add support for multipart uploads

wizard-common/src/main/java/org/cobbzilla/wizard/client/ApiClientBase.java

@@ -508,14 +508,24 @@ public class ApiClientBase implements Cloneable, Closeable {
         if (request.getMethod().equals(GET)) {
             return HttpUtil.get(getBaseUri() + request.getUri(), new SingletonMap<>(getTokenHeader(), getToken()), headers);
         } else if (request.getMethod().equals(POST)) {
-            return HttpUtil.post(getBaseUri() + request.getUri(), request.getEntityInputStream(), new SingletonMap<>(getTokenHeader(), getToken()), headers);
+            return HttpUtil.post(getBaseUri() + request.getUri(), request.getEntityInputStream(), null, new SingletonMap<>(getTokenHeader(), getToken()), headers);
         } else if (request.getMethod().equals(PUT)) {
-            return HttpUtil.put(getBaseUri() + request.getUri(), request.getEntityInputStream(), new SingletonMap<>(getTokenHeader(), getToken()), headers);
+            return HttpUtil.put(getBaseUri() + request.getUri(), request.getEntityInputStream(), null, new SingletonMap<>(getTokenHeader(), getToken()), headers);
         } else {
             throw new IOException("getStream: unsupported HTTP request method: "+request.getMethod());
         }
     }
 
+    public InputStream uploadMultipartStream(HttpRequestBean request, String name) throws IOException {
+        if (request.getMethod().equals(POST)) {
+            return HttpUtil.post(getBaseUri() + request.getUri(), request.getEntityInputStream(), name, new SingletonMap<>(getTokenHeader(), getToken()), headers);
+        } else if (request.getMethod().equals(PUT)) {
+            return HttpUtil.put(getBaseUri() + request.getUri(), request.getEntityInputStream(), name, new SingletonMap<>(getTokenHeader(), getToken()), headers);
+        } else {
+            throw new IOException("uploadMultipartStream: unsupported HTTP request method: "+request.getMethod());
+        }
+    }
+
     public String getStreamedString(HttpRequestBean request) throws IOException {
         try {
             @Cleanup InputStream in = getStream(request);