java - 如何从 XML 文档中删除/移除 DOCTYPE 声明？

Question

如何在 JAVA 中使用 DOM Parser 或 SAX Parser 从 XML 文档中删除/删除 DOCTYPE 声明？

如果你想知道的东西丢失了。只需在您的评论中提及即可。

谢谢

Answer 1

这似乎可以满足您的要求：

try {
    XMLInputFactory inFactory = XMLInputFactory.newFactory();
    XMLOutputFactory outFactory = XMLOutputFactory.newFactory();

    XMLEventReader input = inFactory.createXMLEventReader(
            new FileInputStream("test.xml"));
    XMLEventReader filtered = inFactory.createFilteredReader(
            input, new DTDFilter());
    XMLEventWriter output = outFactory.createXMLEventWriter(
            System.out);

    output.add(filtered);
    output.flush();
}
catch (XMLStreamException e) {
    e.printStackTrace();
}
catch (FileNotFoundException e) {
    e.printStackTrace();
}

static class DTDFilter implements EventFilter
{
    @Override
    public boolean accept(XMLEvent event) {
        return event.getEventType() != XMLStreamConstants.DTD;
    }

}