git.gag.com Git - debian/openrocket/blob - src/net/sf/openrocket/communication/Communicator.java

   1 package net.sf.openrocket.communication;
   2
   3 import java.io.UnsupportedEncodingException;
   4 import java.net.HttpURLConnection;
   5 import java.net.URLEncoder;
   6
   7 public abstract class Communicator {
   8
   9         protected static final String BUG_REPORT_URL;
  10
  11         protected static final String UPDATE_INFO_URL;
  12
  13         static {
  14                 String url;
  15                 url = System.getProperty("openrocket.debug.bugurl");
  16                 if (url == null)
  17                         url = "http://openrocket.sourceforge.net/actions/reportbug";
  18                 BUG_REPORT_URL = url;
  19
  20                 url = System.getProperty("openrocket.debug.updateurl");
  21                 if (url == null)
  22                         url = "http://openrocket.sourceforge.net/actions/updates";
  23                 UPDATE_INFO_URL = url;
  24         }
  25
  26
  27         protected static final String VERSION_PARAM = "version";
  28
  29
  30         protected static final String BUG_REPORT_PARAM = "content";
  31         protected static final int BUG_REPORT_RESPONSE_CODE = HttpURLConnection.HTTP_ACCEPTED;
  32         protected static final int CONNECTION_TIMEOUT = 10000;  // in milliseconds
  33
  34         protected static final int UPDATE_INFO_UPDATE_AVAILABLE = HttpURLConnection.HTTP_OK;
  35         protected static final int UPDATE_INFO_NO_UPDATE_CODE = HttpURLConnection.HTTP_NO_CONTENT;
  36         protected static final String UPDATE_INFO_CONTENT_TYPE = "text/plain";
  37
  38         // Limit the number of bytes that can be read from the server
  39         protected static final int MAX_INPUT_BYTES = 20000;
  40
  41
  42         protected static ConnectionSource connectionSource = new DefaultConnectionSource();
  43
  44
  45         /**
  46          * Set the source of the network connections.  This can be used for unit testing.
  47          * By default the source is a DefaultConnectionSource.
  48          *
  49          * @param source        the source of the connections.
  50          */
  51         public static void setConnectionSource(ConnectionSource source) {
  52                 connectionSource = source;
  53         }
  54
  55
  56         /**
  57          * URL-encode the specified string in UTF-8 encoding.
  58          *
  59          * @param str   the string to encode (null ok)
  60          * @return              the encoded string or "null"
  61          */
  62         public static String encode(String str) {
  63                 if (str == null)
  64                         return "null";
  65                 try {
  66                         return URLEncoder.encode(str, "UTF-8");
  67                 } catch (UnsupportedEncodingException e) {
  68                         throw new RuntimeException("Unsupported encoding UTF-8", e);
  69                 }
  70         }
  71
  72 }