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 final 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          * openConnection() method\r
  55          */\r
  56         public void openConnection() throws IOException {\r
  57 \r
  58                 httpConnection = (HttpURLConnection) url.openConnection();\r
  59 \r
  60         }\r
  61 \r
  62         /**\r
  63          * setDoInput() method inherited from HttpURLConnection class\r
  64          *\r
  65          * @param  bSetDoInput\r
  66          * @return void\r
  67          */\r
  68         public void setDoInput(boolean bSetDoInput) {\r
  69 \r
  70                 httpConnection.setDoInput(bSetDoInput);\r
  71 \r
  72         }\r
  73 \r
  74         /**\r
  75          * setRequestProperty() method inherited from HttpURLConnection class\r
  76          *\r
  77          * @param  strProperty             String property\r
  78          * @param  strHttpAuthCredentials  String HTTP authentication credentials\r
  79          * @return void\r
  80          */\r
  81         public void setRequestProperty(String strProperty, String strHttpAuthCredentials) {\r
  82 \r
  83                 httpConnection.setRequestProperty(strProperty, strHttpAuthCredentials);\r
  84 \r
  85         }\r
  86 \r
  87         /**\r
  88          * setRequestMethod() method inherited from HttpURLConnection class\r
  89          *\r
  90          * @param  strMethod             String method\r
  91          * @return void\r
  92          */\r
  93         public void setRequestMethod(String strMethod) throws ProtocolException {\r
  94 \r
  95                 httpConnection.setRequestMethod(strMethod);\r
  96 \r
  97         }\r
  98 \r
  99         /**\r
 100          * setDoOutput() method inherited from HttpURLConnection class\r
 101          *\r
 102          * @param  doOut\r
 103          * @return void\r
 104          */\r
 105         public void setDoOutput(boolean doOut) {\r
 106 \r
 107                 httpConnection.setDoOutput(doOut);\r
 108 \r
 109         }\r
 110 \r
 111         /**\r
 112          * getOutputStream() method inherited from HttpURLConnection class\r
 113          *\r
 114          * @return OutputStream\r
 115          */\r
 116         public OutputStream getOutputStream() throws IOException {\r
 117 \r
 118                 return httpConnection.getOutputStream();\r
 119 \r
 120         }\r
 121 \r
 122         /**\r
 123          * getInputStream() method inherited from HttpURLConnection class\r
 124          *\r
 125          * @return InputStream\r
 126          */\r
 127         public InputStream getInputStream() throws IOException {\r
 128 \r
 129                 return httpConnection.getInputStream();\r
 130 \r
 131         }\r
 132 \r
 133         /**\r
 134          * connect() method inherited from HttpURLConnection class\r
 135          */\r
 136         public void connect() throws IOException {\r
 137 \r
 138                 httpConnection.connect();\r
 139 \r
 140         }\r
 141 \r
 142         /**\r
 143          * disconnect() method inherited from HttpURLConnection class\r
 144          */\r
 145         public void disconnect() throws IOException {\r
 146 \r
 147                 httpConnection.disconnect();\r
 148 \r
 149         }\r
 150 }\r