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Use same thread to export track

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This commit is contained in:
Jimmy Shih
2013-09-05 13:34:11 -07:00
parent 429ebdbf3a
commit 9ced32f2df
8 changed files with 53 additions and 122 deletions
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MyTracks/src/com/google/android/apps/mytracks/io/file/export/AbstractTrackExporter.java
-68
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@@ -1,68 +0,0 @@
/*
* Copyright 2013 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.android.apps.mytracks.io.file.export;
import android.util.Log;
import java.io.IOException;
import java.io.OutputStream;
/**
* Abstract class for {@link TrackExporter}.
*
* @author Jimmy Shih
*/
abstract class AbstractTrackExporter implements TrackExporter {
private static final String TAG = AbstractTrackExporter.class.getSimpleName();
private Thread writeThread;
private boolean success = false;
@Override
public void writeTrack(final OutputStream outputStream) {
writeThread = new Thread() {
@Override
public void run() {
try {
performWrite(outputStream);
success = true;
} catch (InterruptedException e) {
Log.e(TAG, "Unable to perform write", e);
success = false;
} catch (IOException e) {
Log.e(TAG, "Unable to perform write", e);
success = false;
}
}
};
writeThread.start();
try {
writeThread.join();
} catch (InterruptedException e) {
Log.e(TAG, "Interrupted while waiting for write thread to finish", e);
success = false;
}
}
@Override
public boolean isSuccess() {
return success;
}
abstract void performWrite(OutputStream outputStream) throws InterruptedException, IOException;
}
MyTracks/src/com/google/android/apps/mytracks/io/file/export/FileTrackExporter.java
+20 -11
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@@ -29,6 +29,7 @@ import com.google.common.annotations.VisibleForTesting;
import android.content.Context;
import android.database.Cursor;
import android.location.Location;
import android.util.Log;
import java.io.OutputStream;
@@ -38,7 +39,9 @@ import java.io.OutputStream;
* @author Sandor Dornbush
* @author Rodrigo Damazio
*/
public class FileTrackExporter extends AbstractTrackExporter {
public class FileTrackExporter implements TrackExporter {
private static final String TAG = FileTrackExporter.class.getSimpleName();
private final MyTracksProviderUtils myTracksProviderUtils;
private final Track[] tracks;
@@ -71,17 +74,23 @@ public class FileTrackExporter extends AbstractTrackExporter {
}
@Override
void performWrite(OutputStream outputStream) throws InterruptedException {
trackWriter.prepare(outputStream);
trackWriter.writeHeader(tracks[0]);
long startTime = tracks[0].getTripStatistics().getStartTime();
for (int i = 0; i < tracks.length; i++) {
writeWaypoints(tracks[i]);
long offset = tracks[i].getTripStatistics().getStartTime() - startTime;
writeLocations(tracks[i], offset);
public boolean writeTrack(OutputStream outputStream) {
try {
trackWriter.prepare(outputStream);
trackWriter.writeHeader(tracks[0]);
long startTime = tracks[0].getTripStatistics().getStartTime();
for (int i = 0; i < tracks.length; i++) {
writeWaypoints(tracks[i]);
long offset = tracks[i].getTripStatistics().getStartTime() - startTime;
writeLocations(tracks[i], offset);
}
trackWriter.writeFooter();
trackWriter.close();
return true;
} catch (InterruptedException e) {
Log.e(TAG, "Thread interrupted", e);
return false;
}
trackWriter.writeFooter();
trackWriter.close();
}
/**
MyTracks/src/com/google/android/apps/mytracks/io/file/export/KmzTrackExporter.java
+22 -12
View File
@@ -22,6 +22,7 @@ import com.google.android.apps.mytracks.content.Waypoint;
import android.database.Cursor;
import android.net.Uri;
import android.util.Log;
import java.io.File;
import java.io.FileInputStream;
@@ -35,11 +36,13 @@ import java.util.zip.ZipOutputStream;
*
* @author Jimmy Shih
*/
public class KmzTrackExporter extends AbstractTrackExporter {
public class KmzTrackExporter implements TrackExporter {
public static final String KMZ_EXTENSION = "kmz";
public static final String KMZ_IMAGES_DIR = "images";
public static final String KMZ_KML_FILE = "doc.kml";
private static final String TAG = KmzTrackExporter.class.getSimpleName();
private static final int BUFFER_SIZE = 4096;
private final MyTracksProviderUtils myTracksProviderUtils;
@@ -61,12 +64,7 @@ public class KmzTrackExporter extends AbstractTrackExporter {
}
@Override
public boolean isSuccess() {
return fileTrackExporter.isSuccess() && super.isSuccess();
}
@Override
void performWrite(OutputStream outputStream) throws InterruptedException, IOException {
public boolean writeTrack(OutputStream outputStream) {
ZipOutputStream zipOutputStream = null;
try {
zipOutputStream = new ZipOutputStream(outputStream);
@@ -75,17 +73,29 @@ public class KmzTrackExporter extends AbstractTrackExporter {
ZipEntry zipEntry = new ZipEntry(KMZ_KML_FILE);
zipOutputStream.putNextEntry(zipEntry);
fileTrackExporter.writeTrack(zipOutputStream);
boolean success = fileTrackExporter.writeTrack(zipOutputStream);
zipOutputStream.closeEntry();
if (!fileTrackExporter.isSuccess()) {
throw new IOException();
if (!success) {
Log.e(TAG, "Unable to write kml in kmz");
return false;
}
// Add photos
addImages(zipOutputStream);
return true;
} catch (InterruptedException e) {
Log.e(TAG, "Unable to write track", e);
return false;
} catch (IOException e) {
Log.e(TAG, "Unable to write track", e);
return false;
} finally {
if (zipOutputStream != null) {
zipOutputStream.close();
try {
zipOutputStream.close();
} catch (IOException e) {
Log.e(TAG, "Unable to close zip input stream", e);;
}
}
}
}
MyTracks/src/com/google/android/apps/mytracks/io/file/export/SaveAsyncTask.java
+3 -4
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@@ -215,15 +215,14 @@ public class SaveAsyncTask extends AsyncTask<Void, Integer, Boolean> {
FileOutputStream fileOutputStream = null;
try {
fileOutputStream = new FileOutputStream(file);
trackExporter.writeTrack(fileOutputStream);
if (trackExporter.isSuccess()) {
if (trackExporter.writeTrack(fileOutputStream)) {
savedPath = file.getAbsolutePath();
return true;
} else {
if (!file.delete()) {
Log.w(TAG, "Failed to delete file " + file.getAbsolutePath());
Log.d(TAG, "Unable to delete file");
}
Log.e(TAG, "Unable to export track");
return false;
}
} catch (FileNotFoundException e) {
MyTracks/src/com/google/android/apps/mytracks/io/file/export/TrackExporter.java
+2 -8
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@@ -24,17 +24,11 @@ import java.io.OutputStream;
* @author Jimmy Shih
*/
public interface TrackExporter {
/**
* Write track to an output stream
*
* @param outputStream the output stream
*/
void writeTrack(OutputStream outputStream);
/**
* Returns true if {@link #writeTrack(OutputStream)} completed successfully.
*/
boolean isSuccess();
boolean writeTrack(OutputStream outputStream);
}
MyTracks/src/com/google/android/apps/mytracks/io/sync/SyncUtils.java
+1 -2
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@@ -447,8 +447,7 @@ public class SyncUtils {
FileOutputStream fileOutputStream = null;
try {
fileOutputStream = new FileOutputStream(file);
fileTrackExporter.writeTrack(fileOutputStream);
if (fileTrackExporter.isSuccess()) {
if (fileTrackExporter.writeTrack(fileOutputStream)) {
return file;
} else {
if (!file.delete()) {
MyTracksTest/src/com/google/android/apps/mytracks/io/file/GpxFileTrackImporterTest.java
-5
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@@ -65,11 +65,6 @@ public class GpxFileTrackImporterTest extends AbstractTestFileTrackImporter {
+ getNameAndDescription(TRACK_NAME_0, TRACK_DESCRIPTION_0) + "<trkseg>"
+ getTrackPoint(0, null) + getTrackPoint(1, null) + "</trkseg><trkseg>"
+ getTrackPoint(2, null) + getTrackPoint(3, null) + "</trkseg></trk></gpx>";
private static final String VALID_TWO_TRACKS_GPX = "<gpx><trk>"
+ getNameAndDescription(TRACK_NAME_0, TRACK_DESCRIPTION_0) + "<trkseg>"
+ getTrackPoint(0, TRACK_TIME_0) + "</trkseg></trk><trk>"
+ getNameAndDescription(TRACK_NAME_1, TRACK_DESCRIPTION_1) + "<trkseg>"
+ getTrackPoint(1, TRACK_TIME_1) + "</trkseg></trk></gpx>";
private static final String INVALID_XML_GPX = VALID_ONE_TRACK_ONE_SEGMENT_GPX.substring(
0, VALID_ONE_TRACK_ONE_SEGMENT_GPX.length() - 50);
MyTracksTest/src/com/google/android/apps/mytracks/io/file/export/FileTrackExporterTest.java
+5 -12
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@@ -7,9 +7,6 @@ import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
import com.google.android.apps.mytracks.content.MyTracksProviderUtils.Factory;
import com.google.android.apps.mytracks.content.Track;
import com.google.android.apps.mytracks.content.Waypoint;
import com.google.android.apps.mytracks.io.file.export.FileTrackExporter;
import com.google.android.apps.mytracks.io.file.export.TrackExporterListener;
import com.google.android.apps.mytracks.io.file.export.TrackWriter;
import com.google.android.apps.mytracks.services.TrackRecordingServiceTest.MockContext;
import com.google.android.apps.mytracks.testing.TestingProviderUtilsFactory;
@@ -101,9 +98,7 @@ public class FileTrackExporterTest extends AndroidTestCase {
trackWriter.writeFooter();
mocksControl.replay();
fileTrackExporter.writeTrack(outputStream);
assertTrue(fileTrackExporter.isSuccess());
assertTrue(fileTrackExporter.writeTrack(outputStream));
mocksControl.verify();
}
@@ -132,9 +127,8 @@ public class FileTrackExporterTest extends AndroidTestCase {
trackWriter.writeFooter();
mocksControl.replay();
fileTrackExporter.writeTrack(outputStream);
assertTrue(fileTrackExporter.isSuccess());
assertTrue(fileTrackExporter.writeTrack(outputStream));
mocksControl.verify();
}
@@ -196,9 +190,8 @@ public class FileTrackExporterTest extends AndroidTestCase {
trackWriter.writeFooter();
mocksControl.replay();
fileTrackExporter.writeTrack(outputStream);
assertTrue(fileTrackExporter.isSuccess());
assertTrue(fileTrackExporter.writeTrack(outputStream));
mocksControl.verify();
}