Java tutorial
/* * Copyright (c) 2016, 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 ${groupId}.${rootArtifactId}.plugin.impl.dao.util; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.wso2.carbon.device.mgt.common.Device; import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import java.util.List; /** * Contains utility methods used by ${rootArtifactId} plugin. */ public class DeviceTypeUtils { private static Log log = LogFactory.getLog(DeviceTypeUtils.class); public static String getDeviceProperty(List<Device.Property> deviceProperties, String propertyKey) { String deviceProperty = ""; for (Device.Property property : deviceProperties) { if (propertyKey.equals(property.getName())) { deviceProperty = property.getValue(); } } return deviceProperty; } public static Device.Property getProperty(String property, String value) { if (property != null) { Device.Property prop = new Device.Property(); prop.setName(property); prop.setValue(value); return prop; } return null; } public static void cleanupResources(Connection conn, PreparedStatement stmt, ResultSet rs) { if (rs != null) { try { rs.close(); } catch (SQLException e) { log.warn("Error occurred while closing result set", e); } } if (stmt != null) { try { stmt.close(); } catch (SQLException e) { log.warn("Error occurred while closing prepared statement", e); } } if (conn != null) { try { conn.close(); } catch (SQLException e) { log.warn("Error occurred while closing database connection", e); } } } public static void cleanupResources(PreparedStatement stmt, ResultSet rs) { cleanupResources(null, stmt, rs); } }