From d4f5188f3d0d841f24bce2bc798dfde08e60d8ea Mon Sep 17 00:00:00 2001 From: Saad Sahibjan Date: Mon, 15 Feb 2021 22:07:39 +0530 Subject: [PATCH] Implement SMS configuration file loading and initialization --- .../core/config/SMSConfigurationManager.java | 99 +++++++++++++++++++ 1 file changed, 99 insertions(+) create mode 100644 components/sms-mgt/io.entgra.sms.mgt.core/src/main/java/io/entgra/sms/mgt/core/config/SMSConfigurationManager.java diff --git a/components/sms-mgt/io.entgra.sms.mgt.core/src/main/java/io/entgra/sms/mgt/core/config/SMSConfigurationManager.java b/components/sms-mgt/io.entgra.sms.mgt.core/src/main/java/io/entgra/sms/mgt/core/config/SMSConfigurationManager.java new file mode 100644 index 0000000000..bf90872d9b --- /dev/null +++ b/components/sms-mgt/io.entgra.sms.mgt.core/src/main/java/io/entgra/sms/mgt/core/config/SMSConfigurationManager.java @@ -0,0 +1,99 @@ +/* + * Copyright (c) 2021, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved. + * + * Entgra (Pvt) Ltd. licenses this file to you under the Apache License, + * Version 2.0 (the "License"); you may not use this file except + * in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package io.entgra.sms.mgt.core.config; + +import io.entgra.sms.mgt.common.SMSMgtConstants; +import io.entgra.sms.mgt.common.config.SMSConfiguration; +import org.apache.commons.logging.Log; +import org.apache.commons.logging.LogFactory; +import org.w3c.dom.Document; +import org.wso2.carbon.device.mgt.common.exceptions.DeviceManagementException; +import org.wso2.carbon.device.mgt.core.util.DeviceManagerUtil; +import org.wso2.carbon.utils.CarbonUtils; + +import javax.xml.bind.JAXBContext; +import javax.xml.bind.JAXBException; +import javax.xml.bind.Unmarshaller; +import java.io.File; + +/** + * Responsible for the SMS configuration initialization. + */ +public class SMSConfigurationManager { + + private static final Log log = LogFactory.getLog(SMSConfigurationManager.class); + private static SMSConfigurationManager smsConfigurationManager; + private SMSConfiguration smsConfiguration; + private static final String SMS_CONFIG_PATH = CarbonUtils.getCarbonConfigDirPath() + File.separator + + SMSMgtConstants.SMS_CONFIG_XML_NAME; + + /** + * Retrieve an instance of {@link SMSConfigurationManager} + * @return an instance of {@link SMSConfigurationManager} + */ + public static SMSConfigurationManager getInstance() { + if (smsConfigurationManager == null) { + synchronized (SMSConfigurationManager.class) { + if (smsConfigurationManager == null) { + smsConfigurationManager = new SMSConfigurationManager(); + } + } + } + return smsConfigurationManager; + } + + /** + * Initialize the SMS Configuration through the provided configuration location + * @param configLocation has the path of the SMS configuration file + * @throws DeviceManagementException throws when there are any errors during the initialization of + * SMS configuration + */ + public synchronized void initConfig(String configLocation) throws DeviceManagementException { + try { + File smsConfig = new File(configLocation); + Document doc = DeviceManagerUtil.convertToDocument(smsConfig); + + /* Un-marshaling SMS configuration */ + JAXBContext smsContext = JAXBContext.newInstance(SMSConfiguration.class); + Unmarshaller unmarshaller = smsContext.createUnmarshaller(); + this.smsConfiguration = (SMSConfiguration) unmarshaller.unmarshal(doc); + } catch (JAXBException e) { + String msg = "Error occurred while initializing SMS config '" + configLocation + "'"; + log.error(msg, e); + throw new DeviceManagementException(msg, e); + } + } + + /** + * Initialize the SMS Configuration through the sms-config.xml file in the SMS_CONFIG_PATH + * @throws DeviceManagementException throws when there are any errors during the initialization of + * SMS configuration + */ + public void initConfig() throws DeviceManagementException { + this.initConfig(SMS_CONFIG_PATH); + } + + /** + * Retrieves the initialized {@link SMSConfiguration} + * @return the initialized {@link SMSConfiguration} + */ + public SMSConfiguration getSMSConfig() { + return smsConfiguration; + } +}