Added form handling to RM export REST API meaning it can now be called with a content of either application/json or multipart/form-data.

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@15741 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/web/scripts/content/StreamArchive.java

@@ -28,7 +28,9 @@ import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;
+import java.util.ArrayList;
 import java.util.List;
+import java.util.StringTokenizer;
 
 import javax.servlet.http.HttpServletResponse;
 
@@ -63,6 +65,7 @@ public class StreamArchive extends StreamContent
     
     protected static final String TEMP_FILE_PREFIX = "export_";
     protected static final String PARAM_NODE_REFS = "nodeRefs";
+    protected static final String MULTIPART_FORMDATA = "multipart/form-data";
     
     protected ExporterService exporterService;
     
@@ -85,7 +88,33 @@ public class StreamArchive extends StreamContent
         File tempArchiveFile = null;
         try
         {
-            // get JSON body
+            NodeRef[] nodeRefs = null;
+            String contentType = req.getContentType();
+            if (MULTIPART_FORMDATA.equals(contentType))
+            {
+                // get nodeRefs parameter from form
+                String nodeRefsParam = req.getParameter(PARAM_NODE_REFS);
+             
+                // check the list of NodeRefs is present
+                if (nodeRefsParam == null)
+                {
+                    throw new WebScriptException(Status.STATUS_BAD_REQUEST,
+                        "Mandatory 'nodeRefs' parameter was not provided in form data");
+                }
+                
+                List<NodeRef> listNodeRefs = new ArrayList<NodeRef>(8);
+                StringTokenizer tokenizer = new StringTokenizer(nodeRefsParam, ",");
+                while (tokenizer.hasMoreTokens())
+                {
+                    listNodeRefs.add(new NodeRef(tokenizer.nextToken().trim()));
+                }
+                
+                nodeRefs = new NodeRef[listNodeRefs.size()];
+                nodeRefs = listNodeRefs.toArray(nodeRefs);
+            }
+            else
+            {
+                // presume the request is a JSON request so get JSON body
                 json = new JSONObject(new JSONTokener(req.getContent().getContent()));
                 
                 // check the list of NodeRefs is present
@@ -99,12 +128,14 @@ public class StreamArchive extends StreamContent
                 if (jsonArray.length() != 0)
                 {
                     // build the list of NodeRefs
-                NodeRef[] nodeRefs = new NodeRef[jsonArray.length()];
+                    nodeRefs = new NodeRef[jsonArray.length()];
                     for (int i = 0; i < jsonArray.length(); i++)
                     {
                         NodeRef nodeRef = new NodeRef(jsonArray.getString(i));
                         nodeRefs[i] = nodeRef;
                     }
+                }                
+            }
             
             // create an archive of the nodes
             tempArchiveFile = createArchive(nodeRefs);
@@ -112,7 +143,6 @@ public class StreamArchive extends StreamContent
             // stream the archive back to the client as an attachment (forcing save as)
             streamContent(req, res, tempArchiveFile, true, tempArchiveFile.getName());
         } 
-        } 
         catch (IOException iox)
         {
             throw new WebScriptException(Status.STATUS_BAD_REQUEST,