Add HTTP method to RequestDataValueProcessor method

Issue: SPR-10041, SPR-10652

spring-webmvc/src/main/java/org/springframework/web/servlet/support/RequestDataValueProcessor.java

 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2013 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.
@@ -42,9 +42,10 @@ public interface RequestDataValueProcessor {
 	 * Invoked when a new form action is rendered.
 	 * @param request the current request
 	 * @param action the form action
+	 * @param httpMethod the form HTTP method
 	 * @return the action to use, possibly modified
 	 */
-	String processAction(HttpServletRequest request, String action);
+	String processAction(HttpServletRequest request, String action, String httpMethod);
 
 	/**
 	 * Invoked when a form field value is rendered.

spring-webmvc/src/main/java/org/springframework/web/servlet/tags/form/FormTag.java

@@ -346,8 +346,7 @@ public class FormTag extends AbstractHtmlElementTag {
 		tagWriter.startTag(FORM_TAG);
 		writeDefaultAttributes(tagWriter);
 		tagWriter.writeAttribute(ACTION_ATTRIBUTE, resolveAction());
-		writeOptionalAttribute(tagWriter, METHOD_ATTRIBUTE,
-				isMethodBrowserSupported(getMethod()) ? getMethod() : DEFAULT_METHOD);
+		writeOptionalAttribute(tagWriter, METHOD_ATTRIBUTE, getHttpMethod());
 		writeOptionalAttribute(tagWriter, TARGET_ATTRIBUTE, getTarget());
 		writeOptionalAttribute(tagWriter, ENCTYPE_ATTRIBUTE, getEnctype());
 		writeOptionalAttribute(tagWriter, ACCEPT_CHARSET_ATTRIBUTE, getAcceptCharset());
@@ -382,6 +381,10 @@ public class FormTag extends AbstractHtmlElementTag {
 		return EVAL_BODY_INCLUDE;
 	}
 
+	private String getHttpMethod() {
+		return isMethodBrowserSupported(getMethod()) ? getMethod() : DEFAULT_METHOD;
+	}
+
 	private void assertHttpMethod(String method) {
 		for (HttpMethod httpMethod : HttpMethod.values()) {
 			if (httpMethod.name().equalsIgnoreCase(method)) {
@@ -465,7 +468,7 @@ public class FormTag extends AbstractHtmlElementTag {
 		RequestDataValueProcessor processor = getRequestContext().getRequestDataValueProcessor();
 		ServletRequest request = this.pageContext.getRequest();
 		if ((processor != null) && (request instanceof HttpServletRequest)) {
-			action = processor.processAction((HttpServletRequest) request, action);
+			action = processor.processAction((HttpServletRequest) request, action, getHttpMethod());
 		}
 		return action;
 	}

spring-webmvc/src/test/java/org/springframework/web/servlet/support/RequestDataValueProcessorWrapper.java

 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2013 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.
@@ -20,8 +20,6 @@ import java.util.Map;
 
 import javax.servlet.http.HttpServletRequest;
 
-import org.springframework.web.servlet.support.RequestDataValueProcessor;
-
 public class RequestDataValueProcessorWrapper implements RequestDataValueProcessor {
 
 	private RequestDataValueProcessor processor;
@@ -41,8 +39,8 @@ public class RequestDataValueProcessorWrapper implements RequestDataValueProcess
 	}
 
 	@Override
-	public String processAction(HttpServletRequest request, String action) {
-		return (this.processor != null) ? this.processor.processAction(request, action) : action;
+	public String processAction(HttpServletRequest request, String action, String httpMethod) {
+		return (this.processor != null) ? this.processor.processAction(request, action, httpMethod) : action;
 	}
 
 	@Override

spring-webmvc/src/test/java/org/springframework/web/servlet/tags/form/FormTagTests.java

@@ -326,7 +326,7 @@ public class FormTagTests extends AbstractHtmlElementTagTests {
 	public void testRequestDataValueProcessorHooks() throws Exception {
 		String action = "/my/form?foo=bar";
 		RequestDataValueProcessor processor = getMockRequestDataValueProcessor();
-		given(processor.processAction(this.request, action)).willReturn(action);
+		given(processor.processAction(this.request, action, "post")).willReturn(action);
 		given(processor.getExtraHiddenFields(this.request)).willReturn(Collections.singletonMap("key", "value"));
 
 		this.tag.doStartTag();