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Posted to dev@struts.apache.org by dw...@apache.org on 2001/07/16 07:14:10 UTC
cvs commit: jakarta-struts/src/share/org/apache/struts/action ActionMessages.java
dwinterfeldt 01/07/15 22:14:09
Modified: src/share/org/apache/struts/action ActionMessages.java
Log:
The initial order a property/key is added in is now maintained by using an inner class and a sort is performed on the Iterator before it is returned.
Revision Changes Path
1.2 +98 -27 jakarta-struts/src/share/org/apache/struts/action/ActionMessages.java
Index: ActionMessages.java
===================================================================
RCS file: /home/cvs/jakarta-struts/src/share/org/apache/struts/action/ActionMessages.java,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- ActionMessages.java 2001/07/12 05:18:31 1.1
+++ ActionMessages.java 2001/07/16 05:14:09 1.2
@@ -1,7 +1,7 @@
/*
- * $Header: /home/cvs/jakarta-struts/src/share/org/apache/struts/action/ActionMessages.java,v 1.1 2001/07/12 05:18:31 dwinterfeldt Exp $
- * $Revision: 1.1 $
- * $Date: 2001/07/12 05:18:31 $
+ * $Header: /home/cvs/jakarta-struts/src/share/org/apache/struts/action/ActionMessages.java,v 1.2 2001/07/16 05:14:09 dwinterfeldt Exp $
+ * $Revision: 1.2 $
+ * $Date: 2001/07/16 05:14:09 $
*
* ====================================================================
*
@@ -66,8 +66,10 @@
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collections;
+import java.util.Comparator;
import java.util.Iterator;
import java.util.HashMap;
+import java.util.List;
/**
@@ -87,7 +89,7 @@
* @author David Geary
* @author Craig R. McClanahan
* @author David Winterfeldt
- * @revision $Revision: 1.1 $ $Date: 2001/07/12 05:18:31 $
+ * @revision $Revision: 1.2 $ $Date: 2001/07/16 05:14:09 $
*/
public class ActionMessages implements Serializable {
@@ -112,24 +114,39 @@
* as an ArrayList) for each property, keyed by property name.
*/
protected HashMap messages = new HashMap();
+
+ /**
+ * The current number of the property/key being added. This is used
+ * to maintain the order messages are added.
+ */
+ protected int iCount = 0;
// --------------------------------------------------------- Public Methods
/**
- * Add a message to the set of messages for the specified property.
+ * Add a message to the set of messages for the specified property. An
+ * order of the property/key is maintained based on the initial addition
+ * of the property/key.
*
* @param property Property name (or ActionMessages.GLOBAL_MESSAGE)
* @param message The message to be added
*/
public void add(String property, ActionMessage message) {
- ArrayList list = (ArrayList) messages.get(property);
- if (list == null) {
- list = new ArrayList();
- messages.put(property, list);
+ ActionMessageItem ami = (ActionMessageItem) messages.get(property);
+ List list = null;
+
+ if (ami == null) {
+ list = new ArrayList();
+ ami = new ActionMessageItem(list, iCount++);
+
+ messages.put(property, ami);
+ } else {
+ list = ami.getList();
}
+
list.add(message);
}
@@ -165,14 +182,28 @@
if (messages.size() == 0)
return (Collections.EMPTY_LIST.iterator());
+
ArrayList results = new ArrayList();
- Iterator props = messages.keySet().iterator();
- while (props.hasNext()) {
- String prop = (String) props.next();
- Iterator messages = ((ArrayList) this.messages.get(prop)).iterator();
- while (messages.hasNext())
- results.add(messages.next());
+ ArrayList actionItems = new ArrayList();
+
+ for (Iterator i = messages.values().iterator(); i.hasNext(); )
+ actionItems.add(i.next());
+
+ // Sort ActionMessageItems based on the initial order the
+ // property/key was added to ActionMessages.
+ Collections.sort(actionItems, new Comparator() {
+ public int compare(Object o1, Object o2) {
+ return ((ActionMessageItem) o1).getOrder() - ((ActionMessageItem) o2).getOrder();
+ }
+ });
+
+ for (Iterator i = actionItems.iterator(); i.hasNext(); ) {
+ ActionMessageItem ami = (ActionMessageItem)i.next();
+
+ for (Iterator messages = ami.getList().iterator(); messages.hasNext(); )
+ results.add(messages.next());
}
+
return (results.iterator());
}
@@ -186,11 +217,12 @@
*/
public Iterator get(String property) {
- ArrayList list = (ArrayList) messages.get(property);
- if (list == null)
- return (Collections.EMPTY_LIST.iterator());
+ ActionMessageItem ami = (ActionMessageItem) messages.get(property);
+
+ if (ami == null)
+ return (Collections.EMPTY_LIST.iterator());
else
- return (list.iterator());
+ return (ami.getList().iterator());
}
@@ -218,12 +250,12 @@
public int size() {
int total = 0;
- Iterator keys = messages.keySet().iterator();
- while (keys.hasNext()) {
- String key = (String) keys.next();
- ArrayList list = (ArrayList) messages.get(key);
- total += list.size();
+
+ for (Iterator i = messages.values().iterator(); i.hasNext(); ) {
+ ActionMessageItem ami = (ActionMessageItem) i.next();
+ total += ami.getList().size();
}
+
return (total);
}
@@ -235,14 +267,53 @@
* @param property Property name (or ActionMessages.GLOBAL_MESSAGE)
*/
public int size(String property) {
+
+ ActionMessageItem ami = (ActionMessageItem) messages.get(property);
- ArrayList list = (ArrayList) messages.get(property);
- if (list == null)
+ if (ami == null)
return (0);
else
- return (list.size());
+ return (ami.getList().size());
}
+ /**
+ * This class is used to store a set of messages associated with a
+ * property/key and the position it was initially added to list.
+ */
+ protected class ActionMessageItem implements Serializable {
+
+ /**
+ * The list of <code>ActionMessage</code>s.
+ */
+ protected List list = null;
+
+ /**
+ * The position in the list of messages.
+ */
+ protected int iOrder = 0;
+
+ public ActionMessageItem(List list, int iOrder) {
+ this.list = list;
+ this.iOrder = iOrder;
+ }
+
+ public List getList() {
+ return list;
+ }
+
+ public void setList(List list) {
+ this.list = list;
+ }
+
+ public int getOrder() {
+ return iOrder;
+ }
+
+ public void setOrder(int iOrder) {
+ this.iOrder = iOrder;
+ }
+
+ }
}