// This example is from the book _Java AWT Reference_ by John Zukowski. // Written by John Zukowski. Copyright (c) 1997 O'Reilly & Associates. // You may study, use, modify, and distribute this example for any purpose. // This example is provided WITHOUT WARRANTY either expressed or import java.util.Properties; import java.awt.*; import java.io.IOException; import java.io.InputStream; import java.net.URL; import java.net.MalformedURLException; public class Prop extends java.applet.Applet { Properties p; String theMessage; public void init () { p = new Properties(); try { URL propSource = new URL (getDocumentBase(), "prop.list"); InputStream propIS = propSource.openStream(); p.load(propIS); p.list(System.out); initFromProps(p); propIS.close(); } catch (MalformedURLException e) { System.out.println ("Invalid URL"); } catch (IOException e) { System.out.println ("Error loading properties"); } } public void initFromProps (Properties p) { String fontsize = p.getProperty ("MyProg.font.size"); String fontname = p.getProperty ("MyProg.font.name"); String fonttype = p.getProperty ("MyProg.font.type"); String message = p.getProperty ("MyProg.message"); int size; int type; if (fontsize == null) { size = 12; } else { size = Integer.parseInt (fontsize); } if (fontname == null) { fontname = "TimesRoman"; } type = Font.PLAIN; if (fonttype != null) { fonttype.toLowerCase(); boolean bold = (fonttype.indexOf ("bold") != -1); boolean italic = (fonttype.indexOf ("italic") != -1); if (bold) type |= Font.BOLD; if (italic) type |= Font.ITALIC; } if (message == null) { theMessage = "Welcome to Java"; } else { theMessage = message; } setFont (new Font (fontname, type, size)); } public void paint (Graphics g) { g.drawString (theMessage, 50, 50); } }