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 import java.util.ArrayList;\r
   8 import java.util.List;\r
   9 \r
  10 import net.sf.openrocket.motor.Motor;\r
  11 import net.sf.openrocket.util.Coordinate;\r
  12 \r
  13 public abstract class ConversionUtils {\r
  14 \r
  15         static double[] stringToDelays( String value ) {\r
  16                 if (value == null || "".equals(value) ) {\r
  17                         return new double[0];\r
  18                 }\r
  19                 String[] parts = value.split(",");\r
  20                 double[] values = new double[parts.length];\r
  21                 for( int i =0; i<parts.length; i++ ) {\r
  22                         String p = parts[i];\r
  23                         if ( "P".equals(p) ) {\r
  24                                 values[i] = Motor.PLUGGED;\r
  25                         } else {\r
  26                                 double d = Double.parseDouble(p);\r
  27                                 values[i] = d;\r
  28                         }\r
  29                 }\r
  30                 return values;\r
  31         }\r
  32         \r
  33         public static String delaysToString( double[] delays ) {\r
  34                 StringBuilder s = new StringBuilder();\r
  35                 boolean first = true;\r
  36                 for( double d:delays ) {\r
  37                         if (!first) {\r
  38                                 s .append(",");\r
  39                         } else {\r
  40                                 first = false;\r
  41                         }\r
  42                         if ( d == Motor.PLUGGED ) {\r
  43                                 s.append("P");\r
  44                         } else {\r
  45                                 s.append(Math.round(d));\r
  46                         }\r
  47                 }\r
  48                 return s.toString();\r
  49         }\r
  50         \r
  51         public static List<String> delaysToStringList( double[] delays ) {\r
  52                 ArrayList<String> list = new ArrayList<String>( delays.length );\r
  53                 for( double d: delays ) {\r
  54                         if ( d == Motor.PLUGGED ) {\r
  55                                 list.add("P");\r
  56                         } else {\r
  57                                 list.add(String.valueOf(Math.round(d)));\r
  58                         }\r
  59                 }\r
  60                 return list;\r
  61         }\r
  62         \r
  63         public static double stringToDelay( String s ) {\r
  64                 if ( "P".equals(s) ) {\r
  65                         return Motor.PLUGGED;\r
  66                 }\r
  67                 return Long.parseLong(s);\r
  68         }\r
  69         \r
  70         static double[] deserializeArrayOfDouble( byte[] bytes ) throws Exception {\r
  71                 double[] data = null;\r
  72                 if (bytes != null ) {\r
  73                         ObjectInputStream is = new ObjectInputStream( new ByteArrayInputStream(bytes));\r
  74                         data = (double[]) is.readObject();\r
  75                 }\r
  76                 return data;\r
  77         }\r
  78 \r
  79         static byte[] serializeArrayOfDouble( double[] data ) throws Exception {\r
  80 \r
  81                 byte[] serObj = null;\r
  82                 if ( data != null ) {\r
  83                         ByteArrayOutputStream b = new ByteArrayOutputStream();\r
  84                         ObjectOutputStream os = new ObjectOutputStream(b);\r
  85                         os.writeObject(data);\r
  86                         os.close();\r
  87                         serObj = b.toByteArray();\r
  88                 }\r
  89                 return serObj;\r
  90         }\r
  91 \r
  92         static Coordinate[] deserializeArrayOfCoordinate( byte[] bytes ) throws Exception {\r
  93                 Coordinate[] data = null;\r
  94                 if (bytes != null ) {\r
  95                         ObjectInputStream is = new ObjectInputStream( new ByteArrayInputStream(bytes));\r
  96                         data = (Coordinate[]) is.readObject();\r
  97                 }\r
  98                 return data;\r
  99         }\r
 100 \r
 101         static byte[] serializeArrayOfCoordinate( Coordinate[] data ) throws Exception {\r
 102 \r
 103                 byte[] serObj = null;\r
 104                 if ( data != null ) {\r
 105                         ByteArrayOutputStream b = new ByteArrayOutputStream();\r
 106                         ObjectOutputStream os = new ObjectOutputStream(b);\r
 107                         os.writeObject(data);\r
 108                         os.close();\r
 109                         serObj = b.toByteArray();\r
 110                 }\r
 111                 return serObj;\r
 112         }\r
 113 \r
 114 \r
 115 }