1 // xmlBlaster/demo/HelloWorld.java
 2 import org.xmlBlaster.client.I_XmlBlasterAccess;
 3 import org.xmlBlaster.client.XmlBlasterAccess;
 4 import org.xmlBlaster.util.MsgUnit;
 5 
 6 
 7 /**
 8  * This client connects to xmlBlaster and gets synchronous a message and disconnects. 
 9  * <p />
10  * Invoke:
11  * <pre>
12  *   cd xmlBlaster                           // Change to xmlBlaster distribution directory
13  *   java -jar lib/xmlBlaster.jar            // Start the server
14  *   java -cp lib/xmlBlaster.jar HelloWorld  // Start this demo
15  * </pre>
16  * @see <a href="http://www.xmlBlaster.org/xmlBlaster/doc/requirements/interface.html" target="others">xmlBlaster interface</a>
17  */
18 public class HelloWorld
19 {
20    public HelloWorld(String[] args) {
21       try {
22          I_XmlBlasterAccess con = new XmlBlasterAccess(args);
23 
24          con.connect(null, null);    // Login to xmlBlaster as "guest"
25 
26          MsgUnit[] msgs = con.get("<key oid='__cmd:?freeMem'/>", null);
27 
28          System.out.println("\nHelloWorld: xmlBlaster has currently " +
29                 new String(msgs[0].getContent()) + " bytes of free memory\n");
30 
31          con.disconnect(null);
32       }
33       catch (Exception e) {
34          System.err.println("HelloWorld: We have a problem: " + e.toString());
35       }
36    }
37 
38    public static void main(String args[]) {
39       new HelloWorld(args);
40    }
41 }
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