manually set json response

jjson-struts2/src/main/java/de/grobmeier/json/plugins/struts2/JsonResult.java

@@ -44,6 +44,8 @@ public class JsonResult extends StrutsResultSupport {
 
 	private boolean commentOutput = true;
 
+    private String jsonResponse;
+
 	/** Default constructor */
 	public JsonResult() {
 	}
@@ -84,7 +86,19 @@ protected void doExecute(String finalLocation, ActionInvocation invocation)
 
 		PrintWriter writer = response.getWriter();
 		try {
-			if (!ActionSupport.SUCCESS.equals(invocation.getResultCode())) {
+            if(this.jsonResponse != null) {
+                if (this.commentOutput) {
+                    log.debug("JSON will be served with comments - change with param: outputComment = false ");
+                    writer.write("/* ");
+                    writer.write(this.jsonResponse);
+                    writer.write(" */");
+                } else {
+                    writer.write(this.jsonResponse);
+                }
+                return;
+            }
+
+            if (!ActionSupport.SUCCESS.equals(invocation.getResultCode())) {
 				if(ActionSupport.LOGIN.equals(invocation.getResultCode())) {
 					response.sendError(401, "Not authorized");
 					return;
@@ -99,6 +113,7 @@ protected void doExecute(String finalLocation, ActionInvocation invocation)
 				writer.write(new char[] { 'n', 'u', 'l', 'l' }, 0, 4);
 				return;
 			}
+
 			Object obj = invocation.getAction();
 			JSONAnnotationEncoder encoder = new JSONAnnotationEncoder();
 			String result = encoder.encode(obj);
@@ -119,6 +134,14 @@ protected void doExecute(String finalLocation, ActionInvocation invocation)
 		}
 	}
 
+    /**
+     * Sets the response for this result. Once the response is set, the actions
+     * will not be serialized anymore.
+     */
+    public void setJsonResponse(String response) {
+        this.jsonResponse = response;
+    }
+
 	/**
 	 * Set the character set
 	 * 

jjson-struts2/src/test/java/de/grobmeier/json/plugins/struts2/JsonResultTest.java

@@ -72,4 +72,10 @@ public void testMultiline() throws Exception {
                 System.out.println(executeAction);
 		Assert.assertEquals(expected, executeAction);
 	}
+
+    @Test
+    public void testSetJsonResponse() throws Exception {
+        String executeAction = this.executeAction("/test3");
+        Assert.assertEquals("/* {\"hello\":\"world\"} */", executeAction);
+    }
 }

jjson-struts2/src/test/java/de/grobmeier/json/plugins/struts2/SendToLoginAction.java

@@ -0,0 +1,25 @@
+/*
+ *  Copyright 2011 Christian Grobmeier 
+ *  
+ *  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 de.grobmeier.json.plugins.struts2;
+
+import com.opensymphony.xwork2.ActionSupport;
+import de.grobmeier.jjson.convert.JSON;
+
+public class SendToLoginAction extends ActionSupport {
+	public String execute(){
+		return LOGIN;
+	}
+}

jjson-struts2/src/test/resources/struts.xml

@@ -46,4 +46,20 @@
 			<result type="json" />
 		</action>
 	</package>
+
+    <package name="globalResponse" extends="struts-default">
+        <result-types>
+            <result-type name="json" class="de.grobmeier.json.plugins.struts2.JsonResult" />
+        </result-types>
+
+        <global-results>
+            <result name="login" type="json">
+                <param name="jsonResponse">{"hello":"world"}</param>
+            </result>
+        </global-results>
+
+        <action name="test3" class="de.grobmeier.json.plugins.struts2.SendToLoginAction">
+            <result type="json" />
+        </action>
+    </package>
 </struts>