initial attempt at implementing the blobstore API

README.md

@@ -42,7 +42,38 @@ The Python ext/db api is supported. The API is slightly different to better fit
     var c1 = Category.get(key);
     var c2 = Category.getByKeyName("news");
     var categories = Category.all().limit(3).fetch();
-
+         
+
+Blobstore
+--------- 
+
+Upload form
+
+   <form action="{uploadUrl}" method="post" enctype="multipart/form-data">
+       <input type="file" name="myFile">
+       <input type="submit" value="Submit">
+   </form>
+
+Upload 
+
+    exports.POST = function(env) {
+        var blobinfo = blobs.getUploadedBlobs(env); 
+        return {
+            status : 303,
+            headers : {
+                "Location": "/download?blob-key=" + blobinfo.myFile
+            }
+        }; 
+    };
+
+Download
+
+    exports.GET = function(env) {
+        var params = new Request(env).params();
+        blobs.serve(env, params["blob-key"]); 
+        return {};
+    }
+
 
 Images
 ------

lib/google/appengine/api/blobstore.js

@@ -5,24 +5,38 @@
 
 var JBlobstoreServiceFactory = Packages.com.google.appengine.api.blobstore.BlobstoreServiceFactory;   
 var jservice = exports.BlobstoreService = JBlobstoreServiceFactory.getBlobstoreService();
+
 var JBlobKey = exports.BlobKey = Packages.com.google.appengine.api.blobstore.BlobKey;
-exports.BlobKeyFactory = Packages.com.google.appengine.api.blobstore.BlobKeyFactory;
+/*
 var JBlobInfo = exports.BlobInfo = Packages.com.google.appengine.api.blobstore.BlobInfo;
 exports.BlobInfoFactory = Packages.com.google.appengine.api.blobstore.BlobInfoFactory; 
-
+*/
 
 exports.createUploadUrl = function(dest) {
     return String(jservice.createUploadUrl(dest));
 };
-
-exports['delete'] = function(blobKey) {
-    jservice['delete'](blobKey.__key__);
+
+exports['delete'] = function(key) {
+    //TODO: accept BlobKey object as argument instead of plain text key ???
+    jservice['delete'](new JBlobKey(key));
 };   
 
-exports.getUploadedBlobs  = function(request) {
-    return jservice.getUploadedBlobs(request);
+exports.getUploadedBlobs  = function(env) {
+    var map = jservice.getUploadedBlobs(env["jack.servlet_request"]);
+    var result = {};
+    for (var i in Iterator(map.entrySet())){
+       result[i.getKey()] = (new String(i.getValue())).split(" ")[1].split(">")[0];  // TODO: better parsing
+    }  
+    //TODO: return BlobKey objects instead of plain text keys ???
+    return result;
 };
 
+exports.serve  = function(env, key) { 
+    jservice.serve(new JBlobKey(key), env["jack.servlet_response"]); 
+};
+
+/*     
 var BlobKey = exports.BlobKey = function(keyString) {
     this.__key__ = new JBlobKey(keyString);
-}
+}
+*/