* Public constructor.
* @param configTree Action Properties.
* @throws ConfigurationException Action not properly configured.
*/
public ObjectToXStream(ConfigTree configTree) {
payloadProxy = new MessagePayloadProxy(configTree,
new String[] {BytesBody.BYTES_LOCATION, ActionUtils.POST_ACTION_DATA},
new String[] {ActionUtils.POST_ACTION_DATA});
classAlias = configTree.getAttribute(ATTR_CLASS_ALIAS);
excludePackage = configTree.getAttribute(ATTR_EXCLUDE_PACKAGE, "true").equals("true");
namespaces = getNamespaces(configTree);