common-app-api/src/main/java/org/openecomp/sdc/fe/config/ConfigurationManager.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * SDC
   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
  21 package org.openecomp.sdc.fe.config;
  22
  23 import org.openecomp.sdc.common.api.BasicConfiguration;
  24 import org.openecomp.sdc.common.api.ConfigurationListener;
  25 import org.openecomp.sdc.common.api.ConfigurationSource;
  26 import org.openecomp.sdc.common.api.FileChangeCallback;
  27 import org.openecomp.sdc.common.config.EcompErrorConfiguration;
  28 import org.openecomp.sdc.common.config.IEcompConfigurationManager;
  29 import org.openecomp.sdc.common.rest.api.RestConfigurationInfo;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32
  33 import java.util.HashMap;
  34 import java.util.Map;
  35
  36 public class ConfigurationManager implements FileChangeCallback, IEcompConfigurationManager {
  37
  38         ConfigurationSource configurationSource = null;
  39         private static ConfigurationManager instance;
  40         private static Logger log = LoggerFactory.getLogger(ConfigurationManager.class.getName());
  41
  42         public ConfigurationManager(ConfigurationSource configurationSource) {
  43                 super();
  44                 this.configurationSource = configurationSource;
  45                 loadConfigurationFiles();
  46                 instance = this;
  47         }
  48
  49         Map<String, Object> configurations = new HashMap<>();
  50
  51         private void loadConfigurationFiles() {
  52
  53                 loadConfigurationClass(Configuration.class);
  54                 loadConfigurationClass(RestConfigurationInfo.class);
  55                 loadConfigurationClass(EcompErrorConfiguration.class);
  56                 loadConfigurationClass(PluginsConfiguration.class);
  57
  58         }
  59
  60         private <T extends BasicConfiguration> void loadConfigurationClass(Class<T> clazz) {
  61                 ConfigurationListener configurationListener = new ConfigurationListener(clazz, this);
  62
  63                 log.info("created listener for class {}: {}", clazz.getName(), configurationListener);
  64
  65                 T object = configurationSource.getAndWatchConfiguration(clazz, configurationListener);
  66
  67                 configurations.put(getKey(clazz), object);
  68         }
  69
  70         private <T> String getKey(Class<T> class1) {
  71
  72                 return class1.getSimpleName();
  73
  74         }
  75
  76         public Configuration getConfiguration() {
  77
  78                 return (Configuration) configurations.get(getKey(Configuration.class));
  79
  80         }
  81
  82         public RestConfigurationInfo getRestClientConfiguration() {
  83
  84                 return (RestConfigurationInfo) configurations.get(getKey(RestConfigurationInfo.class));
  85
  86         }
  87
  88         @Override
  89         public EcompErrorConfiguration getEcompErrorConfiguration() {
  90
  91                 return (EcompErrorConfiguration) configurations.get(getKey(EcompErrorConfiguration.class));
  92
  93         }
  94
  95         public PluginsConfiguration getPluginsConfiguration() {
  96
  97                 log.info("requested plugins configuration and got this:{}", configurations.get(getKey(PluginsConfiguration.class)));
  98
  99                 return (PluginsConfiguration) configurations.get(getKey(PluginsConfiguration.class));
 100         }
 101
 102         public Configuration getConfigurationAndWatch(ConfigurationListener configurationListener) {
 103
 104                 if (configurationListener != null) {
 105
 106                         configurationSource.addWatchConfiguration(Configuration.class, configurationListener);
 107
 108                 }
 109                 return (Configuration) configurations.get(getKey(Configuration.class));
 110
 111         }
 112
 113         public void reconfigure(BasicConfiguration obj) {
 114                 //
 115                 // if (obj != null) {
 116                 //
 117                 // if (obj instanceof Configuration) {
 118                 // configurations.put(getKey(Configuration.class), obj);
 119                 // }
 120                 //
 121                 // if (obj instanceof EcompErrorConfiguration) {
 122                 // configurations.put(getKey(EcompErrorConfiguration.class), obj);
 123                 // }
 124                 // }
 125         }
 126
 127         public static ConfigurationManager getConfigurationManager() {
 128                 return instance;
 129         }
 130
 131         public static void setTestInstance(ConfigurationManager configurationManagerInstance) {
 132                 instance = configurationManagerInstance;
 133         }
 134 }