9:53 a.m.
Author: pete.muir(a)jboss.org
Date: 2008-12-24 10:53:21 -0500 (Wed, 24 Dec 2008)
New Revision: 701
Modified:
doc/trunk/reference/en/modules/ri.xml
Log:
update docs for numberguess changes
Modified: doc/trunk/reference/en/modules/ri.xml
===================================================================
--- doc/trunk/reference/en/modules/ri.xml 2008-12-24 15:45:50 UTC (rev 700)
+++ doc/trunk/reference/en/modules/ri.xml 2008-12-24 15:53:21 UTC (rev 701)
@@ -298,8 +298,8 @@
<area id="messages" coords="12" />
<area id="instructions" coords="19" />
<area id="guess" coords="25" />
- <area id="validator" coords="29" />
- <area id="submit" coords="32" />
+ <area id="validator" coords="30" />
+ <area id="submit" coords="33" />
</areaspec>
<programlisting><![CDATA[<!DOCTYPE html PUBLIC "-//W3C//DTD
XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
@@ -314,8 +314,8 @@
<h:form id="NumberGuessMain">
<div style="color: red">
<h:messages id="messages" globalOnly="false"/>
- <h:outputText id="Higher" value="Higher!"
rendered="#{game.number gt game.guess}"/>
- <h:outputText id="Lower" value="Lower!"
rendered="#{game.number lt game.guess}"/>
+ <h:outputText id="Higher" value="Higher!"
rendered="#{game.number gt game.guess and game.guess ne 0}"/>
+ <h:outputText id="Lower" value="Lower!"
rendered="#{game.number lt game.guess and game.guess ne 0}"/>
</div>
<div>
@@ -328,15 +328,19 @@
<h:inputText id="inputGuess"
value="#{game.guess}"
required="true"
- size="3">
+ size="3"
+ disabled="#{game.number eq game.guess}">
<f:validateLongRange maximum="#{game.biggest}"
minimum="#{game.smallest}"/>
</h:inputText>
- <h:commandButton id="GuessButton"
+ <h:commandButton id="GuessButton"
value="Guess"
- action="#{game.check}"/>
+ action="#{game.check}"
+ disabled="#{game.number eq game.guess}"/>
</div>
-
+ <div>
+ <h:commandButton id="RestartButton" value="Reset"
action="#{game.reset}" immediate="true" />
+ </div>
</h:form>
</ui:define>
</ui:composition>
@@ -445,22 +449,34 @@
<para>
The final Web Bean in the application is the session scoped
- <literal>Game</literal>. By making
<literal>Game</literal> session
- scoped, you can only play the game once per browser session. You could
- easily add a reset button - a good exercise for the reader :-)
+ <literal>Game</literal>.
</para>
<para>
- You'll also note that we've used the
<literal>@Named</literal>
+ You'll note that we've used the <literal>@Named</literal>
annotation, so that we can use the bean through EL in the JSF page.
Finally, we've used constructor injection to initialize the game with
a random number. And of course, we need to tell the player when they've
won, so we give feedback with a <literal>FacesMessage</literal>.
</para>
- <programlisting role="JAVA"><![CDATA[@Named
+ <programlisting role="JAVA"><![CDATA[package
org.jboss.webbeans.examples.numberguess;
+
+
+import javax.annotation.PostConstruct;
+import javax.faces.application.FacesMessage;
+import javax.faces.context.FacesContext;
+import javax.webbeans.AnnotationLiteral;
+import javax.webbeans.Current;
+import javax.webbeans.Initializer;
+import javax.webbeans.Named;
+import javax.webbeans.SessionScoped;
+import javax.webbeans.manager.Manager;
+
+@Named
@SessionScoped
-public class Game {
+public class Game
+{
private int number;
private int guess;
@@ -468,32 +484,75 @@
private int biggest;
private int remainingGuesses;
- public Game() {}
+ @Current Manager manager;
+ public Game()
+ {
+ }
+
@Initializer
- Game(@Random int number, @MaxNumber int maxNumber) {
- this.number = number;
- this.smallest = 1;
+ Game(@MaxNumber int maxNumber)
+ {
this.biggest = maxNumber;
- this.remainingGuesses = 10;
}
- // Getters and setters for fields
+ public int getNumber()
+ {
+ return number;
+ }
- public String check() {
- if (guess>number) {
+ public int getGuess()
+ {
+ return guess;
+ }
+
+ public void setGuess(int guess)
+ {
+ this.guess = guess;
+ }
+
+ public int getSmallest()
+ {
+ return smallest;
+ }
+
+ public int getBiggest()
+ {
+ return biggest;
+ }
+
+ public int getRemainingGuesses()
+ {
+ return remainingGuesses;
+ }
+
+ public String check()
+ {
+ if (guess>number)
+ {
biggest = guess - 1;
}
- if (guess<number) {
+ if (guess<number)
+ {
smallest = guess + 1;
}
- if (guess == number) {
+ if (guess == number)
+ {
FacesContext.getCurrentInstance().addMessage(null, new
FacesMessage("Correct!"));
}
remainingGuesses--;
return null;
}
+ @PostConstruct
+ public void reset()
+ {
+ this.smallest = 0;
+ this.guess = 0;
+ this.remainingGuesses = 10;
+ this.number = manager.getInstanceByType(Integer.class, new
AnnotationLiteral<Random>(){});
+ }
+
}]]></programlisting>
</section>