iotjava/iotruntime/IoTHTTP.java

   1 package iotruntime;\r
   2 \r
   3 // Java packages\r
   4 import java.io.InputStream;\r
   5 import java.io.OutputStream;\r
   6 import java.io.IOException;\r
   7 import java.net.HttpURLConnection;\r
   8 import java.net.MalformedURLException;\r
   9 import java.net.UnknownHostException;\r
  10 import java.net.URL;\r
  11 import java.net.ProtocolException;\r
  12 \r
  13 import iotruntime.slave.IoTDeviceAddress;\r
  14 \r
  15 /** Class IoTHTTP is a wrapper class that provides\r
  16  *  minimum interfaces for user to interact with IoT\r
  17  *  devices in our system\r
  18  *\r
  19  * @author      Rahmadi Trimananda <rahmadi.trimananda @ uci.edu>\r
  20  * @version     1.0\r
  21  * @since       2016-02-18\r
  22  */\r
  23 public class IoTHTTP {\r
  24 \r
  25         /**\r
  26          * IoTHTTP class properties\r
  27          */\r
  28         private IoTDeviceAddress iotDevAdd;\r
  29         private URL url;\r
  30         private HttpURLConnection httpConnection;\r
  31 \r
  32         /**\r
  33          * Class constructor\r
  34          */\r
  35         public IoTHTTP(IoTDeviceAddress _iotDevAdd) {\r
  36 \r
  37                 iotDevAdd = _iotDevAdd;\r
  38                 url = null;\r
  39                 httpConnection = null;\r
  40         }\r
  41 \r
  42         /**\r
  43          * setURL() method\r
  44          *\r
  45          * @param  strUrlComplete  String to complete the URL\r
  46          * @return void\r
  47          */\r
  48         public void setURL(String strUrlComplete) throws MalformedURLException {\r
  49 \r
  50                 url = new URL(iotDevAdd.getURL(strUrlComplete));\r
  51 \r
  52         }\r
  53 \r
  54         /**\r
  55          * openConnection() method\r
  56          */\r
  57         public void openConnection() throws IOException {\r
  58 \r
  59                 httpConnection = (HttpURLConnection) url.openConnection();\r
  60 \r
  61         }\r
  62 \r
  63         /**\r
  64          * setDoInput() method inherited from HttpURLConnection class\r
  65          *\r
  66          * @param  bSetDoInput\r
  67          * @return void\r
  68          */\r
  69         public void setDoInput(boolean bSetDoInput) {\r
  70 \r
  71                 httpConnection.setDoInput(bSetDoInput);\r
  72 \r
  73         }\r
  74 \r
  75         /**\r
  76          * setRequestProperty() method inherited from HttpURLConnection class\r
  77          *\r
  78          * @param  strProperty             String property\r
  79          * @param  strHttpAuthCredentials  String HTTP authentication credentials\r
  80          * @return void\r
  81          */\r
  82         public void setRequestProperty(String strProperty, String strHttpAuthCredentials) {\r
  83 \r
  84                 httpConnection.setRequestProperty(strProperty, strHttpAuthCredentials);\r
  85 \r
  86         }\r
  87 \r
  88         /**\r
  89          * setRequestMethod() method inherited from HttpURLConnection class\r
  90          *\r
  91          * @param  strMethod             String method\r
  92          * @return void\r
  93          */\r
  94         public void setRequestMethod(String strMethod) throws ProtocolException {\r
  95 \r
  96                 httpConnection.setRequestMethod(strMethod);\r
  97 \r
  98         }\r
  99 \r
 100         /**\r
 101          * setDoOutput() method inherited from HttpURLConnection class\r
 102          *\r
 103          * @param  doOut\r
 104          * @return void\r
 105          */\r
 106         public void setDoOutput(boolean doOut) {\r
 107 \r
 108                 httpConnection.setDoOutput(doOut);\r
 109 \r
 110         }\r
 111 \r
 112         /**\r
 113          * getOutputStream() method inherited from HttpURLConnection class\r
 114          *\r
 115          * @return OutputStream\r
 116          */\r
 117         public OutputStream getOutputStream() throws IOException {\r
 118 \r
 119                 return httpConnection.getOutputStream();\r
 120 \r
 121         }\r
 122 \r
 123         /**\r
 124          * getInputStream() method inherited from HttpURLConnection class\r
 125          *\r
 126          * @return InputStream\r
 127          */\r
 128         public InputStream getInputStream() throws IOException {\r
 129 \r
 130                 return httpConnection.getInputStream();\r
 131 \r
 132         }\r
 133 \r
 134         /**\r
 135          * connect() method inherited from HttpURLConnection class\r
 136          */\r
 137         public void connect() throws IOException {\r
 138 \r
 139                 httpConnection.connect();\r
 140 \r
 141         }\r
 142 \r
 143         /**\r
 144          * disconnect() method inherited from HttpURLConnection class\r
 145          */\r
 146         public void disconnect() throws IOException {\r
 147 \r
 148                 httpConnection.disconnect();\r
 149 \r
 150         }\r
 151 }\r