Estimated arrival display in progress

--HG--
branch : estarrival

.classpath

@@ -5,6 +5,7 @@
 	<classpathentry kind="con" path="com.android.ide.eclipse.adt.ANDROID_FRAMEWORK"/>
 	<classpathentry kind="lib" path="libs/commons-io-2.0.1.jar"/>
 	<classpathentry kind="lib" path="libs/commons-lang3-3.1.jar"/>
-	<classpathentry kind="con" path="com.android.ide.eclipse.adt.LIBRARIES"/>
+	<classpathentry kind="lib" path="libs/android-support-v4.jar"/>
+	<classpathentry exported="true" kind="con" path="com.android.ide.eclipse.adt.LIBRARIES"/>
 	<classpathentry kind="output" path="bin/classes"/>
 </classpath>

res/layout/departure_listing.xml

@@ -43,9 +43,10 @@
         android:layout_below="@id/topRow"
         android:src="@drawable/xfer" />
 
-    <TextView
+    <TextSwitcher
         android:id="@+id/trainLengthText"
-        style="@style/DepartureTrainLengthText"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
         android:layout_below="@id/topRow"
         android:layout_toRightOf="@id/destinationColorBar" />
 

res/layout/train_length_arrival_textview.xml

@@ -0,0 +1,3 @@
+<?xml version="1.0" encoding="utf-8"?>
+<TextView xmlns:android="http://schemas.android.com/apk/res/android"
+    style="@style/DepartureTrainLengthText" />

src/com/dougkeen/bart/AddRouteActivity.java

@@ -1,6 +1,8 @@
 package com.dougkeen.bart;
 
 import com.dougkeen.bart.data.RoutesColumns;
+import com.dougkeen.bart.model.Constants;
+import com.dougkeen.bart.model.Station;
 
 import android.app.Activity;
 import android.content.ContentValues;

src/com/dougkeen/bart/DepartureArrayAdapter.java

@@ -8,12 +8,15 @@ import android.graphics.drawable.GradientDrawable;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.view.animation.AnimationUtils;
 import android.widget.ArrayAdapter;
 import android.widget.ImageView;
 import android.widget.RelativeLayout;
+import android.widget.TextSwitcher;
 import android.widget.TextView;
+import android.widget.ViewSwitcher.ViewFactory;
 
-import com.dougkeen.bart.data.Departure;
+import com.dougkeen.bart.model.Departure;
 
 public class DepartureArrayAdapter extends ArrayAdapter<Departure> {
 
@@ -46,6 +49,8 @@ public class DepartureArrayAdapter extends ArrayAdapter<Departure> {
 		super(context, textViewResourceId);
 	}
 
+	private String currentViewSwitcherText;
+
 	@Override
 	public View getView(int position, View convertView, ViewGroup parent) {
 		View view;
@@ -59,8 +64,27 @@ public class DepartureArrayAdapter extends ArrayAdapter<Departure> {
 		Departure departure = getItem(position);
 		((TextView) view.findViewById(R.id.destinationText)).setText(departure
 				.getDestination().toString());
-		((TextView) view.findViewById(R.id.trainLengthText)).setText(departure
-				.getTrainLengthText());
+
+		TextSwitcher textSwitcher = (TextSwitcher) view
+				.findViewById(R.id.trainLengthText);
+		initTextSwitcher(textSwitcher);
+
+		if (System.currentTimeMillis() % 6000 > 3000) {
+			String trainLengthText = departure.getTrainLengthText();
+			if (currentViewSwitcherText == null
+					|| !currentViewSwitcherText.equals(trainLengthText)) {
+				textSwitcher.setText(trainLengthText);
+				currentViewSwitcherText = trainLengthText;
+			}
+		} else {
+			String arrivalText = "Est. arrival "
+					+ departure.getEstimatedArrivalTimeText(getContext());
+			if (currentViewSwitcherText == null
+					|| !currentViewSwitcherText.equals(arrivalText)) {
+				textSwitcher.setText(arrivalText);
+				currentViewSwitcherText = arrivalText;
+			}
+		}
 		ImageView colorBar = (ImageView) view
 				.findViewById(R.id.destinationColorBar);
 		((GradientDrawable) colorBar.getDrawable()).setColor(Color
@@ -87,4 +111,19 @@ public class DepartureArrayAdapter extends ArrayAdapter<Departure> {
 		return view;
 	}
 
+	private void initTextSwitcher(TextSwitcher textSwitcher) {
+		if (textSwitcher.getInAnimation() == null) {
+			textSwitcher.setFactory(new ViewFactory() {
+				public View makeView() {
+					return LayoutInflater.from(getContext()).inflate(
+							R.layout.train_length_arrival_textview, null);
+				}
+			});
+
+			textSwitcher.setInAnimation(AnimationUtils.loadAnimation(
+					getContext(), android.R.anim.slide_in_left));
+			textSwitcher.setOutAnimation(AnimationUtils.loadAnimation(
+					getContext(), android.R.anim.slide_out_right));
+		}
+	}
 }

src/com/dougkeen/bart/RoutesListActivity.java

@@ -29,6 +29,9 @@ import android.widget.TextView;
 
 import com.dougkeen.bart.data.CursorUtils;
 import com.dougkeen.bart.data.RoutesColumns;
+import com.dougkeen.bart.model.Constants;
+import com.dougkeen.bart.model.Station;
+import com.dougkeen.bart.networktasks.GetRouteFareTask;
 
 public class RoutesListActivity extends ListActivity {
 	private static final TimeZone PACIFIC_TIME = TimeZone
@@ -51,7 +54,9 @@ public class RoutesListActivity extends ListActivity {
 		mQuery = managedQuery(Constants.FAVORITE_CONTENT_URI, new String[] {
 				RoutesColumns._ID.string, RoutesColumns.FROM_STATION.string,
 				RoutesColumns.TO_STATION.string, RoutesColumns.FARE.string,
-				RoutesColumns.FARE_LAST_UPDATED.string }, null, null,
+				RoutesColumns.FARE_LAST_UPDATED.string,
+				RoutesColumns.AVERAGE_TRIP_SAMPLE_COUNT.string,
+				RoutesColumns.AVERAGE_TRIP_LENGTH.string }, null, null,
 				RoutesColumns._ID.string);
 
 		refreshFares();

src/com/dougkeen/bart/ViewDeparturesActivity.java

@@ -3,6 +3,7 @@ package com.dougkeen.bart;
 import java.util.List;
 
 import android.app.ListActivity;
+import android.content.ContentValues;
 import android.content.Context;
 import android.content.Intent;
 import android.database.Cursor;
@@ -22,10 +23,16 @@ import android.widget.ArrayAdapter;
 import android.widget.TextView;
 import android.widget.Toast;
 
-import com.dougkeen.bart.GetRealTimeDeparturesTask.Params;
-import com.dougkeen.bart.data.Departure;
-import com.dougkeen.bart.data.RealTimeDepartures;
 import com.dougkeen.bart.data.RoutesColumns;
+import com.dougkeen.bart.model.Constants;
+import com.dougkeen.bart.model.Departure;
+import com.dougkeen.bart.model.ScheduleInformation;
+import com.dougkeen.bart.model.ScheduleItem;
+import com.dougkeen.bart.model.StationPair;
+import com.dougkeen.bart.model.RealTimeDepartures;
+import com.dougkeen.bart.model.Station;
+import com.dougkeen.bart.networktasks.GetRealTimeDeparturesTask;
+import com.dougkeen.bart.networktasks.GetScheduleInformationTask;
 
 public class ViewDeparturesActivity extends ListActivity {
 
@@ -35,12 +42,17 @@ public class ViewDeparturesActivity extends ListActivity {
 
 	private Station mOrigin;
 	private Station mDestination;
+	private int mAverageTripLength;
+	private int mAverageTripSampleCount;
 
 	private ArrayAdapter<Departure> mDeparturesAdapter;
 
+	private ScheduleInformation mLatestScheduleInfo;
+
 	private TextView mListTitleView;
 
-	private AsyncTask<Params, Integer, RealTimeDepartures> mGetDeparturesTask;
+	private AsyncTask<StationPair, Integer, RealTimeDepartures> mGetDeparturesTask;
+	private AsyncTask<StationPair, Integer, ScheduleInformation> mGetScheduleInformationTask;
 
 	private boolean mIsAutoUpdating = false;
 
@@ -52,7 +64,8 @@ public class ViewDeparturesActivity extends ListActivity {
 
 	private PowerManager.WakeLock mWakeLock;
 
-	private boolean mDataFetchIsPending;
+	private boolean mDepartureFetchIsPending;
+	private boolean mScheduleFetchIsPending;
 
 	@Override
 	protected void onCreate(Bundle savedInstanceState) {
@@ -69,13 +82,18 @@ public class ViewDeparturesActivity extends ListActivity {
 
 		Cursor cursor = managedQuery(mUri, new String[] {
 				RoutesColumns.FROM_STATION.string,
-				RoutesColumns.TO_STATION.string }, null, null, null);
+				RoutesColumns.TO_STATION.string,
+				RoutesColumns.AVERAGE_TRIP_LENGTH.string,
+				RoutesColumns.AVERAGE_TRIP_SAMPLE_COUNT.string }, null, null,
+				null);
 
 		if (!cursor.moveToFirst()) {
 			throw new IllegalStateException("URI not found: " + mUri.toString());
 		}
 		mOrigin = Station.getByAbbreviation(cursor.getString(0));
 		mDestination = Station.getByAbbreviation(cursor.getString(1));
+		mAverageTripLength = cursor.getInt(2);
+		mAverageTripSampleCount = cursor.getInt(3);
 
 		String header = "Departures:\n" + mOrigin.name + " to "
 				+ mDestination.name;
@@ -114,7 +132,11 @@ public class ViewDeparturesActivity extends ListActivity {
 	private void cancelDataFetch() {
 		if (mGetDeparturesTask != null) {
 			mGetDeparturesTask.cancel(true);
-			mDataFetchIsPending = false;
+			mDepartureFetchIsPending = false;
+		}
+		if (mGetScheduleInformationTask != null) {
+			mGetScheduleInformationTask.cancel(true);
+			mScheduleFetchIsPending = false;
 		}
 	}
 
@@ -132,7 +154,7 @@ public class ViewDeparturesActivity extends ListActivity {
 	public void onWindowFocusChanged(boolean hasFocus) {
 		super.onWindowFocusChanged(hasFocus);
 		if (hasFocus) {
-			if (!mDataFetchIsPending) {
+			if (!mDepartureFetchIsPending) {
 				fetchLatestDepartures();
 			}
 			PowerManager powerManager = (PowerManager) getSystemService(Context.POWER_SERVICE);
@@ -162,7 +184,7 @@ public class ViewDeparturesActivity extends ListActivity {
 		mGetDeparturesTask = new GetRealTimeDeparturesTask() {
 			@Override
 			public void onResult(RealTimeDepartures result) {
-				mDataFetchIsPending = false;
+				mDepartureFetchIsPending = false;
 				Log.i(Constants.TAG, "Processing data from server");
 				processLatestDepartures(result);
 				Log.i(Constants.TAG, "Done processing data from server");
@@ -170,19 +192,55 @@ public class ViewDeparturesActivity extends ListActivity {
 
 			@Override
 			public void onError(Exception e) {
-				mDataFetchIsPending = false;
+				mDepartureFetchIsPending = false;
 				Log.w(Constants.TAG, e.getMessage(), e);
 				Toast.makeText(ViewDeparturesActivity.this,
 						R.string.could_not_connect, Toast.LENGTH_LONG).show();
 				((TextView) findViewById(android.R.id.empty))
 						.setText(R.string.could_not_connect);
 				// Try again in 60s
-				scheduleDataFetch(60000);
+				scheduleDepartureFetch(60000);
 			}
 		};
 		Log.i(Constants.TAG, "Fetching data from server");
-		mGetDeparturesTask.execute(new GetRealTimeDeparturesTask.Params(
-				mOrigin, mDestination));
+		mGetDeparturesTask.execute(new StationPair(mOrigin, mDestination));
+	}
+
+	private void fetchLatestSchedule() {
+		if (!hasWindowFocus())
+			return;
+		if (mGetScheduleInformationTask != null
+				&& mGetScheduleInformationTask.getStatus().equals(
+						AsyncTask.Status.RUNNING)) {
+			// Don't overlap fetches
+			return;
+		}
+
+		mGetScheduleInformationTask = new GetScheduleInformationTask() {
+			@Override
+			public void onResult(ScheduleInformation result) {
+				mScheduleFetchIsPending = false;
+				Log.i(Constants.TAG, "Processing data from server");
+				mLatestScheduleInfo = result;
+				applyScheduleInformation();
+				Log.i(Constants.TAG, "Done processing data from server");
+			}
+
+			@Override
+			public void onError(Exception e) {
+				mScheduleFetchIsPending = false;
+				Log.w(Constants.TAG, e.getMessage(), e);
+				Toast.makeText(ViewDeparturesActivity.this,
+						R.string.could_not_connect, Toast.LENGTH_LONG).show();
+				((TextView) findViewById(android.R.id.empty))
+						.setText(R.string.could_not_connect);
+				// Try again in 60s
+				scheduleScheduleInfoFetch(60000);
+			}
+		};
+		Log.i(Constants.TAG, "Fetching data from server");
+		mGetScheduleInformationTask.execute(new StationPair(mOrigin,
+				mDestination));
 	}
 
 	protected void processLatestDepartures(RealTimeDepartures result) {
@@ -238,11 +296,12 @@ public class ViewDeparturesActivity extends ListActivity {
 			needsBetterAccuracy = true;
 		}
 		mDeparturesAdapter.notifyDataSetChanged();
+		requestScheduleIfNecessary();
 
 		if (hasWindowFocus() && firstDeparture != null) {
 			if (needsBetterAccuracy || firstDeparture.hasDeparted()) {
 				// Get more data in 20s
-				scheduleDataFetch(20000);
+				scheduleDepartureFetch(20000);
 			} else {
 				// Get more 90 seconds before next train arrives, right when
 				// next train arrives, or 3 minutes, whichever is sooner
@@ -262,7 +321,7 @@ public class ViewDeparturesActivity extends ListActivity {
 					interval = 20000;
 				}
 
-				scheduleDataFetch(interval);
+				scheduleDepartureFetch(interval);
 			}
 			if (!mIsAutoUpdating) {
 				mIsAutoUpdating = true;
@@ -272,15 +331,99 @@ public class ViewDeparturesActivity extends ListActivity {
 		}
 	}
 
-	private void scheduleDataFetch(int millisUntilExecute) {
-		if (!mDataFetchIsPending) {
+	private void requestScheduleIfNecessary() {
+		if (mDeparturesAdapter.getCount() == 0) {
+			return;
+		}
+
+		if (mLatestScheduleInfo == null) {
+			fetchLatestSchedule();
+			return;
+		}
+
+		Departure lastDeparture = mDeparturesAdapter.getItem(mDeparturesAdapter
+				.getCount() - 1);
+		if (mLatestScheduleInfo.getLatestDepartureTime() < lastDeparture
+				.getMeanEstimate()) {
+			fetchLatestSchedule();
+			return;
+		}
+	}
+
+	private void applyScheduleInformation() {
+		int localAverageLength = mLatestScheduleInfo.getAverageTripLength();
+
+		int departuresCount = mDeparturesAdapter.getCount();
+		int lastSearchIndex = 0;
+		int tripCount = mLatestScheduleInfo.getTrips().size();
+		boolean departureUpdated = false;
+		for (int departureIndex = 0; departureIndex < departuresCount; departureIndex++) {
+			Departure departure = mDeparturesAdapter.getItem(departureIndex);
+			for (int i = lastSearchIndex; i < tripCount; i++) {
+				ScheduleItem trip = mLatestScheduleInfo.getTrips().get(i);
+				long departTimeDiff = Math.abs(trip.getDepartureTime()
+						- departure.getMeanEstimate());
+				if (departTimeDiff <= (60000 + departure
+						.getUncertaintySeconds() * 1000)
+						&& departure.getEstimatedTripTime() != trip
+								.getTripLength()) {
+					departure.setEstimatedTripTime(trip.getTripLength());
+					lastSearchIndex = i;
+					departureUpdated = true;
+					break;
+				}
+			}
+			if (!departure.hasEstimatedTripTime() && localAverageLength > 0) {
+				departure.setEstimatedTripTime(localAverageLength);
+			} else if (!departure.hasEstimatedTripTime()) {
+				departure.setEstimatedTripTime(mAverageTripLength);
+			}
+		}
+
+		if (departureUpdated) {
+			mDeparturesAdapter.notifyDataSetChanged();
+		}
+
+		// Update global average
+		if (mLatestScheduleInfo.getTripCountForAverage() > 0) {
+			int newAverageSampleCount = mAverageTripSampleCount
+					+ mLatestScheduleInfo.getTripCountForAverage();
+			int newAverage = (mAverageTripLength * mAverageTripSampleCount + localAverageLength
+					* mLatestScheduleInfo.getTripCountForAverage())
+					/ newAverageSampleCount;
+
+			ContentValues contentValues = new ContentValues();
+			contentValues.put(RoutesColumns.AVERAGE_TRIP_LENGTH.string,
+					newAverage);
+			contentValues.put(RoutesColumns.AVERAGE_TRIP_SAMPLE_COUNT.string,
+					newAverageSampleCount);
+
+			getContentResolver().update(mUri, contentValues, null, null);
+		}
+	}
+
+	private void scheduleDepartureFetch(int millisUntilExecute) {
+		if (!mDepartureFetchIsPending) {
 			mListTitleView.postDelayed(new Runnable() {
 				public void run() {
 					fetchLatestDepartures();
 				}
 			}, millisUntilExecute);
-			mDataFetchIsPending = true;
-			Log.i(Constants.TAG, "Scheduled another data fetch in "
+			mDepartureFetchIsPending = true;
+			Log.i(Constants.TAG, "Scheduled another departure fetch in "
+					+ millisUntilExecute / 1000 + "s");
+		}
+	}
+
+	private void scheduleScheduleInfoFetch(int millisUntilExecute) {
+		if (!mScheduleFetchIsPending) {
+			mListTitleView.postDelayed(new Runnable() {
+				public void run() {
+					fetchLatestSchedule();
+				}
+			}, millisUntilExecute);
+			mScheduleFetchIsPending = true;
+			Log.i(Constants.TAG, "Scheduled another schedule fetch in "
 					+ millisUntilExecute / 1000 + "s");
 		}
 	}

src/com/dougkeen/bart/data/BartContentProvider.java

@@ -2,7 +2,7 @@ package com.dougkeen.bart.data;
 
 import java.util.HashMap;
 
-import com.dougkeen.bart.Constants;
+import com.dougkeen.bart.model.Constants;
 
 import android.content.ContentProvider;
 import android.content.ContentUris;
@@ -45,6 +45,10 @@ public class BartContentProvider extends ContentProvider {
 				RoutesColumns.FARE.string);
 		sFavoritesProjectionMap.put(RoutesColumns.FARE_LAST_UPDATED.string,
 				RoutesColumns.FARE_LAST_UPDATED.string);
+		sFavoritesProjectionMap.put(RoutesColumns.AVERAGE_TRIP_SAMPLE_COUNT.string,
+				RoutesColumns.AVERAGE_TRIP_SAMPLE_COUNT.string);
+		sFavoritesProjectionMap.put(RoutesColumns.AVERAGE_TRIP_LENGTH.string,
+				RoutesColumns.AVERAGE_TRIP_LENGTH.string);
 	}
 
 	private DatabaseHelper mDatabaseHelper;

src/com/dougkeen/bart/data/DatabaseHelper.java

@@ -15,7 +15,7 @@ import android.util.Log;
 public class DatabaseHelper extends SQLiteOpenHelper {
 
 	private static final String DATABASE_NAME = "bart.dougkeen.db";
-	private static final int DATABASE_VERSION = 2;
+	private static final int DATABASE_VERSION = 4;
 
 	public static final String FAVORITES_TABLE_NAME = "Favorites";
 
@@ -34,7 +34,9 @@ public class DatabaseHelper extends SQLiteOpenHelper {
 				+ RoutesColumns.FROM_STATION.getColumnDef() + ", "
 				+ RoutesColumns.TO_STATION.getColumnDef() + ", "
 				+ RoutesColumns.FARE.getColumnDef() + ", "
-				+ RoutesColumns.FARE_LAST_UPDATED.getColumnDef() + ");");
+				+ RoutesColumns.FARE_LAST_UPDATED.getColumnDef() + ", "
+				+ RoutesColumns.AVERAGE_TRIP_SAMPLE_COUNT.getColumnDef() + ", "
+				+ RoutesColumns.AVERAGE_TRIP_LENGTH.getColumnDef() + ");");
 	}
 
 	@Override

src/com/dougkeen/bart/data/RoutesColumns.java

@@ -5,7 +5,9 @@ public enum RoutesColumns {
 	FROM_STATION("FROM_STATION", "TEXT", false),
 	TO_STATION("TO_STATION", "TEXT", false),
 	FARE("FARE", "TEXT", true),
-	FARE_LAST_UPDATED("FARE_LAST_UPDATED", "INTEGER", true);
+	FARE_LAST_UPDATED("FARE_LAST_UPDATED", "INTEGER", true),
+	AVERAGE_TRIP_SAMPLE_COUNT("AVE_TRIP_SAMPLE_COUNT", "INTEGER", true),
+	AVERAGE_TRIP_LENGTH("AVE_TRIP_LENGTH", "INTEGER", true);
 
 	
 	// This class cannot be instantiated

src/com/dougkeen/bart/model/Constants.java

@@ -1,4 +1,4 @@
-package com.dougkeen.bart;
+package com.dougkeen.bart.model;
 
 import android.net.Uri;
 
@@ -10,6 +10,6 @@ public class Constants {
 			+ AUTHORITY + "/favorites");
 	public static final String MAP_URL = "http://m.bart.gov/images/global/system-map29.gif";
 
-	public static final String TAG = "BartCatcher";
+	public static final String TAG = "BartRunner";
 	public static final String API_KEY = "5LD9-IAYI-TRAT-MHHW";
 }

src/com/dougkeen/bart/model/Departure.java

@@ -1,10 +1,11 @@
-package com.dougkeen.bart.data;
+package com.dougkeen.bart.model;
 
+import java.util.Date;
+
+import android.content.Context;
 import android.os.Parcel;
 import android.os.Parcelable;
-
-import com.dougkeen.bart.Line;
-import com.dougkeen.bart.Station;
+import android.text.format.DateFormat;
 
 public class Departure implements Parcelable, Comparable<Departure> {
 	private static final int ESTIMATE_EQUALS_TOLERANCE_MILLIS = 59999;
@@ -45,6 +46,8 @@ public class Departure implements Parcelable, Comparable<Departure> {
 	private long minEstimate;
 	private long maxEstimate;
 
+	private int estimatedTripTime;
+
 	public Station getDestination() {
 		return destination;
 	}
@@ -149,6 +152,18 @@ public class Departure implements Parcelable, Comparable<Departure> {
 		this.maxEstimate = maxEstimate;
 	}
 
+	public int getEstimatedTripTime() {
+		return estimatedTripTime;
+	}
+
+	public void setEstimatedTripTime(int estimatedTripTime) {
+		this.estimatedTripTime = estimatedTripTime;
+	}
+
+	public boolean hasEstimatedTripTime() {
+		return this.estimatedTripTime > 0;
+	}
+
 	public int getUncertaintySeconds() {
 		return (int) (maxEstimate - minEstimate + 1000) / 2000;
 	}
@@ -162,8 +177,24 @@ public class Departure implements Parcelable, Comparable<Departure> {
 	}
 
 	public int getMeanSecondsLeft() {
-		return (int) (((getMinEstimate() + getMaxEstimate()) / 2 - System
-				.currentTimeMillis()) / 1000);
+		return (int) ((getMeanEstimate() - System.currentTimeMillis()) / 1000);
+	}
+
+	public long getMeanEstimate() {
+		return (getMinEstimate() + getMaxEstimate()) / 2;
+	}
+
+	public long getEstimatedArrivalTime() {
+		return getMeanEstimate() + getEstimatedTripTime();
+	}
+
+	public String getEstimatedArrivalTimeText(Context context) {
+		if (getEstimatedTripTime() > 0) {
+			return DateFormat.getTimeFormat(context).format(
+					new Date(getEstimatedArrivalTime()));
+		} else {
+			return "";
+		}
 	}
 
 	public boolean hasDeparted() {

src/com/dougkeen/bart/model/Line.java

@@ -1,4 +1,4 @@
-package com.dougkeen.bart;
+package com.dougkeen.bart.model;
 
 import java.util.ArrayList;
 import java.util.Arrays;

src/com/dougkeen/bart/model/RealTimeDepartures.java

@@ -1,11 +1,9 @@
-package com.dougkeen.bart.data;
+package com.dougkeen.bart.model;
 
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 
-import com.dougkeen.bart.Route;
-import com.dougkeen.bart.Station;
 
 public class RealTimeDepartures {
 	public RealTimeDepartures(Station origin, Station destination,

src/com/dougkeen/bart/model/Route.java

@@ -1,4 +1,4 @@
-package com.dougkeen.bart;
+package com.dougkeen.bart.model;
 
 public class Route {
 	private Station origin;

src/com/dougkeen/bart/model/ScheduleInformation.java

@@ -0,0 +1,91 @@
+package com.dougkeen.bart.model;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import android.R.integer;
+
+public class ScheduleInformation {
+
+	public ScheduleInformation(Station origin, Station destination) {
+		super();
+		this.origin = origin;
+		this.destination = destination;
+	}
+
+	private Station origin;
+	private Station destination;
+	private long date;
+	private List<ScheduleItem> trips;
+
+	public Station getOrigin() {
+		return origin;
+	}
+
+	public void setOrigin(Station origin) {
+		this.origin = origin;
+	}
+
+	public Station getDestination() {
+		return destination;
+	}
+
+	public void setDestination(Station destination) {
+		this.destination = destination;
+	}
+
+	public long getDate() {
+		return date;
+	}
+
+	public void setDate(long date) {
+		this.date = date;
+	}
+
+	public List<ScheduleItem> getTrips() {
+		if (trips == null) {
+			trips = new ArrayList<ScheduleItem>();
+		}
+		return trips;
+	}
+
+	public void setTrips(List<ScheduleItem> trips) {
+		this.trips = trips;
+	}
+
+	public void addTrip(ScheduleItem trip) {
+		getTrips().add(trip);
+	}
+
+	public long getLatestDepartureTime() {
+		if (getTrips().isEmpty())
+			return -1;
+		else
+			return getTrips().get(getTrips().size() - 1).getDepartureTime();
+	}
+
+	private int aveTripLength = -1;
+	private int tripCount = 0;
+
+	public int getAverageTripLength() {
+		if (aveTripLength < 0) {
+			int sum = 0;
+			for (ScheduleItem trip : getTrips()) {
+				int tripLength = trip.getTripLength();
+				if (tripLength > 0) {
+					sum += tripLength;
+					tripCount++;
+				}
+			}
+			if (tripCount > 0) {
+				aveTripLength = sum / tripCount;
+			}
+		}
+		return aveTripLength;
+	}
+
+	public int getTripCountForAverage() {
+		getAverageTripLength();
+		return tripCount;
+	}
+}

src/com/dougkeen/bart/model/ScheduleItem.java

@@ -0,0 +1,86 @@
+package com.dougkeen.bart.model;
+
+public class ScheduleItem {
+
+	public ScheduleItem() {
+		super();
+	}
+
+	public ScheduleItem(Station origin, Station destination) {
+		super();
+		this.origin = origin;
+		this.destination = destination;
+	}
+
+	private Station origin;
+	private Station destination;
+	private String fare;
+	private long departureTime;
+	private long arrivalTime;
+	private boolean bikesAllowed;
+	private String trainHeadStation;
+
+	public Station getOrigin() {
+		return origin;
+	}
+
+	public void setOrigin(Station origin) {
+		this.origin = origin;
+	}
+
+	public Station getDestination() {
+		return destination;
+	}
+
+	public void setDestination(Station destination) {
+		this.destination = destination;
+	}
+
+	public String getFare() {
+		return fare;
+	}
+
+	public void setFare(String fare) {
+		this.fare = fare;
+	}
+
+	public long getDepartureTime() {
+		return departureTime;
+	}
+
+	public void setDepartureTime(long departureTime) {
+		this.departureTime = departureTime;
+	}
+
+	public long getArrivalTime() {
+		return arrivalTime;
+	}
+
+	public void setArrivalTime(long arrivalTime) {
+		this.arrivalTime = arrivalTime;
+	}
+
+	public int getTripLength() {
+		if (departureTime <= 0 || arrivalTime <= 0) {
+			return 0;
+		} else {
+			return (int) (arrivalTime - departureTime);
+		}
+	}
+
+	public boolean isBikesAllowed() {
+		return bikesAllowed;
+	}
+
+	public void setBikesAllowed(boolean bikesAllowed) {
+		this.bikesAllowed = bikesAllowed;
+	}
+
+	public String getTrainHeadStation() {
+		return trainHeadStation;
+	}
+
+	public void setTrainHeadStation(String trainHeadStation) {
+		this.trainHeadStation = trainHeadStation;
+	}
+}

src/com/dougkeen/bart/model/Station.java

@@ -1,54 +1,48 @@
-package com.dougkeen.bart;
+package com.dougkeen.bart.model;
 
 import java.util.ArrayList;
 import java.util.List;
 
+import android.util.Log;
+
 public enum Station {
-	_12TH("12th", "12th St./Oakland City Center", false, false, "bayf"),
-	_16TH("16th", "16th St. Mission", false, false),
-	_19TH("19th", "19th St./Oakland", false, false, "bayf"),
-	_24TH("24th", "24th St. Mission", false, false),
-	ASHB("ashb", "Ashby", false, false, "mcar"),
-	BALB("balb", "Balboa Park", false, false),
-	BAYF("bayf", "Bay Fair", true, false, "mcar"),
-	CAST("cast", "Castro Valley", false, false, "bayf"),
-	CIVC("civc", "Civic Center", false, false),
-	COLS("cols", "Coliseum/Oakland Airport", true, false, "mcar"),
-	COLM("colm", "Colma", false, false, "balb", "balb"),
-	CONC("conc", "Concord", false, false, "mcar"),
-	DALY("daly", "Daly City", false, false),
-	DBRK("dbrk", "Downtown Berkeley", false, false, "mcar"),
-	DUBL("dubl", "Dublin/Pleasanton", false, true, "bayf"),
-	DELN("deln", "El Cerrito del Norte", false, false, "mcar"),
-	PLZA("plza", "El Cerrito Plaza", false, false, "mcar"),
-	EMBR("embr", "Embarcadero", false, false),
-	FRMT("frmt", "Fremont", true, false, "bayf"),
-	FTVL("ftvl", "Fruitvale", true, false, "mcar"),
-	GLEN("glen", "Glen Park", false, false),
-	HAYW("hayw", "Hayward", true, false, "bayf"),
-	LAFY("lafy", "Lafayette", false, false, "mcar"),
-	LAKE("lake", "Lake Merritt", true, false, "mcar"),
-	MCAR("mcar", "MacArthur", false, false, "bayf"),
-	MLBR("mlbr", "Millbrae", false, true, "balb", "balb"),
-	MONT("mont", "Montgomery St.", false, false),
-	NBRK("nbrk", "North Berkeley", false, false, "mcar"),
-	NCON("ncon", "North Concord/Martinez", false, false, "mcar"),
-	ORIN("orin", "Orinda", false, false, "mcar"),
-	PITT("pitt", "Pittsburg/Bay Point", false, true, "mcar"),
-	PHIL("phil", "Pleasant Hill", false, false, "mcar"),
-	POWL("powl", "Powell St.", false, false),
-	RICH("rich", "Richmond", false, true, "mcar"),
-	ROCK("rock", "Rockridge", false, false, "mcar"),
-	SBRN("sbrn", "San Bruno", false, false, "balb", "balb"),
-	SANL("sanl", "San Leandro", true, false, "mcar"),
-	SFIA("sfia", "SFO Airport", false, false, "sbrn", "balb"),
-	SHAY("shay", "South Hayward", true, false, "bayf"),
-	SSAN("ssan", "South San Francisco", false, false, "balb", "balb"),
-	UCTY("ucty", "Union City", true, false, "bayf"),
-	WCRK("wcrk", "Walnut Creek", false, false, "mcar"),
-	WDUB("wdub", "West Dublin/Pleasanton", false, false, "bayf"),
-	WOAK("woak", "West Oakland", false, false),
-	SPCL("spcl", "Special", false, false);
+	_12TH("12th", "12th St./Oakland City Center", false, false, "bayf"), _16TH(
+			"16th", "16th St. Mission", false, false), _19TH("19th",
+			"19th St./Oakland", false, false, "bayf"), _24TH("24th",
+			"24th St. Mission", false, false), ASHB("ashb", "Ashby", false,
+			false, "mcar"), BALB("balb", "Balboa Park", false, false), BAYF(
+			"bayf", "Bay Fair", true, false, "mcar"), CAST("cast",
+			"Castro Valley", false, false, "bayf"), CIVC("civc",
+			"Civic Center", false, false), COLS("cols",
+			"Coliseum/Oakland Airport", true, false, "mcar"), COLM("colm",
+			"Colma", false, false, "balb", "balb"), CONC("conc", "Concord",
+			false, false, "mcar"), DALY("daly", "Daly City", false, false), DBRK(
+			"dbrk", "Downtown Berkeley", false, false, "mcar"), DUBL("dubl",
+			"Dublin/Pleasanton", false, true, "bayf"), DELN("deln",
+			"El Cerrito del Norte", false, false, "mcar"), PLZA("plza",
+			"El Cerrito Plaza", false, false, "mcar"), EMBR("embr",
+			"Embarcadero", false, false), FRMT("frmt", "Fremont", true, false,
+			"bayf"), FTVL("ftvl", "Fruitvale", true, false, "mcar"), GLEN(
+			"glen", "Glen Park", false, false), HAYW("hayw", "Hayward", true,
+			false, "bayf"), LAFY("lafy", "Lafayette", false, false, "mcar"), LAKE(
+			"lake", "Lake Merritt", true, false, "mcar"), MCAR("mcar",
+			"MacArthur", false, false, "bayf"), MLBR("mlbr", "Millbrae", false,
+			true, "balb", "balb"), MONT("mont", "Montgomery St.", false, false), NBRK(
+			"nbrk", "North Berkeley", false, false, "mcar"), NCON("ncon",
+			"North Concord/Martinez", false, false, "mcar"), ORIN("orin",
+			"Orinda", false, false, "mcar"), PITT("pitt",
+			"Pittsburg/Bay Point", false, true, "mcar"), PHIL("phil",
+			"Pleasant Hill", false, false, "mcar"), POWL("powl", "Powell St.",
+			false, false), RICH("rich", "Richmond", false, true, "mcar"), ROCK(
+			"rock", "Rockridge", false, false, "mcar"), SBRN("sbrn",
+			"San Bruno", false, false, "balb", "balb"), SANL("sanl",
+			"San Leandro", true, false, "mcar"), SFIA("sfia", "SFO Airport",
+			false, false, "sbrn", "balb"), SHAY("shay", "South Hayward", true,
+			false, "bayf"), SSAN("ssan", "South San Francisco", false, false,
+			"balb", "balb"), UCTY("ucty", "Union City", true, false, "bayf"), WCRK(
+			"wcrk", "Walnut Creek", false, false, "mcar"), WDUB("wdub",
+			"West Dublin/Pleasanton", false, false, "bayf"), WOAK("woak",
+			"West Oakland", false, false), SPCL("spcl", "Special", false, false);
 
 	public final String abbreviation;
 	public final String name;
@@ -57,7 +51,8 @@ public enum Station {
 	protected final String outboundTransferStation;
 	public final boolean endOfLine;
 
-	private Station(String abbreviation, String name, boolean invertDirection, boolean endOfLine) {
+	private Station(String abbreviation, String name, boolean invertDirection,
+			boolean endOfLine) {
 		this.abbreviation = abbreviation;
 		this.name = name;
 		this.invertDirection = invertDirection;
@@ -66,8 +61,8 @@ public enum Station {
 		this.endOfLine = endOfLine;
 	}
 
-	private Station(String abbreviation, String name, boolean invertDirection, boolean endOfLine,
-			String transferStation) {
+	private Station(String abbreviation, String name, boolean invertDirection,
+			boolean endOfLine, String transferStation) {
 		this.abbreviation = abbreviation;
 		this.name = name;
 		this.invertDirection = invertDirection;
@@ -76,8 +71,9 @@ public enum Station {
 		this.endOfLine = endOfLine;
 	}
 
-	private Station(String abbreviation, String name, boolean invertDirection, boolean endOfLine,
-			String inboundTransferStation, String outboundTransferStation) {
+	private Station(String abbreviation, String name, boolean invertDirection,
+			boolean endOfLine, String inboundTransferStation,
+			String outboundTransferStation) {
 		this.abbreviation = abbreviation;
 		this.name = name;
 		this.invertDirection = invertDirection;
@@ -87,6 +83,7 @@ public enum Station {
 	}
 
 	public static Station getByAbbreviation(String abbr) {
+		try {
 			if (abbr == null) {
 				return null;
 			} else if (Character.isDigit(abbr.charAt(0))) {
@@ -94,6 +91,10 @@ public enum Station {
 			} else {
 				return Station.valueOf(abbr.toUpperCase());
 			}
+		} catch (IllegalArgumentException e) {
+			Log.e(Constants.TAG, "Could not find station for '" + abbr + "'", e);
+			return null;
+		}
 	}
 
 	public Station getInboundTransferStation() {
@@ -155,8 +156,7 @@ public enum Station {
 		}
 		if (isNorth == null) {
 			if (outboundTransferStation != null) {
-				returnList
-						.addAll(getOutboundTransferStation()
+				returnList.addAll(getOutboundTransferStation()
 						.getRoutesForDestination(dest,
 								getOutboundTransferStation()));
 			} else if (dest.getInboundTransferStation() != null) {

src/com/dougkeen/bart/model/StationPair.java

@@ -0,0 +1,21 @@
+package com.dougkeen.bart.model;
+
+
+public class StationPair {
+	public StationPair(Station origin, Station destination) {
+		super();
+		this.origin = origin;
+		this.destination = destination;
+	}
+
+	private Station origin;
+	private Station destination;
+
+	public Station getOrigin() {
+		return origin;
+	}
+
+	public Station getDestination() {
+		return destination;
+	}
+}

src/com/dougkeen/bart/networktasks/EtdContentHandler.java

@@ -1,4 +1,4 @@
-package com.dougkeen.bart;
+package com.dougkeen.bart.networktasks;
 
 import java.util.Arrays;
 import java.util.Date;
@@ -11,8 +11,12 @@ import org.xml.sax.helpers.DefaultHandler;
 
 import android.util.Log;
 
-import com.dougkeen.bart.data.Departure;
-import com.dougkeen.bart.data.RealTimeDepartures;
+import com.dougkeen.bart.model.Constants;
+import com.dougkeen.bart.model.Departure;
+import com.dougkeen.bart.model.Line;
+import com.dougkeen.bart.model.RealTimeDepartures;
+import com.dougkeen.bart.model.Route;
+import com.dougkeen.bart.model.Station;
 
 public class EtdContentHandler extends DefaultHandler {
 	public EtdContentHandler(Station origin, Station destination,

src/com/dougkeen/bart/networktasks/FareContentHandler.java

@@ -1,4 +1,4 @@
-package com.dougkeen.bart;
+package com.dougkeen.bart.networktasks;
 
 import org.xml.sax.Attributes;
 import org.xml.sax.SAXException;

src/com/dougkeen/bart/networktasks/GetRealTimeDeparturesTask.java

@@ -1,4 +1,4 @@
-package com.dougkeen.bart;
+package com.dougkeen.bart.networktasks;
 
 import java.io.IOException;
 import java.io.StringWriter;
@@ -17,11 +17,13 @@ import android.os.AsyncTask;
 import android.util.Log;
 import android.util.Xml;
 
-import com.dougkeen.bart.data.RealTimeDepartures;
+import com.dougkeen.bart.model.Constants;
+import com.dougkeen.bart.model.StationPair;
+import com.dougkeen.bart.model.RealTimeDepartures;
+import com.dougkeen.bart.model.Route;
 
-public abstract class GetRealTimeDeparturesTask
-		extends
-		AsyncTask<GetRealTimeDeparturesTask.Params, Integer, RealTimeDepartures> {
+public abstract class GetRealTimeDeparturesTask extends
+		AsyncTask<StationPair, Integer, RealTimeDepartures> {
 
 	private final static String ETD_URL = "http://api.bart.gov/api/etd.aspx?cmd=etd&key="
 			+ Constants.API_KEY + "&orig=%1$s&dir=%2$s";
@@ -34,11 +36,12 @@ public abstract class GetRealTimeDeparturesTask
 	private List<Route> mRoutes;
 
 	@Override
-	protected RealTimeDepartures doInBackground(Params... paramsArray) {
+	protected RealTimeDepartures doInBackground(StationPair... paramsArray) {
 		// Always expect one param
-		Params params = paramsArray[0];
+		StationPair params = paramsArray[0];
 
-		mRoutes = params.origin.getRoutesForDestination(params.destination);
+		mRoutes = params.getOrigin().getRoutesForDestination(
+				params.getDestination());
 
 		if (!isCancelled()) {
 			return getDeparturesFromNetwork(params, 0);
@@ -47,23 +50,23 @@ public abstract class GetRealTimeDeparturesTask
 		}
 	}
 
-	private RealTimeDepartures getDeparturesFromNetwork(Params params,
+	private RealTimeDepartures getDeparturesFromNetwork(StationPair params,
 			int attemptNumber) {
 		String xml = null;
 		try {
 			String url;
-			if (params.origin.endOfLine) {
+			if (params.getOrigin().endOfLine) {
 				url = String.format(ETD_URL_NO_DIRECTION,
-						params.origin.abbreviation);
+						params.getOrigin().abbreviation);
 			} else {
-				url = String.format(ETD_URL, params.origin.abbreviation,
+				url = String.format(ETD_URL, params.getOrigin().abbreviation,
 						mRoutes.get(0).getDirection());
 			}
 
 			HttpUriRequest request = new HttpGet(url);
 
-			EtdContentHandler handler = new EtdContentHandler(params.origin,
-					params.destination, mRoutes);
+			EtdContentHandler handler = new EtdContentHandler(
+					params.getOrigin(), params.getDestination(), mRoutes);
 			if (isCancelled()) {
 				return null;
 			}
@@ -113,25 +116,6 @@ public abstract class GetRealTimeDeparturesTask
 		}
 	}
 
-	public static class Params {
-		public Params(Station origin, Station destination) {
-			super();
-			this.origin = origin;
-			this.destination = destination;
-		}
-
-		private Station origin;
-		private Station destination;
-
-		public Station getOrigin() {
-			return origin;
-		}
-
-		public Station getDestination() {
-			return destination;
-		}
-	}
-
 	@Override
 	protected void onPostExecute(RealTimeDepartures result) {
 		if (result != null) {

src/com/dougkeen/bart/networktasks/GetRouteFareTask.java

@@ -1,4 +1,4 @@
-package com.dougkeen.bart;
+package com.dougkeen.bart.networktasks;
 
 import java.io.IOException;
 import java.io.StringWriter;
@@ -12,6 +12,9 @@ import org.apache.http.client.methods.HttpGet;
 import org.apache.http.client.methods.HttpUriRequest;
 import org.xml.sax.SAXException;
 
+import com.dougkeen.bart.model.Constants;
+import com.dougkeen.bart.model.Station;
+
 import android.os.AsyncTask;
 import android.util.Log;
 import android.util.Xml;

src/com/dougkeen/bart/networktasks/GetScheduleInformationTask.java

@@ -0,0 +1,118 @@
+package com.dougkeen.bart.networktasks;
+
+import java.io.IOException;
+import java.io.StringWriter;
+import java.io.UnsupportedEncodingException;
+import java.net.MalformedURLException;
+
+import org.apache.commons.io.IOUtils;
+import org.apache.http.HttpResponse;
+import org.apache.http.HttpStatus;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.client.methods.HttpUriRequest;
+import org.xml.sax.SAXException;
+
+import android.os.AsyncTask;
+import android.util.Log;
+import android.util.Xml;
+
+import com.dougkeen.bart.model.Constants;
+import com.dougkeen.bart.model.ScheduleInformation;
+import com.dougkeen.bart.model.StationPair;
+
+public abstract class GetScheduleInformationTask extends
+		AsyncTask<StationPair, Integer, ScheduleInformation> {
+
+	private final static String SCHED_URL = "http://api.bart.gov/api/sched.aspx?cmd=depart&key="
+			+ Constants.API_KEY + "&orig=%1$s&dest=%2$s&b=1&a=5";
+
+	private final static int MAX_ATTEMPTS = 5;
+
+	private Exception mException;
+
+	@Override
+	protected ScheduleInformation doInBackground(StationPair... paramsArray) {
+		// Always expect one param
+		StationPair params = paramsArray[0];
+
+		if (!isCancelled()) {
+			return getScheduleFromNetwork(params, 0);
+		} else {
+			return null;
+		}
+	}
+
+	private ScheduleInformation getScheduleFromNetwork(StationPair params,
+			int attemptNumber) {
+		String xml = null;
+		try {
+			String url = String.format(SCHED_URL,
+					params.getOrigin().abbreviation,
+					params.getDestination().abbreviation);
+
+			HttpUriRequest request = new HttpGet(url);
+
+			if (isCancelled()) {
+				return null;
+			}
+
+			ScheduleContentHandler handler = new ScheduleContentHandler(
+					params.getOrigin(), params.getDestination());
+
+			HttpResponse response = NetworkUtils.executeWithRecovery(request);
+
+			if (response.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {
+				throw new IOException("Server returned "
+						+ response.getStatusLine().toString());
+			}
+
+			StringWriter writer = new StringWriter();
+			IOUtils.copy(response.getEntity().getContent(), writer, "UTF-8");
+
+			xml = writer.toString();
+			if (xml.length() == 0) {
+				throw new IOException("Server returned blank xml document");
+			}
+
+			Xml.parse(xml, handler);
+			final ScheduleInformation schedule = handler.getSchedule();
+			return schedule;
+		} catch (MalformedURLException e) {
+			throw new RuntimeException(e);
+		} catch (UnsupportedEncodingException e) {
+			throw new RuntimeException(e);
+		} catch (IOException e) {
+			if (attemptNumber < MAX_ATTEMPTS - 1) {
+				try {
+					Log.w(Constants.TAG,
+							"Attempt to contact server failed... retrying in 3s",
+							e);
+					Thread.sleep(3000);
+				} catch (InterruptedException interrupt) {
+					// Ignore... just go on to next attempt
+				}
+				return getScheduleFromNetwork(params, attemptNumber + 1);
+			} else {
+				mException = new Exception("Could not contact BART system", e);
+				return null;
+			}
+		} catch (SAXException e) {
+			mException = new Exception(
+					"Could not understand response from BART system: " + xml, e);
+			return null;
+		}
+	}
+
+	@Override
+	protected void onPostExecute(ScheduleInformation result) {
+		if (result != null) {
+			onResult(result);
+		} else {
+			onError(mException);
+		}
+	}
+
+	public abstract void onResult(ScheduleInformation result);
+
+	public abstract void onError(Exception exception);
+}

src/com/dougkeen/bart/networktasks/NetworkUtils.java

@@ -1,4 +1,4 @@
-package com.dougkeen.bart;
+package com.dougkeen.bart.networktasks;
 
 import java.io.IOException;
 

src/com/dougkeen/bart/networktasks/ScheduleContentHandler.java

@@ -0,0 +1,160 @@
+package com.dougkeen.bart.networktasks;
+
+import java.text.DateFormat;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Arrays;
+import java.util.Date;
+import java.util.List;
+import java.util.TimeZone;
+
+import org.apache.commons.lang3.StringUtils;
+import org.xml.sax.Attributes;
+import org.xml.sax.SAXException;
+import org.xml.sax.helpers.DefaultHandler;
+
+import android.util.Log;
+
+import com.dougkeen.bart.model.Constants;
+import com.dougkeen.bart.model.Departure;
+import com.dougkeen.bart.model.Line;
+import com.dougkeen.bart.model.RealTimeDepartures;
+import com.dougkeen.bart.model.Route;
+import com.dougkeen.bart.model.ScheduleInformation;
+import com.dougkeen.bart.model.ScheduleItem;
+import com.dougkeen.bart.model.Station;
+
+public class ScheduleContentHandler extends DefaultHandler {
+	public ScheduleContentHandler(Station origin, Station destination) {
+		super();
+		schedule = new ScheduleInformation(origin, destination);
+	}
+
+	private final static List<String> TAGS = Arrays.asList("date", "time",
+			"trip");
+
+	private final static DateFormat TRIP_DATE_FORMAT;
+	private final static DateFormat REQUEST_DATE_FORMAT;
+
+	private final static TimeZone PACIFIC_TIME = TimeZone
+			.getTimeZone("America/Los_Angeles");
+
+	static {
+		TRIP_DATE_FORMAT = new SimpleDateFormat("MM/dd/yyyy h:mm a");
+		REQUEST_DATE_FORMAT = new SimpleDateFormat("MMM d, yyyy h:mm a");
+
+		TRIP_DATE_FORMAT.setTimeZone(PACIFIC_TIME);
+		REQUEST_DATE_FORMAT.setTimeZone(PACIFIC_TIME);
+	}
+
+	private ScheduleInformation schedule;
+
+	public ScheduleInformation getSchedule() {
+		return schedule;
+	}
+
+	private String currentValue;
+	private boolean isParsingTag;
+
+	private String requestDate;
+	private String requestTime;
+
+	@Override
+	public void characters(char[] ch, int start, int length)
+			throws SAXException {
+		if (isParsingTag) {
+			currentValue = new String(ch, start, length);
+		}
+	}
+
+	@Override
+	public void startElement(String uri, String localName, String qName,
+			Attributes attributes) throws SAXException {
+		if (TAGS.contains(localName)) {
+			isParsingTag = true;
+		}
+		if (localName.equals("trip")) {
+			ScheduleItem trip = new ScheduleItem();
+			String originDate = null;
+			String originTime = null;
+			String destinationDate = null;
+			String destinationTime = null;
+			for (int i = attributes.getLength() - 1; i >= 0; i--) {
+				if (attributes.getLocalName(i).equalsIgnoreCase("origin")) {
+					trip.setOrigin(Station.getByAbbreviation(attributes
+							.getValue(i)));
+				} else if (attributes.getLocalName(i).equalsIgnoreCase(
+						"destination")) {
+					trip.setDestination(Station.getByAbbreviation(attributes
+							.getValue(i)));
+				} else if (attributes.getLocalName(i).equalsIgnoreCase("fare")) {
+					trip.setFare(attributes.getValue(i));
+				} else if (attributes.getLocalName(i).equalsIgnoreCase(
+						"origTimeMin")) {
+					originTime = attributes.getValue(i);
+				} else if (attributes.getLocalName(i).equalsIgnoreCase(
+						"origTimeDate")) {
+					originDate = attributes.getValue(i);
+				} else if (attributes.getLocalName(i).equalsIgnoreCase(
+						"destTimeMin")) {
+					destinationTime = attributes.getValue(i);
+				} else if (attributes.getLocalName(i).equalsIgnoreCase(
+						"destTimeDate")) {
+					destinationDate = attributes.getValue(i);
+				} else if (attributes.getLocalName(i).equalsIgnoreCase(
+						"bikeFlag")) {
+					trip.setBikesAllowed(attributes.getValue(i).equals("1"));
+				} else if (attributes.getLocalName(i).equalsIgnoreCase(
+						"trainHeadStation")) {
+					trip.setTrainHeadStation(attributes.getValue(i));
+				}
+			}
+
+			long departTime = parseDate(TRIP_DATE_FORMAT, originDate,
+					originTime);
+			if (departTime > 0)
+				trip.setDepartureTime(departTime);
+
+			long arriveTime = parseDate(TRIP_DATE_FORMAT, destinationDate,
+					destinationTime);
+			if (arriveTime > 0)
+				trip.setArrivalTime(arriveTime);
+
+			schedule.addTrip(trip);
+		}
+	}
+
+	private long parseDate(DateFormat format, String dateString,
+			String timeString) {
+		if (dateString == null || timeString == null) {
+			return -1;
+		}
+		try {
+			return format.parse(dateString + " " + timeString).getTime();
+		} catch (ParseException e) {
+			Log.e(Constants.TAG, "Unable to parse datetime '" + dateString
+					+ " " + timeString + "'", e);
+			return -1;
+		}
+	}
+
+	@Override
+	public void endElement(String uri, String localName, String qName)
+			throws SAXException {
+		if (localName.equals("date")) {
+			requestDate = currentValue;
+		} else if (localName.equals("time")) {
+			requestTime = currentValue;
+		}
+		isParsingTag = false;
+		currentValue = null;
+	}
+
+	@Override
+	public void endDocument() {
+		long date = parseDate(REQUEST_DATE_FORMAT, requestDate, requestTime);
+		if (date > 0) {
+			schedule.setDate(date);
+		}
+	}
+}