Miscellaneous Java lint cleanup

app/src/main/java/org/transdroid/core/app/settings/ApplicationSettings.java

@@ -74,8 +74,7 @@ public class ApplicationSettings {
      * @return A list of all stored server settings objects
      */
     public List<ServerSetting> getAllServerSettings() {
-        List<ServerSetting> all = new ArrayList<>();
-        all.addAll(getNormalServerSettings());
+        List<ServerSetting> all = new ArrayList<>(getNormalServerSettings());
         for (SeedboxProvider provider : SeedboxProvider.values()) {
             all.addAll(provider.getSettings().getAllServerSettings(prefs, all.size()));
         }

app/src/main/java/org/transdroid/core/gui/lists/LocalTorrent.java

@@ -63,8 +63,6 @@ public class LocalTorrent {
         switch (e.getType()) {
             case MethodUnsupported:
                 return R.string.error_unsupported;
-            case ConnectionError:
-                return R.string.error_httperror;
             case UnexpectedResponse:
                 return R.string.error_jsonresponseerror;
             case ParsingFailed:
@@ -75,6 +73,7 @@ public class LocalTorrent {
                 return R.string.error_401;
             case FileAccessError:
                 return R.string.error_torrentfile;
+            case ConnectionError:
             default:
                 return R.string.error_httperror;
         }
@@ -201,16 +200,15 @@ public class LocalTorrent {
     public String getProgressSpeedText(Resources r) {
 
         switch (t.getStatusCode()) {
-            case Waiting:
-            case Checking:
-            case Paused:
-            case Queued:
-                return "";
             case Downloading:
                 return r.getString(R.string.status_speed_down, FileSizeConverter.getSize(t.getRateDownload()) + "/s") + " "
                         + r.getString(R.string.status_speed_up, FileSizeConverter.getSize(t.getRateUpload()) + "/s");
             case Seeding:
                 return r.getString(R.string.status_speed_up, FileSizeConverter.getSize(t.getRateUpload()) + "/s");
+            case Waiting:
+            case Checking:
+            case Paused:
+            case Queued:
             default:
                 return "";
         }

app/src/main/java/org/transdroid/core/gui/lists/MergeAdapter.java

@@ -26,6 +26,7 @@ import android.widget.SectionIndexer;
 import android.widget.TextView;
 
 import java.util.ArrayList;
+import java.util.Arrays;
 
 /**
  * An adapter that can contain many other adapters and shows them in sequence. Taken from
@@ -293,9 +294,7 @@ public class MergeAdapter extends BaseAdapter implements SectionIndexer {
                 Object[] curSections = ((SectionIndexer) piece).getSections();
 
                 if (curSections != null) {
-                    for (Object section : curSections) {
-                        sections.add(section);
-                    }
+                    sections.addAll(Arrays.asList(curSections));
                 }
             }
         }

app/src/main/java/org/transdroid/core/gui/lists/PiecesMapView.java

@@ -111,9 +111,9 @@ class PiecesMapView extends View {
             piecesScaled.add(state);
         }
 
-        String scaledPiecesString = "";
+        StringBuilder scaledPiecesString = new StringBuilder();
         for (int s : piecesScaled) {
-            scaledPiecesString += s;
+            scaledPiecesString.append(s);
         }
 
         // Draw downscaled peices

app/src/main/java/org/transdroid/core/gui/lists/SimpleListItemAdapter.java

@@ -67,7 +67,7 @@ public class SimpleListItemAdapter extends BaseAdapter {
     @Override
     public View getView(int position, View convertView, ViewGroup parent) {
         SimpleListItemView filterItemView;
-        if (convertView == null || !(convertView instanceof SimpleListItemView)) {
+        if (!(convertView instanceof SimpleListItemView)) {
             filterItemView = SimpleListItemView_.build(context);
         } else {
             filterItemView = (SimpleListItemView) convertView;

app/src/main/java/org/transdroid/core/gui/lists/TorrentFilePriorityLayout.java

@@ -72,9 +72,7 @@ public class TorrentFilePriorityLayout extends RelativeLayout {
     protected void onDraw(Canvas canvas) {
         super.onDraw(canvas);
 
-        int height = getHeight();
-        int width = WIDTH;
-        fullRect.set(0, 0, width, height);
+        fullRect.set(0, 0, WIDTH, getHeight());
 
         if (priority == null) {
             return;

app/src/main/java/org/transdroid/core/gui/lists/TorrentStatusLayout.java

@@ -80,9 +80,7 @@ public class TorrentStatusLayout extends RelativeLayout {
     protected void onDraw(Canvas canvas) {
         super.onDraw(canvas);
 
-        int height = getHeight();
-        int width = WIDTH;
-        fullRect.set(0, 0, width, height);
+        fullRect.set(0, 0, WIDTH, getHeight());
 
         if (status == null) {
             return;

app/src/main/java/org/transdroid/core/gui/log/DatabaseHelper.java

@@ -59,7 +59,7 @@ public class DatabaseHelper extends OrmLiteSqliteOpenHelper {
             switch (oldVersion) {
                 case 1:
                     TableUtils.createTable(connectionSource, ErrorLogEntry.class);
-			/*case 1:
+			/*case 2:
 				etc...*/
             }
 

app/src/main/java/org/transdroid/core/gui/navigation/FilterListItemAdapter.java

@@ -64,7 +64,7 @@ public class FilterListItemAdapter extends BaseAdapter {
     @Override
     public View getView(int position, View convertView, ViewGroup parent) {
         FilterListItemView filterItemView;
-        if (convertView == null || !(convertView instanceof SimpleListItemView)) {
+        if (!(convertView instanceof SimpleListItemView)) {
             filterItemView = FilterListItemView_.build(context);
         } else {
             filterItemView = (FilterListItemView) convertView;

app/src/main/java/org/transdroid/core/gui/navigation/SelectionModificationSpinner.java

@@ -95,7 +95,7 @@ public class SelectionModificationSpinner extends AppCompatSpinner {
      * Local adapter that holds the actions which can be performed and a title text view that always shows instead of a
      * list item as in a normal spinner.
      */
-    private class SelectionDropDownAdapter extends ArrayAdapter<String> {
+    private static class SelectionDropDownAdapter extends ArrayAdapter<String> {
 
         protected TextView titleView = null;
 

app/src/main/java/org/transdroid/core/gui/rss/RssFeedsActivity.java

@@ -139,7 +139,7 @@ public class RssFeedsActivity extends AppCompatActivity {
 
                 try {
                     hasRemoteFeeds = remoteConnection.getRemoteRssChannels(log).size() > 0;
-                } catch (DaemonException e) {
+                } catch (DaemonException ignored) {
                 }
 
                 if (hasRemoteFeeds) {
@@ -279,7 +279,7 @@ public class RssFeedsActivity extends AppCompatActivity {
         IDaemonAdapter currentConnection = this.getCurrentConnection();
 
         // remote rss not supported for this connection type
-        if (currentConnection instanceof RemoteRssSupplier == false) {
+        if (!(currentConnection instanceof RemoteRssSupplier)) {
             return;
         }
 

app/src/main/java/org/transdroid/core/gui/rss/RssfeedLoader.java

@@ -56,15 +56,15 @@ public class RssfeedLoader {
             Date pubDate = channel.getItems().get(0).getPubdate();
             usePublishDate = pubDate != null && pubDate.getTime() > 0;
         }
+        newCount = 0;
         if (usePublishDate) {
             // Count the number of new items, based on the date that this RSS feed was last viewed by the user
-            newCount = 0;
             List<Item> items = channel.getItems();
             // Reverse-order sort the items on their published date
             Collections.sort(items, new Comparator<Item>() {
                 @Override
                 public int compare(Item lhs, Item rhs) {
-                    return 0 - lhs.getPubdate().compareTo(rhs.getPubdate());
+                    return -lhs.getPubdate().compareTo(rhs.getPubdate());
                 }
             });
             for (Item item : items) {
@@ -77,7 +77,6 @@ public class RssfeedLoader {
             }
         } else {
             // Use the url of the last RSS item the last time the feed was viewed by the user to count new items
-            newCount = 0;
             boolean isNew = true;
             for (Item item : channel.getItems()) {
                 if (item.getTheLink() != null && setting.getLastViewedItemUrl() != null && item.getTheLink().equals(setting.getLastViewedItemUrl())) {

app/src/main/java/org/transdroid/core/gui/rss/RssitemStatusLayout.java

@@ -66,9 +66,7 @@ public class RssitemStatusLayout extends RelativeLayout {
     protected void onDraw(Canvas canvas) {
         super.onDraw(canvas);
 
-        int height = getHeight();
-        int width = WIDTH;
-        fullRect.set(0, 0, width, height);
+        fullRect.set(0, 0, WIDTH, getHeight());
 
         if (isNew == null) {
             return;

app/src/main/java/org/transdroid/core/gui/search/SearchSettingsDropDownAdapter.java

@@ -43,7 +43,7 @@ public class SearchSettingsDropDownAdapter extends FilterListItemAdapter {
     public View getView(int position, View convertView, ViewGroup parent) {
         // This returns the item to show in the action bar spinner
         SearchSettingSelectionView filterItemView;
-        if (convertView == null || !(convertView instanceof SearchSettingSelectionView)) {
+        if (!(convertView instanceof SearchSettingSelectionView)) {
             filterItemView = SearchSettingSelectionView_.build(context);
         } else {
             filterItemView = (SearchSettingSelectionView) convertView;

app/src/main/java/org/transdroid/core/gui/settings/MainSettingsActivity.java

@@ -230,8 +230,8 @@ public class MainSettingsActivity extends PreferenceCompatActivity {
         }
         // Allow selection of the default server
         ListPreference defaultServerPreference = (ListPreference) findPreference("header_defaultserver");
-        defaultServerPreference.setEntries(serverNames.toArray(new String[serverNames.size()]));
-        defaultServerPreference.setEntryValues(serverCodes.toArray(new String[serverCodes.size()]));
+        defaultServerPreference.setEntries(serverNames.toArray(new String[0]));
+        defaultServerPreference.setEntryValues(serverCodes.toArray(new String[0]));
 
         // Add existing RSS feeds
         if (!enableRssUi) {
@@ -276,8 +276,8 @@ public class MainSettingsActivity extends PreferenceCompatActivity {
             siteValues.add(websearch.getKey());
         }
         // Supply the Preference list names and values
-        setSite.setEntries(siteNames.toArray(new String[siteNames.size()]));
-        setSite.setEntryValues(siteValues.toArray(new String[siteValues.size()]));
+        setSite.setEntries(siteNames.toArray(new String[0]));
+        setSite.setEntryValues(siteValues.toArray(new String[0]));
 
     }
 
@@ -289,15 +289,14 @@ public class MainSettingsActivity extends PreferenceCompatActivity {
 
     @Override
     protected Dialog onCreateDialog(int id) {
-        switch (id) {
-            case DIALOG_ADDSEEDBOX:
-                // Open dialog to pick one of the supported seedbox providers (or a normal server)
-                String[] seedboxes = new String[SeedboxProvider.values().length + 1];
-                seedboxes[0] = getString(R.string.pref_addserver_normal);
-                for (int i = 0; i < seedboxes.length - 1; i++) {
-                    seedboxes[i + 1] = getString(R.string.pref_seedbox_addseedbox, SeedboxProvider.values()[i].getSettings().getName());
-                }
-                return new AlertDialog.Builder(this).setItems(seedboxes, onAddSeedbox).create();
+        if (id == DIALOG_ADDSEEDBOX) {
+            // Open dialog to pick one of the supported seedbox providers (or a normal server)
+            String[] seedboxes = new String[SeedboxProvider.values().length + 1];
+            seedboxes[0] = getString(R.string.pref_addserver_normal);
+            for (int i = 0; i < seedboxes.length - 1; i++) {
+                seedboxes[i + 1] = getString(R.string.pref_seedbox_addseedbox, SeedboxProvider.values()[i].getSettings().getName());
+            }
+            return new AlertDialog.Builder(this).setItems(seedboxes, onAddSeedbox).create();
         }
         return null;
     }

app/src/main/java/org/transdroid/core/gui/settings/RssfeedPreference.java

@@ -33,17 +33,17 @@ public class RssfeedPreference extends Preference {
 
     private RssfeedSetting rssfeedSetting;
     private OnRssfeedClickedListener onRssfeedClickedListener = null;
-    private OnPreferenceClickListener onPreferenceClicked = new OnPreferenceClickListener() {
-        @Override
-        public boolean onPreferenceClick(Preference preference) {
-            if (onRssfeedClickedListener != null)
-                onRssfeedClickedListener.onRssfeedClicked(rssfeedSetting);
-            return true;
-        }
-    };
 
     public RssfeedPreference(Context context) {
         super(context);
+        OnPreferenceClickListener onPreferenceClicked = new OnPreferenceClickListener() {
+            @Override
+            public boolean onPreferenceClick(Preference preference) {
+                if (onRssfeedClickedListener != null)
+                    onRssfeedClickedListener.onRssfeedClicked(rssfeedSetting);
+                return true;
+            }
+        };
         setOnPreferenceClickListener(onPreferenceClicked);
         setIconSpaceReserved(false);
     }

app/src/main/java/org/transdroid/core/gui/settings/RssfeedSettingsActivity.java

@@ -74,16 +74,15 @@ public class RssfeedSettingsActivity extends KeyBoundPreferencesActivity {
 
     @Override
     protected Dialog onCreateDialog(int id) {
-        switch (id) {
-            case DIALOG_CONFIRMREMOVE:
-                return new AlertDialog.Builder(this).setMessage(R.string.pref_confirmremove)
-                        .setPositiveButton(android.R.string.ok, new OnClickListener() {
-                            @Override
-                            public void onClick(DialogInterface dialog, int which) {
-                                ApplicationSettings_.getInstance_(RssfeedSettingsActivity.this).removeRssfeedSettings(key);
-                                finish();
-                            }
-                        }).setNegativeButton(android.R.string.cancel, null).create();
+        if (id == DIALOG_CONFIRMREMOVE) {
+            return new AlertDialog.Builder(this).setMessage(R.string.pref_confirmremove)
+                    .setPositiveButton(android.R.string.ok, new OnClickListener() {
+                        @Override
+                        public void onClick(DialogInterface dialog, int which) {
+                            ApplicationSettings_.getInstance_(RssfeedSettingsActivity.this).removeRssfeedSettings(key);
+                            finish();
+                        }
+                    }).setNegativeButton(android.R.string.cancel, null).create();
         }
         return null;
     }

app/src/main/java/org/transdroid/core/gui/settings/ServerPreference.java

@@ -33,17 +33,17 @@ public class ServerPreference extends Preference {
 
     protected ServerSetting serverSetting;
     private OnServerClickedListener onServerClickedListener = null;
-    private OnPreferenceClickListener onPreferenceClicked = new OnPreferenceClickListener() {
-        @Override
-        public boolean onPreferenceClick(Preference preference) {
-            if (onServerClickedListener != null)
-                onServerClickedListener.onServerClicked(serverSetting);
-            return true;
-        }
-    };
 
     public ServerPreference(Context context) {
         super(context);
+        OnPreferenceClickListener onPreferenceClicked = new OnPreferenceClickListener() {
+            @Override
+            public boolean onPreferenceClick(Preference preference) {
+                if (onServerClickedListener != null)
+                    onServerClickedListener.onServerClicked(serverSetting);
+                return true;
+            }
+        };
         setOnPreferenceClickListener(onPreferenceClicked);
         setIconSpaceReserved(false);
     }

app/src/main/java/org/transdroid/core/gui/settings/ServerSettingsActivity.java

@@ -114,16 +114,15 @@ public class ServerSettingsActivity extends KeyBoundPreferencesActivity {
 
     @Override
     protected Dialog onCreateDialog(int id) {
-        switch (id) {
-            case DIALOG_CONFIRMREMOVE:
-                return new AlertDialog.Builder(this).setMessage(R.string.pref_confirmremove)
-                        .setPositiveButton(android.R.string.ok, new OnClickListener() {
-                            @Override
-                            public void onClick(DialogInterface dialog, int which) {
-                                ApplicationSettings_.getInstance_(ServerSettingsActivity.this).removeNormalServerSettings(key);
-                                finish();
-                            }
-                        }).setNegativeButton(android.R.string.cancel, null).create();
+        if (id == DIALOG_CONFIRMREMOVE) {
+            return new AlertDialog.Builder(this).setMessage(R.string.pref_confirmremove)
+                    .setPositiveButton(android.R.string.ok, new OnClickListener() {
+                        @Override
+                        public void onClick(DialogInterface dialog, int which) {
+                            ApplicationSettings_.getInstance_(ServerSettingsActivity.this).removeNormalServerSettings(key);
+                            finish();
+                        }
+                    }).setNegativeButton(android.R.string.cancel, null).create();
         }
         return null;
     }

app/src/main/java/org/transdroid/core/gui/settings/WebsearchPreference.java

@@ -33,17 +33,17 @@ public class WebsearchPreference extends Preference {
 
     private WebsearchSetting websearchSetting;
     private OnWebsearchClickedListener onWebsearchClickedListener = null;
-    private OnPreferenceClickListener onPreferenceClicked = new OnPreferenceClickListener() {
-        @Override
-        public boolean onPreferenceClick(Preference preference) {
-            if (onWebsearchClickedListener != null)
-                onWebsearchClickedListener.onWebsearchClicked(websearchSetting);
-            return true;
-        }
-    };
 
     public WebsearchPreference(Context context) {
         super(context);
+        OnPreferenceClickListener onPreferenceClicked = new OnPreferenceClickListener() {
+            @Override
+            public boolean onPreferenceClick(Preference preference) {
+                if (onWebsearchClickedListener != null)
+                    onWebsearchClickedListener.onWebsearchClicked(websearchSetting);
+                return true;
+            }
+        };
         setOnPreferenceClickListener(onPreferenceClicked);
         setIconSpaceReserved(false);
     }

app/src/main/java/org/transdroid/core/gui/settings/WebsearchSettingsActivity.java

@@ -70,16 +70,15 @@ public class WebsearchSettingsActivity extends KeyBoundPreferencesActivity {
 
     @Override
     protected Dialog onCreateDialog(int id) {
-        switch (id) {
-            case DIALOG_CONFIRMREMOVE:
-                return new AlertDialog.Builder(this).setMessage(R.string.pref_confirmremove)
-                        .setPositiveButton(android.R.string.ok, new OnClickListener() {
-                            @Override
-                            public void onClick(DialogInterface dialog, int which) {
-                                ApplicationSettings_.getInstance_(WebsearchSettingsActivity.this).removeWebsearchSettings(key);
-                                finish();
-                            }
-                        }).setNegativeButton(android.R.string.cancel, null).create();
+        if (id == DIALOG_CONFIRMREMOVE) {
+            return new AlertDialog.Builder(this).setMessage(R.string.pref_confirmremove)
+                    .setPositiveButton(android.R.string.ok, new OnClickListener() {
+                        @Override
+                        public void onClick(DialogInterface dialog, int which) {
+                            ApplicationSettings_.getInstance_(WebsearchSettingsActivity.this).removeWebsearchSettings(key);
+                            finish();
+                        }
+                    }).setNegativeButton(android.R.string.cancel, null).create();
         }
         return null;
     }

app/src/main/java/org/transdroid/core/seedbox/SeedboxPreference.java

@@ -33,17 +33,17 @@ public class SeedboxPreference extends ServerPreference {
     private SeedboxProvider provider = null;
     private OnSeedboxClickedListener onSeedboxClickedListener = null;
     private int onSeedboxClickedListenerOffset = 0;
-    private OnPreferenceClickListener onSeedboxPreferenceClicked = new OnPreferenceClickListener() {
-        @Override
-        public boolean onPreferenceClick(Preference preference) {
-            if (onSeedboxClickedListener != null)
-                onSeedboxClickedListener.onSeedboxClicked(serverSetting, provider, onSeedboxClickedListenerOffset);
-            return true;
-        }
-    };
 
     public SeedboxPreference(Context context) {
         super(context);
+        OnPreferenceClickListener onSeedboxPreferenceClicked = new OnPreferenceClickListener() {
+            @Override
+            public boolean onPreferenceClick(Preference preference) {
+                if (onSeedboxClickedListener != null)
+                    onSeedboxClickedListener.onSeedboxClicked(serverSetting, provider, onSeedboxClickedListenerOffset);
+                return true;
+            }
+        };
         setOnPreferenceClickListener(onSeedboxPreferenceClicked);
     }
 

app/src/main/java/org/transdroid/core/service/ServerCheckerJobRunner.java

@@ -171,10 +171,11 @@ public class ServerCheckerJobRunner {
                 // No notification to show
                 continue;
             }
-            String forString = "";
+            StringBuilder forStringBuilder = new StringBuilder();
             for (Torrent affected : affectedTorrents) {
-                forString += affected.getName() + ", ";
+                forStringBuilder.append(affected.getName()).append(", ");
             }
+            String forString = forStringBuilder.toString();
             forString = forString.substring(0, forString.length() - 2);
 
             // Build the basic notification

app/src/main/java/org/transdroid/daemon/DaemonSettings.java

@@ -191,11 +191,11 @@ public final class DaemonSettings {
     public String getHumanReadableIdentifier() {
         if (isAutoGenerated) {
             // Hide the 'implementation details'; just give the username and server
-            return (this.shouldUseAuthentication() && this.getUsername() != null && this.getUsername() != "" ? this
+            return (this.shouldUseAuthentication() && this.getUsername() != null && !this.getUsername().equals("") ? this
                     .getUsername() + "@" : "") + getAddress();
         }
         return (this.ssl ? "https://" : "http://")
-                + (this.shouldUseAuthentication() && this.getUsername() != null && this.getUsername() != "" ? this
+                + (this.shouldUseAuthentication() && this.getUsername() != null && !this.getUsername().equals("") ? this
                 .getUsername() + "@" : "") + getAddress() + ":" + getPort()
                 + (Daemon.supportsCustomFolder(getType()) && getFolder() != null ? getFolder() : "");
     }

app/src/main/java/org/transdroid/daemon/DummyAdapter.java

@@ -201,6 +201,8 @@ public class DummyAdapter implements IDaemonAdapter {
 
                 case Pause:
 
+                case Resume:
+
                     task.getTargetTorrent().mimicPause();
                     return new DaemonTaskSuccessResult(task);
 
@@ -211,11 +213,6 @@ public class DummyAdapter implements IDaemonAdapter {
                     }
                     return new DaemonTaskSuccessResult(task);
 
-                case Resume:
-
-                    task.getTargetTorrent().mimicPause();
-                    return new DaemonTaskSuccessResult(task);
-
                 case ResumeAll:
 
                     for (Torrent torrent : dummyTorrents) {

app/src/main/java/org/transdroid/daemon/TorrentDetails.java

@@ -81,11 +81,11 @@ public final class TorrentDetails implements Parcelable {
      */
     public String getTrackersText() {
         // Build a string with one tracker URL per line
-        String trackersText = "";
+        StringBuilder trackersText = new StringBuilder();
         for (String tracker : trackers) {
-            trackersText += (trackersText.length() == 0 ? "" : "\n") + tracker;
+            trackersText.append(trackersText.length() == 0 ? "" : "\n").append(tracker);
         }
-        return trackersText;
+        return trackersText.toString();
     }
 
     /**
@@ -95,11 +95,11 @@ public final class TorrentDetails implements Parcelable {
      */
     public String getErrorsText() {
         // Build a string with one tracker error per line
-        String errorsText = "";
+        StringBuilder errorsText = new StringBuilder();
         for (String error : errors) {
-            errorsText += (errorsText.length() == 0 ? "" : "\n") + error;
+            errorsText.append(errorsText.length() == 0 ? "" : "\n").append(error);
         }
-        return errorsText;
+        return errorsText.toString();
     }
 
     public List<Integer> getPieces() {

app/src/main/java/org/transdroid/daemon/TorrentFilesComparator.java

@@ -49,18 +49,18 @@ public class TorrentFilesComparator implements Comparator<TorrentFile> {
                 case PartDone:
                     return Float.compare(file1.getPartDone(), file2.getPartDone());
                 case TotalSize:
-                    return Long.valueOf(file1.getTotalSize()).compareTo(file2.getTotalSize());
+                    return Long.compare(file1.getTotalSize(), file2.getTotalSize());
                 default:
                     return alphanumComparator.compare(file1.getName().toLowerCase(), file2.getName().toLowerCase());
             }
         } else {
             switch (sortBy) {
                 case PartDone:
-                    return 0 - Float.compare(file1.getPartDone(), file2.getPartDone());
+                    return -Float.compare(file1.getPartDone(), file2.getPartDone());
                 case TotalSize:
-                    return 0 - Long.valueOf(file1.getTotalSize()).compareTo(file2.getTotalSize());
+                    return -Long.compare(file1.getTotalSize(), file2.getTotalSize());
                 default:
-                    return 0 - alphanumComparator.compare(file1.getName().toLowerCase(), file2.getName().toLowerCase());
+                    return -alphanumComparator.compare(file1.getName().toLowerCase(), file2.getName().toLowerCase());
             }
         }
     }

app/src/main/java/org/transdroid/daemon/TorrentsComparator.java

@@ -67,42 +67,42 @@ public class TorrentsComparator implements Comparator<Torrent> {
                 case DateDone:
                     return tor1.getDateDone().compareTo(tor2.getDateDone());
                 case Percent:
-                    return Float.valueOf(tor1.getDownloadedPercentage()).compareTo(tor2.getDownloadedPercentage());
+                    return Float.compare(tor1.getDownloadedPercentage(), tor2.getDownloadedPercentage());
                 case DownloadSpeed:
-                    return Integer.valueOf(tor1.getRateDownload()).compareTo(tor2.getRateDownload());
+                    return Integer.compare(tor1.getRateDownload(), tor2.getRateDownload());
                 case UploadSpeed:
-                    return Integer.valueOf(tor1.getRateUpload()).compareTo(tor2.getRateUpload());
+                    return Integer.compare(tor1.getRateUpload(), tor2.getRateUpload());
                 case Ratio:
-                    return Double.valueOf(tor1.getRatio()).compareTo(tor2.getRatio());
+                    return Double.compare(tor1.getRatio(), tor2.getRatio());
                 case Size:
-                    return Double.valueOf(tor1.getTotalSize()).compareTo((double) tor2.getTotalSize());
+                    return Double.compare(tor1.getTotalSize(), (double) tor2.getTotalSize());
                 default:
                     return alphanumComparator.compare(tor1.getName().toLowerCase(), tor2.getName().toLowerCase());
             }
         } else {
             switch (sortBy) {
                 case Status:
-                    return 0 - tor1.getStatusCode().compareStatusCodeTo(tor2.getStatusCode());
+                    return -tor1.getStatusCode().compareStatusCodeTo(tor2.getStatusCode());
                 case DateAdded:
                     if (tor1.getDateAdded() == null)
                         return 1;
                     if (tor2.getDateAdded() == null)
                         return -1;
-                    return 0 - tor1.getDateAdded().compareTo(tor2.getDateAdded());
+                    return -tor1.getDateAdded().compareTo(tor2.getDateAdded());
                 case DateDone:
-                    return 0 - tor1.getDateDone().compareTo(tor2.getDateDone());
+                    return -tor1.getDateDone().compareTo(tor2.getDateDone());
                 case Percent:
-                    return 0 - (Float.valueOf(tor1.getDownloadedPercentage()).compareTo(tor2.getDownloadedPercentage()));
+                    return -(Float.compare(tor1.getDownloadedPercentage(), tor2.getDownloadedPercentage()));
                 case DownloadSpeed:
-                    return 0 - (Integer.valueOf(tor1.getRateDownload()).compareTo(tor2.getRateDownload()));
+                    return -(Integer.compare(tor1.getRateDownload(), tor2.getRateDownload()));
                 case UploadSpeed:
-                    return 0 - (Integer.valueOf(tor1.getRateUpload()).compareTo(tor2.getRateUpload()));
+                    return -(Integer.compare(tor1.getRateUpload(), tor2.getRateUpload()));
                 case Ratio:
-                    return 0 - Double.valueOf(tor1.getRatio()).compareTo(tor2.getRatio());
+                    return -Double.compare(tor1.getRatio(), tor2.getRatio());
                 case Size:
-                    return 0 - Double.valueOf(tor1.getTotalSize()).compareTo((double) tor2.getTotalSize());
+                    return -Double.compare(tor1.getTotalSize(), (double) tor2.getTotalSize());
                 default:
-                    return 0 - alphanumComparator.compare(tor1.getName().toLowerCase(), tor2.getName().toLowerCase());
+                    return -alphanumComparator.compare(tor1.getName().toLowerCase(), tor2.getName().toLowerCase());
             }
         }
     }

app/src/main/java/org/transdroid/daemon/adapters/bitComet/BitCometAdapter.java

@@ -107,7 +107,7 @@ public class BitCometAdapter implements IDaemonAdapter {
             } else if (size.endsWith("B")) {
                 return (long) (Float.parseFloat(size.substring(0, size.indexOf("B"))));
             }
-        } catch (Exception e) {
+        } catch (Exception ignored) {
         }
         return 0;
     }
@@ -277,15 +277,17 @@ public class BitCometAdapter implements IDaemonAdapter {
 
             // Add the parameters to the query string
             boolean first = true;
+            StringBuilder urlBuilder = new StringBuilder(url);
             for (NameValuePair param : params) {
                 if (first) {
-                    url += "?";
+                    urlBuilder.append("?");
                     first = false;
                 } else {
-                    url += "&";
+                    urlBuilder.append("&");
                 }
-                url += param.getName() + "=" + param.getValue();
+                urlBuilder.append(param.getName()).append("=").append(param.getValue());
             }
+            url = urlBuilder.toString();
 
             // Make the request
             HttpResponse response = httpclient.execute(new HttpGet(buildWebUIUrl(url)));

app/src/main/java/org/transdroid/daemon/adapters/buffaloNas/BuffaloNasAdapter.java

@@ -180,15 +180,17 @@ public class BuffaloNasAdapter implements IDaemonAdapter {
 
             // Add the parameters to the query string
             boolean first = true;
+            StringBuilder urlBuilder = new StringBuilder(url);
             for (NameValuePair param : params) {
                 if (first) {
-                    url += "?";
+                    urlBuilder.append("?");
                     first = false;
                 } else {
-                    url += "&";
+                    urlBuilder.append("&");
                 }
-                url += param.getName() + "=" + param.getValue();
+                urlBuilder.append(param.getName()).append("=").append(param.getValue());
             }
+            url = urlBuilder.toString();
 
             // Make the request
             HttpResponse response = httpclient.execute(new HttpGet(buildWebUIUrl(url)));

app/src/main/java/org/transdroid/daemon/adapters/kTorrent/StatsParser.java

@@ -209,12 +209,13 @@ public class StatsParser {
      * @return The size in number of kB
      */
     public static long convertSize(String size) {
+        String s = size.substring(0, size.length() - 4);
         if (size.endsWith("GiB")) {
-            return (long) (convertStringToFloat(size.substring(0, size.length() - 4)) * 1024 * 1024 * 1024);
+            return (long) (convertStringToFloat(s) * 1024 * 1024 * 1024);
         } else if (size.endsWith("MiB")) {
-            return (long) (convertStringToFloat(size.substring(0, size.length() - 4)) * 1024 * 1024);
+            return (long) (convertStringToFloat(s) * 1024 * 1024);
         } else if (size.endsWith("KiB")) {
-            return (long) (convertStringToFloat(size.substring(0, size.length() - 4)) * 1024);
+            return (long) (convertStringToFloat(s) * 1024);
         } else if (size.endsWith("B")) {
             return convertStringToFloat(size.substring(0, size.length() - 2)).longValue();
         }
@@ -228,10 +229,11 @@ public class StatsParser {
      * @return The rate (or speed) in KiB/s
      */
     public static int convertRate(String rate) {
+        String s = rate.substring(0, rate.length() - 6);
         if (rate.endsWith("MiB/s")) {
-            return (int) (convertStringToFloat(rate.substring(0, rate.length() - 6)) * 1024 * 1024);
+            return (int) (convertStringToFloat(s) * 1024 * 1024);
         } else if (rate.endsWith("KiB/s")) {
-            return (int) (convertStringToFloat(rate.substring(0, rate.length() - 6)) * 1024);
+            return (int) (convertStringToFloat(s) * 1024);
         } else if (rate.endsWith("B/s")) {
             return convertStringToFloat(rate.substring(0, rate.length() - 4)).intValue();
         }
@@ -245,22 +247,19 @@ public class StatsParser {
      * @return The status as TorrentStatus or Unknown if it could not been parsed
      */
     private static TorrentStatus convertStatus(String status) {
-        if (status.equals("Downloading")) {
-            return TorrentStatus.Downloading;
-        } else if (status.equals("Seeding")) {
-            return TorrentStatus.Seeding;
-        } else if (status.equals("Stopped")) {
-            return TorrentStatus.Paused;
-        } else if (status.equals("Stalled")) {
-            return TorrentStatus.Paused;
-        } else if (status.equals("Download completed")) {
-            return TorrentStatus.Paused;
-        } else if (status.equals("Not started")) {
-            return TorrentStatus.Paused;
-        } else if (status.equals("Stalled")) {
-            return TorrentStatus.Waiting;
-        } else if (status.equals("Checking data")) {
-            return TorrentStatus.Checking;
+        switch (status) {
+            case "Downloading":
+                return TorrentStatus.Downloading;
+            case "Seeding":
+                return TorrentStatus.Seeding;
+            case "Stopped":
+            case "Download completed":
+            case "Not started":
+                return TorrentStatus.Paused;
+            case "Stalled":
+                return TorrentStatus.Waiting;
+            case "Checking data":
+                return TorrentStatus.Checking;
         }
         return TorrentStatus.Unknown;
     }

app/src/main/java/org/transdroid/daemon/adapters/rTorrent/RTorrentAdapter.java

@@ -332,13 +332,15 @@ public class RTorrentAdapter implements IDaemonAdapter {
             initialise();
         }
 
-        String params = "";
+        StringBuilder paramsBuilder = new StringBuilder();
         for (Object arg : arguments) {
-            params += " " + arg.toString();
+            paramsBuilder.append(" ").append(arg.toString());
         }
+        String params = paramsBuilder.toString();
+        String s = params.length() > 100 ? params.substring(0, 100) + "..." : params;
         try {
             log.d(LOG_NAME, "Calling " + serverMethod + " with params [" +
-                    (params.length() > 100 ? params.substring(0, 100) + "..." : params) + " ]");
+                    s + " ]");
             return rpcclient.call(serverMethod, arguments);
         } catch (IllegalArgumentException e) {
             log.d(LOG_NAME, "Using " + buildWebUIUrl() + ": " + e.toString());
@@ -353,7 +355,7 @@ public class RTorrentAdapter implements IDaemonAdapter {
             }
             throw new DaemonException(ExceptionType.ConnectionError,
                     "Error making call to " + serverMethod + " with params [" +
-                            (params.length() > 100 ? params.substring(0, 100) + "..." : params) + " ]: " +
+                            s + " ]: " +
                             e.toString());
         }
 
@@ -386,7 +388,7 @@ public class RTorrentAdapter implements IDaemonAdapter {
 
     private List<Torrent> onTorrentsRetrieved(Object response) throws DaemonException {
 
-        if (response == null || !(response instanceof Object[])) {
+        if (!(response instanceof Object[])) {
 
             throw new DaemonException(ExceptionType.ParsingFailed,
                     "Response on retrieveing torrents did not return a list of objects");
@@ -532,7 +534,7 @@ public class RTorrentAdapter implements IDaemonAdapter {
 
     private List<TorrentFile> onTorrentFilesRetrieved(Object response, Torrent torrent) throws DaemonException {
 
-        if (response == null || !(response instanceof Object[])) {
+        if (!(response instanceof Object[])) {
 
             throw new DaemonException(ExceptionType.ParsingFailed,
                     "Response on retrieveing torrent files did not return a list of objects");
@@ -639,7 +641,7 @@ public class RTorrentAdapter implements IDaemonAdapter {
 
     private TorrentDetails onTorrentDetailsRetrieved(Log log, Object response) throws DaemonException {
 
-        if (response == null || !(response instanceof Object[])) {
+        if (!(response instanceof Object[])) {
 
             throw new DaemonException(ExceptionType.ParsingFailed,
                     "Response on retrieveing trackers did not return a list of objects");

app/src/main/java/org/transdroid/daemon/adapters/synology/SynologyAdapter.java

@@ -91,8 +91,6 @@ public class SynologyAdapter implements IDaemonAdapter {
             switch (task.getMethod()) {
                 case Retrieve:
                     return new RetrieveTaskSuccessResult((RetrieveTask) task, tasksList(log), null);
-                case GetStats:
-                    return null;
                 case GetTorrentDetails:
                     tid = task.getTargetTorrent().getUniqueID();
                     return new GetTorrentDetailsTaskSuccessResult((GetTorrentDetailsTask) task,
@@ -129,10 +127,6 @@ public class SynologyAdapter implements IDaemonAdapter {
                 case ResumeAll:
                     resumeAllTasks(log);
                     return new DaemonTaskSuccessResult(task);
-                case SetDownloadLocation:
-                    return null;
-                case SetFilePriorities:
-                    return null;
                 case SetTransferRates:
                     SetTransferRatesTask ratesTask = (SetTransferRatesTask) task;
                     int uploadRate = ratesTask.getUploadRate() == null ? 0 : ratesTask.getUploadRate();
@@ -140,6 +134,9 @@ public class SynologyAdapter implements IDaemonAdapter {
                     setTransferRates(log, uploadRate, downloadRate);
                     return new DaemonTaskSuccessResult(task);
                 case SetAlternativeMode:
+                case GetStats:
+                case SetDownloadLocation:
+                case SetFilePriorities:
                 default:
                     return null;
             }

app/src/main/java/org/transdroid/daemon/adapters/tfb4rt/StatsParser.java

@@ -163,12 +163,13 @@ public class StatsParser {
      * @return The size in number of kB
      */
     private static long convertSize(String size) {
+        float v = Float.parseFloat(size.substring(0, size.length() - 3));
         if (size.endsWith("GB")) {
-            return (long) (Float.parseFloat(size.substring(0, size.length() - 3)) * 1024 * 1024 * 1024);
+            return (long) (v * 1024 * 1024 * 1024);
         } else if (size.endsWith("MB")) {
-            return (long) (Float.parseFloat(size.substring(0, size.length() - 3)) * 1024 * 1024);
+            return (long) (v * 1024 * 1024);
         } else if (size.endsWith("kB")) {
-            return (long) (Float.parseFloat(size.substring(0, size.length() - 3)) * 1024);
+            return (long) (v * 1024);
         } else if (size.endsWith("B")) {
             return (long) (Float.parseFloat(size.substring(0, size.length() - 2)));
         }
@@ -216,10 +217,11 @@ public class StatsParser {
      * @return The rate (or speed) in kB/s
      */
     private static int convertRate(String rate) {
+        float v = Float.parseFloat(rate.substring(0, rate.length() - 5));
         if (rate.endsWith("MB/s")) {
-            return (int) (Float.parseFloat(rate.substring(0, rate.length() - 5)) * 1024 * 1024);
+            return (int) (v * 1024 * 1024);
         } else if (rate.endsWith("kB/s")) {
-            return (int) (Float.parseFloat(rate.substring(0, rate.length() - 5)) * 1024);
+            return (int) (v * 1024);
         } else if (rate.endsWith("B/s")) {
             return (int) Float.parseFloat(rate.substring(0, rate.length() - 4));
         }

app/src/main/java/org/transdroid/daemon/adapters/transmission/TransmissionAdapter.java

@@ -567,11 +567,10 @@ public class TransmissionAdapter implements IDaemonAdapter {
                 case 2:
                     return TorrentStatus.Checking;
                 case 3:
+                case 5:
                     return TorrentStatus.Queued;
                 case 4:
                     return TorrentStatus.Downloading;
-                case 5:
-                    return TorrentStatus.Queued;
                 case 6:
                     return TorrentStatus.Seeding;
             }

app/src/main/java/org/transdroid/daemon/adapters/uTorrent/UTorrentAdapter.java

@@ -259,9 +259,9 @@ public class UTorrentAdapter implements IDaemonAdapter, RemoteRssSupplier {
 
                     // Set priorities of the files of some torrent
                     SetFilePriorityTask prioTask = (SetFilePriorityTask) task;
-                    String prioUrl = "&p=" + convertPriority(prioTask.getNewPriority());
+                    StringBuilder prioUrl = new StringBuilder("&p=" + convertPriority(prioTask.getNewPriority()));
                     for (TorrentFile forFile : prioTask.getForFiles()) {
-                        prioUrl += "&f=" + forFile.getKey();
+                        prioUrl.append("&f=").append(forFile.getKey());
                     }
                     makeUtorrentRequest(log,
                             "&action=setprio" + RPC_URL_HASH + task.getTargetTorrent().getUniqueID() + prioUrl);
@@ -291,13 +291,13 @@ public class UTorrentAdapter implements IDaemonAdapter, RemoteRssSupplier {
                     // Set the trackers of some torrent
                     SetTrackersTask trackersTask = (SetTrackersTask) task;
                     // Build list of tracker lines, separated by a \r\n
-                    String newTrackersText = "";
+                    StringBuilder newTrackersText = new StringBuilder();
                     for (String tracker : trackersTask.getNewTrackers()) {
-                        newTrackersText += (newTrackersText.length() == 0 ? "" : "\r\n") + tracker;
+                        newTrackersText.append(newTrackersText.length() == 0 ? "" : "\r\n").append(tracker);
                     }
                     makeUtorrentRequest(log,
                             "&action=setprops" + RPC_URL_HASH + trackersTask.getTargetTorrent().getUniqueID() +
-                                    "&s=trackers&v=" + URLEncoder.encode(newTrackersText, "UTF-8"));
+                                    "&s=trackers&v=" + URLEncoder.encode(newTrackersText.toString(), "UTF-8"));
                     return new DaemonTaskSuccessResult(task);
 
                 case ForceRecheck:
@@ -552,7 +552,7 @@ public class UTorrentAdapter implements IDaemonAdapter, RemoteRssSupplier {
         for (int i = 0; i < results.length(); i++) {
             JSONArray tor = results.getJSONArray(i);
             String name = tor.getString(RPC_NAME_IDX);
-            boolean downloaded = (tor.getLong(RPC_PARTDONE) == 1000l);
+            boolean downloaded = (tor.getLong(RPC_PARTDONE) == 1000L);
             float available = ((float) tor.getInt(RPC_AVAILABILITY_IDX)) / 65536f; // Integer in 1/65536ths
             // The full torrent path is not available in uTorrent web UI API
             // Guess the torrent's directory based on the user-specific default download dir and the torrent name
@@ -641,11 +641,11 @@ public class UTorrentAdapter implements IDaemonAdapter, RemoteRssSupplier {
         ArrayList<Torrent> torrents = parseJsonRetrieveTorrents(result.getJSONArray("torrents"));
 
         // Build a string of hashes of all the torrents
-        String hashes = "";
+        StringBuilder hashes = new StringBuilder();
         for (Torrent torrent : torrents) {
-            hashes += RPC_URL_HASH + torrent.getUniqueID();
+            hashes.append(RPC_URL_HASH).append(torrent.getUniqueID());
         }
-        return hashes;
+        return hashes.toString();
 
     }
 

app/src/main/java/org/transdroid/daemon/adapters/vuze/VuzeAdapter.java

@@ -256,11 +256,9 @@ public class VuzeAdapter implements IDaemonAdapter {
                         throw new DaemonException(ExceptionType.UnexpectedResponse, "No plugin config ID returned on getPluginconfig");
                     }
                     savedPluginConfigID = (Long) config.get("_object_id");
-                    vuzeObjectID = savedPluginConfigID;
-                } else {
-                    // We stored the plugin config ID, so no need to ask for it again
-                    vuzeObjectID = savedPluginConfigID;
                 }
+                // We stored the plugin config ID, so no need to ask for it again
+                vuzeObjectID = savedPluginConfigID;
 
             } else if (serverMethod.equals("createFromBEncodedData[byte[]]")) {
 
@@ -272,11 +270,10 @@ public class VuzeAdapter implements IDaemonAdapter {
                         throw new DaemonException(ExceptionType.UnexpectedResponse, "No torrent manager ID returned on getTorrentManager");
                     }
                     savedTorrentManagerID = (Long) manager.get("_object_id");
-                    vuzeObjectID = savedTorrentManagerID;
-                } else {
-                    // We stored the torrent manager ID, so no need to ask for it again
-                    vuzeObjectID = savedTorrentManagerID;
                 }
+                // We stored the torrent manager ID, so no need to ask for it again
+                vuzeObjectID = savedTorrentManagerID;
+
                 // And we will need the download manager as well later on (for addDownload after createFromBEncodedData)
                 if (savedDownloadManagerID == null) {
                     // Download manager needed, but we don't know it's ID yet
@@ -297,11 +294,9 @@ public class VuzeAdapter implements IDaemonAdapter {
                         throw new DaemonException(ExceptionType.UnexpectedResponse, "No download manager ID returned on getDownloadManager");
                     }
                     savedDownloadManagerID = (Long) manager.get("_object_id");
-                    vuzeObjectID = savedDownloadManagerID;
-                } else {
-                    // We stored the download manager ID, so no need to ask for it again
-                    vuzeObjectID = savedDownloadManagerID;
                 }
+                // We stored the download manager ID, so no need to ask for it again
+                vuzeObjectID = savedDownloadManagerID;
 
             }
         } else {

app/src/main/java/org/transdroid/daemon/adapters/vuze/VuzeXmlOverHttpClient.java

@@ -172,16 +172,14 @@ public class VuzeXmlOverHttpClient {
 
         // Long?
         try {
-            Long longnum = Long.parseLong(rawText);
-            return longnum;
+            return Long.parseLong(rawText);
         } catch (NumberFormatException e) {
             // Just continue trying the next type
         }
 
         // Double?
         try {
-            Double doublenum = Double.parseDouble(rawText);
-            return doublenum;
+            return Double.parseDouble(rawText);
         } catch (NumberFormatException e) {
             // Just continue trying the next type
         }

app/src/main/java/org/transdroid/daemon/util/Collections2.java

@@ -10,12 +10,12 @@ public class Collections2 {
      */
     public static <T> String joinString(Iterable<T> iterable, String separator) {
         boolean first = true;
-        String result = "";
+        StringBuilder result = new StringBuilder();
         for (T anIterable : iterable) {
-            result += (first ? "" : separator) + anIterable.toString();
+            result.append(first ? "" : separator).append(anIterable.toString());
             first = false;
         }
-        return result;
+        return result.toString();
     }
 
 }

app/src/main/java/org/transdroid/daemon/util/SelfSignedTrustManager.java

@@ -78,10 +78,8 @@ public class SelfSignedTrustManager implements X509TrustManager {
                 return;
             }
 
-            CertificateException certificateException =
-                    new CertificateException("Certificate key [" + thumbprint + "] doesn't match expected value.");
             //Log.e(SelfSignedTrustManager.class.getSimpleName(), certificateException.toString());
-            throw certificateException;
+            throw new CertificateException("Certificate key [" + thumbprint + "] doesn't match expected value.");
 
         } catch (NoSuchAlgorithmException e) {
             throw new CertificateException("Unable to check self-signed cert, unknown algorithm. " + e.toString());