taylor 2004/06/25 00:20:59
Modified: applications/demo/src/java/org/apache/jetspeed/demo/simple
PickANumberServlet.java
Log:
Cleaned up and fixed bugs in Pick a Number portlet
Added Edit Mode to set a preference on the high range
http://nagoya.apache.org/jira/browse/JS2-45
Revision Changes Path
1.5 +113 -4
jakarta-jetspeed-2/applications/demo/src/java/org/apache/jetspeed/demo/simple/PickANumberServlet.java
Index: PickANumberServlet.java
===================================================================
RCS file:
/home/cvs/jakarta-jetspeed-2/applications/demo/src/java/org/apache/jetspeed/demo/simple/PickANumberServlet.java,v
retrieving revision 1.4
retrieving revision 1.5
diff -u -r1.4 -r1.5
--- PickANumberServlet.java 29 Mar 2004 04:48:39 -0000 1.4
+++ PickANumberServlet.java 25 Jun 2004 07:20:58 -0000 1.5
@@ -20,7 +20,14 @@
import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.PortletException;
+import javax.portlet.PortletPreferences;
+import javax.portlet.PortletRequest;
+import javax.portlet.PortletResponse;
import javax.portlet.PortletSession;
+import javax.portlet.ReadOnlyException;
+import javax.portlet.RenderRequest;
+import javax.portlet.RenderResponse;
+
import org.apache.jetspeed.portlet.ServletPortlet;
/**
@@ -52,7 +59,7 @@
*
* @see org.apache.jetspeed.portlet.ServletPortlet#doEdit
*/
- private static final String DEFAULT_EDIT_PAGE = null;
+ private static final String DEFAULT_EDIT_PAGE =
"/WEB-INF/demo/simple/PickANumberEdit.jsp";
/**
* Default help page when preference does not exist
@@ -90,6 +97,11 @@
private static final String TARGET_VALUE_NAME = "TargetValue";
/**
+ * Attribute name of Top Range Value (in Edit Mode)
+ */
+ private static final String TOP_RANGE_NAME = "TopRange";
+
+ /**
* Set default page values when class is created
*/
public PickANumberServlet()
@@ -100,6 +112,52 @@
setDefaultHelpPage(DEFAULT_HELP_PAGE);
setDefaultViewPage(DEFAULT_VIEW_PAGE);
}
+
+
+ public void doView(RenderRequest request, RenderResponse response) throws
PortletException, IOException
+ {
+ PortletSession session = request.getPortletSession();
+ Long guessCount = null;
+ Long targetValue = null;
+ Long lastGuess = null;
+
+ // Get target value
+ lastGuess = (Long)session.getAttribute(LAST_GUESS_NAME,
PortletSession.APPLICATION_SCOPE);
+ if (lastGuess == null)
+ {
+ lastGuess = new Long(0);
+ session.setAttribute(LAST_GUESS_NAME, guessCount,
PortletSession.APPLICATION_SCOPE);
+ }
+
+ // Get target value
+
+ targetValue = (Long)session.getAttribute(TARGET_VALUE_NAME,
PortletSession.APPLICATION_SCOPE);
+ if (targetValue == null)
+ {
+ targetValue = new Long(Math.round(Math.random() *
getHighRange(request)));
+ System.out.println("cheater: target value = " + targetValue);
+ guessCount = new Long(0);
+ session.setAttribute( TARGET_VALUE_NAME, targetValue,
PortletSession.APPLICATION_SCOPE);
+ long highRange = getHighRange(request);
+ session.setAttribute( TOP_RANGE_NAME, new Long(highRange),
PortletSession.APPLICATION_SCOPE);
+ }
+
+ guessCount = (Long)session.getAttribute(GUESS_COUNT_NAME,
PortletSession.APPLICATION_SCOPE);
+ if (guessCount == null)
+ {
+ guessCount = new Long(0);
+ session.setAttribute( GUESS_COUNT_NAME, guessCount,
PortletSession.APPLICATION_SCOPE);
+ }
+
+ Long highRange = (Long)session.getAttribute(TOP_RANGE_NAME,
PortletSession.APPLICATION_SCOPE);
+ if (highRange == null)
+ {
+ long range = getHighRange(request);
+ session.setAttribute( TOP_RANGE_NAME, new Long(range),
PortletSession.APPLICATION_SCOPE);
+ }
+
+ super.doView(request, response);
+ }
/**
* Increment attributes in different scopes
@@ -110,6 +168,13 @@
public void processAction(ActionRequest request, ActionResponse actionResponse)
throws PortletException, IOException
{
+ // Is it an edit (customize) action
+ if (isEditAction(request))
+ {
+ savePreferences(request);
+ return;
+ }
+
Long guessCount = null;
Long targetValue = null;
Long currentGuess = null;
@@ -125,11 +190,14 @@
if ((targetValue != null) && (lastGuess != null))
{
if (targetValue.equals(lastGuess))
+ {
targetValue = null; // Since the number as guesed, start a new game
+ }
}
if (targetValue == null)
{
- targetValue = new Long(Math.round(Math.random() * 10.0));
+ targetValue = new Long(Math.round(Math.random() *
getHighRange(request)));
+ System.out.println("cheater: target value = " + targetValue);
guessCount = new Long(0);
session.setAttribute( TARGET_VALUE_NAME, targetValue,
PortletSession.APPLICATION_SCOPE);
}
@@ -165,7 +233,48 @@
// Update the attribute values
session.setAttribute( GUESS_COUNT_NAME, guessCount,
PortletSession.APPLICATION_SCOPE);
session.setAttribute( LAST_GUESS_NAME, currentGuess,
PortletSession.APPLICATION_SCOPE);
- actionResponse.setProperty(LAST_GUESS_NAME, currentGuess.toString());
+ //actionResponse.setRenderParameter(LAST_GUESS_NAME, lastGuess.toString());
return;
}
+
+ private long getHighRange(PortletRequest request)
+ {
+ PortletPreferences prefs = request.getPreferences();
+ String highRangePref = prefs.getValue("TopRange", "102");
+ long range = Long.parseLong(highRangePref);
+ if (range < 2)
+ {
+ range = 102;
+ }
+ return range;
+ }
+
+ private boolean isEditAction(ActionRequest request)
+ {
+ return (request.getParameter(TOP_RANGE_NAME) != null);
+ }
+
+ private void savePreferences(PortletRequest request)
+ {
+ String topRange = request.getParameter(TOP_RANGE_NAME);
+ long range = Long.parseLong(topRange);
+ if (range < 2)
+ {
+ // TODO: throw validation exception
+ return;
+ }
+ PortletPreferences prefs = request.getPreferences();
+ try
+ {
+ prefs.setValue(TOP_RANGE_NAME, topRange);
+ prefs.store();
+ PortletSession session = request.getPortletSession();
+ session.setAttribute( TOP_RANGE_NAME, new Long(range),
PortletSession.APPLICATION_SCOPE);
+ }
+ catch (Exception e)
+ {
+ // TODO: throw validation exception and redirect to error
+ }
+ }
+
}
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