nodata; |
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import java.util.regex.Pattern; |
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import android.app.AlertDialog; |
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import android.app.Dialog; |
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import android.app.ListActivity; |
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import android.app.ProgressDialog; |
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import android.content.DialogInterface; |
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import android.content.Intent; |
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import android.os.AsyncTask; |
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import android.os.Bundle; |
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import android.util.Log; |
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import android.view.View; |
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import android.widget.ListView; |
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import android.widget.TextView; |
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import dk.thoerup.android.traininfo.common.DepartureEntry; |
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import dk.thoerup.android.traininfo.common.StationBean.StationEntry; |
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import dk.thoerup.android.traininfo.common.TimetableBean; |
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import dk.thoerup.android.traininfo.common.TimetableEntry; |
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import dk.thoerup.traininfo.provider.ProviderFactory; |
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import dk.thoerup.traininfo.provider.TimetableProvider; |
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import dk.thoerup.traininfo.util.MessageBox; |
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public class TimetableList extends ListActivity { |
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private static final int DLG_PROGRESS = 8000; |
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DepartureEntry departure; |
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TimetableListAdapter adapter; |
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TimetableFetcher fetcher; |
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TimetableBean timetables; |
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int commFailCounter = 0; |
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TimetableProvider provider; |
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@Override |
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protected void onCreate(Bundle savedInstanceState) { |
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super.onCreate(savedInstanceState); |
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setContentView(R.layout.timetablelist); |
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provider = ProviderFactory.getTimetableProvider(); |
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adapter = new TimetableListAdapter(this); |
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setListAdapter(adapter); |
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Intent launchedBy = getIntent(); |
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departure = (DepartureEntry) launchedBy.getSerializableExtra("departure"); |
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((TextView)findViewById(R.id.Train)).setText(departure.getTrainNumber()); |
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((TextView)findViewById(R.id.Location)).setText(departure.getLocation()); |
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((TextView)findViewById(R.id.Updated)).setText( getLastUpdateString( departure.getUpdated() )); |
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String status = departure.getStatus() != null ? departure.getStatus() : ""; |
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if ( Pattern.matches("[0-9]+.+min", status) ) { |
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status += " " + this.getString(R.string.departurebean_delayed); |
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} |
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String note = departure.getNote() != null ? departure.getNote() : ""; |
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note = note.replace("Aflyst", this.getString(R.string.timetablelist_cancelled) ); |
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note = note.replace("Kører kun til", this.getString(R.string.timetablelist_goesonlyto) ); |
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note = note.replace("Afgår fra", this.getString(R.string.timetablelist_startsat) ); |
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note = note.replace("Erstattet af", this.getString(R.string.timetablelist_replacedby) ); |
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note = note.replace("Eksterne forhold", this.getString(R.string.timetablelist_externalconditions) ); |
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note = note.replace("Teknisk fejl på et signal", this.getString(R.string.timetablelist_technicalerroronsignal) ); |
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note = note.replace("Materielforhold", this.getString(R.string.timetablelist_equipmentcircumstances) ); |
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((TextView)findViewById(R.id.Status)).setText(status); |
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((TextView)findViewById(R.id.Note)).setText(note); |
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ProviderFactory.purgeOldEntries(); //cleanup before fetching more data |
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if (savedInstanceState == null) { |
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startTimetableFetcher(); |
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} else { |
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timetables = (TimetableBean) savedInstanceState.getSerializable("timetables"); |
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adapter.setTimetable(timetables); |
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} |
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} |
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@Override |
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protected void onDestroy() { |
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super.onDestroy(); |
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if (fetcher != null) { |
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fetcher.cancel(true); |
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} |
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} |
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@Override |
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protected void onListItemClick(ListView l, View v, int position, long id) { |
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super.onListItemClick(l, v, position, id); |
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TimetableEntry tt = timetables.entries.get(position); |
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StationEntry station = new StationEntry(); |
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station.setName( tt.getStation() ); |
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station.setId( tt.getStationId() ); |
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station.setIsRegional(true); |
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Intent intent = new Intent(this, DepartureList.class); |
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intent.putExtra("stationbean", station); |
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startActivity(intent); |
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} |
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@Override |
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public void onSaveInstanceState(Bundle outState) |
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{ |
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dismissDialog(DLG_PROGRESS); |
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outState.putSerializable("timetables", (TimetableBean) timetables); |
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} |
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@Override |
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protected void onPrepareDialog(int id, Dialog dialog) { |
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super.onPrepareDialog(id, dialog); |
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switch (id) { |
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case DLG_PROGRESS: |
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//pgDialog = (ProgressDialog) dialog; |
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break; |
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} |
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} |
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@Override |
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protected Dialog onCreateDialog(int id) { |
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switch (id) { |
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case DLG_PROGRESS: |
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ProgressDialog dlg = new ProgressDialog(this); |
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dlg.setMessage( getString(timetablelist_fetchdata) ); |
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dlg.setCancelable(true); |
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return dlg; |
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default: |
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return super.onCreateDialog(id); |
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} |
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} |
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void startTimetableFetcher() { |
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showDialog(DLG_PROGRESS); |
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fetcher = new TimetableFetcher(); |
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fetcher.execute(departure.getType(), departure.getTrainNumber()); |
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} |
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public String getLastUpdateString(int lastUpdate) { |
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String minutes = this.getString(R.string.departurebean_minutes); |
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String unknown = this.getString(R.string.departurebean_unknown); |
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switch (lastUpdate) { |
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case 1: |
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return "<3 " + minutes; |
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case 2: |
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return "3-10 " + minutes; |
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case 3: |
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return ">3 " + minutes; |
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case 4: |
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return unknown; |
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default: |
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return ""; |
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} |
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} |
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class TimetableFetcher extends AsyncTask<String,Void,Void> { |
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@Override |
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protected void onPostExecute(Void result) { |
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super.onPostExecute(result); |
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dismissDialog(DLG_PROGRESS); |
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//TODO: differentiate between a communication error and a downed bane.dk site |
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if (timetables != null) { |
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commFailCounter = 0; |
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TimetableList.this.getListView().invalidateViews(); |
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adapter.setTimetable(timetables); |
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if (timetables.entries.size() == 0) { |
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MessageBox.showMessage(TimetableList.this, getString(timetablelist_nodata), true); |
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} |
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} else { // communication or parse error |
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commFailCounter++; |
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AlertDialog.Builder builder = new AlertDialog.Builder(TimetableList.this); |
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builder.setMessage(getString(timetablelist_fetcherror)); |
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builder.setCancelable(true); |
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if (commFailCounter < 3) { |
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builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() { |
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public void onClick(DialogInterface dialog, int id) { |
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dialog.dismiss(); |
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startTimetableFetcher(); |
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} |
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}); |
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} |
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builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() { |
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public void onClick(DialogInterface dialog, int id) { |
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dialog.dismiss(); |
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TimetableList.this.finish(); |
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} |
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}); |
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try { |
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builder.show(); |
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} catch (android.view.WindowManager.BadTokenException e) { |
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Log.i("TimetableList", "BadTokenException"); // this can happen if the user switched away from this activity, while doInBackground was running |
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} |
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} |
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} |
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@Override |
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protected Void doInBackground(String... arg0) { |
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String type = arg0[0]; |
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String trainID = arg0[1]; |
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timetables = provider.lookupTimetable(type, trainID); |
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return null; |
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} |
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} |
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} |