fix decorator TrackExporter interface

src/androidTest/java/de/dennisguse/opentracks/io/file/importer/ExportImportTest.java

@@ -111,7 +111,7 @@ public class ExportImportTest {
         // when
         // 1. export
         ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
-        trackExporter.writeTrack(context, outputStream);
+        trackExporter.writeTrack(outputStream);
         contentProviderUtils.deleteTrack(context, trackId);
 
         // 2. import
@@ -147,7 +147,7 @@ public class ExportImportTest {
         // when
         // 1. export
         ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
-        trackExporter.writeTrack(context, outputStream);
+        trackExporter.writeTrack(outputStream);
         contentProviderUtils.deleteTrack(context, trackId);
 
         // 2. import
@@ -183,7 +183,7 @@ public class ExportImportTest {
         // when
         // 1. export
         ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
-        trackExporter.writeTrack(context, outputStream);
+        trackExporter.writeTrack(outputStream);
 
         // 2. import
         InputStream inputStream = new ByteArrayInputStream(outputStream.toByteArray());
@@ -234,7 +234,7 @@ public class ExportImportTest {
         // when
         // 1. export
         ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
-        trackExporter.writeTrack(context, outputStream);
+        trackExporter.writeTrack(outputStream);
         contentProviderUtils.deleteTrack(context, trackId);
 
         // 2. import
@@ -272,7 +272,7 @@ public class ExportImportTest {
         // when
         // 1. export
         ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
-        trackExporter.writeTrack(context, outputStream);
+        trackExporter.writeTrack(outputStream);
 
         // 2. import
         InputStream inputStream = new ByteArrayInputStream(outputStream.toByteArray());

src/main/java/de/dennisguse/opentracks/content/provider/ShareContentProvider.java

@@ -212,7 +212,7 @@ public class ShareContentProvider extends CustomContentProvider implements ICont
 
         PipeDataWriter<String> pipeDataWriter = (output, uri1, mimeType, opts, args) -> {
             try (FileOutputStream fileOutputStream = new FileOutputStream(output.getFileDescriptor())) {
-                trackExporter.writeTrack(getContext(), fileOutputStream);
+                trackExporter.writeTrack(fileOutputStream);
             } catch (IOException e) {
                 Log.w(TAG, "there occurred an error while sharing a file: " + e);
             }

src/main/java/de/dennisguse/opentracks/fragments/ExportProgressDialogFragment.java

@@ -218,7 +218,7 @@ public class ExportProgressDialogFragment extends DialogFragment {
             }
 
             try (OutputStream outputStream = context.getContentResolver().openOutputStream(file.getUri())) {
-                if (trackExporter.writeTrack(context, outputStream)) {
+                if (trackExporter.writeTrack(outputStream)) {
                     return true;
                 } else {
                     if (!file.delete()) {

src/main/java/de/dennisguse/opentracks/io/file/TrackFileFormat.java

@@ -201,7 +201,7 @@ public enum TrackFileFormat {
 
         FileTrackExporter fileTrackExporter = new FileTrackExporter(contentProviderUtils, trackWriter, tracks);
 
-        return new KmzTrackExporter(contentProviderUtils, fileTrackExporter, tracks, exportPhotos);
+        return new KmzTrackExporter(context, contentProviderUtils, fileTrackExporter, tracks, exportPhotos);
     }
 
     /**

src/main/java/de/dennisguse/opentracks/io/file/exporter/FileTrackExporter.java

@@ -59,7 +59,7 @@ public class FileTrackExporter implements TrackExporter {
     }
 
     @Override
-    public boolean writeTrack(@NonNull Context context, @NonNull OutputStream outputStream) {
+    public boolean writeTrack(@NonNull OutputStream outputStream) {
         try {
             trackWriter.prepare(outputStream);
             trackWriter.writeHeader(tracks);

src/main/java/de/dennisguse/opentracks/io/file/exporter/KmzTrackExporter.java

@@ -54,15 +54,18 @@ public class KmzTrackExporter implements TrackExporter {
     private final Track[] tracks;
 
     private final boolean exportPhotos;
+    private Context context;
 
     /**
      * Constructor.
      *
+     * @param context the context
      * @param contentProviderUtils the content provider utils
      * @param trackExporter        the file track exporter
      * @param tracks               the tracks to export
      */
-    public KmzTrackExporter(ContentProviderUtils contentProviderUtils, FileTrackExporter trackExporter, Track[] tracks, boolean exportPhotos) {
+    public KmzTrackExporter(Context context, ContentProviderUtils contentProviderUtils, FileTrackExporter trackExporter, Track[] tracks, boolean exportPhotos) {
+        this.context = context;
         this.contentProviderUtils = contentProviderUtils;
         this.fileTrackExporter = trackExporter;
         this.tracks = tracks;
@@ -70,7 +73,7 @@ public class KmzTrackExporter implements TrackExporter {
     }
 
     @Override
-    public boolean writeTrack(@NonNull Context context, @NonNull OutputStream outputStream) {
+    public boolean writeTrack(@NonNull OutputStream outputStream) {
         ZipOutputStream zipOutputStream = null;
         try {
             zipOutputStream = new ZipOutputStream(outputStream);
@@ -79,7 +82,7 @@ public class KmzTrackExporter implements TrackExporter {
             ZipEntry zipEntry = new ZipEntry(KMZ_KML_FILE);
             zipOutputStream.putNextEntry(zipEntry);
 
-            boolean success = fileTrackExporter.writeTrack(context, zipOutputStream);
+            boolean success = fileTrackExporter.writeTrack(zipOutputStream);
             zipOutputStream.closeEntry();
             if (!success) {
                 Log.e(TAG, "Unable to write kml in kmz");

src/main/java/de/dennisguse/opentracks/io/file/exporter/TrackExporter.java

@@ -33,8 +33,7 @@ public interface TrackExporter {
      * Write track to an output stream.
      * Depending on the implementation a context might be required.
      *
-     * @param context the context
      * @param outputStream the output stream
      */
-    boolean writeTrack(@NonNull Context context, @NonNull OutputStream outputStream);
+    boolean writeTrack(@NonNull OutputStream outputStream);
 }