ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/PAPRestConfig.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP-PAP-REST
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20 package org.onap.policy.pap.xacml.rest;
  21
  22 import java.io.FileInputStream;
  23 import java.io.IOException;
  24 import java.io.InputStream;
  25 import java.util.Properties;
  26
  27 import javax.annotation.PostConstruct;
  28 import javax.sql.DataSource;
  29
  30 import org.apache.tomcat.dbcp.dbcp2.BasicDataSource;
  31 import org.hibernate.SessionFactory;
  32 import org.onap.policy.common.logging.flexlogger.FlexLogger;
  33 import org.onap.policy.common.logging.flexlogger.Logger;
  34 import org.springframework.beans.factory.annotation.Autowired;
  35 import org.springframework.context.annotation.Bean;
  36 import org.springframework.context.annotation.ComponentScan;
  37 import org.springframework.context.annotation.Configuration;
  38 import org.springframework.orm.hibernate4.HibernateTransactionManager;
  39 import org.springframework.orm.hibernate4.LocalSessionFactoryBuilder;
  40 import org.springframework.transaction.annotation.EnableTransactionManagement;
  41 import org.springframework.web.servlet.config.annotation.EnableWebMvc;
  42 import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
  43
  44 @Configuration
  45 @EnableWebMvc
  46 @EnableTransactionManagement
  47 @ComponentScan(basePackages = { "org.onap.*", "com.*" })
  48 public class PAPRestConfig extends WebMvcConfigurerAdapter {
  49         private static final Logger LOGGER      = FlexLogger.getLogger(PAPRestConfig.class);
  50
  51         private static String dbDriver = null;
  52         private static String dbUrl = null;
  53         private static String dbUserName = null;
  54         private static String dbPassword = null;
  55
  56         @PostConstruct
  57         public void init(){
  58                 Properties prop = new Properties();
  59                 InputStream input = null;
  60                 try {
  61                         input = new FileInputStream("xacml.pap.properties");
  62                         // load a properties file
  63                         prop.load(input);
  64                         setDbDriver(prop.getProperty("javax.persistence.jdbc.driver"));
  65                         setDbUrl(prop.getProperty("javax.persistence.jdbc.url"));
  66                         setDbUserName(prop.getProperty("javax.persistence.jdbc.user"));
  67                         setDbPassword(prop.getProperty("javax.persistence.jdbc.password"));
  68                 }catch(Exception e){
  69                         LOGGER.error("Exception Occured while loading properties file"+e);
  70                 }finally{
  71                         if(input != null){
  72                                 try {
  73                                         input.close();
  74                                 } catch (IOException e) {
  75                                         LOGGER.error("Exception Occured while clsoing the stream"+e);
  76                                 }
  77                         }
  78                 }
  79         }
  80
  81         @Bean(name = "dataSource")
  82         public DataSource getDataSource() {
  83             BasicDataSource dataSource = new BasicDataSource();
  84             dataSource.setDriverClassName(PAPRestConfig.getDbDriver());
  85             dataSource.setUrl(PAPRestConfig.getDbUrl());
  86             dataSource.setUsername(PAPRestConfig.getDbUserName());
  87             dataSource.setPassword(PAPRestConfig.getDbPassword());
  88             return dataSource;
  89         }
  90
  91         @Autowired
  92         @Bean(name = "sessionFactory")
  93         public SessionFactory getSessionFactory(DataSource dataSource) {
  94             LocalSessionFactoryBuilder sessionBuilder = new LocalSessionFactoryBuilder(dataSource);
  95             sessionBuilder.scanPackages("org.onap.*", "com.*");
  96             sessionBuilder.addProperties(getHibernateProperties());
  97             return sessionBuilder.buildSessionFactory();
  98         }
  99
 100         private Properties getHibernateProperties() {
 101                 Properties properties = new Properties();
 102                 properties.put("hibernate.show_sql", "true");
 103                 properties.put("hibernate.dialect", "org.hibernate.dialect.MySQLDialect");
 104                 return properties;
 105         }
 106
 107         @Autowired
 108         @Bean(name = "transactionManager")
 109         public HibernateTransactionManager getTransactionManager(SessionFactory sessionFactory) {
 110                 return new HibernateTransactionManager(sessionFactory);
 111         }
 112
 113         public static String getDbDriver() {
 114                 return dbDriver;
 115         }
 116
 117         public static void setDbDriver(String dbDriver) {
 118                 PAPRestConfig.dbDriver = dbDriver;
 119         }
 120
 121         public static String getDbUrl() {
 122                 return dbUrl;
 123         }
 124
 125         public static void setDbUrl(String dbUrl) {
 126                 PAPRestConfig.dbUrl = dbUrl;
 127         }
 128
 129         public static String getDbUserName() {
 130                 return dbUserName;
 131         }
 132
 133         public static void setDbUserName(String dbUserName) {
 134                 PAPRestConfig.dbUserName = dbUserName;
 135         }
 136
 137         public static String getDbPassword() {
 138                 return dbPassword;
 139         }
 140
 141         public static void setDbPassword(String dbPassword) {
 142                 PAPRestConfig.dbPassword = dbPassword;
 143         }
 144
 145 }