diff options
Diffstat (limited to 'OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter')
3 files changed, 69 insertions, 13 deletions
diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/AsyncTaskResultWrapper.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/AsyncTaskResultWrapper.java new file mode 100644 index 000000000..2ac19c1d9 --- /dev/null +++ b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/AsyncTaskResultWrapper.java @@ -0,0 +1,45 @@ +/* + * Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +package org.sufficientlysecure.keychain.ui.adapter; + +/** + * The AsyncTaskResultWrapper is used to wrap a result from a AsyncTask (for example: Loader). + * You can pass the result and an exception in it if an error occurred. + * Concept found at: + * https://stackoverflow.com/questions/19593577/how-to-handle-errors-in-custom-asynctaskloader + * @param <T> - Typ of the result which is wrapped + */ +public class AsyncTaskResultWrapper <T>{ + + private final T result; + private final Exception error; + + public AsyncTaskResultWrapper(T result, Exception error){ + this.result = result; + this.error = error; + } + + public T getResult() { + return result; + } + + public Exception getError() { + return error; + } + +} diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ImportKeysListLoader.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ImportKeysListLoader.java index 00ad8c957..29e418db7 100644 --- a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ImportKeysListLoader.java +++ b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ImportKeysListLoader.java @@ -33,12 +33,13 @@ import org.sufficientlysecure.keychain.util.PositionAwareInputStream; import android.content.Context; import android.support.v4.content.AsyncTaskLoader; -public class ImportKeysListLoader extends AsyncTaskLoader<List<ImportKeysListEntry>> { +public class ImportKeysListLoader extends AsyncTaskLoader<AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>> { Context mContext; InputData mInputData; ArrayList<ImportKeysListEntry> data = new ArrayList<ImportKeysListEntry>(); + AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>> entryListWrapper; public ImportKeysListLoader(Context context, InputData inputData) { super(context); @@ -47,15 +48,18 @@ public class ImportKeysListLoader extends AsyncTaskLoader<List<ImportKeysListEnt } @Override - public List<ImportKeysListEntry> loadInBackground() { + public AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>> loadInBackground() { + + entryListWrapper = new AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>(data, null); + if (mInputData == null) { Log.e(Constants.TAG, "Input data is null!"); - return data; + return entryListWrapper; } generateListOfKeyrings(mInputData); - return data; + return entryListWrapper; } @Override @@ -77,7 +81,7 @@ public class ImportKeysListLoader extends AsyncTaskLoader<List<ImportKeysListEnt } @Override - public void deliverResult(List<ImportKeysListEntry> data) { + public void deliverResult(AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>> data) { super.deliverResult(data); } diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ImportKeysListServerLoader.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ImportKeysListServerLoader.java index b3bc39127..3a3b6e58b 100644 --- a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ImportKeysListServerLoader.java +++ b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ImportKeysListServerLoader.java @@ -26,15 +26,15 @@ import org.sufficientlysecure.keychain.util.KeyServer; import org.sufficientlysecure.keychain.util.Log; import java.util.ArrayList; -import java.util.List; -public class ImportKeysListServerLoader extends AsyncTaskLoader<List<ImportKeysListEntry>> { +public class ImportKeysListServerLoader extends AsyncTaskLoader<AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>> { Context mContext; String mServerQuery; String mKeyServer; - ArrayList<ImportKeysListEntry> data = new ArrayList<ImportKeysListEntry>(); + private ArrayList<ImportKeysListEntry> entryList = new ArrayList<ImportKeysListEntry>(); + private AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>> entryListWrapper; public ImportKeysListServerLoader(Context context, String serverQuery, String keyServer) { super(context); @@ -44,15 +44,18 @@ public class ImportKeysListServerLoader extends AsyncTaskLoader<List<ImportKeysL } @Override - public List<ImportKeysListEntry> loadInBackground() { + public AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>> loadInBackground() { + + entryListWrapper = new AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>(entryList, null); + if (mServerQuery == null) { Log.e(Constants.TAG, "mServerQuery is null!"); - return data; + return entryListWrapper; } queryServer(mServerQuery, mKeyServer); - return data; + return entryListWrapper; } @Override @@ -74,7 +77,7 @@ public class ImportKeysListServerLoader extends AsyncTaskLoader<List<ImportKeysL } @Override - public void deliverResult(List<ImportKeysListEntry> data) { + public void deliverResult(AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>> data) { super.deliverResult(data); } @@ -87,13 +90,17 @@ public class ImportKeysListServerLoader extends AsyncTaskLoader<List<ImportKeysL ArrayList<ImportKeysListEntry> searchResult = server.search(query); // add result to data - data.addAll(searchResult); + entryList.addAll(searchResult); + entryListWrapper = new AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>(entryList, null); } catch (KeyServer.InsufficientQuery e) { Log.e(Constants.TAG, "InsufficientQuery", e); + entryListWrapper = new AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>(entryList, e); } catch (KeyServer.QueryException e) { Log.e(Constants.TAG, "QueryException", e); + entryListWrapper = new AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>(entryList, e); } catch (KeyServer.TooManyResponses e) { Log.e(Constants.TAG, "TooManyResponses", e); + entryListWrapper = new AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>(entryList, e); } } |