src/java/simgrid/msg/DTDResolver.java

   1 /*\r
   2  * simgrid.msg.DTDResolver.java    1.00 07/05/01\r
   3  *\r
   4  * Copyright 2006,2007 Martin Quinson, Malek Cherier           \r
   5  * All right reserved. \r
   6  *\r
   7  * This program is free software; you can redistribute \r
   8  * it and/or modify it under the terms of the license \r
   9  *(GNU LGPL) which comes with this package. \r
  10  */\r
  11 \r
  12  \r
  13 \r
  14 package simgrid.msg;\r
  15 \r
  16 import java.io.InputStream;\r
  17 import java.io.FileNotFoundException;\r
  18 import org.xml.sax.EntityResolver;\r
  19 import org.xml.sax.InputSource;\r
  20 import org.xml.sax.SAXException;\r
  21 \r
  22 public class DTDResolver implements EntityResolver {\r
  23     \r
  24         public InputSource resolveEntity(String publicID, String systemID)\r
  25         throws SAXException {\r
  26         \r
  27         \r
  28         if(!systemID.endsWith("surfxml.dtd")){\r
  29         System.out.println("\n MSG - Warning - the platform used seams invalid\n");\r
  30         return null;\r
  31         }\r
  32                 \r
  33         /* try to get the DTD from the classpath */\r
  34         InputStream in = getClass().getResourceAsStream("/surfxml.dtd"); \r
  35         \r
  36         if(null == in)  \r
  37                 /* try to get the DTD from the directory Simgrid */\r
  38                 in = getClass().getResourceAsStream("/Simgrid/surfxml.dtd"); \r
  39         \r
  40         if(null == in)\r
  41                 /* try to get the DTD from the directory Simgrid/msg */\r
  42                 in = getClass().getResourceAsStream("/Simgrid/msg/surfxml.dtd"); \r
  43         \r
  44         if(null == in) {\r
  45                         System.err.println("\nMSG - XML DTD not found (" + systemID.toString() + ").\n\nPlease put this file in one of the following destinations :\n\n"+\r
  46                         "   - classpath;\n"+\r
  47                         "   - the directory Simgrid;\n"+\r
  48                         "   - the directory Simgrid/msg;\n"+\r
  49                         "   - the directory of you simulation.\n\n"+\r
  50                         "Once the DTD puted in one of the previouse destinations, retry you simulation.\n");\r
  51                         \r
  52                         /* \r
  53                          * If not founded, returning null makes process continue normally (try to get \r
  54                          * the DTD from the current directory \r
  55                          */\r
  56                         return null;\r
  57         }\r
  58         \r
  59         return new InputSource(in);  \r
  60         }\r
  61 }\r