Sample based on sourceforge question and publcly posted code

samples/com/jacob/samples/system/SystemMonitor.java

@@ -0,0 +1,67 @@
+package com.jacob.samples.system;
+
+import com.jacob.activeX.ActiveXComponent;
+import com.jacob.com.Dispatch;
+import com.jacob.com.EnumVariant;
+import com.jacob.com.Variant;
+
+/**
+ * Sample program that shows how to talk to WMI on local machine.
+ * 
+ * This test program was derived from SourceForge question
+ * http://sourceforge.net/forum/forum.php?thread_id=1831650&forum_id=375946
+ * fold, spindled and mutilated by clay_shooter
+ * 
+ * @author chris_knowles
+ *
+ */
+public class SystemMonitor {
+
+	public void runMonitor() {
+
+		ActiveXComponent wmi = null;
+		wmi = new ActiveXComponent("WbemScripting.SWbemLocator");
+		// no connection parameters means to connect to the local machine
+		Variant conRet = wmi.invoke("ConnectServer");
+		// the author liked the ActiveXComponent api style over the Dispatch style
+		ActiveXComponent wmiconnect = new ActiveXComponent(conRet.toDispatch());
+
+		// the WMI supports a query language.
+		String query = "select CategoryString, Message, TimeGenerated, User, Type "
+			+ "from Win32_NtLogEvent "
+			+ "where Logfile = 'Application' and TimeGenerated > '20070915000000.000000-***'";
+		Variant vCollection = wmiconnect
+				.invoke("ExecQuery", new Variant(query));
+
+		EnumVariant enumVariant = new EnumVariant(vCollection.toDispatch());
+
+		String resultString = "";
+		Dispatch item = null;
+
+		while (enumVariant.hasMoreElements()) {
+			resultString = "";
+			item = enumVariant.Next().toDispatch();
+			String categoryString = Dispatch.call(item, "CategoryString")
+					.toString();
+			String messageString = Dispatch.call(item, "Message").toString();
+			String timeGenerated = Dispatch.call(item, "TimeGenerated")
+					.toString();
+			String eventUser = Dispatch.call(item, "User").toString();
+			String eventType = Dispatch.call(item, "Type").toString();
+			resultString += "TimeGenerated: "+ timeGenerated	
+					+ " Category: " + categoryString 
+					+ " User: "	+ eventUser 
+					+ " EventType: "+ eventType
+					+ " Message:" + messageString;
+			System.out.println(resultString);
+
+		}
+
+	}
+
+	public static void main(String[] args) {
+		SystemMonitor utilConnection = new SystemMonitor();
+		utilConnection.runMonitor();
+	}
+
+}