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[英]How to declare doctype ,xml version and encoding in XML file using DOM parser in java?
[英]How to add Doctype in XML document using DOM (JAVA)
我在java中使用DOM創建了一個XML文檔。 我無法添加doctype。 我想要像這樣的doctype。
<!DOCTYPE IndInfo PUBLIC "EDAFileSomething" "EDAFileSomething_2_0.dtd">
這是文檔創建代碼。
DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder docBuilder = docFactory.newDocumentBuilder();
Document doc = docBuilder.newDocument();
這是Transformer對象代碼。
TransformerFactory transformerFactory = TransformerFactory.newInstance();
Transformer transformer = null;
try {
transformer = transformerFactory.newTransformer();
} catch (TransformerConfigurationException ex) {
Logger.getLogger(Reader.class.getName()).log(Level.SEVERE, null, ex);
}
DOMSource source = new DOMSource(doc);
try {
StreamResult result = new StreamResult(System.out);
transformer.transform(source, result);
} catch (TransformerException ex) {
Logger.getLogger(Reader.class.getName()).log(Level.SEVERE, null, ex);
}
System.out.println("File saved!");
您可以使用DOM構造doctype並將doctype設置為輸出屬性。
TransformerFactory transformerFactory = TransformerFactory.newInstance();
Transformer transformer = transformerFactory.newTransformer();
transformer.setOutputProperty(OutputKeys.INDENT, "yes");
transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "no");
transformer.setOutputProperty(OutputKeys.METHOD, "xml");
DOMImplementation domImpl = document.getImplementation();
DocumentType doctype = domImpl.createDocumentType("doctype",
"-//Oberon//YOUR PUBLIC DOCTYPE//EN",
"YOURDTD.dtd");
transformer.setOutputProperty(OutputKeys.DOCTYPE_PUBLIC, doctype.getPublicId());
transformer.setOutputProperty(OutputKeys.DOCTYPE_SYSTEM, doctype.getSystemId());
DOMSource source = new DOMSource(document);
StreamResult result = new StreamResult(new File(database));
transformer.transform(source, result);
如果通過在DocumentBuilder
上調用getDOMImplementation()
方法獲得DOMImplementation
實例,則可以使用createDocument
方法創建具有指定doctype的新Document
。
它還有一個createDocumentType
方法,用於創建DocumentType
對象
請參閱http://docs.oracle.com/javase/1.5.0/docs/api/org/w3c/dom/DOMImplementation.html和http://docs.oracle.com/javase/1.5.0/docs/ api / javax / xml / parsers / DocumentBuilder.html了解更多信息。
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