Web Scripts:

- optionally force status in response header to success regardless of actual status; status in reponse document still reflects actual status
- to support the limitations of Flex runtime without Flex data services
- set alf-force-success-response to true in request header

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@5873 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/web/scripts/AbstractWebScript.java

@@ -31,6 +31,8 @@ import java.util.HashMap;
 import java.util.Map;
 import java.util.concurrent.locks.ReentrantReadWriteLock;
 
+import javax.servlet.http.HttpServletResponse;
+
 import org.alfresco.repo.jscript.Node;
 import org.alfresco.repo.jscript.ScriptableHashMap;
 import org.alfresco.repo.template.AbsoluteUrlMethod;
@@ -358,12 +360,13 @@ public abstract class AbstractWebScript implements WebScript
     
         if (logger.isDebugEnabled())
         {
+            logger.debug("Force success status header in response: " + req.forceSuccessStatus());
             logger.debug("Sending status " + statusCode + " (Template: " + template.path + ")");
             logger.debug("Rendering response: content type=" + mimetype);
         }
     
         res.reset();
-        res.setStatus(statusCode);
+        res.setStatus(req.forceSuccessStatus() ? HttpServletResponse.SC_OK : statusCode);
         res.setContentType(mimetype + ";charset=UTF-8");
         renderTemplate(template.path, model, res.getWriter());
     }

source/java/org/alfresco/web/scripts/DeclarativeWebScript.java

@@ -129,8 +129,10 @@ public class DeclarativeWebScript extends AbstractWebScript
             {
                 // render output
                 int statusCode = status.getCode();
-                if (statusCode != HttpServletResponse.SC_OK)
+                if (statusCode != HttpServletResponse.SC_OK && !req.forceSuccessStatus())
                 {
+                    logger.debug("Force success status header in response: " + req.forceSuccessStatus());
+                    logger.debug("Setting status " + statusCode);
                     res.setStatus(statusCode);
                 }
                 

source/java/org/alfresco/web/scripts/TestWebScriptServer.java

@@ -79,6 +79,9 @@ public class TestWebScriptServer
     /** Current user */
     private String username = "admin";
     
+    /** Current headers */
+    private Map<String, String> headers = new HashMap<String, String>();
+    
     /** I18N Messages */
     private MessageSource m_messages;    
     
@@ -391,7 +394,9 @@ public class TestWebScriptServer
                  command[0].equals("delete"))
         {
             String uri = (command.length > 1) ? command[1] : null;
-            MockHttpServletResponse res = submitRequest(command[0], uri);
+            MockHttpServletResponse res = submitRequest(command[0], uri, headers);
+            bout.write(("Response status: " + res.getStatus()).getBytes());
+            out.println();
             bout.write(res.getContentAsByteArray());
             out.println();
         }
@@ -414,16 +419,17 @@ public class TestWebScriptServer
                 {
                     uri += "&alf:method=" + command[2];
                 }
-                MockHttpServletResponse res = submitRequest("post", uri);
+                MockHttpServletResponse res = submitRequest("post", uri, headers);
                 bout.write(res.getContentAsByteArray());
                 out.println();
             }
             
             else if (command[1].equals("header"))
             {
-                Map<String, String> headers = new HashMap<String, String>();
-                headers.put("X-HTTP-Method-Override", command[2]);
-                MockHttpServletResponse res = submitRequest("post", command[3], headers);
+                Map<String, String> tunnelheaders = new HashMap<String, String>();
+                tunnelheaders.putAll(headers);
+                tunnelheaders.put("X-HTTP-Method-Override", command[2]);
+                MockHttpServletResponse res = submitRequest("post", command[3], tunnelheaders);
                 bout.write(res.getContentAsByteArray());
                 out.println();
             }
@@ -434,6 +440,43 @@ public class TestWebScriptServer
             }
         }
 
+        else if (command[0].equals("header"))
+        {
+            if (command.length == 1)
+            {
+                for (Map.Entry<String, String> entry : headers.entrySet())
+                {
+                    out.println(entry.getKey() + " = " + entry.getValue());
+                }
+            }
+            else if (command.length == 2)
+            {
+                String[] param = command[1].split("=");
+                if (param.length == 0)
+                {
+                    return "Syntax Error.\n";
+                }
+                if (param.length == 1)
+                {
+                    headers.remove(param[0]);
+                    out.println("deleted header " + param[0]);
+                }
+                else if (param.length == 2)
+                {
+                    headers.put(param[0], param[1]);
+                    out.println("set header " + param[0] + " = " + headers.get(param[0]));
+                }
+                else
+                {
+                    return "Syntax Error.\n";
+                }
+            }
+            else
+            {
+                return "Syntax Error.\n";
+            }
+        }            
+
         else if (command[0].equals("reset"))
         {
             registry.reset();

source/java/org/alfresco/web/scripts/WebScriptRequest.java

@@ -141,13 +141,6 @@ public interface WebScriptRequest
      */
     public FormatStyle getFormatStyle();
  
-    /**
-     * Get the JSON callback method
-     * 
-     * @return  method (or null, if not specified)
-     */
-    public String getJSONCallback();
-    
     /**
      * Get User Agent
      * 
@@ -157,4 +150,21 @@ public interface WebScriptRequest
      */
     public String getAgent();
 
+    /**
+     * Get the JSON callback method
+     * 
+     * @return  method (or null, if not specified)
+     */
+    public String getJSONCallback();
+
+    /**
+     * Force response to return SUCCESS (200) code
+     * 
+     * Note: This is to support clients who cannot support non-success codes
+     *       e.g. Flash player
+     *       
+     * @return true => force return of 200, otherwise return status explicitly set
+     */
+    public boolean forceSuccessStatus();
+    
 }

source/java/org/alfresco/web/scripts/WebScriptRequestImpl.java

@@ -147,4 +147,12 @@ public abstract class WebScriptRequestImpl implements WebScriptRequest
         return getParameter("alf_callback");
     }
 
+    /* (non-Javadoc)
+     * @see org.alfresco.web.scripts.WebScriptRequest#forceSuccessStatus()
+     */
+    public boolean forceSuccessStatus()
+    {
+        return false;
+    }
+
 }

source/java/org/alfresco/web/scripts/WebScriptRuntime.java

@@ -138,8 +138,7 @@ public abstract class WebScriptRuntime
                     String reqFormat = scriptReq.getFormat();
                     String format = (reqFormat == null || reqFormat.length() == 0) ? "default" : scriptReq.getFormat();
                     WebScriptDescription desc = scriptReq.getServiceMatch().getWebScript().getDescription();
-                    logger.debug("Format style: " + desc.getFormatStyle());
-                    logger.debug("Default format: " + desc.getDefaultFormat());
+                    logger.debug("Format style: " + desc.getFormatStyle() + ", Default format: " + desc.getDefaultFormat());
                     logger.debug("Invoking Web Script "  + description.getId() + (user == null ? " (unauthenticated)" : " (authenticated as " + user + ") (format " + format + ") (" + locale + ")"));
                 }
                 
@@ -224,12 +223,13 @@ public abstract class WebScriptRuntime
             // render output
             if (logger.isDebugEnabled())
             {
+                logger.debug("Force success status header in response: " + req.forceSuccessStatus());
                 logger.debug("Sending status " + statusCode + " (Template: " + templatePath + ")");
                 logger.debug("Rendering response: content type=" + MimetypeMap.MIMETYPE_HTML);
             }
 
             res.reset();
-            res.setStatus(statusCode);
+            res.setStatus(req.forceSuccessStatus() ? HttpServletResponse.SC_OK : statusCode);
             res.setContentType(MimetypeMap.MIMETYPE_HTML + ";charset=UTF-8");
             try
             {

source/java/org/alfresco/web/scripts/WebScriptServletRequest.java

@@ -248,4 +248,14 @@ public class WebScriptServletRequest extends WebScriptRequestImpl
         return port;
     }
 
+    /* (non-Javadoc)
+     * @see org.alfresco.web.scripts.WebScriptRequestImpl#forceSuccessStatus()
+     */
+    @Override
+    public boolean forceSuccessStatus()
+    {
+        String forceSuccess = req.getHeader("alf-force-success-response");
+        return Boolean.valueOf(forceSuccess);
+    }
+
 }