[英]Formatting XML file using StAX
我正在使用StAX XML流编写器来编写XML文件。 它将所有数据写入一行。 我希望所有标签都缩进而不是单行。
stax-utils提供了类IndentingXMLStreamWriter
来完成这项工作:
XMLStreamWriter writer =
XMLOutputFactory.newInstance().createXMLStreamWriter(...);
writer = new IndentingXMLStreamWriter(writer);
...
这里回答: Java中的StAX XML格式
编辑:使用stax-utils( https://stax-utils.dev.java.net/ )的快速示例(无需资源清理):
XMLOutputFactory xmlOutputFactory = XMLOutputFactory.newInstance();
FileOutputStream file = new FileOutputStream("d:/file.xml");
XMLEventWriter writer = xmlOutputFactory.createXMLEventWriter(file);
writer = new IndentingXMLEventWriter(writer);
XMLEventFactory eventFactory = XMLEventFactory.newInstance();
writer.add(eventFactory.createStartDocument());
writer.add(eventFactory.createStartElement("", "", "a"));
writer.add(eventFactory.createStartElement("", "", "b"));
writer.add(eventFactory.createEndElement("", "", "b"));
writer.add(eventFactory.createEndElement("", "", "a"));
writer.add(eventFactory.createEndDocument());
这给你:
<?xml version="1.0" encoding="UTF-8"?>
<a>
<b></b>
</a>
例如,通过StAX打印OMElement(Axiom库):
OMElement mapArg = fac.createOMElement(name, elementNs);
mapArg.addAttribute("type", soapXml.getPrefix() + ":Map", xsi);
PropertyDescriptor[] properties = PropertyUtils.getPropertyDescriptors(value);
for (PropertyDescriptor property : properties) {
if (property.getName().equals("class"))
continue;
try {
mapArg.addChild(keyValue(property.getName(),
PropertyUtils.getProperty(value, property.getName())));
} catch (Exception e) {
}
}
final StringWriter stringWriter = new StringWriter();
try {
IndentingXMLStreamWriter xmlWriter = new IndentingXMLStreamWriter(StaxUtilsXMLOutputFactory.newInstance().createXMLStreamWriter(stringWriter));
mapArg.serialize(xmlWriter);
System.out.println(stringWriter.toString());
} catch (XMLStreamException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
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