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修复方法

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Binary Wang
2017-01-12 11:10:42 +08:00
parent c8441650d0
commit a2398ddeb1
1 changed files with 49 additions and 47 deletions
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96
weixin-java-common/src/main/java/me/chanjar/weixin/common/util/BeanUtils.java
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@ -1,22 +1,21 @@
package me.chanjar.weixin.common.util; package me.chanjar.weixin.common.util;
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.lang.reflect.Field;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.Arrays; import java.util.Arrays;
import java.util.List; import java.util.List;
import java.util.Map; 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;
/** /**
* <pre> * <pre>
* bean操作的一些工具类 * bean操作的一些工具类
@ -25,25 +24,28 @@ import me.chanjar.weixin.common.exception.WxErrorException;
* </pre> * </pre>
*/ */
public class BeanUtils { 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 * 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 * @param bean 要检查的bean对象
* @throws WxErrorException * @throws WxErrorException
*/ */
public static void checkRequiredFields(Object bean) 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())); fields.addAll(Arrays.asList(bean.getClass().getSuperclass().getDeclaredFields()));
for (Field field : fields) { for (Field field : fields) {
try { try {
boolean isAccessible = field.isAccessible(); boolean isAccessible = field.isAccessible();
field.setAccessible(true); field.setAccessible(true);
if (field.isAnnotationPresent(Required.class) if (field.isAnnotationPresent(Required.class)) {
&& field.get(bean) == null) { if (field.get(bean) == null || (field.get(bean) instanceof String && StringUtils.isBlank(field.get(bean).toString()))) {
nullFields.add(field.getName()); //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); field.setAccessible(isAccessible);
} catch (SecurityException | IllegalArgumentException } catch (SecurityException | IllegalArgumentException
@ -52,43 +54,43 @@ public class BeanUtils {
} }
} }
if (!nullFields.isEmpty()) { if (!requiredFields.isEmpty()) {
String msg = "必填字段 " + nullFields + " 必须提供值"; String msg = "必填字段 " + requiredFields + " 必须提供值";
log.debug(msg); log.debug(msg);
throw new WxErrorException(WxError.newBuilder().setErrorMsg(msg).build()); 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 * 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 * @param bean 包含@XStreamAlias的xml bean对象
* @return map对象 * @return map对象
*/ */
public static Map<String, String> xmlBean2Map(Object bean) { public static Map<String, String> xmlBean2Map(Object bean) {
Map<String, String> result = Maps.newHashMap(); Map<String, String> result = Maps.newHashMap();
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())); fields.addAll(Arrays.asList(bean.getClass().getSuperclass().getDeclaredFields()));
for (Field field : fields) { for (Field field : fields) {
try { try {
boolean isAccessible = field.isAccessible(); boolean isAccessible = field.isAccessible();
field.setAccessible(true); field.setAccessible(true);
if (field.get(bean) == null) { if (field.get(bean) == null) {
field.setAccessible(isAccessible); field.setAccessible(isAccessible);
continue; continue;
} }
if (field.isAnnotationPresent(XStreamAlias.class)) { if (field.isAnnotationPresent(XStreamAlias.class)) {
result.put(field.getAnnotation(XStreamAlias.class).value(), field.get(bean).toString()); result.put(field.getAnnotation(XStreamAlias.class).value(), field.get(bean).toString());
} }
field.setAccessible(isAccessible); field.setAccessible(isAccessible);
} catch (SecurityException | IllegalArgumentException | IllegalAccessException e) { } catch (SecurityException | IllegalArgumentException | IllegalAccessException e) {
e.printStackTrace(); e.printStackTrace();
} }
} }
return result; return result;
} }
} }