I searched on google first and I found many result about how to parse with xpath a xml document. I have parse it but a want to convert a NODELIST in String and I have created a method for it:
private String processResult(Document responseDocument) throws XPathExpressionException, TransformerException {
NodeList soaphead = responseDocument.getElementsByTagName("xmlTagToTrasform");
StringWriter sw = new StringWriter();
Transformer serializer = TransformerFactory.newInstance().newTransformer();
serializer.transform(new DOMSource(soaphead.item(0)), new StreamResult(sw));
String result = sw.toString();
return result;
}
This method works perfectly but the transformer adds an <?xml version="1.0" encoding="UTF-8"?>
in the header of the result, and I don't want that. This is the result of the method:
<?xml version="1.0" encoding="UTF-8"?>
<xmlTagToTrasform>
<xmlTagToTrasform2>
.
.
.
.
</xmlTagToTrasform2>
</xmlTagToTrasform>
在调用transform
之前,可以将变换器配置为不输出XML声明:
serializer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
XML is a markup language and every xml document has this line on the top to specify the version and the encoding-type. It is madatory to have this.
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