final code style changes

OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/compatibility/DialogFragmentWorkaround.java

@@ -37,8 +37,9 @@ import android.os.Handler;
  * </code>
  */
 public class DialogFragmentWorkaround {
-    public static final SDKLevel17Interface INTERFACE = ((Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) ? new SDKLevel17Impl()
+    public static final SDKLevel17Interface INTERFACE =
-            : new SDKLevelPriorLevel17Impl());
+                ((Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) ? new SDKLevel17Impl()
+                 : new SDKLevelPriorLevel17Impl());
 
     private static final int RUNNABLE_DELAY = 300;
 

OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpDecryptVerify.java

@@ -288,9 +288,11 @@ public class PgpDecryptVerify {
                         // if no passphrase was explicitly set try to get it from the cache service
                         if (mPassphrase == null) {
                             // returns "" if key has no passphrase
-                            mPassphrase = PassphraseCacheService.getCachedPassphrase(mContext, encData.getKeyID());
+                            mPassphrase =
+                                    PassphraseCacheService.getCachedPassphrase(mContext, encData.getKeyID());
 
-                            // if passphrase was not cached, return here indicating that a passphrase is missing!
+                            // if passphrase was not cached, return here
+                            // indicating that a passphrase is missing!
                             if (mPassphrase == null) {
                                 returnData.setKeyPassphraseNeeded(true);
                                 return returnData;
@@ -384,7 +386,8 @@ public class PgpDecryptVerify {
             signatureResult.setKeyId(signatureKeyId);
 
             if (signature != null) {
-                JcaPGPContentVerifierBuilderProvider contentVerifierBuilderProvider = new JcaPGPContentVerifierBuilderProvider()
+                JcaPGPContentVerifierBuilderProvider contentVerifierBuilderProvider =
+                        new JcaPGPContentVerifierBuilderProvider()
                         .setProvider(Constants.BOUNCY_CASTLE_PROVIDER_NAME);
 
                 signature.init(contentVerifierBuilderProvider, signatureKey);
@@ -613,7 +616,8 @@ public class PgpDecryptVerify {
         return returnData;
     }
 
-    private static boolean verifyKeyBinding(Context context, PGPSignature signature, PGPPublicKey signatureKey) {
+    private static boolean verifyKeyBinding(Context context,
+                                            PGPSignature signature, PGPPublicKey signatureKey) {
         long signatureKeyId = signature.getKeyID();
         boolean validKeyBinding = false;
 
@@ -648,7 +652,8 @@ public class PgpDecryptVerify {
             //about keys without subkey signing. Can't get it to import a slightly broken one
             //either, so we will err on bad subkey binding here.
             PGPSignature sig = itr.next();
-            if (sig.getKeyID() == masterPublicKey.getKeyID() && sig.getSignatureType() == PGPSignature.SUBKEY_BINDING) {
+            if (sig.getKeyID() == masterPublicKey.getKeyID() &&
+                    sig.getSignatureType() == PGPSignature.SUBKEY_BINDING) {
                 //check and if ok, check primary key binding.
                 try {
                     sig.init(contentVerifierBuilderProvider, masterPublicKey);
@@ -680,7 +685,7 @@ public class PgpDecryptVerify {
     }
 
     private static boolean verifyPrimaryKeyBinding(PGPSignatureSubpacketVector pkts,
-                                                   PGPPublicKey masterPublicKey, PGPPublicKey signingPublicKey) {
+                          PGPPublicKey masterPublicKey, PGPPublicKey signingPublicKey) {
         boolean validPrimaryKeyBinding = false;
         JcaPGPContentVerifierBuilderProvider contentVerifierBuilderProvider =
                 new JcaPGPContentVerifierBuilderProvider()

OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpImportExport.java

@@ -52,7 +52,8 @@ public class PgpImportExport {
         this.mProgress = progress;
     }
 
-    public PgpImportExport(Context context, ProgressDialogUpdater progress, KeychainServiceListener keychainListener) {
+    public PgpImportExport(Context context,
+                           ProgressDialogUpdater progress, KeychainServiceListener keychainListener) {
         super();
         this.mContext = context;
         this.mProgress = progress;
@@ -252,8 +253,9 @@ public class PgpImportExport {
                         }
                         newPubRing = PGPPublicKeyRing.insertPublicKey(newPubRing, key);
                     }
-                    if (newPubRing != null)
+                    if (newPubRing != null) {
                         ProviderHelper.saveKeyRing(mContext, newPubRing);
+                    }
                     // TODO: remove status returns, use exceptions!
                     status = Id.return_value.ok;
                 }

OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpKeyOperation.java

@@ -287,7 +287,8 @@ public class PgpKeyOperation {
             long numDays =
                     (expiryDate.getTimeInMillis() / 86400000) - (creationDate.getTimeInMillis() / 86400000);
             if (numDays <= 0) {
-                throw new PgpGeneralException(mContext.getString(R.string.error_expiry_must_come_after_creation));
+                throw new PgpGeneralException(
+                        mContext.getString(R.string.error_expiry_must_come_after_creation));
             }
             hashedPacketsGen.setKeyExpirationTime(false, numDays * 86400);
         } else {
@@ -336,8 +337,10 @@ public class PgpKeyOperation {
             keyFlags = 0;
 
             usageId = keysUsages.get(i);
-            canSign = (usageId == Id.choice.usage.sign_only || usageId == Id.choice.usage.sign_and_encrypt);
+            canSign =
-            canEncrypt = (usageId == Id.choice.usage.encrypt_only || usageId == Id.choice.usage.sign_and_encrypt);
+                    (usageId == Id.choice.usage.sign_only || usageId == Id.choice.usage.sign_and_encrypt);
+            canEncrypt =
+                    (usageId == Id.choice.usage.encrypt_only || usageId == Id.choice.usage.sign_and_encrypt);
             if (canSign) {
                 Date todayDate = new Date(); //both sig times the same
                 keyFlags |= KeyFlags.SIGN_DATA;

OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpToX509.java

@@ -258,10 +258,10 @@ public class PgpToX509 {
      *
      * @author Bruno Harbulot.
      */
-    public final static class PredefinedPasswordCallbackHandler implements CallbackHandler {
+    public static final class PredefinedPasswordCallbackHandler implements CallbackHandler {
 
-        private char[] password;
+        private char[] mPassword;
-        private String prompt;
+        private String mPrompt;
 
         public PredefinedPasswordCallbackHandler(String password) {
             this(password == null ? null : password.toCharArray(), null);
@@ -276,16 +276,16 @@ public class PgpToX509 {
         }
 
         public PredefinedPasswordCallbackHandler(char[] password, String prompt) {
-            this.password = password;
+            this.mPassword = password;
-            this.prompt = prompt;
+            this.mPrompt = prompt;
         }
 
         public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException {
             for (Callback callback : callbacks) {
                 if (callback instanceof PasswordCallback) {
                     PasswordCallback pwCallback = (PasswordCallback) callback;
-                    if ((this.prompt == null) || (this.prompt.equals(pwCallback.getPrompt()))) {
+                    if ((this.mPrompt == null) || (this.mPrompt.equals(pwCallback.getPrompt()))) {
-                        pwCallback.setPassword(this.password);
+                        pwCallback.setPassword(this.mPassword);
                     }
                 } else {
                     throw new UnsupportedCallbackException(callback, "Unrecognised callback.");

OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainContract.java

@@ -17,10 +17,9 @@
 
 package org.sufficientlysecure.keychain.provider;
 
-import org.sufficientlysecure.keychain.Constants;
-
 import android.net.Uri;
 import android.provider.BaseColumns;
+import org.sufficientlysecure.keychain.Constants;
 
 public class KeychainContract {
 
@@ -94,10 +93,14 @@ public class KeychainContract {
         public static final Uri CONTENT_URI = BASE_CONTENT_URI_INTERNAL.buildUpon()
                 .appendPath(BASE_KEY_RINGS).build();
 
-        /** Use if multiple items get returned */
+        /**
+         * Use if multiple items get returned
+         */
         public static final String CONTENT_TYPE = "vnd.android.cursor.dir/vnd.thialfihar.apg.key_ring";
 
-        /** Use if a single item is returned */
+        /**
+         * Use if a single item is returned
+         */
         public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/vnd.thialfihar.apg.key_ring";
 
         public static Uri buildUnifiedKeyRingsUri() {
@@ -165,10 +168,14 @@ public class KeychainContract {
         public static final Uri CONTENT_URI = BASE_CONTENT_URI_INTERNAL.buildUpon()
                 .appendPath(BASE_KEY_RINGS).build();
 
-        /** Use if multiple items get returned */
+        /**
+         * Use if multiple items get returned
+         */
         public static final String CONTENT_TYPE = "vnd.android.cursor.dir/vnd.thialfihar.apg.key";
 
-        /** Use if a single item is returned */
+        /**
+         * Use if a single item is returned
+         */
         public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/vnd.thialfihar.apg.key";
 
         public static Uri buildPublicKeysUri(String keyRingRowId) {
@@ -204,10 +211,14 @@ public class KeychainContract {
         public static final Uri CONTENT_URI = BASE_CONTENT_URI_INTERNAL.buildUpon()
                 .appendPath(BASE_KEY_RINGS).build();
 
-        /** Use if multiple items get returned */
+        /**
+         * Use if multiple items get returned
+         */
         public static final String CONTENT_TYPE = "vnd.android.cursor.dir/vnd.thialfihar.apg.user_id";
 
-        /** Use if a single item is returned */
+        /**
+         * Use if a single item is returned
+         */
         public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/vnd.thialfihar.apg.user_id";
 
         public static Uri buildPublicUserIdsUri(String keyRingRowId) {
@@ -243,10 +254,14 @@ public class KeychainContract {
         public static final Uri CONTENT_URI = BASE_CONTENT_URI_INTERNAL.buildUpon()
                 .appendPath(BASE_API_APPS).build();
 
-        /** Use if multiple items get returned */
+        /**
+         * Use if multiple items get returned
+         */
         public static final String CONTENT_TYPE = "vnd.android.cursor.dir/vnd.thialfihar.apg.api_apps";
 
-        /** Use if a single item is returned */
+        /**
+         * Use if a single item is returned
+         */
         public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/vnd.thialfihar.apg.api_apps";
 
         public static Uri buildIdUri(String rowId) {

OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainDatabase.java

@@ -17,6 +17,10 @@
 
 package org.sufficientlysecure.keychain.provider;
 
+import android.content.Context;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
+import android.provider.BaseColumns;
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.provider.KeychainContract.ApiAppsColumns;
 import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRingsColumns;
@@ -24,11 +28,6 @@ import org.sufficientlysecure.keychain.provider.KeychainContract.KeysColumns;
 import org.sufficientlysecure.keychain.provider.KeychainContract.UserIdsColumns;
 import org.sufficientlysecure.keychain.util.Log;
 
-import android.content.Context;
-import android.database.sqlite.SQLiteDatabase;
-import android.database.sqlite.SQLiteOpenHelper;
-import android.provider.BaseColumns;
-
 public class KeychainDatabase extends SQLiteOpenHelper {
     private static final String DATABASE_NAME = "apg.db";
     private static final int DATABASE_VERSION = 7;

OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainProvider.java

@@ -17,21 +17,6 @@
 
 package org.sufficientlysecure.keychain.provider;
 
-import java.util.Arrays;
-import java.util.HashMap;
-
-import org.sufficientlysecure.keychain.Constants;
-import org.sufficientlysecure.keychain.provider.KeychainContract.ApiApps;
-import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
-import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRingsColumns;
-import org.sufficientlysecure.keychain.provider.KeychainContract.KeyTypes;
-import org.sufficientlysecure.keychain.provider.KeychainContract.Keys;
-import org.sufficientlysecure.keychain.provider.KeychainContract.KeysColumns;
-import org.sufficientlysecure.keychain.provider.KeychainContract.UserIds;
-import org.sufficientlysecure.keychain.provider.KeychainContract.UserIdsColumns;
-import org.sufficientlysecure.keychain.provider.KeychainDatabase.Tables;
-import org.sufficientlysecure.keychain.util.Log;
-
 import android.content.ContentProvider;
 import android.content.ContentValues;
 import android.content.UriMatcher;
@@ -43,6 +28,13 @@ import android.database.sqlite.SQLiteQueryBuilder;
 import android.net.Uri;
 import android.provider.BaseColumns;
 import android.text.TextUtils;
+import org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.provider.KeychainContract.*;
+import org.sufficientlysecure.keychain.provider.KeychainDatabase.Tables;
+import org.sufficientlysecure.keychain.util.Log;
+
+import java.util.Arrays;
+import java.util.HashMap;
 
 public class KeychainProvider extends ContentProvider {
     // public static final String ACTION_BROADCAST_DATABASE_CHANGE = Constants.PACKAGE_NAME
@@ -367,7 +359,8 @@ public class KeychainProvider extends ContentProvider {
         projectionMap.put(BaseColumns._ID, Tables.KEY_RINGS + "." + BaseColumns._ID);
         projectionMap.put(KeyRingsColumns.KEY_RING_DATA, Tables.KEY_RINGS + "."
                 + KeyRingsColumns.KEY_RING_DATA);
-        projectionMap.put(KeyRingsColumns.MASTER_KEY_ID, Tables.KEY_RINGS + "." + KeyRingsColumns.MASTER_KEY_ID);
+        projectionMap.put(KeyRingsColumns.MASTER_KEY_ID, Tables.KEY_RINGS + "."
+                + KeyRingsColumns.MASTER_KEY_ID);
         // TODO: deprecated master key id
         //projectionMap.put(KeyRingsColumns.MASTER_KEY_ID, Tables.KEYS + "." + KeysColumns.KEY_ID);
 
@@ -483,7 +476,8 @@ public class KeychainProvider extends ContentProvider {
                 groupBy = Tables.KEY_RINGS + "." + KeyRingsColumns.MASTER_KEY_ID;
 
                 if (TextUtils.isEmpty(sortOrder)) {
-                    sortOrder = KeyRings.TYPE + " DESC, " + Tables.USER_IDS + "." + UserIdsColumns.USER_ID + " ASC";
+                    sortOrder = KeyRings.TYPE + " DESC, " +
+                            Tables.USER_IDS + "." + UserIdsColumns.USER_ID + " ASC";
                 }
 
                 break;

OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainServiceBlobContract.java

@@ -17,10 +17,9 @@
 
 package org.sufficientlysecure.keychain.provider;
 
-import org.sufficientlysecure.keychain.Constants;
-
 import android.net.Uri;
 import android.provider.BaseColumns;
+import org.sufficientlysecure.keychain.Constants;
 
 public class KeychainServiceBlobContract {
 

OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainServiceBlobDatabase.java

@@ -22,7 +22,6 @@ import android.content.Context;
 import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteOpenHelper;
 import android.provider.BaseColumns;
-
 import org.sufficientlysecure.keychain.provider.KeychainServiceBlobContract.BlobsColumns;
 
 public class KeychainServiceBlobDatabase extends SQLiteOpenHelper {

OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainServiceBlobProvider.java

@@ -18,11 +18,6 @@
 
 package org.sufficientlysecure.keychain.provider;
 
-import org.sufficientlysecure.keychain.Constants;
-import org.sufficientlysecure.keychain.provider.KeychainServiceBlobContract.Blobs;
-import org.sufficientlysecure.keychain.provider.KeychainServiceBlobContract.BlobsColumns;
-import org.sufficientlysecure.keychain.util.Log;
-
 import android.content.ContentProvider;
 import android.content.ContentUris;
 import android.content.ContentValues;
@@ -31,7 +26,10 @@ import android.database.sqlite.SQLiteDatabase;
 import android.net.Uri;
 import android.os.ParcelFileDescriptor;
 import android.provider.BaseColumns;
-
+import org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.provider.KeychainServiceBlobContract.Blobs;
+import org.sufficientlysecure.keychain.provider.KeychainServiceBlobContract.BlobsColumns;
+import org.sufficientlysecure.keychain.util.Log;
 
 import java.io.File;
 import java.io.FileNotFoundException;
@@ -55,7 +53,9 @@ public class KeychainServiceBlobProvider extends ContentProvider {
         return true;
     }
 
-    /** {@inheritDoc} */
+    /**
+     * {@inheritDoc}
+     */
     @Override
     public Uri insert(Uri uri, ContentValues ignored) {
         // ContentValues are actually ignored, because we want to store a blob with no more
@@ -74,7 +74,9 @@ public class KeychainServiceBlobProvider extends ContentProvider {
         return Uri.withAppendedPath(insertedUri, password);
     }
 
-    /** {@inheritDoc} */
+    /**
+     * {@inheritDoc}
+     */
     @Override
     public ParcelFileDescriptor openFile(Uri uri, String mode) throws SecurityException,
             FileNotFoundException {
@@ -91,9 +93,9 @@ public class KeychainServiceBlobProvider extends ContentProvider {
 
         // get the data
         SQLiteDatabase db = mBlobDatabase.getReadableDatabase();
-        Cursor result = db.query(KeychainServiceBlobDatabase.TABLE, new String[] { BaseColumns._ID },
+        Cursor result = db.query(KeychainServiceBlobDatabase.TABLE, new String[]{BaseColumns._ID},
                 BaseColumns._ID + " = ? and " + BlobsColumns.KEY + " = ?",
-                new String[] { id, key }, null, null, null);
+                new String[]{id, key}, null, null, null);
 
         if (result.getCount() == 0) {
             // either the key is wrong or no id exists
@@ -124,26 +126,34 @@ public class KeychainServiceBlobProvider extends ContentProvider {
         return null;
     }
 
-    /** {@inheritDoc} */
+    /**
+     * {@inheritDoc}
+     */
     @Override
     public String getType(Uri uri) {
         return null;
     }
 
-    /** {@inheritDoc} */
+    /**
+     * {@inheritDoc}
+     */
     @Override
     public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
-            String sortOrder) {
+                        String sortOrder) {
         return null;
     }
 
-    /** {@inheritDoc} */
+    /**
+     * {@inheritDoc}
+     */
     @Override
     public int delete(Uri uri, String selection, String[] selectionArgs) {
         return 0;
     }
 
-    /** {@inheritDoc} */
+    /**
+     * {@inheritDoc}
+     */
     @Override
     public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
         return 0;

OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/provider/ProviderHelper.java

@@ -17,18 +17,13 @@
 
 package org.sufficientlysecure.keychain.provider;
 
-import java.io.ByteArrayOutputStream;
+import android.content.*;
-import java.io.IOException;
+import android.database.Cursor;
-import java.util.ArrayList;
+import android.database.DatabaseUtils;
-import java.util.Date;
+import android.net.Uri;
-
+import android.os.RemoteException;
 import org.spongycastle.bcpg.ArmoredOutputStream;
-import org.spongycastle.openpgp.PGPKeyRing;
+import org.spongycastle.openpgp.*;
-import org.spongycastle.openpgp.PGPPublicKey;
-import org.spongycastle.openpgp.PGPPublicKeyRing;
-import org.spongycastle.openpgp.PGPSecretKey;
-import org.spongycastle.openpgp.PGPSecretKeyRing;
-import org.spongycastle.openpgp.PGPSignature;
 import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.pgp.PgpConversionHelper;
 import org.sufficientlysecure.keychain.pgp.PgpHelper;
@@ -42,15 +37,10 @@ import org.sufficientlysecure.keychain.service.remote.AppSettings;
 import org.sufficientlysecure.keychain.util.IterableIterator;
 import org.sufficientlysecure.keychain.util.Log;
 
-import android.content.ContentProviderOperation;
+import java.io.ByteArrayOutputStream;
-import android.content.ContentResolver;
+import java.io.IOException;
-import android.content.ContentValues;
+import java.util.ArrayList;
-import android.content.Context;
+import java.util.Date;
-import android.content.OperationApplicationException;
-import android.database.Cursor;
-import android.database.DatabaseUtils;
-import android.net.Uri;
-import android.os.RemoteException;
 
 public class ProviderHelper {
 
@@ -111,7 +101,7 @@ public class ProviderHelper {
     public static PGPPublicKey getPGPPublicKeyByKeyId(Context context, long keyId) {
         PGPPublicKeyRing keyRing = getPGPPublicKeyRingByKeyId(context, keyId);
 
-        return (keyRing == null)? null : keyRing.getPublicKey(keyId);
+        return (keyRing == null) ? null : keyRing.getPublicKey(keyId);
     }
 
     /**
@@ -162,7 +152,8 @@ public class ProviderHelper {
 
         // get current _ID of key
         long currentRowId = -1;
-        Cursor oldQuery = context.getContentResolver().query(deleteUri, new String[]{KeyRings._ID}, null, null, null);
+        Cursor oldQuery = context.getContentResolver()
+                .query(deleteUri, new String[]{KeyRings._ID}, null, null, null);
         if (oldQuery != null && oldQuery.moveToFirst()) {
             currentRowId = oldQuery.getLong(0);
         } else {
@@ -178,10 +169,12 @@ public class ProviderHelper {
 
         ContentValues values = new ContentValues();
         // use exactly the same _ID again to replace key in-place.
-        // NOTE: If we would not use the same _ID again, getting back to the ViewKeyActivity would result in Nullpointer,
+        // NOTE: If we would not use the same _ID again,
+        // getting back to the ViewKeyActivity would result in Nullpointer,
         // because the currently loaded key would be gone from the database
-        if (currentRowId != -1)
+        if (currentRowId != -1) {
             values.put(KeyRings._ID, currentRowId);
+        }
         values.put(KeyRings.MASTER_KEY_ID, masterKeyId);
         values.put(KeyRings.KEY_RING_DATA, keyRing.getEncoded());
 
@@ -205,8 +198,11 @@ public class ProviderHelper {
             ++userIdRank;
         }
 
-        for (PGPSignature certification : new IterableIterator<PGPSignature>(masterKey.getSignaturesOfType(PGPSignature.POSITIVE_CERTIFICATION))) {
+        for (PGPSignature certification :
-            //TODO: how to do this?? we need to verify the signatures again and again when they are displayed...
+                new IterableIterator<PGPSignature>(
+                        masterKey.getSignaturesOfType(PGPSignature.POSITIVE_CERTIFICATION))) {
+            // TODO: how to do this??
+            // we need to verify the signatures again and again when they are displayed...
 //            if (certification.verify
 //            operations.add(buildPublicKeyOperations(context, keyRingRowId, key, rank));
         }
@@ -233,7 +229,8 @@ public class ProviderHelper {
 
         // get current _ID of key
         long currentRowId = -1;
-        Cursor oldQuery = context.getContentResolver().query(deleteUri, new String[]{KeyRings._ID}, null, null, null);
+        Cursor oldQuery = context.getContentResolver()
+                    .query(deleteUri, new String[]{KeyRings._ID}, null, null, null);
         if (oldQuery != null && oldQuery.moveToFirst()) {
             currentRowId = oldQuery.getLong(0);
         } else {
@@ -249,10 +246,12 @@ public class ProviderHelper {
 
         ContentValues values = new ContentValues();
         // use exactly the same _ID again to replace key in-place.
-        // NOTE: If we would not use the same _ID again, getting back to the ViewKeyActivity would result in Nullpointer,
+        // NOTE: If we would not use the same _ID again,
+        // getting back to the ViewKeyActivity would result in Nullpointer,
         // because the currently loaded key would be gone from the database
-        if (currentRowId != -1)
+        if (currentRowId != -1) {
             values.put(KeyRings._ID, currentRowId);
+        }
         values.put(KeyRings.MASTER_KEY_ID, masterKeyId);
         values.put(KeyRings.KEY_RING_DATA, keyRing.getEncoded());
 
@@ -289,7 +288,7 @@ public class ProviderHelper {
      * Build ContentProviderOperation to add PGPPublicKey to database corresponding to a keyRing
      */
     private static ContentProviderOperation buildPublicKeyOperations(Context context,
-                                                                     long keyRingRowId, PGPPublicKey key, int rank) throws IOException {
+                        long keyRingRowId, PGPPublicKey key, int rank) throws IOException {
         ContentValues values = new ContentValues();
         values.put(Keys.KEY_ID, key.getKeyID());
         values.put(Keys.IS_MASTER_KEY, key.isMasterKey());
@@ -317,7 +316,7 @@ public class ProviderHelper {
      * Build ContentProviderOperation to add PublicUserIds to database corresponding to a keyRing
      */
     private static ContentProviderOperation buildPublicUserIdOperations(Context context,
-                                                                        long keyRingRowId, String userId, int rank) {
+                           long keyRingRowId, String userId, int rank) {
         ContentValues values = new ContentValues();
         values.put(UserIds.KEY_RING_ROW_ID, keyRingRowId);
         values.put(UserIds.USER_ID, userId);
@@ -332,7 +331,7 @@ public class ProviderHelper {
      * Build ContentProviderOperation to add PGPSecretKey to database corresponding to a keyRing
      */
     private static ContentProviderOperation buildSecretKeyOperations(Context context,
-                                                                     long keyRingRowId, PGPSecretKey key, int rank) throws IOException {
+                                  long keyRingRowId, PGPSecretKey key, int rank) throws IOException {
         ContentValues values = new ContentValues();
 
         boolean hasPrivate = true;
@@ -369,7 +368,7 @@ public class ProviderHelper {
      * Build ContentProviderOperation to add SecretUserIds to database corresponding to a keyRing
      */
     private static ContentProviderOperation buildSecretUserIdOperations(Context context,
-                                                                        long keyRingRowId, String userId, int rank) {
+                                            long keyRingRowId, String userId, int rank) {
         ContentValues values = new ContentValues();
         values.put(UserIds.KEY_RING_ROW_ID, keyRingRowId);
         values.put(UserIds.USER_ID, userId);
@@ -413,10 +412,10 @@ public class ProviderHelper {
 
         ArrayList<Long> rowIds = new ArrayList<Long>();
         if (cursor != null) {
-            int IdCol = cursor.getColumnIndex(KeyRings._ID);
+            int idCol = cursor.getColumnIndex(KeyRings._ID);
             if (cursor.moveToFirst()) {
                 do {
-                    rowIds.add(cursor.getLong(IdCol));
+                    rowIds.add(cursor.getLong(idCol));
                 } while (cursor.moveToNext());
             }
         }
@@ -496,7 +495,7 @@ public class ProviderHelper {
                         + " AS sign_keys WHERE sign_keys." + Keys.KEY_RING_ROW_ID + " = "
                         + KeychainDatabase.Tables.KEY_RINGS + "." + KeyRings._ID
                         + " AND sign_keys." + Keys.CAN_SIGN + " = '1' AND " + Keys.IS_MASTER_KEY
-                        + " = 1) AS sign",};
+                        + " = 1) AS sign", };
 
         ContentResolver cr = context.getContentResolver();
         Cursor cursor = cr.query(queryUri, projection, null, null, null);