git.gag.com Git - debian/openrocket/blob - android/src/net/sf/openrocket/android/thrustcurve/DownloadResponseParser.java

   1 package net.sf.openrocket.android.thrustcurve;\r
   2 \r
   3 import java.io.InputStream;\r
   4 \r
   5 import org.xml.sax.Attributes;\r
   6 \r
   7 import android.sax.Element;\r
   8 import android.sax.EndElementListener;\r
   9 import android.sax.EndTextElementListener;\r
  10 import android.sax.RootElement;\r
  11 import android.sax.StartElementListener;\r
  12 import android.util.Log;\r
  13 import android.util.Xml;\r
  14 \r
  15 public class DownloadResponseParser {\r
  16 \r
  17         private static final String TAG = "DownloadResponseParser";\r
  18 \r
  19         private static final String thrustcurveURI = "http://www.thrustcurve.org/2009/DownloadResponse";\r
  20 \r
  21         private static final String root_tag = "download-response";\r
  22         private static final String results_tag = "results";\r
  23         private static final String result_tag = "result";\r
  24         private static final String motor_id_tag = "motor-id";\r
  25         private static final String simfile_id_tag = "simfile-id";\r
  26         private static final String format_tag = "format";\r
  27         private static final String source_tag = "source";\r
  28         private static final String license_tag = "license";\r
  29         private static final String data_tag = "data";\r
  30         private static final String error_tag = "error";\r
  31 \r
  32         public static DownloadResponse parse( InputStream in ) {\r
  33 \r
  34                 final DownloadResponse ret = new DownloadResponse();\r
  35                 final MotorBurnFile currentMotor = new MotorBurnFile();\r
  36 \r
  37                 // Have a place to put the data string and format.\r
  38                 // We hold on to these here, then push them into the currentMotor\r
  39                 // only if it a supported filetype\r
  40                 final StringHolder current_format = new StringHolder();\r
  41                 final StringHolder current_data = new StringHolder();\r
  42 \r
  43                 RootElement rootEl = new RootElement(thrustcurveURI, root_tag);\r
  44                 /*\r
  45                 rootEl.setStartElementListener(\r
  46                                 new StartElementListener() {\r
  47                                         public void start(Attributes arg0) {\r
  48                                                 Log.d(TAG,"Start Element error");\r
  49                                                 ret.setError("IsError");\r
  50                                         }\r
  51                                 }\r
  52                                 );\r
  53                                 */\r
  54                 Element resultsEl = rootEl.getChild( thrustcurveURI, results_tag);\r
  55                 Element resultEl = resultsEl.getChild( thrustcurveURI, result_tag);\r
  56                 resultEl.setStartElementListener(\r
  57                                 new StartElementListener() {\r
  58                                         @Override\r
  59                                         public void start(Attributes arg0) {\r
  60                                                 Log.d(TAG,"Start Element result");\r
  61                                                 currentMotor.init();\r
  62                                         }\r
  63                                 }\r
  64                                 );\r
  65 \r
  66                 resultEl.setEndElementListener(\r
  67                                 new EndElementListener() {\r
  68                                         @Override\r
  69                                         public void end() {\r
  70                                                 if ( SupportedFileTypes.isSupportedFileType(current_format.s) ) {\r
  71                                                         currentMotor.setFiletype(current_format.s);\r
  72                                                         String s = null;\r
  73                                                         try {\r
  74                                                                 s = Base64Decoder.decodeData(current_data.s);\r
  75                                                         } catch ( Exception ex ) {\r
  76                                                                 Log.d(TAG,"base64: " + ex.getMessage());\r
  77                                                         }\r
  78                                                         currentMotor.decodeFile( s );\r
  79                                                 }\r
  80                                                 ret.add((MotorBurnFile)currentMotor.clone());\r
  81                                         }\r
  82                                 }\r
  83                                 );\r
  84 \r
  85                 resultEl.getChild(thrustcurveURI,motor_id_tag).setEndTextElementListener(\r
  86                                 new EndTextElementListener() {\r
  87                                         @Override\r
  88                                         public void end(String arg0) {\r
  89                                                 currentMotor.setMotorId(Integer.parseInt(arg0));\r
  90                                         }\r
  91                                 }\r
  92                                 );\r
  93                 resultEl.getChild(thrustcurveURI,format_tag).setEndTextElementListener(\r
  94                                 new EndTextElementListener() {\r
  95                                         @Override\r
  96                                         public void end(String arg0) {\r
  97                                                 current_format.s = arg0;\r
  98                                         }\r
  99                                 }\r
 100                                 );\r
 101                 resultEl.getChild(thrustcurveURI,data_tag).setEndTextElementListener(\r
 102                                 new EndTextElementListener() {\r
 103                                         @Override\r
 104                                         public void end(String arg0) {\r
 105                                                 current_data.s = arg0;\r
 106                                         }\r
 107                                 }\r
 108                                 );\r
 109                 try {\r
 110                         Xml.parse(in, Xml.Encoding.UTF_8,  rootEl.getContentHandler());\r
 111                 } catch (Exception e) {\r
 112                         throw new RuntimeException(e);\r
 113                 }\r
 114 \r
 115                 return ret;\r
 116         }\r
 117 \r
 118         private static class StringHolder {\r
 119                 public String s;\r
 120         }\r
 121 \r
 122 }