Final polish of Ajax support.

spring-js/src/main/java/org/springframework/js/ajax/AjaxRedirectView.java

@@ -0,0 +1,31 @@
+package org.springframework.js.ajax;
+
+import java.io.IOException;
+
+import javax.servlet.ServletContext;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.springframework.web.servlet.View;
+import org.springframework.web.servlet.support.RequestContextUtils;
+import org.springframework.web.servlet.view.RedirectView;
+
+public class AjaxRedirectView extends RedirectView implements View {
+
+	private AjaxHandler ajaxHandler = new SpringJavascriptAjaxHandler();
+
+	public AjaxRedirectView(String redirectUrl, boolean redirectContextRelative, boolean redirectHttp10Compatible) {
+		super(redirectUrl, redirectContextRelative, redirectHttp10Compatible);
+	}
+
+	protected void sendRedirect(HttpServletRequest request, HttpServletResponse response, String targetUrl,
+			boolean http10Compatible) throws IOException {
+		ServletContext context = RequestContextUtils.getWebApplicationContext(request).getServletContext();
+		if (ajaxHandler.isAjaxRequest(context, request, response)) {
+			ajaxHandler.sendAjaxRedirect(context, request, response, targetUrl, false);
+		} else {
+			super.sendRedirect(request, response, targetUrl, http10Compatible);
+		}
+	}
+
+}

spring-js/src/main/java/org/springframework/js/ajax/AjaxUrlBasedViewResolver.java

@@ -0,0 +1,28 @@
+package org.springframework.js.ajax;
+
+import java.util.Locale;
+
+import org.springframework.web.servlet.View;
+import org.springframework.web.servlet.view.UrlBasedViewResolver;
+
+public class AjaxUrlBasedViewResolver extends UrlBasedViewResolver {
+
+	/**
+	 * Overridden to implement check for "redirect:" prefix.
+	 * <p>
+	 * Redirect requires special behavior on an Ajax request.
+	 */
+	protected View createView(String viewName, Locale locale) throws Exception {
+		// If this resolver is not supposed to handle the given view,
+		// return null to pass on to the next resolver in the chain.
+		if (!canHandle(viewName, locale)) {
+			return null;
+		}
+		// Check for special "redirect:" prefix.
+		if (viewName.startsWith(REDIRECT_URL_PREFIX)) {
+			String redirectUrl = viewName.substring(REDIRECT_URL_PREFIX.length());
+			return new AjaxRedirectView(redirectUrl, isRedirectContextRelative(), isRedirectHttp10Compatible());
+		}
+		return super.createView(viewName, locale);
+	}
+}

spring-js/src/main/java/org/springframework/js/ajax/tiles2/AjaxTilesView.java

@@ -17,13 +17,14 @@ import org.apache.tiles.context.TilesRequestContext;
 import org.apache.tiles.impl.BasicTilesContainer;
 import org.springframework.js.ajax.AjaxHandler;
 import org.springframework.js.ajax.SpringJavascriptAjaxHandler;
+import org.springframework.util.StringUtils;
 import org.springframework.web.servlet.support.JstlUtils;
 import org.springframework.web.servlet.support.RequestContext;
 import org.springframework.web.servlet.view.tiles2.TilesView;
 
 public class AjaxTilesView extends TilesView {
 
-	public static final String FRAGMENTS_PARAM = "fragments";
+	private static final String FRAGMENTS_PARAM = "fragments";
 
 	private AjaxHandler ajaxHandler = new SpringJavascriptAjaxHandler();
 
@@ -48,16 +49,22 @@ public class AjaxTilesView extends TilesView {
 			Map flattenedAttributeMap = new HashMap();
 			flattenAttributeMap(container, tilesRequestContext, flattenedAttributeMap, compositeDefinition);
 
-			String attrName = request.getParameter(FRAGMENTS_PARAM);
-
-			Attribute attributeToRender = (Attribute) flattenedAttributeMap.get(attrName);
-
-			container.render(attributeToRender, response.getWriter(), new Object[] { request, response });
+			String[] attrNames = getRenderFragments(model, request, response);
+			response.flushBuffer();
+			for (int i = 0; i < attrNames.length; i++) {
+				Attribute attributeToRender = (Attribute) flattenedAttributeMap.get(attrNames[i]);
+				container.render(attributeToRender, response.getWriter(), new Object[] { request, response });
+			}
 		} else {
 			super.renderMergedOutputModel(model, request, response);
 		}
 	}
 
+	protected String[] getRenderFragments(Map model, HttpServletRequest request, HttpServletResponse response) {
+		String attrName = request.getParameter(FRAGMENTS_PARAM);
+		return StringUtils.commaDelimitedListToStringArray(attrName);
+	}
+
 	private void flattenAttributeMap(BasicTilesContainer container, TilesRequestContext requestContext, Map resultMap,
 			Definition compositeDefinition) throws Exception {
 		Iterator i = compositeDefinition.getAttributes().keySet().iterator();