--- /dev/null
+/*\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