| @@ -1,21 +1,20 @@ | |||
| package me.chanjar.weixin.common.util; | |||
| import java.lang.reflect.Field; | |||
| import java.util.ArrayList; | |||
| import java.util.Arrays; | |||
| import java.util.List; | |||
| import java.util.Map; | |||
| import org.slf4j.Logger; | |||
| import org.slf4j.LoggerFactory; | |||
| import com.google.common.collect.Lists; | |||
| import com.google.common.collect.Maps; | |||
| import com.thoughtworks.xstream.annotations.XStreamAlias; | |||
| import me.chanjar.weixin.common.annotation.Required; | |||
| import me.chanjar.weixin.common.bean.result.WxError; | |||
| import me.chanjar.weixin.common.exception.WxErrorException; | |||
| import org.apache.commons.lang3.StringUtils; | |||
| import org.slf4j.Logger; | |||
| import org.slf4j.LoggerFactory; | |||
| import java.lang.reflect.Field; | |||
| import java.util.ArrayList; | |||
| import java.util.Arrays; | |||
| import java.util.List; | |||
| import java.util.Map; | |||
| /** | |||
| * <pre> | |||
| @@ -25,25 +24,28 @@ import me.chanjar.weixin.common.exception.WxErrorException; | |||
| * </pre> | |||
| */ | |||
| public class BeanUtils { | |||
| private static Logger log = LoggerFactory.getLogger(BeanUtils.class); | |||
| private static Logger log = LoggerFactory.getLogger(BeanUtils.class); | |||
| /** | |||
| * 检查bean里标记为@Required的field是否为空,为空则抛异常 | |||
| * | |||
| * @param bean 要检查的bean对象 | |||
| * @throws WxErrorException | |||
| */ | |||
| public static void checkRequiredFields(Object bean) throws WxErrorException { | |||
| List<String> nullFields = Lists.newArrayList(); | |||
| List<String> requiredFields = Lists.newArrayList(); | |||
| List<Field> fields = new ArrayList<>( Arrays.asList(bean.getClass().getDeclaredFields())); | |||
| List<Field> fields = new ArrayList<>(Arrays.asList(bean.getClass().getDeclaredFields())); | |||
| fields.addAll(Arrays.asList(bean.getClass().getSuperclass().getDeclaredFields())); | |||
| for (Field field : fields) { | |||
| try { | |||
| boolean isAccessible = field.isAccessible(); | |||
| field.setAccessible(true); | |||
| if (field.isAnnotationPresent(Required.class) | |||
| && field.get(bean) == null) { | |||
| nullFields.add(field.getName()); | |||
| if (field.isAnnotationPresent(Required.class)) { | |||
| if (field.get(bean) == null || (field.get(bean) instanceof String && StringUtils.isBlank(field.get(bean).toString()))) { | |||
| //两种情况,一种是值为null,另外一种情况是类型为字符串,但是字符串内容为空的,都认为是没有提供值 | |||
| requiredFields.add(field.getName()); | |||
| } | |||
| } | |||
| field.setAccessible(isAccessible); | |||
| } catch (SecurityException | IllegalArgumentException | |||
| @@ -52,43 +54,43 @@ public class BeanUtils { | |||
| } | |||
| } | |||
| if (!nullFields.isEmpty()) { | |||
| String msg = "必填字段 " + nullFields + " 必须提供值"; | |||
| if (!requiredFields.isEmpty()) { | |||
| String msg = "必填字段 " + requiredFields + " 必须提供值"; | |||
| log.debug(msg); | |||
| throw new WxErrorException(WxError.newBuilder().setErrorMsg(msg).build()); | |||
| } | |||
| } | |||
| /** | |||
| * 将bean按照@XStreamAlias标识的字符串内容生成以之为key的map对象 | |||
| * | |||
| * @param bean 包含@XStreamAlias的xml bean对象 | |||
| * @return map对象 | |||
| */ | |||
| public static Map<String, String> xmlBean2Map(Object bean) { | |||
| Map<String, String> result = Maps.newHashMap(); | |||
| List<Field> fields = new ArrayList<>(Arrays.asList(bean.getClass().getDeclaredFields())); | |||
| fields.addAll(Arrays.asList(bean.getClass().getSuperclass().getDeclaredFields())); | |||
| for (Field field : fields) { | |||
| try { | |||
| boolean isAccessible = field.isAccessible(); | |||
| field.setAccessible(true); | |||
| if (field.get(bean) == null) { | |||
| field.setAccessible(isAccessible); | |||
| continue; | |||
| } | |||
| /** | |||
| * 将bean按照@XStreamAlias标识的字符串内容生成以之为key的map对象 | |||
| * | |||
| * @param bean 包含@XStreamAlias的xml bean对象 | |||
| * @return map对象 | |||
| */ | |||
| public static Map<String, String> xmlBean2Map(Object bean) { | |||
| Map<String, String> result = Maps.newHashMap(); | |||
| List<Field> fields = new ArrayList<>(Arrays.asList(bean.getClass().getDeclaredFields())); | |||
| fields.addAll(Arrays.asList(bean.getClass().getSuperclass().getDeclaredFields())); | |||
| for (Field field : fields) { | |||
| try { | |||
| boolean isAccessible = field.isAccessible(); | |||
| field.setAccessible(true); | |||
| if (field.get(bean) == null) { | |||
| field.setAccessible(isAccessible); | |||
| continue; | |||
| } | |||
| if (field.isAnnotationPresent(XStreamAlias.class)) { | |||
| result.put(field.getAnnotation(XStreamAlias.class).value(), field.get(bean).toString()); | |||
| } | |||
| if (field.isAnnotationPresent(XStreamAlias.class)) { | |||
| result.put(field.getAnnotation(XStreamAlias.class).value(), field.get(bean).toString()); | |||
| } | |||
| field.setAccessible(isAccessible); | |||
| } catch (SecurityException | IllegalArgumentException | IllegalAccessException e) { | |||
| e.printStackTrace(); | |||
| } | |||
| field.setAccessible(isAccessible); | |||
| } catch (SecurityException | IllegalArgumentException | IllegalAccessException e) { | |||
| e.printStackTrace(); | |||
| } | |||
| } | |||
| } | |||
| return result; | |||
| } | |||
| return result; | |||
| } | |||
| } | |||