db/UnitoolConf.java

   1
   2 package org.de.metux.unitool.db;
   3
   4 import org.de.metux.propertylist.*;
   5 import org.de.metux.util.Environment;
   6 import java.util.Enumeration;
   7 import java.util.Properties;
   8 import java.io.File;
   9 import org.de.metux.util.StrUtil;
  10 import org.de.metux.unitool.base.ToolConfig;
  11 import org.de.metux.datasource.Cached_TextDB_Loader;
  12
  13 public class UnitoolConf
  14 {
  15 //    public static final String default_tool_config = "/etc/unitool/tools.cf";
  16
  17     static Cached_TextDB_Loader textdb_loader = new Cached_TextDB_Loader();
  18
  19     static public IPropertylist LoadToolConfig()
  20     {
  21         return LoadToolConfig((String)null);
  22     }
  23
  24     static public ToolConfig getToolConfig()
  25     {
  26         return new ToolConfig(LoadToolConfig((String)null));
  27     }
  28     static public ToolConfig getToolConfig(File fn)
  29     {
  30         return new ToolConfig(LoadToolConfig(fn));
  31     }
  32
  33     static public IPropertylist LoadToolConfig(String fn)
  34     {
  35         if (StrUtil.isEmpty(fn))
  36             fn = Environment.getenv("UNITOOL_CONFIG");
  37
  38         if (StrUtil.isEmpty(fn))
  39             throw new RuntimeException("missing $UNITOOL_CONFIG");
  40
  41         return LoadToolConfig(new File(fn));
  42     }
  43
  44     static public IPropertylist LoadToolConfig(File fn)
  45     {
  46         Propertylist props = new Propertylist();
  47         props.loadProperties_top(textdb_loader.load(fn));
  48         loadEnvironment(props);
  49
  50         try {
  51             if (StrUtil.isEmpty(props.get_str("target-configured")))
  52                 throw new RuntimeException("missing or broken unitool config file: "+fn);
  53         } catch (Exception e)
  54         {
  55             throw new RuntimeException(e);
  56         }
  57         return props;
  58     }
  59
  60     private static void loadEnvironment(IPropertylist pr)
  61     {
  62         Environment env = new Environment();
  63         for (Enumeration names = env.propertyNames(); names.hasMoreElements();)
  64         {
  65             String n = (String)names.nextElement();
  66             pr.set("@ENV/"+n,env.getProperty(n));
  67         }
  68     }
  69 }