sdnr/wireless-transport/code-Carbon-SR1/apps/apigateway/impl/src/main/java/com/highstreet/technologies/apigateway/MyProperties.java

   1 package com.highstreet.technologies.apigateway;
   2
   3 import java.io.File;
   4 import java.io.FileInputStream;
   5 import java.io.FileWriter;
   6 import java.io.IOException;
   7 import java.util.HashMap;
   8 import java.util.Map;
   9 import java.util.Properties;
  10
  11 import org.json.JSONArray;
  12 import org.slf4j.Logger;
  13 import org.slf4j.LoggerFactory;
  14
  15 public class MyProperties {
  16
  17         private static Logger LOG = LoggerFactory.getLogger(MyProperties.class);
  18         public static final String PROPFILE = "etc/apigateway.properties";
  19         private static final String DEFAULT_AAI_HEADERS = "[\"X-FromAppId:SDNR\",\"Authorization: Basic QUFJOkFBSQ==\"]";
  20
  21         @Override
  22         public String toString() {
  23                 return "MyProperties [aaiBase=" + aaiBase + ", aaiHeaders=" + aaiHeaders + ", esBase=" + esBase
  24                                 + ", trustInsecure=" + trustInsecure + ", corsEnabled=" + corsEnabled + "]";
  25         }
  26
  27         private static MyProperties mObj;
  28
  29         private String aaiBase;
  30         private Map<String, String> aaiHeaders;
  31         private String esBase;
  32
  33         private boolean trustInsecure;
  34
  35         private boolean corsEnabled;
  36
  37         public boolean isAAIOff() {
  38                 return this.aaiBase == null ? true : this.aaiBase.equals("off");
  39         }
  40
  41         public boolean isEsOff() {
  42                 return this.esBase == null ? true : this.esBase.equals("off");
  43         }
  44
  45         public String getAAIBaseUrl() {
  46                 return this.aaiBase;
  47         }
  48
  49         public String getEsBaseUrl() {
  50                 return this.esBase;
  51         }
  52
  53         public Map<String, String> getAAIHeaders() {
  54                 return this.aaiHeaders;
  55         }
  56
  57         public boolean trustInsecure() {
  58                 return this.trustInsecure;
  59         }
  60
  61         public boolean corsEnabled() {
  62                 return this.corsEnabled;
  63         }
  64
  65         public static MyProperties Instantiate(String filename) throws IOException, NumberFormatException {
  66                 mObj = new MyProperties(filename);
  67                 if (mObj != null)
  68                         LOG.debug("instantiated:" + mObj.toString());
  69                 return mObj;
  70         }
  71
  72         private MyProperties(String filename) throws IOException, NumberFormatException {
  73                 this.aaiBase = "off";
  74                 this.trustInsecure = false;
  75                 File f = new File(filename);
  76                 if (!f.exists()) {
  77                         this.writeDefaults(f);
  78                 }
  79                 Properties defaultProps = new Properties();
  80                 FileInputStream in = new FileInputStream(filename);
  81                 defaultProps.load(in);
  82                 in.close();
  83
  84                 this.aaiBase = defaultProps.getProperty("aai", "off");
  85                 this.aaiHeaders = _parseHeadersMap(defaultProps.getProperty("aaiHeaders", DEFAULT_AAI_HEADERS));
  86                 this.esBase = defaultProps.getProperty("database", "off");
  87                 this.trustInsecure = Integer.parseInt(defaultProps.getProperty("insecure", "0")) == 1;
  88                 this.corsEnabled = Integer.parseInt(defaultProps.getProperty("cors", "0")) == 1;
  89         }
  90
  91         private static Map<String, String> _parseHeadersMap(String s) {
  92                 Map<String, String> r = new HashMap<String, String>();
  93                 try {
  94                         JSONArray a = new JSONArray(s);
  95                         if (a != null && a.length() > 0) {
  96                                 for (int i = 0; i < a.length(); i++) {
  97                                         String item = a.getString(i);
  98                                         String[] hlp = item.split(":");
  99                                         if (hlp.length > 1) {
 100                                                 r.put(hlp[0], hlp[1]);
 101                                         }
 102                                 }
 103                         }
 104                 } catch (Exception e) {
 105                         LOG.warn("problem loading headers map:" + e.getMessage());
 106                 }
 107                 return r;
 108         }
 109
 110         private void writeDefaults(File f) throws IOException {
 111                 FileWriter fw = new FileWriter(f);
 112                 final String LR = "\n";
 113                 fw.write("aai=off" + LR);
 114                 fw.write("aaiHeaders=" + DEFAULT_AAI_HEADERS + LR);
 115                 fw.write("database=http://localhost:9200" + LR);
 116                 fw.write("insecure=1" + LR);
 117                 fw.write("cors=1");
 118                 fw.close();
 119
 120         }
 121
 122         public static MyProperties getInstance() {
 123                 return mObj;
 124         }
 125
 126 }