initial BindingLifecycle @MVC integration

org.springframework.web/src/main/java/org/springframework/web/context/request/FacesWebRequest.java

@@ -17,11 +17,13 @@
 package org.springframework.web.context.request;
 
 import java.security.Principal;
+import java.util.Iterator;
 import java.util.Locale;
 import java.util.Map;
 import javax.faces.context.ExternalContext;
 import javax.faces.context.FacesContext;
 
+import org.springframework.util.CollectionUtils;
 import org.springframework.util.StringUtils;
 
 /**
@@ -63,6 +65,10 @@ public class FacesWebRequest extends FacesRequestAttributes implements NativeWeb
 		return getExternalContext().getRequestParameterMap().get(paramName);
 	}
 
+	public Iterator<String> getParameterNames() {
+		return getExternalContext().getRequestParameterNames();
+	}
+	
 	public String[] getParameterValues(String paramName) {
 		return getExternalContext().getRequestParameterValuesMap().get(paramName);
 	}

org.springframework.web/src/main/java/org/springframework/web/context/request/NativeWebRequestParameterMap.java

@@ -0,0 +1,86 @@
+/*
+ * Copyright 2004-2009 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.web.context.request;
+
+import java.util.Iterator;
+
+import org.springframework.core.collection.StringKeyedMapAdapter;
+import org.springframework.util.Assert;
+
+/**
+ * Map backed by a Web request parameter map for accessing request parameters.
+ * Also provides support for multi-part requests, providing transparent access to the request "fileMap" as a request parameter entry.
+ * @author Keith Donald
+ * @since 3.0
+ */ 
+public class NativeWebRequestParameterMap extends StringKeyedMapAdapter<Object> {
+
+	/**
+	 * The wrapped native request.
+	 */
+	private NativeWebRequest request;
+
+	/**
+	 * Create a new map wrapping the parameters of given request.
+	 */
+	public NativeWebRequestParameterMap(NativeWebRequest request) {
+		Assert.notNull(request, "The NativeWebRequest is required");
+		this.request = request;
+	}
+
+	protected Object getAttribute(String key) {
+		/* TODO - MultipartRequest is NOT accessible b/c its in web.servlet
+		if (request instanceof MultipartRequest) {
+			MultipartRequest multipartRequest = (MultipartRequest) request;
+			Object data = multipartRequest.getFileMap().get(key);
+			if (data != null) {
+				return data;
+			}
+		}
+		*/
+		String[] parameters = request.getParameterValues(key);
+		if (parameters == null) {
+			return null;
+		} else if (parameters.length == 1) {
+			return parameters[0];
+		} else {
+			return parameters;
+		}
+	}
+
+	protected void setAttribute(String key, Object value) {
+		throw new UnsupportedOperationException("WebRequest parameter maps are immutable");
+	}
+
+	protected void removeAttribute(String key) {
+		throw new UnsupportedOperationException("WebRequest parameter maps are immutable");
+	}
+
+	protected Iterator<String> getAttributeNames() {
+		return request.getParameterNames();
+		/* TODO - MultipartRequest is NOT accessible b/c its in web.servlet
+		if (request instanceof MultipartRequest) {
+			MultipartRequest multipartRequest = (MultipartRequest) request;
+			CompositeIterator iterator = new CompositeIterator();
+			iterator.add(multipartRequest.getFileMap().keySet().iterator());
+			iterator.add(CollectionUtils.toIterator(request.getParameterNames()));
+			return iterator;
+		} else {
+			return CollectionUtils.toIterator(request.getParameterNames());
+		}
+		*/
+	}
+}

org.springframework.web/src/main/java/org/springframework/web/context/request/ServletWebRequest.java

@@ -17,12 +17,14 @@
 package org.springframework.web.context.request;
 
 import java.security.Principal;
+import java.util.Iterator;
 import java.util.Locale;
 import java.util.Map;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import javax.servlet.http.HttpSession;
 
+import org.springframework.util.CollectionUtils;
 import org.springframework.util.ObjectUtils;
 import org.springframework.util.StringUtils;
 
@@ -97,6 +99,11 @@ public class ServletWebRequest extends ServletRequestAttributes implements Nativ
 		return getRequest().getParameterValues(paramName);
 	}
 
+	@SuppressWarnings("unchecked")
+	public Iterator<String> getParameterNames() {
+		return CollectionUtils.toIterator(getRequest().getParameterNames());
+	}
+
 	@SuppressWarnings("unchecked")
 	public Map<String, String[]> getParameterMap() {
 		return getRequest().getParameterMap();

org.springframework.web/src/main/java/org/springframework/web/context/request/WebRequest.java

@@ -17,6 +17,7 @@
 package org.springframework.web.context.request;
 
 import java.security.Principal;
+import java.util.Iterator;
 import java.util.Locale;
 import java.util.Map;
 
@@ -61,6 +62,13 @@ public interface WebRequest extends RequestAttributes {
 	 */
 	String[] getParameterValues(String paramName);
 
+	/**
+	 * Return a Iterator over request parameter names.
+	 * @see javax.servlet.http.HttpServletRequest#getParameterNames()
+	 * @since 3.0
+	 */
+	Iterator<String> getParameterNames();
+	
 	/**
 	 * Return a immutable Map of the request parameters, with parameter names as map keys
 	 * and parameter values as map values. The map values will be of type String array.