ZhouXY108/hutool
1
0
Fork 0
mirror of https://gitee.com/chinabugotech/hutool.git synced 2025-05-09 23:51:34 +08:00
Code Issues Packages Projects Releases Wiki Activity

add DynabeanValueProvider

Browse Source
This commit is contained in:
Looly 2020-09-09 00:16:56 +08:00
parent a5624e6f94
commit 5aa10c06ee
4 changed files with 125 additions and 69 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

45
hutool-core/src/main/java/cn/hutool/core/bean/DynaBean.java
View File

@ -6,7 +6,6 @@ import cn.hutool.core.util.ClassUtil;
import cn.hutool.core.util.ReflectUtil;
import java.io.Serializable;
import java.lang.reflect.Method;
import java.util.Map;
/**
@ -24,14 +23,17 @@ public class DynaBean extends CloneSupport<DynaBean> implements Serializable{
/**
* 创建一个{@link DynaBean}
*
* @param bean 普通Bean
* @return {@link DynaBean}
*/
public static DynaBean create(Object bean) {
return new DynaBean(bean);
}
/**
* 创建一个{@link DynaBean}
*
* @param beanClass Bean类
* @param params 构造Bean所需要的参数
* @return {@link DynaBean}
@ -41,8 +43,10 @@ public class DynaBean extends CloneSupport<DynaBean> implements Serializable{
}
//------------------------------------------------------------------------ Constructor start
/**
* 构造
*
* @param beanClass Bean类
* @param params 构造Bean所需要的参数
*/
@ -52,6 +56,7 @@ public class DynaBean extends CloneSupport<DynaBean> implements Serializable{
/**
* 构造
*
* @param bean 原始Bean
*/
public DynaBean(Object bean) {
@ -66,6 +71,7 @@ public class DynaBean extends CloneSupport<DynaBean> implements Serializable{
/**
* 获得字段对应值
*
* @param <T> 属性值类型
* @param fieldName 字段名
* @return 字段值
@ -76,16 +82,23 @@ public class DynaBean extends CloneSupport<DynaBean> implements Serializable{
if (Map.class.isAssignableFrom(beanClass)) {
return (T) ((Map<?, ?>) bean).get(fieldName);
} else {
try {
final Method method = BeanUtil.getBeanDesc(beanClass).getGetter(fieldName);
if(null == method){
throw new BeanException("No get method for {}", fieldName);
final BeanDesc.PropDesc prop = BeanUtil.getBeanDesc(beanClass).getProp(fieldName);
if(null == prop){
throw new BeanException("No public field or get method for {}", fieldName);
}
return (T) method.invoke(this.bean);
} catch (Exception e) {
throw new BeanException(e);
return (T) prop.getValue(bean);
}
}
/**
* 检查是否有指定名称的bean属性
*
* @param fieldName 字段名
* @return 是否有bean属性
* @since 5.4.2
*/
public boolean containsProp(String fieldName){
return null != BeanUtil.getBeanDesc(beanClass).getProp(fieldName);
}
/**
@ -106,6 +119,7 @@ public class DynaBean extends CloneSupport<DynaBean> implements Serializable{
/**
* 设置字段值
*
* @param fieldName 字段名
* @param value 字段值
* @throws BeanException 反射获取属性值或字段值导致的异常
@ -115,20 +129,17 @@ public class DynaBean extends CloneSupport<DynaBean> implements Serializable{
if (Map.class.isAssignableFrom(beanClass)) {
((Map) bean).put(fieldName, value);
} else {
try {
final Method setter = BeanUtil.getBeanDesc(beanClass).getSetter(fieldName);
if(null == setter){
throw new BeanException("No set method for {}", fieldName);
}
setter.invoke(this.bean, value);
} catch (Exception e) {
throw new BeanException(e);
final BeanDesc.PropDesc prop = BeanUtil.getBeanDesc(beanClass).getProp(fieldName);
if(null == prop){
throw new BeanException("No public field or set method for {}", fieldName);
}
prop.setValue(bean, value);
}
}
/**
* 执行原始Bean中的方法
*
* @param methodName 方法名
* @param params 参数
* @return 执行结果，可能为null
@ -139,6 +150,7 @@ public class DynaBean extends CloneSupport<DynaBean> implements Serializable{
/**
* 获得原始Bean
*
* @param <T> Bean类型
* @return bean
*/
@ -149,6 +161,7 @@ public class DynaBean extends CloneSupport<DynaBean> implements Serializable{
/**
* 获得Bean的类型
*
* @param <T> Bean类型
* @return Bean类型
*/

5
hutool-core/src/main/java/cn/hutool/core/bean/copier/BeanCopier.java
View File

@ -3,7 +3,9 @@ package cn.hutool.core.bean.copier;
import cn.hutool.core.bean.BeanDesc.PropDesc;
import cn.hutool.core.bean.BeanException;
import cn.hutool.core.bean.BeanUtil;
import cn.hutool.core.bean.DynaBean;
import cn.hutool.core.bean.copier.provider.BeanValueProvider;
import cn.hutool.core.bean.copier.provider.DynaBeanValueProvider;
import cn.hutool.core.bean.copier.provider.MapValueProvider;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.lang.copier.Copier;
@ -97,6 +99,9 @@ public class BeanCopier<T> implements Copier<T>, Serializable {
if (this.source instanceof ValueProvider) {
// 目标只支持Bean
valueProviderToBean((ValueProvider<String>) this.source, this.dest);
} else if (this.source instanceof DynaBean) {
// 目标只支持Bean
valueProviderToBean(new DynaBeanValueProvider((DynaBean) this.source, copyOptions.ignoreError), this.dest);
} else if (this.source instanceof Map) {
if (this.dest instanceof Map) {
mapToMap((Map<?, ?>) this.source, (Map<?, ?>) this.dest);

14
hutool-core/src/main/java/cn/hutool/core/bean/copier/provider/BeanValueProvider.java
View File

@ -12,7 +12,6 @@ import java.util.Map;
* Bean的值提供者
*
* @author looly
*
*/
public class BeanValueProvider implements ValueProvider<String> {
@ -35,11 +34,7 @@ public class BeanValueProvider implements ValueProvider<String> {
@Override
public Object value(String key, Type valueType) {
PropDesc sourcePd = sourcePdMap.get(key);
if(null == sourcePd && (Boolean.class == valueType || boolean.class == valueType)) {
//boolean类型字段字段名支持两种方式
sourcePd = sourcePdMap.get(StrUtil.upperFirstAndAddPre(key, "is"));
}
final PropDesc sourcePd = getPropDesc(key, valueType);
Object result = null;
if (null != sourcePd) {
@ -50,7 +45,7 @@ public class BeanValueProvider implements ValueProvider<String> {
@Override
public boolean containsKey(String key) {
PropDesc sourcePd = getPropDesc(key);
final PropDesc sourcePd = getPropDesc(key, null);
// 字段描述不存在或忽略读的情况下，表示不存在
return null != sourcePd && false == sourcePd.isIgnoreGet();
@ -60,11 +55,12 @@ public class BeanValueProvider implements ValueProvider<String> {
* 获得属性描述
*
* @param key 字段名
* @param valueType 值类型，用于判断是否为Boolean，可以为null
* @return 属性描述
*/
private PropDesc getPropDesc(String key){
private PropDesc getPropDesc(String key, Type valueType) {
PropDesc sourcePd = sourcePdMap.get(key);
if(null == sourcePd) {
if (null == sourcePd && (null == valueType || Boolean.class == valueType || boolean.class == valueType)) {
//boolean类型字段字段名支持两种方式
sourcePd = sourcePdMap.get(StrUtil.upperFirstAndAddPre(key, "is"));
}

42
hutool-core/src/main/java/cn/hutool/core/bean/copier/provider/DynaBeanValueProvider.java Normal file
View File

@ -0,0 +1,42 @@
package cn.hutool.core.bean.copier.provider;
import cn.hutool.core.bean.DynaBean;
import cn.hutool.core.bean.copier.ValueProvider;
import cn.hutool.core.convert.Convert;
import java.lang.reflect.Type;
/**
* DynaBean值提供者
*
* @author looly
* @since 5.4.2
*/
public class DynaBeanValueProvider implements ValueProvider<String> {
private final DynaBean dynaBean;
private final boolean ignoreError;
/**
* 构造
*
* @param dynaBean DynaBean
* @param ignoreError 是否忽略错误
*/
public DynaBeanValueProvider(DynaBean dynaBean, boolean ignoreError) {
this.dynaBean = dynaBean;
this.ignoreError = ignoreError;
}
@Override
public Object value(String key, Type valueType) {
final Object value = dynaBean.get(key);
return Convert.convertWithCheck(valueType, value, null, this.ignoreError);
}
@Override
public boolean containsKey(String key) {
return dynaBean.containsProp(key);
}
}