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.openecomp.sdc.common.log.wrappers.Logger;
  31
  32 import java.util.HashMap;
  33 import java.util.Map;
  34
  35 public class ConfigurationManager implements FileChangeCallback, IEcompConfigurationManager {
  36
  37         ConfigurationSource configurationSource = null;
  38         private static ConfigurationManager instance;
  39
  40         private static final Logger log = Logger.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         loadConfigurationClass(WorkspaceConfiguration.class);
  58
  59         }
  60
  61         private <T extends BasicConfiguration> void loadConfigurationClass(Class<T> clazz) {
  62                 ConfigurationListener configurationListener = new ConfigurationListener(clazz, this);
  63
  64                 log.info("created listener for class {}: {}", clazz.getName(), configurationListener);
  65
  66                 T object = configurationSource.getAndWatchConfiguration(clazz, configurationListener);
  67
  68                 configurations.put(getKey(clazz), object);
  69         }
  70
  71         private <T> String getKey(Class<T> class1) {
  72
  73                 return class1.getSimpleName();
  74
  75         }
  76
  77         public Configuration getConfiguration() {
  78
  79                 return (Configuration) configurations.get(getKey(Configuration.class));
  80
  81         }
  82
  83         public RestConfigurationInfo getRestClientConfiguration() {
  84
  85                 return (RestConfigurationInfo) configurations.get(getKey(RestConfigurationInfo.class));
  86
  87         }
  88
  89         @Override
  90         public EcompErrorConfiguration getEcompErrorConfiguration() {
  91
  92                 return (EcompErrorConfiguration) configurations.get(getKey(EcompErrorConfiguration.class));
  93
  94         }
  95
  96         public PluginsConfiguration getPluginsConfiguration() {
  97
  98                 log.info("requested plugins configuration and got this:{}", configurations.get(getKey(PluginsConfiguration.class)));
  99
 100                 return (PluginsConfiguration) configurations.get(getKey(PluginsConfiguration.class));
 101         }
 102
 103
 104     public WorkspaceConfiguration getWorkspaceConfiguration() {
 105
 106         log.info("requested plugins configuration and got this:{}", configurations.get(getKey(WorkspaceConfiguration.class)));
 107
 108         return (WorkspaceConfiguration) configurations.get(getKey(WorkspaceConfiguration.class));
 109     }
 110
 111
 112     public Configuration getConfigurationAndWatch(ConfigurationListener configurationListener) {
 113
 114                 if (configurationListener != null) {
 115
 116                         configurationSource.addWatchConfiguration(Configuration.class, configurationListener);
 117
 118                 }
 119                 return (Configuration) configurations.get(getKey(Configuration.class));
 120
 121         }
 122
 123         public void reconfigure(BasicConfiguration obj) {
 124                 //
 125                 // if (obj != null) {
 126                 //
 127                 // if (obj instanceof Configuration) {
 128                 // configurations.put(getKey(Configuration.class), obj);
 129                 // }
 130                 //
 131                 // if (obj instanceof EcompErrorConfiguration) {
 132                 // configurations.put(getKey(EcompErrorConfiguration.class), obj);
 133                 // }
 134                 // }
 135         }
 136
 137         public static ConfigurationManager getConfigurationManager() {
 138                 return instance;
 139         }
 140
 141         public static void setTestInstance(ConfigurationManager configurationManagerInstance) {
 142                 instance = configurationManagerInstance;
 143         }
 144 }