mps/src/S.java

   1 import java.io.*;
   2 import javax.microedition.lcdui.*;
   3
   4 public class S
   5 {
   6   public static int parseInt(String s)
   7   {
   8     try
   9     {
  10       return Integer.parseInt(s);
  11     }
  12     catch (Exception e)
  13     {
  14       return 0;
  15     }
  16   };
  17
  18   // getChar
  19   public static int gc(String s, int pos)
  20   {
  21         try
  22         {
  23                 return s.charAt(pos);
  24         }
  25         catch (Exception e)
  26         {
  27                 return '\000';
  28         }
  29   }
  30
  31   // setChar
  32   public static String gc(String s, int c, int pos)
  33   {
  34         try
  35         {
  36                 StringBuffer sb = new StringBuffer(s);
  37                 sb.setCharAt(pos, (char)c);
  38                 return sb.toString();
  39         }
  40         catch (Exception e)
  41         {
  42                 return s;
  43         }
  44   }
  45
  46   // openResource
  47   public static InputStream r(String resourceName)
  48   {
  49         try
  50         {
  51                 return FW.fw.getClass().getResourceAsStream(resourceName);
  52         } catch(Exception e)
  53         {
  54                 return null;
  55         }
  56   }
  57
  58   // closeResource
  59   public static void r(InputStream is)
  60   {
  61         try
  62         {
  63                 is.close();
  64         } catch (Exception e)
  65         {
  66                 return;
  67         }
  68   }
  69
  70   // readNextByte
  71   public static int rb(InputStream is)
  72   {
  73         try
  74         {
  75                 byte []b = new byte[2];
  76 //              is.read(b, 0, 1);
  77 //
  78 //              return b[0];
  79 // j-a-s-d: fix
  80                 if (is.read(b, 0, 1) == -1)
  81                         return 1000;
  82                 else
  83                         return b[0];
  84         } catch (Exception e)
  85         {
  86                 return 1000; //ERROR konstanta
  87         }
  88   }
  89
  90   // readNextLine
  91   public static String nl(InputStream is)
  92   {
  93         StringBuffer retVal = new StringBuffer();
  94         try
  95         {
  96                 byte []b = new byte[2];
  97                 boolean lineStarted = false;
  98
  99                 do
 100                 {
 101                         is.read(b, 0, 1);
 102
 103                         if ((b[0] != '\n') && (b[0] != '\r'))
 104                         {
 105                                 retVal.append((char)b[0]);
 106                                 lineStarted = true;
 107                         }
 108                         else
 109                         {
 110                                 if (lineStarted)
 111                                         break;
 112                         }
 113                 } while(true);
 114
 115         }
 116         catch(Exception e)
 117         {
 118                 return retVal.toString();
 119         }
 120
 121         return retVal.toString();
 122   }
 123
 124   public static Image InternalImageFromImage(Image img, int x, int y, int cx, int cy)
 125   {
 126                 Image newImage = Image.createImage(cx, cy);
 127                 newImage.getGraphics().drawImage(img, -x, -y, Graphics.TOP|Graphics.LEFT);
 128                 return newImage;
 129   }
 130   /* imageFromImage */
 131   public static Image ii(Image img, int x, int y, int cx, int cy)
 132   {
 133         try
 134         { // j-a-s-d: this is to avoid AV false alarms
 135                 return InternalImageFromImage(img, x, y, cx, cy);
 136         }
 137         catch (Exception e)
 138         {
 139                 return Image.createImage(1, 1);
 140         }
 141   }
 142
 143   /* imageFromCanvas */
 144   public static Image ii(int x, int y, int cx, int cy)
 145   {
 146         return ii(M.I, x, y, cx, cy);
 147   }
 148
 149   /* imageFromBuffer*/
 150   public static Image ii(String buf, int length)
 151   {
 152         try
 153         {
 154                 return Image.createImage(buf.getBytes(), 0, length);
 155         }
 156         catch (Exception e)
 157         {
 158                 return Image.createImage(1,1);
 159         }
 160   }
 161
 162 };