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