OsgiBootUtils.java

   1 /*
   2  * Copyright (C) 2010 Mathieu Baudier <mbaudier@argeo.org>
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package org.argeo.osgi.boot;
  18
  19 /** Utilities, mostly related to logging. */
  20 public class OsgiBootUtils {
  21
  22         public static void info(Object obj) {
  23                 System.out.println("# OSGiBOOT      # " + obj);
  24         }
  25
  26         public static void debug(Object obj) {
  27                 System.out.println("# OSGiBOOT DBG  # " + obj);
  28         }
  29
  30         public static void warn(Object obj) {
  31                 System.out.println("# OSGiBOOT WARN # " + obj);
  32                 // Because of a weird bug under Windows when starting it in a forked VM
  33                 // if (System.getProperty("os.name").contains("Windows"))
  34                 // System.out.println("# WARN " + obj);
  35                 // else
  36                 // System.err.println("# WARN " + obj);
  37         }
  38
  39         /**
  40          * Gets a property value
  41          *
  42          * @return null when defaultValue is ""
  43          */
  44         public static String getProperty(String name, String defaultValue) {
  45                 final String value;
  46                 if (defaultValue != null)
  47                         value = System.getProperty(name, defaultValue);
  48                 else
  49                         value = System.getProperty(name);
  50
  51                 if (value == null || value.equals(""))
  52                         return null;
  53                 else
  54                         return value;
  55         }
  56
  57         public static String getProperty(String name) {
  58                 return getProperty(name, null);
  59         }
  60
  61 }