1 files changed, 64 insertions, 0 deletions
diff --git a/Master/Reference Architectures and Patterns/hjp5/examples/TrustedApplet.java b/Master/Reference Architectures and Patterns/hjp5/examples/TrustedApplet.java
new file mode 100644
index 0000000..30f56a3
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/hjp5/examples/TrustedApplet.java
@@ -0,0 +1,64 @@
+/* TrustedApplet.java */
+
+import java.awt.*;
+import java.applet.*;
+import java.util.*;
+import java.io.*;
+
+public class TrustedApplet
+extends Applet
+{
+  static final String ALLOWED_DIR = "c:\\tmp\\applets\\";
+  static final String FNAME       = "TrustedApplet.log";
+  static final String LOGMSG      = "Erzeugt von Applet: ";
+  String msg;
+
+  public void init()
+  {
+    msg = "Uninitialisiert";
+    FileWriter out = null;
+    try {
+      //Ausgabedatei erzeugen
+      out = new FileWriter(ALLOWED_DIR + FNAME);
+      //Logmessage schreiben
+      out.write(LOGMSG);
+      //Zeitstempel schreiben
+      GregorianCalendar cal = new GregorianCalendar();
+      out.write(cal.get(Calendar.DATE) + ".");
+      out.write((cal.get(Calendar.MONTH) + 1) + ".");
+      out.write(cal.get(Calendar.YEAR) + " ");
+      out.write(cal.get(Calendar.HOUR_OF_DAY) + ":");
+      out.write(cal.get(Calendar.MINUTE) + ":");
+      out.write(cal.get(Calendar.SECOND) + "");
+      out.write(System.getProperty("line.separator"));
+      //System-Properties lesen und in Datei schreiben
+      out.write(getProp("user.name"));
+      out.write(getProp("user.home"));
+      out.write(getProp("user.dir"));
+      //Datei schließen
+      msg = "Alle Sicherheitshuerden ueberwunden!";
+    } catch (Exception e) {
+      msg = e.toString();
+    } finally {
+      if (out != null) {
+        try {
+          out.close();
+        } catch (IOException e) {
+          //silently ignore
+        }
+      }
+    }
+  }
+
+  public void paint(Graphics g)
+  {
+    g.drawString(msg, 20, 20);
+  }
+
+  private String getProp(String prop)
+  {
+    return prop + "=" +
+           System.getProperty(prop) +
+           System.getProperty("line.separator");
+  }
+}
+\ No newline at end of file