Svelte/src/edu/berkeley/cs/bodik/svelte/plugin/sgview/StupidDotFinder.java

   1 package edu.berkeley.cs.bodik.svelte.plugin.sgview;
   2
   3 import java.io.File;
   4 import java.io.FileNotFoundException;
   5
   6 public class StupidDotFinder {
   7         private static String dotLocation = null;
   8         private static final String[] commonLocations = {
   9                 "/usr/bin/dot",
  10                 "/usr/local/bin/dot",
  11                 "c:\\Program Files\\Graphviz2.18\\bin\\dot.exe",
  12                 "c:\\Program Files\\Graphviz2.16.1\\bin\\dot.exe",
  13         };
  14         public static String getDotLocation() throws FileNotFoundException {
  15                 if ( dotLocation == null ) {
  16                         dotLocation = whereIsDot();
  17                         if ( dotLocation == null )
  18                                 throw new FileNotFoundException("StupidDotFinder could not find dot, please make sure Dot installed or add path in StupidDotFinder");
  19                 }
  20                 return dotLocation;
  21         }
  22
  23         private static String whereIsDot() {
  24                  for ( String s: commonLocations )
  25                          if ( new File(s).exists() )
  26                                  return s;
  27                  return null;
  28
  29         }
  30 }