git.gag.com Git - debian/openrocket/blob - android/src/net/sf/openrocket/android/db/ConversionUtils.java

   1 package net.sf.openrocket.android.db;\r
   2 \r
   3 import java.io.ByteArrayInputStream;\r
   4 import java.io.ByteArrayOutputStream;\r
   5 import java.io.ObjectInputStream;\r
   6 import java.io.ObjectOutputStream;\r
   7 \r
   8 import net.sf.openrocket.motor.Motor;\r
   9 import net.sf.openrocket.util.Coordinate;\r
  10 \r
  11 public abstract class ConversionUtils {\r
  12 \r
  13         static double[] stringToDelays( String value ) {\r
  14                 if (value == null || "".equals(value) ) {\r
  15                         return new double[0];\r
  16                 }\r
  17                 String[] parts = value.split(",");\r
  18                 double[] values = new double[parts.length];\r
  19                 for( int i =0; i<parts.length; i++ ) {\r
  20                         String p = parts[i];\r
  21                         if ( "P".equals(p) ) {\r
  22                                 values[i] = Motor.PLUGGED;\r
  23                         } else {\r
  24                                 double d = Double.parseDouble(p);\r
  25                                 values[i] = d;\r
  26                         }\r
  27                 }\r
  28                 return values;\r
  29         }\r
  30         \r
  31         public static String delaysToString( double[] delays ) {\r
  32                 StringBuilder s = new StringBuilder();\r
  33                 boolean first = true;\r
  34                 for( double d:delays ) {\r
  35                         if (!first) {\r
  36                                 s .append(",");\r
  37                         } else {\r
  38                                 first = false;\r
  39                         }\r
  40                         if ( d == Motor.PLUGGED ) {\r
  41                                 s.append("P");\r
  42                         } else {\r
  43                                 s.append(Math.round(d));\r
  44                         }\r
  45                 }\r
  46                 return s.toString();\r
  47         }\r
  48         \r
  49         static double[] deserializeArrayOfDouble( byte[] bytes ) throws Exception {\r
  50                 double[] data = null;\r
  51                 if (bytes != null ) {\r
  52                         ObjectInputStream is = new ObjectInputStream( new ByteArrayInputStream(bytes));\r
  53                         data = (double[]) is.readObject();\r
  54                 }\r
  55                 return data;\r
  56         }\r
  57 \r
  58         static byte[] serializeArrayOfDouble( double[] data ) throws Exception {\r
  59 \r
  60                 byte[] serObj = null;\r
  61                 if ( data != null ) {\r
  62                         ByteArrayOutputStream b = new ByteArrayOutputStream();\r
  63                         ObjectOutputStream os = new ObjectOutputStream(b);\r
  64                         os.writeObject(data);\r
  65                         os.close();\r
  66                         serObj = b.toByteArray();\r
  67                 }\r
  68                 return serObj;\r
  69         }\r
  70 \r
  71         static Coordinate[] deserializeArrayOfCoordinate( byte[] bytes ) throws Exception {\r
  72                 Coordinate[] data = null;\r
  73                 if (bytes != null ) {\r
  74                         ObjectInputStream is = new ObjectInputStream( new ByteArrayInputStream(bytes));\r
  75                         data = (Coordinate[]) is.readObject();\r
  76                 }\r
  77                 return data;\r
  78         }\r
  79 \r
  80         static byte[] serializeArrayOfCoordinate( Coordinate[] data ) throws Exception {\r
  81 \r
  82                 byte[] serObj = null;\r
  83                 if ( data != null ) {\r
  84                         ByteArrayOutputStream b = new ByteArrayOutputStream();\r
  85                         ObjectOutputStream os = new ObjectOutputStream(b);\r
  86                         os.writeObject(data);\r
  87                         os.close();\r
  88                         serObj = b.toByteArray();\r
  89                 }\r
  90                 return serObj;\r
  91         }\r
  92 \r
  93 \r
  94 }