Java tutorial
/* Nextcloud Android Library is available under MIT license * * Copyright (C) 2016 Nextcloud * Copyright (C) 2016 Andy Scherzinger * Copyright (C) 2015 ownCloud Inc. * Copyright (C) 2015 Bartosz Przybylski * Copyright (C) 2014 Marcello Steiner * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * */ package com.owncloud.android.lib.resources.users; import com.owncloud.android.lib.common.OwnCloudBasicCredentials; 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.NameValuePair; import org.apache.commons.httpclient.methods.GetMethod; import org.json.JSONException; import org.json.JSONObject; import java.util.ArrayList; /** * Gets a logged in user's quota information (free, used, total and quota). * * @author marcello * @author Andy Scherzinger */ public class RemoteGetUserQuotaOperation extends RemoteOperation { static public class Quota { private long mFree, mUsed, mTotal, mQuota; private double mRelative; public Quota(long free, long used, long total, double relative, long quota) { mFree = free; mUsed = used; mTotal = total; mRelative = relative; mQuota = quota; } public long getFree() { return mFree; } public long getUsed() { return mUsed; } public long getTotal() { return mTotal; } public long getQuota() { return mQuota; } public double getRelative() { return mRelative; } } private static final String TAG = RemoteGetUserQuotaOperation.class.getSimpleName(); private static final String NODE_OCS = "ocs"; private static final String NODE_DATA = "data"; private static final String NODE_QUOTA = "quota"; private static final String NODE_QUOTA_FREE = "free"; private static final String NODE_QUOTA_USED = "used"; private static final String NODE_QUOTA_TOTAL = "total"; private static final String NODE_QUOTA_RELATIVE = "relative"; /** * Quota return value for a not computed space value. */ public static final long SPACE_NOT_COMPUTED = -1; /** * Quota return value for unknown space value. */ public static final long SPACE_UNKNOWN = -2; /** * Quota return value for unlimited space. */ public static final long SPACE_UNLIMITED = -3; /** * Quota return value for quota information not available. */ public static final long QUOTA_LIMIT_INFO_NOT_AVAILABLE = Long.MIN_VALUE; // OCS Route private static final String OCS_ROUTE = "/ocs/v1.php/cloud/users/"; @Override protected RemoteOperationResult run(OwnCloudClient client) { RemoteOperationResult result = null; int status; GetMethod get = null; //Get the user try { OwnCloudBasicCredentials credentials = (OwnCloudBasicCredentials) client.getCredentials(); String url = client.getBaseUri() + OCS_ROUTE + credentials.getUsername(); get = new GetMethod(url); get.addRequestHeader(OCS_API_HEADER, OCS_API_HEADER_VALUE); get.setQueryString(new NameValuePair[] { new NameValuePair("format", "json") }); status = client.executeMethod(get); if (isSuccess(status)) { String response = get.getResponseBodyAsString(); // Parse the response JSONObject respJSON = new JSONObject(response); JSONObject respOCS = respJSON.getJSONObject(NODE_OCS); JSONObject respData = respOCS.getJSONObject(NODE_DATA); JSONObject quota = respData.getJSONObject(NODE_QUOTA); final Long quotaFree = quota.getLong(NODE_QUOTA_FREE); final Long quotaUsed = quota.getLong(NODE_QUOTA_USED); final Long quotaTotal = quota.getLong(NODE_QUOTA_TOTAL); final Double quotaRelative = quota.getDouble(NODE_QUOTA_RELATIVE); Long quotaValue; try { quotaValue = quota.getLong(NODE_QUOTA); } catch (JSONException e) { Log_OC.i(TAG, "Legacy server in use < Nextcloud 9.0.54"); quotaValue = QUOTA_LIMIT_INFO_NOT_AVAILABLE; } // Result result = new RemoteOperationResult(true, status, get.getResponseHeaders()); // Quota data in data collection ArrayList<Object> data = new ArrayList<>(); data.add(new Quota(quotaFree, quotaUsed, quotaTotal, quotaRelative, quotaValue)); result.setData(data); } else { result = new RemoteOperationResult(false, status, get.getResponseHeaders()); String response = get.getResponseBodyAsString(); Log_OC.e(TAG, "Failed response while getting user quota information "); if (response != null) { Log_OC.e(TAG, "*** status code: " + status + " ; response message: " + response); } else { Log_OC.e(TAG, "*** status code: " + status); } } } catch (Exception e) { result = new RemoteOperationResult(e); Log_OC.e(TAG, "Exception while getting OC user information", e); } finally { if (get != null) { get.releaseConnection(); } } return result; } private boolean isSuccess(int status) { return (status == HttpStatus.SC_OK); } }