Java SafePropertyAccessor Exemples, org.jruby.util.SafePropertyAccessor Java Exemples

Exemple #1

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Fichier : OutputStrings.java Projet : muga/jruby

  public static String getVersionString() {
    String fullVersion =
        String.format(
            "jruby %s (%s) %s %s %s %s on %s%s%s [%s-%s]",
            Constants.VERSION,
            Constants.RUBY_VERSION,
            Constants.COMPILE_DATE,
            Constants.REVISION,
            SafePropertyAccessor.getProperty("java.vm.name", "Unknown JVM"),
            SafePropertyAccessor.getProperty("java.vm.version", "Unknown JVM version"),
            SafePropertyAccessor.getProperty(
                "java.runtime.version",
                SafePropertyAccessor.getProperty("java.version", "Unknown version")),
            Options.COMPILE_INVOKEDYNAMIC.load() ? " +indy" : "",
            Options.COMPILE_MODE.load().shouldJIT() ? " +jit" : "",
            RbConfigLibrary.getOSName(),
            RbConfigLibrary.getArchitecture());

    return fullVersion;
  }

Exemple #2

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Fichier : Main.java Projet : rebx/jruby

  public void processDotfile() {
    // try current dir, then home dir
    String home = SafePropertyAccessor.getProperty("user.dir");
    File dotfile = new File(home + "/.jrubyrc");
    if (!dotfile.exists()) {
      home = SafePropertyAccessor.getProperty("user.home");
      dotfile = new File(home + "/.jrubyrc");
    }

    // no dotfile!
    if (!dotfile.exists()) return;

    // update system properties with long form jruby properties from .jrubyrc
    Properties sysProps = System.getProperties();
    Properties newProps = new Properties();
    FileInputStream fis = null;
    try {
      // load properties and re-set as jruby.*
      fis = new FileInputStream(dotfile);
      newProps.load(fis);
      for (Map.Entry entry : newProps.entrySet()) {
        sysProps.put("jruby." + entry.getKey(), entry.getValue());
      }

      // replace system properties
      System.setProperties(sysProps);
    } catch (IOException ioe) {
      // do anything?
    } finally {
      if (fis != null)
        try {
          fis.close();
        } catch (Exception e) {
        }
    }
  }

Exemple #3

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Fichier : Main.java Projet : rebx/jruby

 private Status handleOutOfMemory(OutOfMemoryError oome) {
   // produce a nicer error since Rubyists aren't used to seeing this
   System.gc();
   String memoryMax = SafePropertyAccessor.getProperty("jruby.memory.max");
   String message = "";
   if (memoryMax != null) {
     message = " of " + memoryMax;
   }
   config
       .getError()
       .println("Error: Your application used more memory than the safety cap" + message + ".");
   config.getError().println("Specify -J-Xmx####m to increase it (#### = cap size in MB).");
   if (config.isVerbose()) {
     config.getError().println("Exception trace follows:");
     oome.printStackTrace();
   } else {
     config.getError().println("Specify -w for full OutOfMemoryError stack trace");
   }
   return new Status(1);
 }

Exemple #4

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Fichier : Main.java Projet : ratnikov/jruby

  private static List<String> getDotfileDirectories() {
    ArrayList<String> searchList = new ArrayList<String>();
    for (String homeProp : new String[] {"user.dir", "user.home"}) {
      String home = SafePropertyAccessor.getProperty(homeProp);
      if (home != null) searchList.add(home);
    }

    // JVM sometimes picks odd location for user.home based on a registry entry
    // (see http://bugs.sun.com/view_bug.do?bug_id=4787931).  Add extra check in
    // case that entry is wrong. Add before user.home in search list.
    if (Platform.IS_WINDOWS) {
      String homeDrive = System.getenv("HOMEDRIVE");
      String homePath = System.getenv("HOMEPATH");
      if (homeDrive != null && homePath != null) {
        searchList.add(1, (homeDrive + homePath).replace('\\', '/'));
      }
    }

    return searchList;
  }

Exemple #5

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Fichier : Main.java Projet : rebx/jruby

 private Status handleStackOverflow(StackOverflowError soe) {
   // produce a nicer error since Rubyists aren't used to seeing this
   System.gc();
   String stackMax = SafePropertyAccessor.getProperty("jruby.stack.max");
   String message = "";
   if (stackMax != null) {
     message = " of " + stackMax;
   }
   config
       .getError()
       .println(
           "Error: Your application used more stack memory than the safety cap" + message + ".");
   config.getError().println("Specify -J-Xss####k to increase it (#### = cap size in KB).");
   if (config.isVerbose()) {
     config.getError().println("Exception trace follows:");
     soe.printStackTrace();
   } else {
     config.getError().println("Specify -w for full StackOverflowError stack trace");
   }
   return new Status(1);
 }

Exemple #6

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