mirror of https://github.com/longtai-cn/hippo4j
fix : Replenish toolkit(#725)
pizihao
3 years ago
parent
75cc66ec02
commit
2b99a47bcb
@ -0,0 +1,141 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cn.hippo4j.common.toolkit;
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import cn.hippo4j.common.web.exception.IllegalException;
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import lombok.AccessLevel;
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import lombok.NoArgsConstructor;
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import org.springframework.beans.BeanUtils;
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import java.beans.IntrospectionException;
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import java.beans.PropertyDescriptor;
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import java.lang.reflect.Method;
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import java.util.Map;
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/**
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* Bean util.
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*/
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@NoArgsConstructor(access = AccessLevel.PRIVATE)
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public class BeanUtil {
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/**
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* copyProperties
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*
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* @param source source obj
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* @param target target obj
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* @param <T> target type
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* @param <S> source type
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* @return T
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*/
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public static <T, S> T copyProperties(S source, T target) {
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return copyProperties(source, target, (String) null);
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}
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/**
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* copyProperties
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*
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* @param source source obj
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* @param target target obj
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* @param ignoreProperties ignore name
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* @param <T> target type
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* @param <S> source type
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* @return T
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*/
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public static <T, S> T copyProperties(S source, T target, String... ignoreProperties) {
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BeanUtils.copyProperties(source, target, ignoreProperties);
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return target;
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}
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public static <T> T mapToBean(Map<String, Object> map, Class<T> clazz, boolean toCamelCase) {
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if (clazz == null) {
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return null;
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}
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try {
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T newInstance = clazz.newInstance();
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return mapToBean(map, newInstance, toCamelCase);
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} catch (InstantiationException | IllegalAccessException e) {
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throw new IllegalException("do not create instance for " + clazz.getName(), e);
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}
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}
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/**
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* map to bean
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*
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* @param map map
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* @param bean obj bean
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* @param toCamelCase format to camel case
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* @param <T> bean type
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* @return T
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*/
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public static <T> T mapToBean(Map<String, Object> map, T bean, boolean toCamelCase) {
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if (bean == null) {
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return null;
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}
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if (map.isEmpty()) {
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return bean;
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}
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Class<?> clazz = bean.getClass();
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map.forEach((s, o) -> {
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String name = toCamelCase ? StringUtil.toUnderlineCase(s) : s;
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Method method = setter(clazz, name);
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if (method != null) {
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ReflectUtil.invoke(bean, method, o);
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}
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});
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return bean;
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}
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/**
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* getter for properties
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*
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* @param o obj
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* @param propertiesName name
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* @return Method for get
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*/
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public static Method getter(Class<?> o, String propertiesName) {
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if (o == null) {
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return null;
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}
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try {
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PropertyDescriptor descriptor = new PropertyDescriptor(propertiesName, o);
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return descriptor.getReadMethod();
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} catch (IntrospectionException e) {
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throw new IllegalException("not find getter for" + propertiesName + "in" + o.getName(), e);
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}
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}
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/**
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* setter for properties
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*
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* @param o obj
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* @param propertiesName name
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* @return Method for set
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*/
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public static Method setter(Class<?> o, String propertiesName) {
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if (o == null) {
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return null;
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}
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try {
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PropertyDescriptor descriptor = new PropertyDescriptor(propertiesName, o);
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return descriptor.getWriteMethod();
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} catch (IntrospectionException e) {
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throw new IllegalException("not find setter for" + propertiesName + "in" + o.getName(), e);
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}
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}
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}
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@ -0,0 +1,76 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cn.hippo4j.common.toolkit;
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import lombok.AccessLevel;
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import lombok.NoArgsConstructor;
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import java.text.SimpleDateFormat;
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import java.time.LocalDateTime;
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import java.time.ZoneId;
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import java.time.ZoneOffset;
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import java.util.Date;
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import java.util.SimpleTimeZone;
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import java.util.TimeZone;
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/**
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* date and time util
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*/
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@NoArgsConstructor(access = AccessLevel.PRIVATE)
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public class DateUtil {
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/**
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* get time zone for this JVM
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*/
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private static final TimeZone TIME_ZONE = TimeZone.getDefault();
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public static final String NORM_DATE_PATTERN = "yyyy-MM-dd";
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public static final String NORM_TIME_PATTERN = "HH:mm:ss";
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public static final String NORM_DATETIME_PATTERN = "yyyy-MM-dd HH:mm:ss";
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/**
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* Returns the number of milliseconds since January 1, 1970, 00:00:00 GMT
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* represented by this <tt>Date</tt> object.
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*
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* @return the number of milliseconds since January 1, 1970, 00:00:00 GMT
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* represented by this date.
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*/
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public static long getTime(LocalDateTime date) {
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return getTime(date, TIME_ZONE.toZoneId());
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}
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public static long getTime(LocalDateTime date, ZoneId zoneId) {
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return date.atZone(zoneId).toInstant().toEpochMilli();
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}
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/**
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* modify format to date
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*
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* @param date date
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* @param normTimePattern PATTERN
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* @return String
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*/
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public static String format(Date date, String normTimePattern) {
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SimpleDateFormat zoneFormat = new SimpleDateFormat(normTimePattern);
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return zoneFormat.format(date);
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}
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}
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@ -0,0 +1,47 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cn.hippo4j.common.web.exception;
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/**
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* A generic exception to handle illegal operations
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*/
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public class IllegalException extends RuntimeException {
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private static final long serialVersionUID = 8247610319171014183L;
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public IllegalException() {
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super();
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}
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public IllegalException(String message) {
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super(message);
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}
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public IllegalException(Throwable e) {
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super(e.getMessage(), e);
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}
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public IllegalException(String message, Throwable throwable) {
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super(message, throwable);
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}
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public IllegalException(String message, Throwable throwable, boolean enableSuppression, boolean writableStackTrace) {
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super(message, throwable, enableSuppression, writableStackTrace);
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}
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}
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@ -0,0 +1,73 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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||||
* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cn.hippo4j.common.toolkit;
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import lombok.Getter;
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import lombok.Setter;
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import org.junit.Assert;
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import org.junit.Test;
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import java.lang.reflect.Method;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.Optional;
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public class BeanUtilTest {
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@Test
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public void testMapToBean() {
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Map<String, Object> map = new HashMap<>();
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map.put("name", "Test");
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map.put("status", 12);
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Customer customer = BeanUtil.mapToBean(map, Customer.class, true);
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Assert.assertEquals("Test", customer.getName());
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Assert.assertEquals(Integer.valueOf(12), customer.getStatus());
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}
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@Test
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public void testGetter() {
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Method name = BeanUtil.getter(Customer.class, "name");
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Assert.assertEquals("getName", name.getName());
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}
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@Test
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public void testSetter() {
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Method name = BeanUtil.setter(Customer.class, "name");
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Assert.assertEquals("setName", name.getName());
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}
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@Getter
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@Setter
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static class Customer {
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String name;
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Integer status;
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}
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@Getter
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@Setter
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static class PreCustomer {
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String name;
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Integer status;
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}
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}
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