JavaBean 과 Map 이 서로 바 뀌 었 어 요.

import java.beans.BeanInfo;
import java.beans.IntrospectionException;
import java.beans.Introspector;
import java.beans.PropertyDescriptor;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;

/**
 * JavaBean and map converter.
 * 
 * 
 */
public final class BeanMapUtils { 
	
	/**
	 * Converts a map to a JavaBean.
	 * 
	 * @param type type to convert
	 * @param map map to convert
	 * @return JavaBean converted
	 * @throws IntrospectionException failed to get class fields
	 * @throws IllegalAccessException failed to instant JavaBean
	 * @throws InstantiationException failed to instant JavaBean
	 * @throws InvocationTargetException failed to call setters
	 */
	public static final Object toBean(Class> type, Map map) 
			throws IntrospectionException, IllegalAccessException,	InstantiationException, InvocationTargetException {
		BeanInfo beanInfo = Introspector.getBeanInfo(type);
		Object obj = type.newInstance();
		PropertyDescriptor[] propertyDescriptors = beanInfo.getPropertyDescriptors();
		for (int i = 0; i< propertyDescriptors.length; i++) {
			PropertyDescriptor descriptor = propertyDescriptors[i];
			String propertyName = descriptor.getName();
			if (map.containsKey(propertyName)) {
				Object value = map.get(propertyName);
				Object[] args = new Object[1];
				args[0] = value;
				descriptor.getWriteMethod().invoke(obj, args);
			}
		}
		return obj;
	}
	
	/**
	 * Converts a JavaBean to a map
	 * 
	 * @param bean JavaBean to convert
	 * @return map converted
	 * @throws IntrospectionException failed to get class fields
	 * @throws IllegalAccessException failed to instant JavaBean
	 * @throws InvocationTargetException failed to call setters
	 */
	public static final Map toMap(Object bean)
			throws IntrospectionException, IllegalAccessException, InvocationTargetException {
		Map returnMap = new HashMap();
		BeanInfo beanInfo = Introspector.getBeanInfo(bean.getClass());
		PropertyDescriptor[] propertyDescriptors = beanInfo.getPropertyDescriptors();
		for (int i = 0; i< propertyDescriptors.length; i++) {
			PropertyDescriptor descriptor = propertyDescriptors[i];
			String propertyName = descriptor.getName();
			if (!propertyName.equals("class")) {
				Method readMethod = descriptor.getReadMethod();
				Object result = readMethod.invoke(bean, new Object[0]);
				if (result != null) {
					returnMap.put(propertyName, result);
				} else {
					returnMap.put(propertyName, "");
				}
			}
		}
		return returnMap;
	}

	public static final Map toStringMap(Object bean) {


		if (bean == null) {return null;
		}

		Map returnMap = new HashMap();
		BeanInfo beanInfo;
		try {

}