forked from community/device-mgt-plugins
harshanl
9 years ago
parent
9d807400ce
commit
92317260d3
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/*
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* Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
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*
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* WSO2 Inc. licenses this file to you under the Apache License,
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* Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License.
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* you may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.wso2.carbon.device.mgt.mobile.impl.android.gcm;
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/**
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* Represents model object for holding GCM response data.
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*/
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public class GCMResult {
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private String errorMsg;
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private String msg;
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private int statusCode;
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public String getErrorMsg() {
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return errorMsg;
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}
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public void setErrorMsg(String errorMsg) {
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this.errorMsg = errorMsg;
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}
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public String getMsg() {
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return msg;
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}
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public void setMsg(String msg) {
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this.msg = msg;
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}
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public int getStatusCode() {
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return statusCode;
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}
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public void setStatusCode(int statusCode) {
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this.statusCode = statusCode;
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}
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}
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/*
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* Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
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*
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* WSO2 Inc. licenses this file to you under the Apache License,
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* Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License.
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* you may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.wso2.carbon.device.mgt.mobile.impl.android.gcm;
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import com.google.gson.*;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.wso2.carbon.context.CarbonContext;
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import org.wso2.carbon.device.mgt.common.Device;
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import org.wso2.carbon.device.mgt.common.DeviceManagementException;
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import org.wso2.carbon.device.mgt.common.configuration.mgt.ConfigurationEntry;
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import org.wso2.carbon.device.mgt.common.configuration.mgt.TenantConfiguration;
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import org.wso2.carbon.device.mgt.common.spi.DeviceManagementService;
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import org.wso2.carbon.device.mgt.mobile.impl.android.util.AndroidPluginConstants;
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import org.wso2.carbon.device.mgt.mobile.internal.MobileDeviceManagementDataHolder;
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import java.io.*;
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import java.net.HttpURLConnection;
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import java.net.ProtocolException;
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import java.net.URL;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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/**
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* Implements utility methods used by GCMService.
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*/
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public class GCMUtil {
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private static final Log log = LogFactory.getLog(GCMService.class);
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private final static String GCM_ENDPOINT = "https://gcm-http.googleapis.com/gcm/send";
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private static final String GCM_API_KEY = "gcmAPIKey";
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private static final int TIME_TO_LIVE = 60;
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private static final int HTTP_STATUS_CODE_OK = 200;
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private static HashMap<Integer,TenantConfiguration> tenantConfigurationCache = new HashMap<>();
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public static GCMResult sendWakeUpCall(String message, List<Device> devices) {
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GCMResult result = new GCMResult();
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byte[] bytes = getGCMRequest(message, getGCMTokens(devices)).getBytes();
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HttpURLConnection conn;
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try {
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conn = (HttpURLConnection) (new URL(GCM_ENDPOINT)).openConnection();
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conn.setDoOutput(true);
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conn.setUseCaches(false);
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conn.setFixedLengthStreamingMode(bytes.length);
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conn.setRequestMethod("POST");
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conn.setRequestProperty("Content-Type", "application/json");
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conn.setRequestProperty("Authorization", "key=" + getConfigurationProperty(GCM_API_KEY));
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OutputStream out = conn.getOutputStream();
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out.write(bytes);
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out.close();
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int status = conn.getResponseCode();
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result.setStatusCode(status);
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if (status != HTTP_STATUS_CODE_OK) {
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result.setErrorMsg(getString(conn.getErrorStream()));
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} else {
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result.setMsg(getString(conn.getInputStream()));
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}
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} catch (ProtocolException e) {
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log.error("Exception occurred while setting the HTTP protocol.", e);
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} catch (IOException ex) {
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log.error("Exception occurred while sending the GCM request.", ex);
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}
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return result;
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}
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private static String getString(InputStream stream) throws IOException {
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if (stream != null) {
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BufferedReader reader = new BufferedReader(new InputStreamReader(stream));
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StringBuilder content = new StringBuilder();
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String newLine;
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do {
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newLine = reader.readLine();
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if (newLine != null) {
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content.append(newLine).append('\n');
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}
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} while (newLine != null);
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if (content.length() > 0) {
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content.setLength(content.length() - 1);
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}
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return content.toString();
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}
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return null;
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}
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private static String getGCMRequest(String message, List<String> registrationIds) {
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JsonObject gcmRequest = new JsonObject();
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gcmRequest.addProperty("delay_while_idle", false);
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gcmRequest.addProperty("time_to_live", TIME_TO_LIVE);
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//Add message to GCM request
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JsonObject data = new JsonObject();
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if (message != null && !message.isEmpty()) {
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data.addProperty("data", message);
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gcmRequest.add("data", data);
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}
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//Set device reg-ids
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JsonArray regIds = new JsonArray();
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for (String regId : registrationIds) {
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regIds.add(new JsonPrimitive(regId));
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}
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gcmRequest.add("registration_ids", regIds);
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return gcmRequest.toString();
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}
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private static List<String> getGCMTokens(List<Device> devices) {
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List<String> tokens = new ArrayList<>();
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for (Device device : devices) {
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tokens.add(getGCMToken(device.getProperties()));
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}
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return tokens;
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}
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private static String getGCMToken(List<Device.Property> properties) {
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String gcmToken = null;
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for (Device.Property property : properties) {
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if (AndroidPluginConstants.GCM_TOKEN.equals(property.getName())) {
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gcmToken = property.getValue();
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break;
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}
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}
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return gcmToken;
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}
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public static String getConfigurationProperty(String property) {
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DeviceManagementService androidDMService = MobileDeviceManagementDataHolder.getInstance().
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getAndroidDeviceManagementService();
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try {
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//Get the TenantConfiguration from cache if not we'll get it from DM service
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TenantConfiguration tenantConfiguration = getTenantConfigurationFromCache();
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if (tenantConfiguration == null) {
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tenantConfiguration = androidDMService.getDeviceManager().getConfiguration();
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if (tenantConfiguration != null) {
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addTenantConfigurationToCache(tenantConfiguration);
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}
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}
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if (tenantConfiguration != null) {
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List<ConfigurationEntry> configs = tenantConfiguration.getConfiguration();
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for (ConfigurationEntry entry : configs) {
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if (property.equals(entry.getName())) {
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return (String) entry.getValue();
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}
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}
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}
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return "";
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} catch (DeviceManagementException e) {
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log.error("Exception occurred while fetching the tenant-config.",e);
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}
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return null;
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}
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private static void addTenantConfigurationToCache(TenantConfiguration tenantConfiguration) {
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tenantConfigurationCache.put(getTenantId(), tenantConfiguration);
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}
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private static TenantConfiguration getTenantConfigurationFromCache() {
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return tenantConfigurationCache.get(getTenantId());
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}
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private static int getTenantId() {
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return CarbonContext.getThreadLocalCarbonContext().getTenantId();
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}
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}
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