为了对 XML 文件进行一些更改,我使用以下代码:
public boolean run() throws Exception {
XMLReader xr = new XMLFilterImpl(XMLReaderFactory.createXMLReader()) {
public void startElement(String uri, String localName, String qName, Attributes atts) throws SAXException {
if(AddRuleReq&& qName.equalsIgnoreCase("cp:ruleset"))
{
attributeList.clear();
attributeList.addAttribute(uri, localName, "id", "int", Integer.toString(getNewRuleId()));
super.startElement(uri, localName, "cp:rule", attributeList);
attributeList.clear();
super.startElement(uri, localName, "cp:conditions", attributeList);
super.startElement(uri, localName, "SOMECONDITION", attributeList);
super.endElement(uri, localName, "SOMECONDITION");
super.endElement(uri, localName, "cp:conditions");
super.startElement(uri, localName, "cp:actions", attributeList);
super.startElement(uri, localName, "allow", attributeList);
super.characters(BooleanVariable.toCharArray(), 0, BooleanVariable.length());
super.endElement(uri, localName, "allow");
super.endElement(uri, localName, "cp:actions");
}
}
};
Source source = new SAXSource(xr, new InputSource(new StringReader(xmlString)));
stringWriter = new StringWriter();
StreamResult result = new StreamResult(stringWriter);
Transformer transformer = TransformerFactory.newInstance().newTransformer();
transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
transformer.setOutputProperty(OutputKeys.INDENT, "yes");
transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "3");
transformer.transform(source, result);
return stringWriter.toString();
}
我已经粘贴了一小部分并且它有效。但差别不大。
我期望看到的是:
<cp:rule id="1">
<cp:conditions>
<SOMECONDITION/>
</cp:conditions>
<cp:actions>
<allow>
true
</allow>
</cp:actions>
</cp:rule>
我看到的是:
<cp:rule id="1">
<cp:conditions>
<SOMECONDITION xmlns="urn:ietf:params:xml:ns:common-policy"/>
</cp:conditions>
<cp:actions>
<allow xmlns="urn:ietf:params:xml:ns:common-policy">
true
</allow>
</cp:actions>
</cp:rule>
根据我的架构,处理后的 XML 也是无效的,下次无法使用。
我的问题是,如何防止将这个命名空间(如本例中的 < SOMECONDITION xmlns="urn:ietf:params:xml:ns:common-policy"/>)添加到子元素中?
提前致谢..