gerrit.onap Code Review - ccsdk/features.git/blob

   1 /*\r
   2  * Copyright © 2017-2018 AT&T Intellectual Property.\r
   3  * Modifications Copyright © 2018 IBM.\r
   4  *\r
   5  * Licensed under the Apache License, Version 2.0 (the "License");\r
   6  * you may not use this file except in compliance with the License.\r
   7  * You may obtain a copy of the License at\r
   8  *\r
   9  * http://www.apache.org/licenses/LICENSE-2.0\r
  10  *\r
  11  * Unless required by applicable law or agreed to in writing, software\r
  12  * distributed under the License is distributed on an "AS IS" BASIS,\r
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
  14  * See the License for the specific language governing permissions and\r
  15  * limitations under the License.\r
  16  */\r
  17 \r
  18 package org.onap.ccsdk.features.rest.adaptor.service;\r
  19 \r
  20 import java.io.File;\r
  21 import java.io.FileInputStream;\r
  22 import java.io.IOException;\r
  23 import java.io.InputStream;\r
  24 import java.net.URL;\r
  25 import java.util.Map;\r
  26 import java.util.Properties;\r
  27 import java.util.concurrent.ConcurrentHashMap;\r
  28 import java.util.concurrent.Executors;\r
  29 import java.util.concurrent.ScheduledExecutorService;\r
  30 import java.util.concurrent.TimeUnit;\r
  31 import java.util.stream.Collectors;\r
  32 import org.apache.commons.lang3.StringUtils;\r
  33 import org.onap.ccsdk.features.rest.adaptor.ConfigRestAdaptorConstants;\r
  34 import org.onap.ccsdk.features.rest.adaptor.ConfigRestAdaptorException;\r
  35 import org.onap.ccsdk.features.rest.adaptor.data.RestResponse;\r
  36 import com.att.eelf.configuration.EELFLogger;\r
  37 import com.att.eelf.configuration.EELFManager;\r
  38 import org.osgi.framework.Bundle;\r
  39 import org.osgi.framework.BundleContext;\r
  40 import org.osgi.framework.FrameworkUtil;\r
  41 \r
  42 public class ConfigRestAdaptorServiceImpl implements ConfigRestAdaptorService {\r
  43 \r
  44     private static EELFLogger logger = EELFManager.getInstance().getLogger(ConfigRestAdaptorServiceImpl.class);\r
  45     private Map<String, String> restProperties = new ConcurrentHashMap<>();\r
  46 \r
  47     public ConfigRestAdaptorServiceImpl() {\r
  48         this(null);\r
  49     }\r
  50 \r
  51     public ConfigRestAdaptorServiceImpl(final String propertyFilePath) {\r
  52         loadProps(propertyFilePath);\r
  53         try {\r
  54             String envType = restProperties.get(ConfigRestAdaptorConstants.REST_ADAPTOR_BASE_PROPERTY\r
  55                 + ConfigRestAdaptorConstants.REST_ADAPTOR_ENV_TYPE);\r
  56 \r
  57             if (!(ConfigRestAdaptorConstants.PROPERTY_ENV_PROD.equalsIgnoreCase(envType)\r
  58                 || ConfigRestAdaptorConstants.PROPERTY_ENV_SOLO.equalsIgnoreCase(envType))) {\r
  59                 ScheduledExecutorService executor = Executors.newScheduledThreadPool(1);\r
  60                 Runnable task = () -> loadProps(propertyFilePath);\r
  61                 executor.scheduleWithFixedDelay(task, 60, 15, TimeUnit.MINUTES);\r
  62             }\r
  63         } catch (Exception e) {\r
  64             logger.error(e.getMessage(), e);\r
  65         }\r
  66     }\r
  67 \r
  68 \r
  69     // propertyFilePath is only specified in test case.\r
  70     private void loadProps(final String propertyFilePath) {\r
  71         Properties properties = new Properties();\r
  72         if (propertyFilePath != null) {\r
  73             // Loading Default properties\r
  74             String propertyFile =\r
  75                 propertyFilePath + File.separator + ConfigRestAdaptorConstants.REST_ADAPTOR_PROPERTIES_FILE_NAME;\r
  76             doLoadFromPath(propertyFile, properties);\r
  77         } else {\r
  78             // Try to load config from dir\r
  79             final String ccsdkConfigDir =\r
  80                 System.getProperty(ConfigRestAdaptorConstants.SDNC_ROOT_DIR_ENV_VAR_KEY) + File.separator\r
  81                     + ConfigRestAdaptorConstants.REST_ADAPTOR_PROPERTIES_FILE_NAME;\r
  82             try (FileInputStream in = new FileInputStream(ccsdkConfigDir)) {\r
  83                 properties.load(in);\r
  84                 logger.info("Loaded {} properties from file {}", properties.size(), ccsdkConfigDir);\r
  85             } catch (Exception e) {\r
  86                 // Try to load config from jar\r
  87                 final Bundle bundle = FrameworkUtil.getBundle(ConfigRestAdaptorServiceImpl.class);\r
  88                 final BundleContext ctx = bundle.getBundleContext();\r
  89                 final URL url = ctx.getBundle()\r
  90                     .getResource(ConfigRestAdaptorConstants.REST_ADAPTOR_PROPERTIES_FILE_NAME);\r
  91                 doLoadFromPath(url.getPath(), properties);\r
  92             }\r
  93         }\r
  94         restProperties.putAll(properties.entrySet().stream()\r
  95             .collect(Collectors.toMap(e -> e.getKey().toString(), e -> e.getValue().toString())));\r
  96     }\r
  97 \r
  98     private void doLoadFromPath(final String propertyFile, final Properties properties) {\r
  99         try (FileInputStream in = new FileInputStream(propertyFile)) {\r
 100             properties.load(in);\r
 101             logger.info("Loaded {} properties from file {}", properties.size(), propertyFile);\r
 102         } catch (Exception e) {\r
 103             logger.error("Failed to load properties for file: {} "\r
 104                 + ConfigRestAdaptorConstants.REST_ADAPTOR_PROPERTIES_FILE_NAME, e);\r
 105         }\r
 106     }\r
 107 \r
 108     @Override\r
 109     public <T> T getResource(String serviceSelector, String path, Class<T> responseType)\r
 110         throws ConfigRestAdaptorException {\r
 111         return getRestClientAdapterBySelectorName(serviceSelector).getResource(path, responseType);\r
 112     }\r
 113 \r
 114     @Override\r
 115     public <T> T postResource(String serviceSelector, String path, Object request, Class<T> responseType)\r
 116         throws ConfigRestAdaptorException {\r
 117         return getRestClientAdapterBySelectorName(serviceSelector).postResource(path, request, responseType);\r
 118     }\r
 119 \r
 120     @Override\r
 121     public <T> T exchangeResource(String serviceSelector, String path, Object request, Class<T> responseType,\r
 122         String method) throws ConfigRestAdaptorException {\r
 123         return getRestClientAdapterBySelectorName(serviceSelector).exchangeResource(path, request, responseType,\r
 124             method);\r
 125     }\r
 126 \r
 127     @Override\r
 128     public RestResponse getResource(String serviceSelector, String path) throws ConfigRestAdaptorException {\r
 129         return getRestClientAdapterBySelectorName(serviceSelector).getResource(path);\r
 130     }\r
 131 \r
 132     @Override\r
 133     public RestResponse postResource(String serviceSelector, String path, Object request)\r
 134         throws ConfigRestAdaptorException {\r
 135         return getRestClientAdapterBySelectorName(serviceSelector).postResource(path, request);\r
 136     }\r
 137 \r
 138     @Override\r
 139     public RestResponse exchangeResource(String serviceSelector, String path, Object request, String method)\r
 140         throws ConfigRestAdaptorException {\r
 141         return getRestClientAdapterBySelectorName(serviceSelector).exchangeResource(path, request, method);\r
 142     }\r
 143 \r
 144     private ConfigRestClientServiceAdapter getRestClientAdapterBySelectorName(String serviceSelector)\r
 145         throws ConfigRestAdaptorException {\r
 146         String adoptorType = restProperties.get(ConfigRestAdaptorConstants.REST_ADAPTOR_BASE_PROPERTY + serviceSelector\r
 147             + ConfigRestAdaptorConstants.SERVICE_TYPE_PROPERTY);\r
 148         if (StringUtils.isNotBlank(adoptorType)) {\r
 149             if (ConfigRestAdaptorConstants.REST_ADAPTOR_TYPE_GENERIC.equalsIgnoreCase(adoptorType)) {\r
 150                 return new GenericRestClientAdapterImpl(restProperties, serviceSelector);\r
 151             } else if (ConfigRestAdaptorConstants.REST_ADAPTOR_TYPE_SSL.equalsIgnoreCase(adoptorType)) {\r
 152                 return new SSLRestClientAdapterImpl(restProperties, serviceSelector);\r
 153             } else {\r
 154                 throw new ConfigRestAdaptorException(\r
 155                     String.format("no implementation for rest adoptor type (%s) for the selector (%s).",\r
 156                         adoptorType, serviceSelector));\r
 157             }\r
 158         } else {\r
 159             throw new ConfigRestAdaptorException(\r
 160                 String.format("couldn't get rest adoptor type for the selector (%s)", serviceSelector));\r
 161         }\r
 162     }\r
 163 \r
 164 }\r