XmlBeanMap convert

import com.thoughtworks.xstream.XStream;
import java.io.StringReader;
import java.lang.reflect.Field;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;

public class XMLBeanUtil {

  private static final XStream xStream = XStreamFactory.getXStream();

  /**
   * xml转对象
   * @param xml        xml字符串
   * @param bean       bean
   * @param ignoreCase 是否不区分大小写匹配
   * @return bean
   */
  public static <T> T xmlToBean(String xml, T bean, boolean ignoreCase) {
    Map<String, String> nodeMap = XMLBeanUtil.xmlToMap(xml);
    return mapToBean(nodeMap, bean, ignoreCase);
  }

  /**
   * xml转对象
   * @param xml xml字符串
   * @return Map
   */
  public static Map<String, String> xmlToMap(String xml) {
    try {
      SAXReader sax = new SAXReader();//创建一个SAXReader对象
      StringReader read = new StringReader(xml);
      Document document = sax.read(read);//获取document对象,如果文档无节点，则会抛出Exception提前结束
      Element root = document.getRootElement();//获取根节点
      Map<String, String> nodeMap = new HashMap<>();
      getNode(root, nodeMap);
      return nodeMap;
    } catch (DocumentException e) {
      return new HashMap<>();
    }
  }

  public static <T> T mapToBean(Map<String, String> map, T bean, boolean ignoreCase) {
    Field[] fields = bean.getClass().getDeclaredFields();
    if (ignoreCase) {
      for (Field f : fields) {
        for (String k : map.keySet()) {
          if (k.equalsIgnoreCase(f.getName())) {
            f.setAccessible(true);
            try {
              f.set(bean, map.get(k));
            } catch (IllegalAccessException ignore) {
            }
          }
        }
      }
    } else {
      for (Field f : fields) {
        for (String k : map.keySet()) {
          if (k.equals(f.getName())) {
            f.setAccessible(true);
            try {
              f.set(bean, map.get(k));
            } catch (IllegalAccessException ignore) {
            }
          }
        }
      }
    }

    return bean;
  }

  private static void getNode(Element root, Map<String, String> nodeMap) {
    List<Element> list = root.elements();
    for (Element e : list) {
      if ("".equals(e.getTextTrim())) {
        getNode(e, nodeMap);
      } else {
        nodeMap.put(e.getName(), e.getTextTrim());
      }
    }
  }
  /**
   * 对象转xml
   * @param obj 对象
   * @return String
   */
  public static String toXml(Object obj) {
    xStream.processAnnotations(obj.getClass());
    return xStream.toXML(obj);
  }
}