/*
* Copyright (c) 2014, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. 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 org.wso2.carbon.device.mgt.core.config;
import org.w3c.dom.Document;
import org.wso2.carbon.device.mgt.common.DeviceManagementConstants;
import org.wso2.carbon.device.mgt.common.DeviceManagementException;
import org.wso2.carbon.device.mgt.core.config.email.NotificationMessagesConfig;
import org.wso2.carbon.device.mgt.core.util.DeviceManagerUtil;
import org.wso2.carbon.utils.CarbonUtils;
import org.xml.sax.SAXException;
import javax.xml.XMLConstants;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;
import javax.xml.validation.Schema;
import javax.xml.validation.SchemaFactory;
import java.io.File;
/**
* Class responsible for the cdm manager configuration initialization.
*/
public class DeviceConfigurationManager {
private DeviceManagementConfig currentDeviceConfig;
private NotificationMessagesConfig notificationMessagesConfig;
private static DeviceConfigurationManager deviceConfigManager;
private static final String DEVICE_MGT_CONFIG_PATH =
CarbonUtils.getCarbonConfigDirPath() + File.separator +
DeviceManagementConstants.DataSourceProperties.DEVICE_CONFIG_XML_NAME;
private static final String DEVICE_MGT_CONFIG_SCHEMA_PATH = "resources/config/schema/device-mgt-config-schema.xsd";
private static final String NOTIFICATION_MSG_CONFIG_PATH =
CarbonUtils.getCarbonConfigDirPath() + File.separator +
DeviceManagementConstants.NotificationProperties.NOTIFICATION_CONFIG_FILE;
public static DeviceConfigurationManager getInstance() {
if (deviceConfigManager == null) {
synchronized (DeviceConfigurationManager.class) {
if (deviceConfigManager == null) {
deviceConfigManager = new DeviceConfigurationManager();
}
}
}
return deviceConfigManager;
}
public synchronized void initConfig() throws DeviceManagementException {
try {
File deviceMgtConfig = new File(DeviceConfigurationManager.DEVICE_MGT_CONFIG_PATH);
Document doc = DeviceManagerUtil.convertToDocument(deviceMgtConfig);
/* Un-marshaling Device Management configuration */
JAXBContext cdmContext = JAXBContext.newInstance(DeviceManagementConfig.class);
Unmarshaller unmarshaller = cdmContext.createUnmarshaller();
//unmarshaller.setSchema(getSchema());
this.currentDeviceConfig = (DeviceManagementConfig) unmarshaller.unmarshal(doc);
} catch (JAXBException e) {
throw new DeviceManagementException("Error occurred while initializing Data Source config", e);
}
try {
File notificationConfig = new File(DeviceConfigurationManager.NOTIFICATION_MSG_CONFIG_PATH);
Document doc = DeviceManagerUtil.convertToDocument(notificationConfig);
/* Un-marshaling Notifications Management configuration */
JAXBContext notificationContext = JAXBContext.newInstance(NotificationMessagesConfig.class);
Unmarshaller unmarshaller = notificationContext.createUnmarshaller();
this.notificationMessagesConfig = (NotificationMessagesConfig) unmarshaller.unmarshal(doc);
} catch(JAXBException e){
throw new DeviceManagementException("Error occurred while initializing Notification settings config", e);
}
}
private static Schema getSchema() throws DeviceManagementException {
try {
File deviceManagementSchemaConfig = new File(DeviceConfigurationManager.DEVICE_MGT_CONFIG_SCHEMA_PATH);
SchemaFactory factory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
return factory.newSchema(deviceManagementSchemaConfig);
} catch (SAXException e) {
throw new DeviceManagementException("Error occurred while initializing the schema of " +
"device-mgt-config.xml", e);
}
}
public DeviceManagementConfig getDeviceManagementConfig() {
return currentDeviceConfig;
}
public NotificationMessagesConfig getNotificationMessagesConfig() {
return notificationMessagesConfig;
}
}