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优化工具类V.java：
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1、增加数组类型的判断；
2、优化字符串判断；
3、增加集合是否包含指定元素的方法；
3、修复equals方法的bug；
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@ZZemptypoint
ZZemptypoint committed Dec 17, 2021
1 parent b475fad commit 1c451e8
Showing 1 changed file with 136 additions and 27 deletions.
163 changes: 136 additions & 27 deletions diboot-core/src/main/java/com/diboot/core/util/V.java
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@

import com.diboot.core.exception.BusinessException;
import com.diboot.core.vo.Status;
import org.apache.commons.lang3.ArrayUtils;
import org.hibernate.validator.HibernateValidator;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
Expand All @@ -26,6 +27,7 @@
import javax.validation.ConstraintViolation;
import javax.validation.Validation;
import javax.validation.Validator;
import java.lang.reflect.Array;
import java.util.*;
import java.util.regex.Pattern;

Expand All @@ -36,6 +38,7 @@
* @version v2.0
* @date 2019/01/01
*/
@SuppressWarnings("unused")
public class V {
private static final Logger log = LoggerFactory.getLogger(V.class);
/**
Expand All @@ -49,32 +52,25 @@ public class V {
public static boolean isEmpty(Object obj) {
if (obj == null) {
return true;
} else if (obj instanceof String) {
return isEmpty((String) obj);
} else if (obj instanceof CharSequence) {
return isEmpty((CharSequence) obj);
} else if (obj instanceof Collection) {
return isEmpty((Collection<?>) obj);
} else if (obj instanceof Map) {
return isEmpty((Map<?, ?>) obj);
} else if (obj instanceof String[]) {
return isEmpty((String[]) obj);
} else if (obj.getClass().isArray()) {
return Array.getLength(obj) == 0;
}
return false;
}

/**
* 字符串是否为空
*/
public static boolean isEmpty(String value) {
public static boolean isEmpty(CharSequence value) {
return S.isBlank(value);
}

/**
* 字符串数组是否不为空
*/
public static boolean isEmpty(String[] values) {
return values == null || values.length == 0;
}

/**
* 集合为空
*/
Expand All @@ -89,38 +85,131 @@ public static <T, F> boolean isEmpty(Map<T, F> obj) {
return obj == null || obj.isEmpty();
}

public static boolean isEmpty(boolean[] array) {
return array == null || array.length == 0;
}

public static boolean isEmpty(byte[] array) {
return array == null || array.length == 0;
}

public static boolean isEmpty(char[] array) {
return array == null || array.length == 0;
}

public static boolean isEmpty(double[] array) {
return array == null || array.length == 0;
}

public static boolean isEmpty(float[] array) {
return array == null || array.length == 0;
}

public static boolean isEmpty(int[] array) {
return array == null || array.length == 0;
}

public static boolean isEmpty(long[] array) {
return array == null || array.length == 0;
}

public static boolean isEmpty(short[] array) {
return array == null || array.length == 0;
}

public static boolean isEmpty(Object[] array) {
return array == null || array.length == 0;
}

public static boolean notEmpty(boolean[] array) {
return array != null && array.length != 0;
}

public static boolean notEmpty(byte[] array) {
return array != null && array.length != 0;
}

public static boolean notEmpty(char[] array) {
return array != null && array.length != 0;
}

public static boolean notEmpty(double[] array) {
return array != null && array.length != 0;
}

public static boolean notEmpty(float[] array) {
return array != null && array.length != 0;
}

public static boolean notEmpty(int[] array) {
return array != null && array.length != 0;
}

public static boolean notEmpty(long[] array) {
return array != null && array.length != 0;
}

public static boolean notEmpty(short[] array) {
return array != null && array.length != 0;
}

public static boolean notEmpty(Object[] array) {
return array != null && array.length != 0;
}

/**
* 任意元素为空则返回true
*
* @param objs objs
* @return true/false
*/
public static boolean isAnyEmpty(Object... objs) {
if (ArrayUtils.isEmpty(objs)) {
return true;
}
for (Object obj : objs) {
if (isEmpty(obj)) {
return true;
}
}
return false;
}

/**
* 全都不为空则返回true
*
* @param objs objs
* @return true/false
*/
public static boolean isNoneEmpty(Object... objs) {
return !isAnyEmpty(objs);
}

/**
* 对象是否为空
*/
public static boolean notEmpty(Object obj) {
if (obj == null) {
return false;
} else if (obj instanceof String) {
return notEmpty((String) obj);
} else if (obj instanceof CharSequence) {
return notEmpty((CharSequence) obj);
} else if (obj instanceof Collection) {
return notEmpty((Collection<?>) obj);
} else if (obj instanceof Map) {
return notEmpty((Map<?, ?>) obj);
} else if (obj instanceof String[]) {
return notEmpty((String[]) obj);
} else if (obj.getClass().isArray()) {
return Array.getLength(obj) != 0;
}
return true;
}

/**
* 字符串不为空，或者不是所有字符都为whitespace字符
*/
public static boolean notEmpty(String value) {
public static boolean notEmpty(CharSequence value) {
return S.isNotBlank(value);
}

/**
* 字符串数组是否不为空
*/
public static boolean notEmpty(String[] values) {
return values != null && values.length > 0;
}

/**
* 集合不为空
*/
Expand All @@ -138,19 +227,39 @@ public static <T, F> boolean notEmpty(Map<T, F> obj) {
/**
* 对象不为空且不为0
*/
@SuppressWarnings("unused")
public static boolean notEmptyOrZero(Long longObj) {
return longObj != null && longObj != 0;
}

/**
* 对象不为空且不为0
*/
@SuppressWarnings("unused")
public static boolean notEmptyOrZero(Integer intObj) {
return intObj != null && intObj != 0;
}

/**
* 集合中是否包含指定元素
*
* @param collection 集合
* @param target 查找元素
* @return 集合为空或者不包含元素，则返回false
*/
public static <T> boolean contains(Collection<T> collection, T target) {
return collection != null && collection.contains(target);
}

/**
* 集合中是否不包含指定元素
*
* @param collection 集合
* @param target 查找元素
* @return 集合为空或者包含元素，则返回false
*/
public static <T> boolean notContains(Collection<T> collection, T target) {
return collection != null && !collection.contains(target);
}

/**
* 判断是否为数字（允许小数点）
*
Expand Down Expand Up @@ -328,7 +437,7 @@ public static boolean notEquals(Object source, Object target) {
* 判定两个对象是否类型相同值相等
*/
public static <T> boolean equals(T source, T target) {
if (source == null && target == null) {
if (source == target) {
return true;
} else if (source == null || target == null) {
return false;
Expand Down

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