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-rw-r--r--main/src/cgeo/geocaching/export/GpxExport.java195
1 files changed, 104 insertions, 91 deletions
diff --git a/main/src/cgeo/geocaching/export/GpxExport.java b/main/src/cgeo/geocaching/export/GpxExport.java
index b22f80f..66345da 100644
--- a/main/src/cgeo/geocaching/export/GpxExport.java
+++ b/main/src/cgeo/geocaching/export/GpxExport.java
@@ -6,11 +6,12 @@ import cgeo.geocaching.R;
import cgeo.geocaching.Settings;
import cgeo.geocaching.Waypoint;
import cgeo.geocaching.cgData;
+import cgeo.geocaching.cgeoapplication;
import cgeo.geocaching.activity.ActivityMixin;
-import cgeo.geocaching.activity.Progress;
import cgeo.geocaching.enumerations.CacheAttribute;
import cgeo.geocaching.enumerations.LoadFlags;
import cgeo.geocaching.geopoint.Geopoint;
+import cgeo.geocaching.utils.AsyncTaskWithProgress;
import cgeo.geocaching.utils.BaseUtils;
import cgeo.geocaching.utils.Log;
import cgeo.geocaching.utils.XmlUtils;
@@ -22,25 +23,27 @@ import org.xmlpull.v1.XmlSerializer;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
-import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.Uri;
-import android.os.AsyncTask;
import android.os.Environment;
import android.view.ContextThemeWrapper;
import android.view.View;
import android.widget.CheckBox;
import android.widget.TextView;
+import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
import java.util.Date;
import java.util.List;
import java.util.Locale;
+import java.util.Set;
class GpxExport extends AbstractExport {
private static final SimpleDateFormat dateFormatZ = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'", Locale.US);
@@ -48,24 +51,30 @@ class GpxExport extends AbstractExport {
public static final String PREFIX_GPX = "http://www.topografix.com/GPX/1/0";
public static final String PREFIX_GROUNDSPEAK = "http://www.groundspeak.com/cache/1/0";
+ /**
+ * During the export, only this number of geocaches is fully loaded into memory.
+ */
+ public static final int CACHES_PER_BATCH = 100;
+
protected GpxExport() {
super(getString(R.string.export_gpx));
}
@Override
public void export(final List<Geocache> caches, final Activity activity) {
+ String[] geocodes = getGeocodes(caches);
if (null == activity) {
// No activity given, so no user interaction possible.
// Start export with default parameters.
- new ExportTask(caches, null).execute((Void) null);
+ new ExportTask(null).execute(geocodes);
} else {
// Show configuration dialog
- getExportDialog(caches, activity).show();
+ getExportDialog(geocodes, activity).show();
}
}
- private Dialog getExportDialog(final List<Geocache> caches, final Activity activity) {
+ private Dialog getExportDialog(final String[] geocodes, final Activity activity) {
AlertDialog.Builder builder = new AlertDialog.Builder(activity);
// AlertDialog has always dark style, so we have to apply it as well always
@@ -91,55 +100,56 @@ class GpxExport extends AbstractExport {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
- new ExportTask(caches, activity).execute((Void) null);
+ new ExportTask(activity).execute(geocodes);
}
});
return builder.create();
}
- protected class ExportTask extends AsyncTask<Void, Integer, File> {
- private final List<Geocache> caches;
+ private static String[] getGeocodes(final List<Geocache> caches) {
+ ArrayList<String> allGeocodes = new ArrayList<String>(caches.size());
+ for (final Geocache geocache : caches) {
+ allGeocodes.add(geocache.getGeocode());
+ }
+ return allGeocodes.toArray(new String[allGeocodes.size()]);
+ }
+
+ protected class ExportTask extends AsyncTaskWithProgress<String, File> {
private final Activity activity;
- private final Progress progress = new Progress();
+ private int countExported = 0;
/**
* Instantiates and configures the task for exporting field notes.
*
- * @param caches
- * The {@link List} of {@link cgeo.geocaching.Geocache} to be exported
* @param activity
* optional: Show a progress bar and toasts
*/
- public ExportTask(final List<Geocache> caches, final Activity activity) {
- this.caches = caches;
+ public ExportTask(final Activity activity) {
+ super(activity, getProgressTitle());
this.activity = activity;
}
@Override
- protected void onPreExecute() {
- if (null != activity) {
- progress.show(activity, null, getString(R.string.export) + ": " + getName(), ProgressDialog.STYLE_HORIZONTAL, null);
- progress.setMaxProgressAndReset(caches.size());
- }
- }
-
- @Override
- protected File doInBackground(Void... params) {
+ protected File doInBackgroundInternal(String[] geocodes) {
// quick check for being able to write the GPX file
if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
return null;
}
+ List<String> allGeocodes = new ArrayList<String>(Arrays.asList(geocodes));
+
+ setMessage(cgeoapplication.getInstance().getResources().getQuantityString(R.plurals.cache_counts, allGeocodes.size(), allGeocodes.size()));
+
final SimpleDateFormat fileNameDateFormat = new SimpleDateFormat("yyyyMMddHHmmss", Locale.US);
final File exportFile = new File(Settings.getGpxExportDir() + File.separatorChar + "export_" + fileNameDateFormat.format(new Date()) + ".gpx");
- FileWriter writer = null;
+ BufferedWriter writer = null;
try {
final File exportLocation = new File(Settings.getGpxExportDir());
exportLocation.mkdirs();
final XmlSerializer gpx = new KXmlSerializer();
- writer = new FileWriter(exportFile);
+ writer = new BufferedWriter(new FileWriter(exportFile));
gpx.setOutput(writer);
gpx.startDocument("UTF-8", true);
@@ -153,68 +163,17 @@ class GpxExport extends AbstractExport {
PREFIX_GPX + " http://www.topografix.com/GPX/1/0/gpx.xsd " +
PREFIX_GROUNDSPEAK + " http://www.groundspeak.com/cache/1/0/1/cache.xsd");
- for (int i = 0; i < caches.size(); i++) {
- final Geocache cache = cgData.loadCache(caches.get(i).getGeocode(), LoadFlags.LOAD_ALL_DB_ONLY);
-
- gpx.startTag(PREFIX_GPX, "wpt");
- gpx.attribute("", "lat", Double.toString(cache.getCoords().getLatitude()));
- gpx.attribute("", "lon", Double.toString(cache.getCoords().getLongitude()));
-
- final Date hiddenDate = cache.getHiddenDate();
- if (hiddenDate != null) {
- XmlUtils.simpleText(gpx, PREFIX_GPX, "time", dateFormatZ.format(hiddenDate));
- }
-
- XmlUtils.multipleTexts(gpx, PREFIX_GPX,
- "name", cache.getGeocode(),
- "desc", cache.getName(),
- "url", cache.getUrl(),
- "urlname", cache.getName(),
- "sym", cache.isFound() ? "Geocache Found" : "Geocache",
- "type", "Geocache|" + cache.getType().pattern);
-
- gpx.startTag(PREFIX_GROUNDSPEAK, "cache");
- gpx.attribute("", "id", cache.getCacheId());
- gpx.attribute("", "available", !cache.isDisabled() ? "True" : "False");
- gpx.attribute("", "archives", cache.isArchived() ? "True" : "False");
-
- XmlUtils.multipleTexts(gpx, PREFIX_GROUNDSPEAK,
- "name", cache.getName(),
- "placed_by", cache.getOwnerDisplayName(),
- "owner", cache.getOwnerUserId(),
- "type", cache.getType().pattern,
- "container", cache.getSize().id,
- "difficulty", Float.toString(cache.getDifficulty()),
- "terrain", Float.toString(cache.getTerrain()),
- "country", cache.getLocation(),
- "state", "",
- "encoded_hints", cache.getHint());
-
- writeAttributes(gpx, cache);
-
- gpx.startTag(PREFIX_GROUNDSPEAK, "short_description");
- gpx.attribute("", "html", BaseUtils.containsHtml(cache.getShortDescription()) ? "True" : "False");
- gpx.text(cache.getShortDescription());
- gpx.endTag(PREFIX_GROUNDSPEAK, "short_description");
-
- gpx.startTag(PREFIX_GROUNDSPEAK, "long_description");
- gpx.attribute("", "html", BaseUtils.containsHtml(cache.getDescription()) ? "True" : "False");
- gpx.text(cache.getDescription());
- gpx.endTag(PREFIX_GROUNDSPEAK, "long_description");
-
- writeLogs(gpx, cache);
-
- gpx.endTag(PREFIX_GROUNDSPEAK, "cache");
- gpx.endTag(PREFIX_GPX, "wpt");
-
- writeWaypoints(gpx, cache);
-
- publishProgress(i + 1);
+ // Split the overall set of geocodes into small chunks. That is a compromise between memory efficiency (because
+ // we don't load all caches fully into memory) and speed (because we don't query each cache separately).
+ while (!allGeocodes.isEmpty()) {
+ final List<String> batch = allGeocodes.subList(0, Math.min(CACHES_PER_BATCH, allGeocodes.size()));
+ exportBatch(gpx, batch);
+ batch.clear();
}
gpx.endTag(PREFIX_GPX, "gpx");
gpx.endDocument();
- } catch (final IOException e) {
+ } catch (final Exception e) {
Log.e("GpxExport.ExportTask export", e);
if (writer != null) {
@@ -235,6 +194,67 @@ class GpxExport extends AbstractExport {
return exportFile;
}
+ private void exportBatch(final XmlSerializer gpx, Collection<String> geocodesOfBatch) throws IOException {
+ Set<Geocache> caches = cgData.loadCaches(geocodesOfBatch, LoadFlags.LOAD_ALL_DB_ONLY);
+ for (Geocache cache : caches) {
+ gpx.startTag(PREFIX_GPX, "wpt");
+ gpx.attribute("", "lat", Double.toString(cache.getCoords().getLatitude()));
+ gpx.attribute("", "lon", Double.toString(cache.getCoords().getLongitude()));
+
+ final Date hiddenDate = cache.getHiddenDate();
+ if (hiddenDate != null) {
+ XmlUtils.simpleText(gpx, PREFIX_GPX, "time", dateFormatZ.format(hiddenDate));
+ }
+
+ XmlUtils.multipleTexts(gpx, PREFIX_GPX,
+ "name", cache.getGeocode(),
+ "desc", cache.getName(),
+ "url", cache.getUrl(),
+ "urlname", cache.getName(),
+ "sym", cache.isFound() ? "Geocache Found" : "Geocache",
+ "type", "Geocache|" + cache.getType().pattern);
+
+ gpx.startTag(PREFIX_GROUNDSPEAK, "cache");
+ gpx.attribute("", "id", cache.getCacheId());
+ gpx.attribute("", "available", !cache.isDisabled() ? "True" : "False");
+ gpx.attribute("", "archives", cache.isArchived() ? "True" : "False");
+
+ XmlUtils.multipleTexts(gpx, PREFIX_GROUNDSPEAK,
+ "name", cache.getName(),
+ "placed_by", cache.getOwnerDisplayName(),
+ "owner", cache.getOwnerUserId(),
+ "type", cache.getType().pattern,
+ "container", cache.getSize().id,
+ "difficulty", Float.toString(cache.getDifficulty()),
+ "terrain", Float.toString(cache.getTerrain()),
+ "country", cache.getLocation(),
+ "state", "",
+ "encoded_hints", cache.getHint());
+
+ writeAttributes(gpx, cache);
+
+ gpx.startTag(PREFIX_GROUNDSPEAK, "short_description");
+ gpx.attribute("", "html", BaseUtils.containsHtml(cache.getShortDescription()) ? "True" : "False");
+ gpx.text(cache.getShortDescription());
+ gpx.endTag(PREFIX_GROUNDSPEAK, "short_description");
+
+ gpx.startTag(PREFIX_GROUNDSPEAK, "long_description");
+ gpx.attribute("", "html", BaseUtils.containsHtml(cache.getDescription()) ? "True" : "False");
+ gpx.text(cache.getDescription());
+ gpx.endTag(PREFIX_GROUNDSPEAK, "long_description");
+
+ writeLogs(gpx, cache);
+
+ gpx.endTag(PREFIX_GROUNDSPEAK, "cache");
+ gpx.endTag(PREFIX_GPX, "wpt");
+
+ writeWaypoints(gpx, cache);
+
+ countExported++;
+ publishProgress(countExported);
+ }
+ }
+
private void writeWaypoints(final XmlSerializer gpx, final Geocache cache) throws IOException {
List<Waypoint> waypoints = cache.getWaypoints();
List<Waypoint> ownWaypoints = new ArrayList<Waypoint>(waypoints.size());
@@ -346,9 +366,8 @@ class GpxExport extends AbstractExport {
}
@Override
- protected void onPostExecute(final File exportFile) {
+ protected void onPostExecuteInternal(final File exportFile) {
if (null != activity) {
- progress.dismiss();
if (exportFile != null) {
ActivityMixin.showToast(activity, getName() + ' ' + getString(R.string.export_exportedto) + ": " + exportFile.toString());
if (Settings.getShareAfterExport()) {
@@ -364,11 +383,5 @@ class GpxExport extends AbstractExport {
}
}
- @Override
- protected void onProgressUpdate(Integer... status) {
- if (null != activity) {
- progress.setProgress(status[0]);
- }
- }
}
}
generated by cgit v1.1 at 2025-11-10 19:14:12 +0000