OsgiBootUtils.java

   1 package org.argeo.slc.osgiboot;
   2
   3 public class OsgiBootUtils {
   4
   5         public static void info(Object obj) {
   6                 System.out.println("# OSGiBOOT      # " + obj);
   7         }
   8
   9         public static void debug(Object obj) {
  10                         System.out.println("# OSGiBOOT DBG  # " + obj);
  11         }
  12
  13         public static void warn(Object obj) {
  14                 System.out.println("# OSGiBOOT WARN # " + obj);
  15                 // Because of a weird bug under Windows when starting it in a forked VM
  16                 // if (System.getProperty("os.name").contains("Windows"))
  17                 // System.out.println("# WARN " + obj);
  18                 // else
  19                 // System.err.println("# WARN " + obj);
  20         }
  21
  22         //FIXE: returns null when defaultValue is ""
  23         public static String getProperty(String name, String defaultValue) {
  24                 final String value;
  25                 if (defaultValue != null)
  26                         value = System.getProperty(name, defaultValue);
  27                 else
  28                         value = System.getProperty(name);
  29
  30                 if (value == null || value.equals(""))
  31                         return null;
  32                 else
  33                         return value;
  34         }
  35
  36         public static String getProperty(String name) {
  37                 return getProperty(name, null);
  38         }
  39
  40         public static String getPropertyCompat(String name, String oldName) {
  41                 return getPropertyCompat(name, oldName, null);
  42         }
  43
  44         public static String getPropertyCompat(String name, String oldName,
  45                         String defaultValue) {
  46                 String res = null;
  47
  48                 if (defaultValue != null) {
  49                         res = getProperty(name, defaultValue);
  50                         if (res.equals(defaultValue)) {
  51                                 res = getProperty(oldName, defaultValue);
  52                                 if (!res.equals(defaultValue))
  53                                         warnDeprecated(name, oldName);
  54                         }
  55                 } else {
  56                         res = getProperty(name, null);
  57                         if (res == null) {
  58                                 res = getProperty(oldName, null);
  59                                 if (res != null)
  60                                         warnDeprecated(name, oldName);
  61                         }
  62                 }
  63                 return res;
  64         }
  65
  66         public static void warnDeprecated(String name, String oldName) {
  67                 warn("Property '" + oldName
  68                                 + "' is deprecated and will be removed soon, use '" + name
  69                                 + "' instead.");
  70         }
  71
  72 }