netbox-client/provider/src/main/java/org/onap/ccsdk/sli/adaptors/netbox/property/NetboxProperties.java

   1 /*
   2  * Copyright (C) 2018 Bell Canada.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.onap.ccsdk.sli.adaptors.netbox.property;
  17
  18 import java.io.FileInputStream;
  19 import java.io.IOException;
  20 import java.io.InputStream;
  21 import java.net.URL;
  22 import java.util.Properties;
  23 import org.osgi.framework.Bundle;
  24 import org.osgi.framework.BundleContext;
  25 import org.osgi.framework.FrameworkUtil;
  26 import org.slf4j.Logger;
  27 import org.slf4j.LoggerFactory;
  28
  29 public class NetboxProperties {
  30
  31     private static final Logger LOG = LoggerFactory.getLogger(NetboxProperties.class);
  32
  33     private static final String NETBOX_PROPERTY_FILE_NAME = "netbox.properties";
  34     private static final String DEFAULT_PROPERTIES_DIR = "/opt/onap/ccsdk/data/properties";
  35     private static final String PROPERTIES_DIR_KEY = "SDNC_CONFIG_DIR";
  36
  37     private static final String NETBOX_URL_PROP = "org.onap.ccsdk.sli.adaptors.netbox.url";
  38     private static final String NETBOX_API_KEY_PROP = "org.onap.ccsdk.sli.adaptors.netbox.apikey";
  39
  40     private Properties properties;
  41
  42     public NetboxProperties() {
  43         loadProps();
  44     }
  45
  46     public String getHost() {
  47         return properties.getProperty(NETBOX_URL_PROP);
  48     }
  49
  50     public String getApiKey() {
  51         return properties.getProperty(NETBOX_API_KEY_PROP);
  52     }
  53
  54     private void loadProps() {
  55         properties = new Properties();
  56         // Try to load config from dir
  57         final String ccsdkConfigDir =
  58             System.getProperty(PROPERTIES_DIR_KEY, DEFAULT_PROPERTIES_DIR) + "/" + NETBOX_PROPERTY_FILE_NAME;
  59         try (FileInputStream in = new FileInputStream(ccsdkConfigDir)) {
  60             properties.load(in);
  61             LOG.info("Loaded {} properties from file {}", properties.size(), ccsdkConfigDir);
  62         } catch (Exception e) {
  63             try {
  64                 // Try to load config from jar via OSGi
  65                 final Bundle bundle = FrameworkUtil.getBundle(NetboxProperties.class);
  66                 final BundleContext ctx = bundle.getBundleContext();
  67                 final URL url = ctx.getBundle().getResource(NETBOX_PROPERTY_FILE_NAME);
  68                 InputStream inputStream = url.openStream();
  69                 properties.load(inputStream);
  70                 LOG.info("Loaded {} properties from file {}", properties.size(), NETBOX_PROPERTY_FILE_NAME);
  71             } catch (NoClassDefFoundError e1) {
  72                 // Try to load config from jar via class loader
  73                 try (InputStream inputStream = NetboxProperties.class.getResourceAsStream("/"+NETBOX_PROPERTY_FILE_NAME)) {
  74                     properties.load(inputStream);
  75                 } catch (Exception e2) {
  76                     LOG.error("Failed to load properties for file: {} " + NETBOX_PROPERTY_FILE_NAME, e1);
  77                 }
  78                 ;
  79                 LOG.info("Loaded {} properties from file {}", properties.size(), NETBOX_PROPERTY_FILE_NAME);
  80
  81             } catch (IOException e1) {
  82                 LOG.error("Failed to load properties for file: {} " + NETBOX_PROPERTY_FILE_NAME, e1);
  83             }
  84         }
  85     }
  86 }