408945 XML Args ignored without DTD

+ Semi-reverting prior commit as it broke with DTD use
 + Fixing up logic to allow for <Arg> <Set> <Call> with and without DTD
 + Adding testcase that uses default constructor with <Set> calls to
   setup a class

jetty-xml/src/main/java/org/eclipse/jetty/xml/XmlConfiguration.java

@@ -742,37 +742,40 @@ public class XmlConfiguration
         {
             Class<?> oClass = nodeClass(node);
             int argIndex = node.size();
-            for (int i = 0; i < node.size(); i++)
-            {
-                Object o = node.get(i);
-                if (o instanceof String)
-                    continue;
-                if (!((XmlParser.Node)o).getTag().equals("Arg"))
-                {
-                    argIndex = i;
-                    break;
-                }
-            }
             
             Map<String, Object> namedArgMap = new HashMap<>();
             List<Object> arguments = new LinkedList<>();
+            XmlParser.Node child;
 
+            // Find the <Arg> elements
             for (int i = 0; i < node.size(); i++)
             {
                 Object o = node.get(i);
-
                 if (o instanceof String)
                 {
+                    // Skip raw String nodes
                     continue;
                 }
                 
-                XmlParser.Node argNode = (XmlParser.Node)o;
-                
-                String namedAttribute = argNode.getAttribute("name");
-                Object value=value(obj,(XmlParser.Node)o);
+                child = (XmlParser.Node)o;
+                if(child.getTag().equals("Arg"))
+                {
+                    String namedAttribute = child.getAttribute("name");
+                    Object value=value(obj,child);
                     if (namedAttribute != null)
+                    {
+                        // named arguments
                         namedArgMap.put(namedAttribute,value);
+                    }
+                    // raw arguments
                     arguments.add(value);
+                } else {
+                    // The first non <Arg> child is the start of 
+                    // elements that configure the class, such as
+                    // <Set> and <Call> nodes
+                    argIndex = i;
+                    break;
+                }
             }
 
             if (LOG.isDebugEnabled())

jetty-xml/src/test/java/org/eclipse/jetty/xml/DefaultTestConfiguration.java

@@ -0,0 +1,74 @@
+//
+//  ========================================================================
+//  Copyright (c) 1995-2013 Mort Bay Consulting Pty. Ltd.
+//  ------------------------------------------------------------------------
+//  All rights reserved. This program and the accompanying materials
+//  are made available under the terms of the Eclipse Public License v1.0
+//  and Apache License v2.0 which accompanies this distribution.
+//
+//      The Eclipse Public License is available at
+//      http://www.eclipse.org/legal/epl-v10.html
+//
+//      The Apache License v2.0 is available at
+//      http://www.opensource.org/licenses/apache2.0.php
+//
+//  You may elect to redistribute this code under either of these licenses.
+//  ========================================================================
+//
+
+package org.eclipse.jetty.xml;
+
+public class DefaultTestConfiguration
+{
+    private String first;
+    private String second;
+    private String third;
+    
+    DefaultTestConfiguration nested;
+    
+    public DefaultTestConfiguration()
+    {
+        /* default constructor */
+    }
+
+    public String getFirst()
+    {
+        return first;
+    }
+
+    public void setFirst(String first)
+    {
+        this.first = first;
+    }
+
+    public String getSecond()
+    {
+        return second;
+    }
+
+    public void setSecond(String second)
+    {
+        this.second = second;
+    }
+
+    public String getThird()
+    {
+        return third;
+    }
+
+    public void setThird(String third)
+    {
+        this.third = third;
+    }
+
+    public DefaultTestConfiguration getNested()
+    {
+        return nested;
+    }
+
+    public void setNested(DefaultTestConfiguration nested)
+    {
+        this.nested = nested;
+    }
+    
+}

jetty-xml/src/test/java/org/eclipse/jetty/xml/XmlConfigurationTest.java

@@ -571,6 +571,34 @@ public class XmlConfigurationTest
         Assert.assertEquals("nested third parameter not wired correctly","arg3", atc.getNested().getThird());
     }
 
+    @Test
+    public void testSetGetIgnoredMissingDTD() throws Exception
+    {
+        XmlConfiguration xmlConfiguration = new XmlConfiguration(new ByteArrayInputStream(("" +
+                "<Configure class=\"org.eclipse.jetty.xml.DefaultTestConfiguration\">" +
+                "  <Set name=\"first\">arg1</Set>  " +
+                "  <Set name=\"second\">arg2</Set>  " +
+                "  <Set name=\"third\">arg3</Set>  " +
+                "  <Set name=\"nested\">  " +
+                "    <New class=\"org.eclipse.jetty.xml.DefaultTestConfiguration\">\n" + 
+                "      <Set name=\"first\">arg1</Set>  " +
+                "      <Set name=\"second\">arg2</Set>  " +
+                "      <Set name=\"third\">arg3</Set>  " +
+                "    </New>" +
+                "  </Set>" +
+                "</Configure>").getBytes("ISO-8859-1")));
+//        XmlConfiguration xmlConfiguration = new XmlConfiguration(url);
+
+        DefaultTestConfiguration atc = (DefaultTestConfiguration)xmlConfiguration.configure();
+
+        Assert.assertEquals("first parameter not wired correctly","arg1", atc.getFirst());
+        Assert.assertEquals("second parameter not wired correctly","arg2", atc.getSecond());
+        Assert.assertEquals("third parameter not wired correctly","arg3", atc.getThird());
+        Assert.assertEquals("nested first parameter not wired correctly","arg1", atc.getNested().getFirst());
+        Assert.assertEquals("nested second parameter not wired correctly","arg2", atc.getNested().getSecond());
+        Assert.assertEquals("nested third parameter not wired correctly","arg3", atc.getNested().getThird());
+    }
+
     @Test
     public void testNestedConstructorNamedInjectionUnorderedMixed() throws Exception
     {