java HashMap 转Object对象 工具类

import org.slf4j.Logger;import org.slf4j.LoggerFactory;import java.lang.reflect.Method;import java.util.Map;/** * Created by cike-zihao on 2015/12/9. */public final class HashMapToObject {    private static Logger logger = LoggerFactory.getLogger(HashMapToObject.class);    /**     * HashMap->Object     *     * @param map     * @param obj     */    public static void setObject(Map<String, Object> map, Object obj) {        if (map != null) {            for (Map.Entry<String, Object> entry : map.entrySet()) {                try {                    setFieldValue(entry.getKey(), obj, entry.getValue());                } catch (Exception e) {                    logger.warn("hash to object fail", e);                }            }        }    }    /**     * 反映获取指定字段值     *     * @param fieldName     * @param obj     * @return     */    public static String getFieldValue(String fieldName, Object obj) throws Exception {        try {            String methodName = getMethodName("get", fieldName);            Method method = getDeclaredMethod(obj, methodName, new Class[0]);            if (method != null) {                method.setAccessible(true);                return defaultObject(method.invoke(obj, new Object[0]));            }        } catch (Exception ex) {            logger.error("获取对象值失败:", ex);            throw new Exception("获取对象值失败!");        }        return "";    }    /**     * 反映设置指定字段值     *     * @param fieldName     * @param obj     * @param fieldValue     */    public static void setFieldValue(String fieldName, Object obj, Object fieldValue) throws Exception {        try {            String methodName = getMethodName("set", fieldName);            Method method = getDeclaredMethod(obj, methodName, fieldValue.getClass());            if (method != null) {                method.setAccessible(true);                method.invoke(obj, new Object[]{fieldValue});            }        } catch (Exception ex) {            logger.error("设置对象值失败:", ex);            throw new Exception("设置对象值失败!");        }    }    /**     * 获取方法名称     *     * @param prefix     * @param fieldName     * @return     */    private static String getMethodName(String prefix, String fieldName) {        return prefix + fieldName.substring(0, 1).toUpperCase() + fieldName.substring(1);    }    /**     * 查找方法     *     * @param object     * @param methodName     * @param parameterTypes     * @return     */    private static Method getDeclaredMethod(Object object, String methodName, Class<?>... parameterTypes) {        Method method = null;        for (Class<?> clazz = object.getClass(); clazz != Object.class; clazz = clazz.getSuperclass()) {            try {                method = clazz.getDeclaredMethod(methodName, parameterTypes);                return method;            } catch (Exception e) {            }        }        return null;    }    /**     * 设置默认值     *     * @param obj     * @return     */    private static String defaultObject(Object obj) {        if (obj == null) {            return "";        } else {            return String.valueOf(obj);        }    }}

测试举例:重点内容

             //反序列化数据            HashMap<String, Object> resultMap = resultMap(responseMessage);            CommonUniqueTransferResponse response = new CommonUniqueTransferResponse();            // hash 到 object 转化            HashMapToObject.setObject(resultMap, response);