通过jaxws修改soap message.

项目需要，要对java的soap messge进行改动。

主要是改动header和body部分。

代码如下。


code 1 [java 取出body，加一个header]

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SOAPMessage message = messageContext.getMessage();

//把soap的body提出来。
//Creates a new DOM org.w3c.dom.Document and sets the first child of this SOAPBody as
//it's document element. The child SOAPElement is removed as part of the process.

Document doc = message.getSOAPBody().extractContentAsDocument();

StringWriter output = new StringWriter();

TransformerFactory.newInstance().newTransformer().transform( new DOMSource(doc), new StreamResult(output));

//这个就是soapbody的字符串表示了
String bodyString = output.toString();

String encryptBodyString = encryptString(bodyString);

SOAPElement soapElement = message.getSOAPHeader().addChildElement(
HeaderConstant.DataQName);
soapElement.addTextNode(encryptBodyString);

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code 2 [java 设置body，删除一个header]

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SOAPMessage message = messageContext.getMessage();

SOAPHeader header = message.getSOAPHeader();

Iterator dataIterator = header.getChildElements(HeaderConstant.DataQName);

SOAPElement dataElements = (SOAPElement) dataIterator.next();

bodayString = dataElements.getValue();

String decryptString = decryptString(bodayString);

DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();

factory.setNamespaceAware(true);

DocumentBuilder builder = factory.newDocumentBuilder();

Document doc = builder.parse(new ByteArrayInputStream(decryptString.getBytes()));

message.getSOAPBody().addDocument(doc);

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