DAO Layer Implementation

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/config/DeviceConfigurationManager.java

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+/*
+ * 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.
+ * 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.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+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.rssmanager.core.dao.RSSDAOFactory;
+import org.wso2.carbon.rssmanager.core.environment.EnvironmentManager;
+import org.wso2.carbon.rssmanager.core.environment.EnvironmentManagerFactory;
+import org.wso2.carbon.rssmanager.core.exception.RSSManagerException;
+import org.wso2.carbon.rssmanager.core.manager.adaptor.EnvironmentAdaptor;
+import org.wso2.carbon.rssmanager.core.util.RSSDbCreator;
+import org.wso2.carbon.rssmanager.core.util.RSSManagerUtil;
+import org.wso2.carbon.utils.CarbonUtils;
+
+import javax.sql.DataSource;
+import javax.xml.bind.JAXBContext;
+import javax.xml.bind.Unmarshaller;
+import java.io.File;
+
+/**
+ * Class responsible for the rss manager configuration initialization
+ */
+public class DeviceConfigurationManager {
+
+    private RSSConfig currentRSSConfig;
+    private static DeviceConfigurationManager deviceConfigManager;
+
+    private static final Log log = LogFactory.getLog(DeviceConfigurationManager.class);
+    private final String rssConfigXMLPath = CarbonUtils.getCarbonConfigDirPath() + File.separator + "conf" + File
+            .separator +
+            DeviceManagementConstants.DataSourceProperties.DEVICE_CONFIG_XML_NAME;
+
+    private final String cdmSetupSql = CarbonUtils.getCarbonHome() + File.separator + "repository" + File.separator +
+            "conf" + File.separator + "dbscripts";
+
+    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 rssConfig = new File(rssConfigXMLPath);
+            Document doc = RSSManagerUtil.convertToDocument(rssConfig);
+            //rss-config supports secure vault as it needs to be resolve when parsing
+            RSSManagerUtil.secureResolveDocument(doc);
+            /* Un-marshaling RSS configuration */
+            JAXBContext rssContext = JAXBContext.newInstance(RSSConfig.class);
+            Unmarshaller unmarshaller = rssContext.createUnmarshaller();
+            this.currentRSSConfig = (RSSConfig) unmarshaller.unmarshal(doc);
+            //set jndi data source name for future use
+            RSSManagerUtil.setJndiDataSourceName(currentRSSConfig.getRSSManagementRepository().getDataSourceConfig().
+                    getJndiLookupDefintion().getJndiName());
+            DataSource dataSource = RSSDAOFactory.resolveDataSource(this.currentRSSConfig.getRSSManagementRepository()
+                    .getDataSourceConfig());
+            RSSManagerUtil.setDataSource(dataSource);
+            String setupOption = System.getProperty("setup");
+            //if -Dsetup option specified then create rss manager tables
+            if (setupOption != null) {
+                log.info("Setup option specified");
+                RSSDbCreator dbCreator = new RSSDbCreator(dataSource);
+                dbCreator.setRssDBScriptDirectory(cdmSetupSql);
+                log.info("Creating Meta Data tables");
+                dbCreator.createRegistryDatabase();
+            }
+            //Initialization of environment manager
+            EnvironmentManager environmentManager = EnvironmentManagerFactory.getEnvironmentManager(currentRSSConfig.
+                    getRSSEnvironments());
+            environmentManager
+                    .initEnvironments(currentRSSConfig.getRSSProvider(), currentRSSConfig.getRSSManagementRepository());
+            this.adaptor = new EnvironmentAdaptor(environmentManager);
+        } catch (Exception e) {
+            throw new RSSManagerException("Error occurred while initializing RSS config", e);
+        }
+    }
+
+    public RSSConfig getCurrentRSSConfig() {
+        return currentRSSConfig;
+    }
+}

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/config/DeviceMgtConfig.java

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+/*
+ * 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.
+ * 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.wso2.carbon.rssmanager.core.environment.Environment;
+
+import javax.xml.bind.annotation.XmlElement;
+import javax.xml.bind.annotation.XmlElementWrapper;
+import javax.xml.bind.annotation.XmlRootElement;
+
+/**
+ * Represents RSS configuration.
+ */
+@XmlRootElement(name = "RSSConfiguration")
+public final class DeviceMgtConfig {
+
+	private String rssProvider;
+	private Environment[] environments;
+	private RSSManagementRepository rssMgtRepository;
+
+	@XmlElement(name = "ManagementRepository", nillable = false)
+	public RSSManagementRepository getRSSManagementRepository() {
+		return rssMgtRepository;
+	}
+
+	public void setRSSManagementRepository(RSSManagementRepository rssMgtRepository) {
+		this.rssMgtRepository = rssMgtRepository;
+	}
+
+	@XmlElementWrapper(name = "Environments", nillable = false)
+	@XmlElement(name = "Environment", nillable = false)
+	public Environment[] getRSSEnvironments() {
+		return environments;
+	}
+
+	public void setRSSEnvironments(Environment[] environments) {
+		this.environments = environments;
+	}
+
+	@XmlElement(name = "Provider", nillable = false)
+	public String getRSSProvider() {
+		return rssProvider;
+	}
+
+	public void setRSSProvider(String rssProvider) {
+		this.rssProvider = rssProvider;
+	}
+
+}