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add method

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This commit is contained in:
Looly 2022-08-27 00:53:47 +08:00
parent aae154461e
commit d815af53de
1 changed files with 30 additions and 0 deletions
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30
hutool-core/src/main/java/cn/hutool/core/convert/impl/StringConverter.java
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@ -3,6 +3,7 @@ package cn.hutool.core.convert.impl;
import cn.hutool.core.convert.AbstractConverter; import cn.hutool.core.convert.AbstractConverter;
import cn.hutool.core.convert.ConvertException; import cn.hutool.core.convert.ConvertException;
import cn.hutool.core.io.IoUtil; import cn.hutool.core.io.IoUtil;
import cn.hutool.core.map.MapUtil;
import cn.hutool.core.util.CharsetUtil; import cn.hutool.core.util.CharsetUtil;
import cn.hutool.core.util.XmlUtil; import cn.hutool.core.util.XmlUtil;
@ -12,7 +13,10 @@ import java.lang.reflect.Type;
import java.sql.Blob; import java.sql.Blob;
import java.sql.Clob; import java.sql.Clob;
import java.sql.SQLException; import java.sql.SQLException;
import java.util.HashMap;
import java.util.Map;
import java.util.TimeZone; import java.util.TimeZone;
import java.util.function.Function;
/** /**
* 字符串转换器，提供各种对象转换为字符串的逻辑封装 * 字符串转换器，提供各种对象转换为字符串的逻辑封装
@ -22,8 +26,34 @@ import java.util.TimeZone;
public class StringConverter extends AbstractConverter { public class StringConverter extends AbstractConverter {
private static final long serialVersionUID = 1L; private static final long serialVersionUID = 1L;
private Map<Class<?>, Function<Object, String>> stringer;
/**
* 加入自定义对象类型的toString规则
*
* @param clazz 类型
* @param stringFunction 序列化函数
* @return this
*/
public StringConverter putStringer(Class<?> clazz, Function<Object, String> stringFunction){
if(null == stringer){
stringer = new HashMap<>();
}
stringer.put(clazz, stringFunction);
return this;
}
@Override @Override
protected String convertInternal(final Class<?> targetClass, final Object value) { protected String convertInternal(final Class<?> targetClass, final Object value) {
// 自定义toString
if(MapUtil.isNotEmpty(stringer)){
final Function<Object, String> stringFunction = stringer.get(targetClass);
if(null != stringFunction){
return stringFunction.apply(value);
}
}
if (value instanceof TimeZone) { if (value instanceof TimeZone) {
return ((TimeZone) value).getID(); return ((TimeZone) value).getID();
} else if (value instanceof org.w3c.dom.Node) { } else if (value instanceof org.w3c.dom.Node) {