fileupload.js

importPackage(org.apache.commons.fileupload);
importPackage(org.apache.commons.fileupload.servlet);
importPackage(org.apache.commons.io);
importPackage(com.google.appengine.api.datastore);
importPackage(java.lang);

var fileupload = {
    getData: function(request) {
        var data = [];
        try {
            var upload = new ServletFileUpload();
            var iter = upload.getItemIterator(request);
            while(iter.hasNext()) {
                var item = iter.next();
                var stream = item.openStream();

                if(item.isFormField()) {
                    data.push({
                        file: false,
                        fieldName: item.getFieldName(),
                        // added the "" at the end to convert it to JS string
                        fieldValue: new java.lang.String(IOUtils.toByteArray(stream), "utf-8")
                    });
                } else {
                    data.push({
                        file: true,
                        fieldName: item.getName(),
                        fieldValue: new Blob(IOUtils.toByteArray(stream))
                    });
                }

            }
        } catch (e){
            throw new Exception(e);
        }

        return data;
    }
};
exports = fileupload;