295.4.2. 部分 Payload 内容仅加密/解密
String tagXPATH = "//cheesesites/italy/cheese";
boolean secureTagContent = true;
...
from("direct:start")
.marshal().secureXML(tagXPATH, secureTagContent)
.unmarshal().secureXML(tagXPATH, secureTagContent)
.to("direct:end");