X-Git-Url: http://git.linex4red.de/pub/Android/ownCloud.git/blobdiff_plain/788debb3824323642a51e7edc89efed5903af425..6da5d3c212d80042e07c29e9cedbf40643039b4b:/src/com/owncloud/android/operations/RemoteOperation.java diff --git a/src/com/owncloud/android/operations/RemoteOperation.java b/src/com/owncloud/android/operations/RemoteOperation.java deleted file mode 100644 index e2304b10..00000000 --- a/src/com/owncloud/android/operations/RemoteOperation.java +++ /dev/null @@ -1,286 +0,0 @@ -/* ownCloud Android client application - * Copyright (C) 2012-2013 ownCloud Inc. - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2, - * as published by the Free Software Foundation. - * - * 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 . - * - */ -package com.owncloud.android.operations; - -import java.io.IOException; - -import org.apache.commons.httpclient.Credentials; - -import com.owncloud.android.Log_OC; -import com.owncloud.android.MainApp; -import com.owncloud.android.network.BearerCredentials; -import com.owncloud.android.network.OwnCloudClientUtils; -import com.owncloud.android.network.webdav.WebdavClient; -import com.owncloud.android.operations.RemoteOperationResult.ResultCode; - -import android.accounts.Account; -import android.accounts.AccountManager; -import android.accounts.AccountsException; -import android.app.Activity; -import android.content.Context; -import android.os.Handler; - - -/** - * Operation which execution involves one or several interactions with an ownCloud server. - * - * Provides methods to execute the operation both synchronously or asynchronously. - * - * @author David A. Velasco - */ -public abstract class RemoteOperation implements Runnable { - - private static final String TAG = RemoteOperation.class.getSimpleName(); - - /** ownCloud account in the remote ownCloud server to operate */ - private Account mAccount = null; - - /** Android Application context */ - private Context mContext = null; - - /** Object to interact with the remote server */ - private WebdavClient mClient = null; - - /** Callback object to notify about the execution of the remote operation */ - private OnRemoteOperationListener mListener = null; - - /** Handler to the thread where mListener methods will be called */ - private Handler mListenerHandler = null; - - /** Activity */ - private Activity mCallerActivity; - - - /** - * Abstract method to implement the operation in derived classes. - */ - protected abstract RemoteOperationResult run(WebdavClient client); - - - /** - * Synchronously executes the remote operation on the received ownCloud account. - * - * Do not call this method from the main thread. - * - * This method should be used whenever an ownCloud account is available, instead of {@link #execute(WebdavClient)}. - * - * @param account ownCloud account in remote ownCloud server to reach during the execution of the operation. - * @param context Android context for the component calling the method. - * @return Result of the operation. - */ - public final RemoteOperationResult execute(Account account, Context context) { - if (account == null) - throw new IllegalArgumentException("Trying to execute a remote operation with a NULL Account"); - if (context == null) - throw new IllegalArgumentException("Trying to execute a remote operation with a NULL Context"); - mAccount = account; - mContext = context.getApplicationContext(); - try { - mClient = OwnCloudClientUtils.createOwnCloudClient(mAccount, mContext); - } catch (Exception e) { - Log_OC.e(TAG, "Error while trying to access to " + mAccount.name, e); - return new RemoteOperationResult(e); - } - return run(mClient); - } - - - /** - * Synchronously executes the remote operation - * - * Do not call this method from the main thread. - * - * @param client Client object to reach an ownCloud server during the execution of the operation. - * @return Result of the operation. - */ - public final RemoteOperationResult execute(WebdavClient client) { - if (client == null) - throw new IllegalArgumentException("Trying to execute a remote operation with a NULL WebdavClient"); - mClient = client; - return run(client); - } - - - /** - * Asynchronously executes the remote operation - * - * This method should be used whenever an ownCloud account is available, instead of {@link #execute(WebdavClient)}. - * - * @param account ownCloud account in remote ownCloud server to reach during the execution of the operation. - * @param context Android context for the component calling the method. - * @param listener Listener to be notified about the execution of the operation. - * @param listenerHandler Handler associated to the thread where the methods of the listener objects must be called. - * @return Thread were the remote operation is executed. - */ - public final Thread execute(Account account, Context context, OnRemoteOperationListener listener, Handler listenerHandler, Activity callerActivity) { - if (account == null) - throw new IllegalArgumentException("Trying to execute a remote operation with a NULL Account"); - if (context == null) - throw new IllegalArgumentException("Trying to execute a remote operation with a NULL Context"); - mAccount = account; - mContext = context.getApplicationContext(); - mCallerActivity = callerActivity; - mClient = null; // the client instance will be created from mAccount and mContext in the runnerThread to create below - - mListener = listener; - - mListenerHandler = listenerHandler; - - Thread runnerThread = new Thread(this); - runnerThread.start(); - return runnerThread; - } - - - /** - * Asynchronously executes the remote operation - * - * @param client Client object to reach an ownCloud server during the execution of the operation. - * @param listener Listener to be notified about the execution of the operation. - * @param listenerHandler Handler associated to the thread where the methods of the listener objects must be called. - * @return Thread were the remote operation is executed. - */ - public final Thread execute(WebdavClient client, OnRemoteOperationListener listener, Handler listenerHandler) { - if (client == null) { - throw new IllegalArgumentException("Trying to execute a remote operation with a NULL WebdavClient"); - } - mClient = client; - - if (listener == null) { - throw new IllegalArgumentException("Trying to execute a remote operation asynchronously without a listener to notiy the result"); - } - mListener = listener; - - if (listenerHandler == null) { - throw new IllegalArgumentException("Trying to execute a remote operation asynchronously without a handler to the listener's thread"); - } - mListenerHandler = listenerHandler; - - Thread runnerThread = new Thread(this); - runnerThread.start(); - return runnerThread; - } - - /** - * Synchronously retries the remote operation using the same WebdavClient in the last call to {@link RemoteOperation#execute(WebdavClient)} - * - * @param listener Listener to be notified about the execution of the operation. - * @param listenerHandler Handler associated to the thread where the methods of the listener objects must be called. - * @return Thread were the remote operation is executed. - */ - public final RemoteOperationResult retry() { - return execute(mClient); - } - - /** - * Asynchronously retries the remote operation using the same WebdavClient in the last call to {@link RemoteOperation#execute(WebdavClient, OnRemoteOperationListener, Handler)} - * - * @param listener Listener to be notified about the execution of the operation. - * @param listenerHandler Handler associated to the thread where the methods of the listener objects must be called. - * @return Thread were the remote operation is executed. - */ - public final Thread retry(OnRemoteOperationListener listener, Handler listenerHandler) { - return execute(mClient, listener, listenerHandler); - } - - - /** - * Asynchronous execution of the operation - * started by {@link RemoteOperation#execute(WebdavClient, OnRemoteOperationListener, Handler)}, - * and result posting. - * - * TODO refactor && clean the code; now it's a mess - */ - @Override - public final void run() { - RemoteOperationResult result = null; - boolean repeat = false; - do { - try{ - if (mClient == null) { - if (mAccount != null && mContext != null) { - if (mCallerActivity != null) { - mClient = OwnCloudClientUtils.createOwnCloudClient(mAccount, mContext, mCallerActivity); - } else { - mClient = OwnCloudClientUtils.createOwnCloudClient(mAccount, mContext); - } - } else { - throw new IllegalStateException("Trying to run a remote operation asynchronously with no client instance or account"); - } - } - - } catch (IOException e) { - Log_OC.e(TAG, "Error while trying to access to " + mAccount.name, new AccountsException("I/O exception while trying to authorize the account", e)); - result = new RemoteOperationResult(e); - - } catch (AccountsException e) { - Log_OC.e(TAG, "Error while trying to access to " + mAccount.name, e); - result = new RemoteOperationResult(e); - } - - if (result == null) - result = run(mClient); - - repeat = false; - if (mCallerActivity != null && mAccount != null && mContext != null && !result.isSuccess() && -// (result.getCode() == ResultCode.UNAUTHORIZED || (result.isTemporalRedirection() && result.isIdPRedirection()))) { - (result.getCode() == ResultCode.UNAUTHORIZED || result.isIdPRedirection())) { - /// possible fail due to lack of authorization in an operation performed in foreground - Credentials cred = mClient.getCredentials(); - String ssoSessionCookie = mClient.getSsoSessionCookie(); - if (cred != null || ssoSessionCookie != null) { - /// confirmed : unauthorized operation - AccountManager am = AccountManager.get(mContext); - boolean bearerAuthorization = (cred != null && cred instanceof BearerCredentials); - boolean samlBasedSsoAuthorization = (cred == null && ssoSessionCookie != null); - if (bearerAuthorization) { - am.invalidateAuthToken(MainApp.getAccountType(), ((BearerCredentials)cred).getAccessToken()); - } else if (samlBasedSsoAuthorization ) { - am.invalidateAuthToken(MainApp.getAccountType(), ssoSessionCookie); - } else { - am.clearPassword(mAccount); - } - mClient = null; - repeat = true; // when repeated, the creation of a new OwnCloudClient after erasing the saved credentials will trigger the login activity - result = null; - } - } - } while (repeat); - - final RemoteOperationResult resultToSend = result; - if (mListenerHandler != null && mListener != null) { - mListenerHandler.post(new Runnable() { - @Override - public void run() { - mListener.onRemoteOperationFinish(RemoteOperation.this, resultToSend); - } - }); - } - } - - - /** - * Returns the current client instance to access the remote server. - * - * @return Current client instance to access the remote server. - */ - public final WebdavClient getClient() { - return mClient; - } - - -}