ajout d'un exemple

1 files changed, 115 insertions, 0 deletions

diff --git a/examples/TranslateXML.java b/examples/TranslateXML.java
new file mode 100644
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--- /dev/null
+++ b/examples/TranslateXML.java
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+/**
+ * TranslateXML, an Ivy tranlater based on xml rules
+ *
+ * @author  Yannick Jestin
+ * @author  <a href="mailto:jestin@cena.fr"></a>
+ *
+ * (c) CENA Centre d'Etudes de la Navigation Aerienne
+ * this program is LGPL ... etc etc
+ *
+ * New:
+ *   1.2.6
+ *     get compatible with new Ivy version
+ *   1.2.3
+ *     use of Vector.addElement instead of add() and the old Properties
+ *     model
+ *
+ */
+import fr.dgac.ivy.* ;
+import java.io.* ;
+import net.n3.nanoxml.*;
+import java.util.*;
+import gnu.getopt.Getopt;
+
+class TranslateXML {
+
+    private Ivy bus;
+
+    TranslateXML(String domain, String name, String filename) throws IvyException {
+      bus = new Ivy(name,"Hello le monde",null);
+      parseFile(filename);
+      bus.bindMsg("^Bye$",new IvyMessageListener() {
+	// callback for "Bye" message
+	public void receive(IvyClient client, String[] args) {System.exit(0);}
+      });
+      try {
+	// starts the bus on the default domain or IVY_DOMAIN property
+	bus.start(domain);
+      } catch (IvyException ie) {
+	System.err.println("can't run the Ivy bus" + ie.getMessage());
+      }
+    }
+
+    private void parseFile(String filename) {
+      try {
+	IXMLParser parser = XMLParserFactory.createDefaultXMLParser();
+	IXMLReader reader = StdXMLReader.fileReader(filename);
+	parser.setReader(reader);
+	IXMLElement xml = (IXMLElement) parser.parse();
+	// checks if everything is OK
+	// XMLWriter writer = new XMLWriter(System.out);
+	// writer.write(xml);
+	Vector translations = xml.getChildrenNamed("translate");
+	for (int i=0;i<translations.size();i++) {
+	  IXMLElement trans = (IXMLElement)translations.elementAt(i);
+	  String from = trans.getAttribute("from",null);
+	  String to = trans.getAttribute("to",null);
+	  if ((from!=null)&&(to!=null)) {
+	    System.out.println("translating every \""+from+"\" in \""+to+"\"");
+	    bus.bindMsg(from,new TALK(to));
+	  }
+	}
+      } catch (Exception e) {
+	e.printStackTrace();
+	System.exit(-1);
+      }
+    }
+
+    private class TALK implements IvyMessageListener {
+      private String go;
+      TALK(String s) {go=s;}
+      public void receive(IvyClient client, String[] args) {
+	try { bus.sendMsg(go); } catch (IvyException ie) {
+	  System.out.println(" can't send " + go +" on the Ivy bus");
+	}
+      }
+    }
+
+    // callback associated to the "Hello" messages"
+    public void receive(IvyClient client, String[] args) {
+      try {
+	bus.sendMsg("Bonjour"+((args.length>0)?args[0]:""));
+      } catch (IvyException ie) {
+      }
+    }
+
+    public static final String helpmsg = "usage: java TranslateXML [options]\n\t-f filename.xml\tspecifies the XML file with tranlations\n\t-b BUS\tspecifies the Ivy bus domain (can be overriden by XML file)\n\t-n ivyname (default TranslateXML)\n\t-d\tdebug\n\t-h\thelp\n";
+
+    public static void main(String args[]) throws IvyException {
+      Getopt opt = new Getopt("TranslateXML",args,"f:n:b:dht");
+      int c;
+      String domain=Ivy.getDomain(null);
+      String name="TranslateXML";
+      String filename="translation.xml";
+      while ((c = opt.getopt()) != -1) switch (c) {
+	case 'f':
+	  filename=opt.getOptarg();
+	  break;
+	case 'b':
+	  domain=opt.getOptarg();
+	  break;
+	case 'n':
+	  name=opt.getOptarg();
+	  break;
+	case 'd':
+	  java.util.Properties sysProp = System.getProperties();
+	  sysProp.put("IVY_DEBUG","yes");
+	  break;
+	case 'h':
+	default:
+	  System.out.println(helpmsg);
+	  System.exit(0);
+      } // getopt
+      new TranslateXML(domain,name,filename);
+    }
+}