Java优学网SAX解析入门解析：快速掌握XML配置读取技巧，轻松提升编程效率

public class ConfigHandler extends DefaultHandler {

private Stack<String> elementStack = new Stack<>();
private Map<String, String> configMap = new HashMap<>();

@Override
public void startElement(String uri, String localName, 
    String qName, Attributes attributes) {
    elementStack.push(qName);
}

@Override
public void characters(char[] ch, int start, int length) {
    String content = new String(ch, start, length).trim();
    if (!content.isEmpty()) {
        String currentPath = String.join(".", elementStack);
        configMap.put(currentPath, content);
    }
}

@Override
public void endElement(String uri, String localName, String qName) {
    elementStack.pop();
}

}