Java tutorial
/* * Nextcloud Android client application * * @author Tobias Kaminsky * Copyright (C) 2017 Tobias Kaminsky * Copyright (C) 2017 Nextcloud GmbH. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package com.owncloud.android.lib.resources.files; import com.owncloud.android.lib.common.OwnCloudClient; import com.owncloud.android.lib.common.operations.RemoteOperation; import com.owncloud.android.lib.common.operations.RemoteOperationResult; import com.owncloud.android.lib.common.utils.Log_OC; import org.apache.commons.httpclient.HttpStatus; import org.apache.commons.httpclient.methods.DeleteMethod; /** * Unlock a file */ public class UnlockFileOperation extends RemoteOperation { private static final String TAG = UnlockFileOperation.class.getSimpleName(); private static final int SYNC_READ_TIMEOUT = 40000; private static final int SYNC_CONNECTION_TIMEOUT = 5000; private static final String LOCK_FILE_URL = "/ocs/v2.php/apps/end_to_end_encryption/api/v1/lock/"; private static final String TOKEN = "token"; private String localId; private String token; /** * Constructor */ public UnlockFileOperation(String localId, String token) { this.localId = localId; this.token = token; } /** * @param client Client object */ @Override protected RemoteOperationResult run(OwnCloudClient client) { RemoteOperationResult result; DeleteMethod deleteMethod = null; try { // remote request deleteMethod = new DeleteMethod(client.getBaseUri() + LOCK_FILE_URL + localId); deleteMethod.addRequestHeader(OCS_API_HEADER, OCS_API_HEADER_VALUE); deleteMethod.addRequestHeader(CONTENT_TYPE, FORM_URLENCODED); deleteMethod.addRequestHeader(TOKEN, token); int status = client.executeMethod(deleteMethod, SYNC_READ_TIMEOUT, SYNC_CONNECTION_TIMEOUT); result = new RemoteOperationResult(status == HttpStatus.SC_OK, deleteMethod); client.exhaustResponse(deleteMethod.getResponseBodyAsStream()); } catch (Exception e) { result = new RemoteOperationResult(e); Log_OC.e(TAG, "Unlock file with id " + localId + " failed: " + result.getLogMessage(), result.getException()); } finally { if (deleteMethod != null) deleteMethod.releaseConnection(); } return result; } }