dwinterfeldt 01/07/11 22:12:04
Modified: src/share/org/apache/struts/action Action.java
Log:
Added a constant for storing a message in scope and a save method for putting
ActionMessages into scope.
Revision Changes Path
1.23 +33 -4 jakarta-struts/src/share/org/apache/struts/action/Action.java
Index: Action.java
===================================================================
RCS file: /home/cvs/jakarta-struts/src/share/org/apache/struts/action/Action.java,v
retrieving revision 1.22
retrieving revision 1.23
diff -u -r1.22 -r1.23
--- Action.java 2001/05/20 04:54:41 1.22
+++ Action.java 2001/07/12 05:12:01 1.23
@@ -1,7 +1,7 @@
/*
- * $Header:
/home/cvs/jakarta-struts/src/share/org/apache/struts/action/Action.java,v 1.22
2001/05/20 04:54:41 craigmcc Exp $
- * $Revision: 1.22 $
- * $Date: 2001/05/20 04:54:41 $
+ * $Header:
/home/cvs/jakarta-struts/src/share/org/apache/struts/action/Action.java,v 1.23
2001/07/12 05:12:01 dwinterfeldt Exp $
+ * $Revision: 1.23 $
+ * $Date: 2001/07/12 05:12:01 $
*
* ====================================================================
*
@@ -108,7 +108,7 @@
* by this Action.
*
* @author Craig R. McClanahan
- * @version $Revision: 1.22 $ $Date: 2001/05/20 04:54:41 $
+ * @version $Revision: 1.23 $ $Date: 2001/07/12 05:12:01 $
*/
public class Action {
@@ -135,6 +135,13 @@
public static final String ERROR_KEY =
"org.apache.struts.action.ERROR";
+ /**
+ * The request attributes key under which your action should store an
+ * <code>org.apache.struts.action.ActionMessages</code> object, if you
+ * are using the corresponding custom tag library elements.
+ */
+ public static final String MESSAGE_KEY =
+ "org.apache.struts.action.MESSAGE";
/**
* The request attributes key under which Struts custom tags might store a
@@ -486,6 +493,28 @@
}
+ /**
+ * Save the specified messages keys into the appropriate request
+ * attribute for use by the <struts:messages> tag (if messages="true" is
set),
+ * if any messages are required. Otherwise, ensure that the request
+ * attribute is not created.
+ *
+ * @param request The servlet request we are processing
+ * @param messages Messages object
+ */
+ protected void saveMessages(HttpServletRequest request,
+ ActionMessages messages) {
+
+ // Remove any messages attribute if none are required
+ if ((messages == null) || messages.empty()) {
+ request.removeAttribute(MESSAGE_KEY);
+ return;
+ }
+
+ // Save the messages we need
+ request.setAttribute(MESSAGE_KEY, messages);
+
+ }
/**
* Save a new transaction token in the user's current session, creating
