-/*\r
- * Copyright (C) 2007-2012 Argeo GmbH\r
- *\r
- * Licensed under the Apache License, Version 2.0 (the "License");\r
- * you may not use this file except in compliance with the License.\r
- * You may obtain a copy of the License at\r
- *\r
- * http://www.apache.org/licenses/LICENSE-2.0\r
- *\r
- * Unless required by applicable law or agreed to in writing, software\r
- * distributed under the License is distributed on an "AS IS" BASIS,\r
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
- * See the License for the specific language governing permissions and\r
- * limitations under the License.\r
- */\r
-package org.argeo.osgi.boot;\r
-\r
-import java.text.DateFormat;\r
-import java.text.SimpleDateFormat;\r
-import java.util.ArrayList;\r
-import java.util.Date;\r
-import java.util.List;\r
-import java.util.StringTokenizer;\r
-\r
-import org.osgi.framework.Bundle;\r
-\r
-/** Utilities, mostly related to logging. */\r
-public class OsgiBootUtils {\r
- /** ISO8601 (as per log4j) and difference to UTC */\r
- private static DateFormat dateFormat = new SimpleDateFormat(\r
- "yyyy-MM-dd HH:mm:ss,SSS Z");\r
-\r
- public static void info(Object obj) {\r
- System.out.println("# OSGiBOOT # " + dateFormat.format(new Date())\r
- + " # " + obj);\r
- }\r
-\r
- public static void debug(Object obj) {\r
- System.out.println("# OSGiBOOT DBG # " + dateFormat.format(new Date())\r
- + " # " + obj);\r
- }\r
-\r
- public static void warn(Object obj) {\r
- System.out.println("# OSGiBOOT WARN # " + dateFormat.format(new Date())\r
- + " # " + obj);\r
- }\r
-\r
- /**\r
- * Gets a property value\r
- * \r
- * @return null when defaultValue is ""\r
- */\r
- public static String getProperty(String name, String defaultValue) {\r
- final String value;\r
- if (defaultValue != null)\r
- value = System.getProperty(name, defaultValue);\r
- else\r
- value = System.getProperty(name);\r
-\r
- if (value == null || value.equals(""))\r
- return null;\r
- else\r
- return value;\r
- }\r
-\r
- public static String getProperty(String name) {\r
- return getProperty(name, null);\r
- }\r
-\r
- public static String stateAsString(int state) {\r
- switch (state) {\r
- case Bundle.UNINSTALLED:\r
- return "UNINSTALLED";\r
- case Bundle.INSTALLED:\r
- return "INSTALLED";\r
- case Bundle.RESOLVED:\r
- return "RESOLVED";\r
- case Bundle.STARTING:\r
- return "STARTING";\r
- case Bundle.ACTIVE:\r
- return "ACTIVE";\r
- case Bundle.STOPPING:\r
- return "STOPPING";\r
- default:\r
- return Integer.toString(state);\r
- }\r
- }\r
-\r
- /**\r
- * @return ==0: versions are identical, <0: tested version is newer, >0:\r
- * currentVersion is newer.\r
- */\r
- public static int compareVersions(String currentVersion,\r
- String testedVersion) {\r
- List cToks = new ArrayList();\r
- StringTokenizer cSt = new StringTokenizer(currentVersion, ".");\r
- while (cSt.hasMoreTokens())\r
- cToks.add(cSt.nextToken());\r
- List tToks = new ArrayList();\r
- StringTokenizer tSt = new StringTokenizer(currentVersion, ".");\r
- while (tSt.hasMoreTokens())\r
- tToks.add(tSt.nextToken());\r
- \r
- int comp = 0;\r
- comp: for (int i = 0; i < cToks.size(); i++) {\r
- if (tToks.size() <= i) {\r
- // equals until then, tested shorter\r
- comp = 1;\r
- break comp;\r
- }\r
- \r
- String c = (String) cToks.get(i);\r
- String t = (String) tToks.get(i);\r
- \r
- try {\r
- int cInt = Integer.parseInt(c);\r
- int tInt = Integer.parseInt(t);\r
- if (cInt == tInt)\r
- continue comp;\r
- else {\r
- comp = (cInt - tInt);\r
- break comp;\r
- }\r
- } catch (NumberFormatException e) {\r
- if (c.equals(t))\r
- continue comp;\r
- else {\r
- comp = c.compareTo(t);\r
- break comp;\r
- }\r
- }\r
- }\r
- \r
- if (comp == 0 && tToks.size() > cToks.size()) {\r
- // equals until then, current shorter\r
- comp = -1;\r
- }\r
- \r
- return comp;\r
- }\r
-\r
-}\r