Issue #418

Author: gondor

core/src/main/java/org/openstack4j/model/storage/object/options/ObjectPutOptions.java

@@ -1,6 +1,6 @@
 package org.openstack4j.model.storage.object.options;
 
-import static org.openstack4j.model.storage.object.SwiftHeaders.CONTAINER_METADATA_PREFIX;
+import static org.openstack4j.model.storage.object.SwiftHeaders.OBJECT_METADATA_PREFIX;
 import static org.openstack4j.model.storage.object.SwiftHeaders.CONTENT_TYPE;
 
 import java.util.Map;
@@ -50,7 +50,7 @@ public ObjectPutOptions path(String path) {
      * @return ObjectPutOptions
      */
     public ObjectPutOptions metadata(Map<String, String> metadata) {
-        this.headers.putAll(MetadataToHeadersFunction.create(CONTAINER_METADATA_PREFIX).apply(metadata));
+        this.headers.putAll(MetadataToHeadersFunction.create(OBJECT_METADATA_PREFIX).apply(metadata));
         return this;
     }
 

core/src/main/java/org/openstack4j/openstack/storage/object/functions/MetadataToHeadersFunction.java

@@ -43,7 +43,7 @@ public Map<String, String> apply(Map<String, String> metadata) {
         for (String key : metadata.keySet()) {
             String keyLower = key.toLowerCase();
             String value = metadata.get(key);
-            if (keyLower.startsWith(prefix))
+            if (keyLower.startsWith(prefix.toLowerCase()))
                 headers.put(keyLower, value);
             else
                 headers.put(String.format("%s%s", prefix, keyLower), value);