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Hutool是一个小而全的Java工具类库,通过静态方法封装,降低相关API的学习成本,提高工作效率,使Java拥有函数式语言般的优雅,让Java语言也可以“甜甜的”。
package cn.hutool.core.convert.impl;
import cn.hutool.core.convert.AbstractConverter;
import cn.hutool.core.convert.ConvertException;
/**
* 强转转换器
*
* @author Looly
* @param 强制转换到的类型
* @since 4.0.2
*/
public class CastConverter extends AbstractConverter {
private static final long serialVersionUID = 1L;
private Class targetType;
@Override
protected T convertInternal(Object value) {
// 由于在AbstractConverter中已经有类型判断并强制转换,因此当在上一步强制转换失败时直接抛出异常
throw new ConvertException("Can not cast value to [{}]", this.targetType);
}
@Override
public Class getTargetType() {
return this.targetType;
}
}
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