如何在使用ConfigurationBuilder读入XML文件时忽略命名空间

import org.apache.commons.configuration2.XMLConfiguration;
import org.apache.commons.configuration2.builder.ConfigurationBuilder;
import org.apache.commons.configuration2.builder.fluent.Parameters;
import org.apache.commons.configuration2.ex.ConfigurationException;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;

import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import java.io.IOException;

public class IgnoreNamespaceExample {

    public static void main(String[] args) {
        try {
            // 创建ConfigurationBuilder对象
            ConfigurationBuilder<XMLConfiguration> builder = new ConfigurationBuilder<>(XMLConfiguration.class);
            Parameters params = new Parameters();
            builder.configure(params.xml().setFileName("config.xml"));

            // 创建自定义的XMLReader对象
            XMLReader reader = new NonNamespaceAwareXMLReader();

            // 设置XMLReader
            builder.getConfiguration().setXMLReader(reader);

            // 读取XML文件
            XMLConfiguration config = builder.getConfiguration();
            String value = config.getString("property.key");

            System.out.println("Value: " + value);
        } catch (ConfigurationException e) {
            e.printStackTrace();
        }
    }

    // 自定义的非命名空间感知的XMLReader
    private static class NonNamespaceAwareXMLReader extends DefaultHandler {

        private StringBuilder currentValue;

        @Override
        public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
            // 忽略命名空间，只处理元素名称不包含命名空间的情况
            if (!qName.contains(":")) {
                currentValue = new StringBuilder();
            }
        }

        @Override
        public void endElement(String uri, String localName, String qName) throws SAXException {
            // 忽略命名空间，只处理元素名称不包含命名空间的情况
            if (!qName.contains(":")) {
                // 处理元素值
                String value = currentValue.toString();
                // TODO: 进行相应的处理
            }
        }

        @Override
        public void characters(char[] ch, int start, int length) throws SAXException {
            // 处理元素值
            if (currentValue != null) {
                currentValue.append(ch, start, length);
            }
        }
    }
}