forked from plusone/plusone-commons
将校验器抽离到一个单独的包。
parent
288e1e83f1
commit
2e1ee521f7
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@ -1,86 +0,0 @@
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package xyz.zhouxy.plusone.validator;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.function.Function;
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import java.util.function.Predicate;
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import java.util.function.Supplier;
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/**
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* 校验器
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*
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* <p>
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* 可以使用以下方式初始化一个校验器：
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* </p>
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*
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* <pre>
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* BaseValidator<Integer> validator = new BaseValidator<>() {
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* {
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* withRule(value -> Objects.nonNull(value), "value 不能为空");
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* withRule(value -> (value >= 0 && value <= 500), "value 应在 [0, 500] 内");
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* }
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* };
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* </pre>
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*
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* <p>
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* 也可以通过继承本类，定义一个校验器（可使用单例模式）。
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* </p>
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*
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* <p>
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* 然后通过校验器的 {@link #validate} 方法，或
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* {@link ValidateUtil#validate(Object, Validator)} 对指定对象进行校验。
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* </p>
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*
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* <pre>
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* ValidateUtil.validate(255, validator);
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* </pre>
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*
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* <pre>
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* validator.validate(666);
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* </pre>
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* </p>
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*
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* @author <a href="https://gitee.com/zhouxy108">ZhouXY</a>
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* @see IValidateRequired
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* @see ValidateUtil
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* @see Validator
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*/
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public abstract class BaseValidator<T> {
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private final List<RuleInfo<T, ?>> rules = new ArrayList<>();
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protected BaseValidator() {
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}
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protected final void withRule(Predicate<T> rule, String errorMessage) {
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withRule(rule, () -> new InvalidInputException(errorMessage));
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}
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protected final <E extends RuntimeException> void withRule(Predicate<T> rule, Supplier<E> exceptionCreator) {
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withRule(rule, value -> exceptionCreator.get());
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}
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protected final <E extends RuntimeException> void withRule(Predicate<T> rule, Function<T, E> exceptionCreator) {
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this.rules.add(new RuleInfo<>(rule, exceptionCreator));
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}
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public void validate(T obj) {
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this.rules.forEach(ruleInfo -> ruleInfo.validate(obj));
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}
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protected static class RuleInfo<T, E extends RuntimeException> {
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private final Predicate<T> rule;
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private final Function<T, E> exceptionCreator;
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private RuleInfo(Predicate<T> rule, Function<T, E> exceptionCreator) {
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this.rule = rule;
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this.exceptionCreator = exceptionCreator;
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}
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private void validate(T obj) {
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if (!rule.test(obj)) {
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throw exceptionCreator.apply(obj);
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}
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}
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}
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}
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@ -1,53 +0,0 @@
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package xyz.zhouxy.plusone.validator;
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import xyz.zhouxy.plusone.exception.PlusoneException;
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/**
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* 4040200 - 无效的用户输入
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*
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* @author <a href="https://gitee.com/zhouxy108">ZhouXY</a>
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*/
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public class InvalidInputException extends PlusoneException {
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private static final long serialVersionUID = 7956661913360059670L;
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public static final int ERROR_CODE = 4040200;
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private InvalidInputException(int code, String msg) {
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super(code, msg);
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}
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private InvalidInputException(int code, Throwable cause) {
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super(code, cause);
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}
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private InvalidInputException(int code, String msg, Throwable cause) {
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super(code, msg, cause);
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}
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public InvalidInputException(String msg) {
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this(ERROR_CODE, msg);
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}
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public InvalidInputException(Throwable cause) {
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this(ERROR_CODE, cause);
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}
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public InvalidInputException(String msg, Throwable cause) {
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this(ERROR_CODE, msg, cause);
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}
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/**
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* 不支持的 Principal 类型出现时抛出的异常
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*/
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public static InvalidInputException unsupportedPrincipalTypeException() {
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return unsupportedPrincipalTypeException("不支持的 PrincipalType");
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}
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/**
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* 不支持的 Principal 类型出现时抛出的异常
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*/
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public static InvalidInputException unsupportedPrincipalTypeException(String message) {
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return new InvalidInputException(4040201, message);
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}
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}
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package xyz.zhouxy.plusone.validator;
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/**
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* 校验工具类
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* <p>
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* 对 {@link IValidateRequired} 的实现类对象进行校验
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* </p>
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*
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* @author <a href="https://gitee.com/zhouxy108">ZhouXY</a>
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*
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* @see BaseValidator
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* @see Validator
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* @see IValidateRequired
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*/
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public class ValidateUtil {
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private ValidateUtil() {
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throw new IllegalStateException("Utility class");
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}
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public static <T> void validate(T obj, BaseValidator<T> validator) {
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validator.validate(obj);
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}
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}
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@ -1,42 +0,0 @@
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package xyz.zhouxy.plusone.validator;
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import java.util.function.Predicate;
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/**
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* 校验器
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*
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* <p>
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* 可以使用以下方式初始化一个校验器：
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* </p>
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*
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* <pre>
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* var validator = new Validator<Integer>()
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* .addRule(value -> Objects.nonNull(value), "value 不能为空")
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* .addRule(value -> (value >= 0 && value <= 500), "value 应在 [0, 500] 内");
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* </pre>
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*
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* <p>
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* 然后通过校验器的 {@link #validate} 方法，或
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* {@link ValidateUtil#validate(Object, Validator)} 对指定对象进行校验。
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* </p>
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*
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* <pre>
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* validator.validate(666);
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* </pre>
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*
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* <pre>
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* ValidateUtil.validate(255, validator);
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* </pre>
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* </p>
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*
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* @author <a href="https://gitee.com/zhouxy108">ZhouXY</a>
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* @see IValidateRequired
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* @see ValidateUtil
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* @see BaseValidator
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*/
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public final class Validator<T> extends BaseValidator<T> {
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public final Validator<T> addRule(final Predicate<T> rule, final String errorMessage) {
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withRule(rule, errorMessage);
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return this;
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}
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}
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package xyz.zhouxy.plusone.validator.validator2;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.function.Function;
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public abstract class BaseValidator2<T> {
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private List<ValueValidator<T, ?>> valueValidators = new ArrayList<>();
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protected final <R> ValueValidator<T, R> ruleFor(Function<T, R> getter) {
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ValueValidator<T, R> validValueHolder = new ValueValidator<>(getter);
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valueValidators.add(validValueHolder);
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return validValueHolder;
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}
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public void validate(T obj) {
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for (ValueValidator<T, ?> valueValidator : this.valueValidators) {
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valueValidator.validateProperty(obj);
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}
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}
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}
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@ -1,379 +0,0 @@
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package xyz.zhouxy.plusone.validator.validator2;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.List;
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import java.util.Objects;
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import java.util.function.Consumer;
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import java.util.function.Function;
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import java.util.function.Predicate;
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import java.util.function.Supplier;
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import cn.hutool.core.util.StrUtil;
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import xyz.zhouxy.plusone.constant.RegexConsts;
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import xyz.zhouxy.plusone.util.RegexUtil;
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import xyz.zhouxy.plusone.validator.InvalidInputException;
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public class ValueValidator<DTO, PROPERTY> {
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Function<DTO, PROPERTY> getter;
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List<Consumer<PROPERTY>> rules = new ArrayList<>();
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public ValueValidator(Function<DTO, PROPERTY> getter) {
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this.getter = getter;
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}
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private <E extends RuntimeException> void withRule(Predicate<PROPERTY> condition,
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Function<PROPERTY, E> exceptionCreator) {
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withRule(value -> {
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if (!condition.test(value)) {
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throw exceptionCreator.apply(value);
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}
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});
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}
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private <E extends RuntimeException> void withRule(Consumer<PROPERTY> rule) {
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this.rules.add(rule);
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}
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// ====================
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// ====== Object ======
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// ====================
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// ====== notNull =====
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public ValueValidator<DTO, PROPERTY> notNull() {
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return notNull("Value could not be null.");
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}
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public ValueValidator<DTO, PROPERTY> notNull(String errMsg) {
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return notNull(convertExceptionCreator(errMsg));
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}
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public <E extends RuntimeException> ValueValidator<DTO, PROPERTY> notNull(Supplier<E> exceptionCreator) {
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return notNull(convertExceptionCreator(exceptionCreator));
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}
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public <E extends RuntimeException> ValueValidator<DTO, PROPERTY> notNull(Function<PROPERTY, E> exceptionCreator) {
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withRule(Objects::nonNull, exceptionCreator);
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return this;
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}
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// ====== isNull =====
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public ValueValidator<DTO, PROPERTY> isNull(String errMsg) {
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return isNull(convertExceptionCreator(errMsg));
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}
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public <E extends RuntimeException> ValueValidator<DTO, PROPERTY> isNull(Supplier<E> exceptionCreator) {
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return isNull(convertExceptionCreator(exceptionCreator));
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}
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public <E extends RuntimeException> ValueValidator<DTO, PROPERTY> isNull(Function<PROPERTY, E> exceptionCreator) {
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withRule(Objects::isNull, exceptionCreator);
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return this;
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}
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// ===== equals =====
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public ValueValidator<DTO, PROPERTY> equalsThat(Object that) {
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return equalsThat(that, value -> new InvalidInputException(String.format("(%s) 必须与 (%s) 相等", value, that)));
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}
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public ValueValidator<DTO, PROPERTY> equalsThat(Object that, String errMsg) {
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return equalsThat(that, convertExceptionCreator(errMsg));
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}
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public <E extends RuntimeException> ValueValidator<DTO, PROPERTY> equalsThat(
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Object that, Supplier<E> exceptionCreator) {
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return equalsThat(that, convertExceptionCreator(exceptionCreator));
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}
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public <E extends RuntimeException> ValueValidator<DTO, PROPERTY> equalsThat(
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Object that, Function<PROPERTY, E> exceptionCreator) {
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withRule(value -> Objects.equals(value, that), exceptionCreator);
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return this;
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}
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// ===== state =====
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public ValueValidator<DTO, PROPERTY> state(Predicate<PROPERTY> condition) {
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return state(condition, "无效的用户输入");
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}
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public ValueValidator<DTO, PROPERTY> state(Predicate<PROPERTY> condition, String errMsg) {
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return state(condition, convertExceptionCreator(errMsg));
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}
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public <E extends RuntimeException> ValueValidator<DTO, PROPERTY> state(
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Predicate<PROPERTY> condition,
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Supplier<E> exceptionCreator) {
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return state(condition, convertExceptionCreator(exceptionCreator));
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}
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public <E extends RuntimeException> ValueValidator<DTO, PROPERTY> state(
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Predicate<PROPERTY> condition,
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Function<PROPERTY, E> exceptionCreator) {
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withRule(condition, exceptionCreator);
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return this;
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}
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// =================
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// ====== int ======
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// =================
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public ValueValidator<DTO, PROPERTY> between(int min, int max) {
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return between(min, max, String.format("数值不在 %s 和 %s 之间", String.valueOf(min), String.valueOf(max)));
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}
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public ValueValidator<DTO, PROPERTY> between(int min, int max, String errMsg) {
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return between(min, max, convertExceptionCreator(errMsg));
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}
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public <E extends RuntimeException> ValueValidator<DTO, PROPERTY> between(int min, int max,
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Supplier<E> exceptionCreator) {
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return between(min, max, convertExceptionCreator(exceptionCreator));
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}
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public <E extends RuntimeException> ValueValidator<DTO, PROPERTY> between(int min, int max,
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Function<PROPERTY, E> exceptionCreator) {
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withRule(value -> ((int) value >= min && (int) value < max), exceptionCreator);
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return this;
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}
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// ====================
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// ====== double ======
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// ====================
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public ValueValidator<DTO, PROPERTY> between(double min, double max) {
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return between(min, max, String.format("数值不在 %s 和 %s 之间", String.valueOf(min), String.valueOf(max)));
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}
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public ValueValidator<DTO, PROPERTY> between(double min, double max, String errMsg) {
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return between(min, max, convertExceptionCreator(errMsg));
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}
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public <E extends RuntimeException> ValueValidator<DTO, PROPERTY> between(double min, double max,
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Supplier<E> exceptionCreator) {
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return between(min, max, convertExceptionCreator(exceptionCreator));
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}
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public <E extends RuntimeException> ValueValidator<DTO, PROPERTY> between(double min, double max,
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Function<PROPERTY, E> exceptionCreator) {
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withRule(value -> ((double) value >= min && (double) value < max), exceptionCreator);
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return this;
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}
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// ================================
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// ====== Collection, String ======
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// ================================
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// ====== notEmpty =====
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public ValueValidator<DTO, PROPERTY> notEmpty(String errMsg) {
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return notEmpty(convertExceptionCreator(errMsg));
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}
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public <E extends RuntimeException> ValueValidator<DTO, PROPERTY> notEmpty(Supplier<E> exceptionCreator) {
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return notEmpty(convertExceptionCreator(exceptionCreator));
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}
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public <E extends RuntimeException> ValueValidator<DTO, PROPERTY> notEmpty(Function<PROPERTY, E> exceptionCreator) {
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withRule(value -> {
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if (value == null) {
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return false;
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}
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if (value instanceof Collection) {
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return !((Collection<?>) value).isEmpty();
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}
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if (value instanceof String) {
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return !((String) value).isEmpty();
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}
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return false;
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}, exceptionCreator);
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return this;
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}
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// ====== isEmpty =====
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public ValueValidator<DTO, PROPERTY> isEmpty(String errMsg) {
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return isEmpty(convertExceptionCreator(errMsg));
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}
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public <E extends RuntimeException> ValueValidator<DTO, PROPERTY> isEmpty(Supplier<E> exceptionCreator) {
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return isEmpty(convertExceptionCreator(exceptionCreator));
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}
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public <E extends RuntimeException> ValueValidator<DTO, PROPERTY> isEmpty(Function<PROPERTY, E> exceptionCreator) {
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withRule(value -> {
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if (value == null) {
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return false;
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}
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if (value instanceof Collection) {
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return ((Collection<?>) value).isEmpty();
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}
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if (value instanceof String) {
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return ((String) value).isEmpty();
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}
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return false;
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}, exceptionCreator);
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return this;
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}
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// =====================
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// ====== boolean ======
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// =====================
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// ====== isTrue ======
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public ValueValidator<DTO, PROPERTY> isTrue() {
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return isTrue("The value must be true.");
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}
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public ValueValidator<DTO, PROPERTY> isTrue(String errMsg) {
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return isTrue(convertExceptionCreator(errMsg));
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}
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public <E extends RuntimeException> ValueValidator<DTO, PROPERTY> isTrue(Supplier<E> exceptionCreator) {
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return isTrue(convertExceptionCreator(exceptionCreator));
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}
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public <E extends RuntimeException> ValueValidator<DTO, PROPERTY> isTrue(Function<PROPERTY, E> exceptionCreator) {
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withRule(Boolean.TRUE::equals, exceptionCreator);
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return this;
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}
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// ====== isFalse ======
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public ValueValidator<DTO, PROPERTY> isFalse() {
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return isFalse("The value must be false.");
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}
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public ValueValidator<DTO, PROPERTY> isFalse(String errMsg) {
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return isFalse(convertExceptionCreator(errMsg));
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}
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public <E extends RuntimeException> ValueValidator<DTO, PROPERTY> isFalse(Supplier<E> exceptionCreator) {
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return isFalse(convertExceptionCreator(exceptionCreator));
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}
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public <E extends RuntimeException> ValueValidator<DTO, PROPERTY> isFalse(Function<PROPERTY, E> exceptionCreator) {
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withRule(Boolean.FALSE::equals, exceptionCreator);
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return this;
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}
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// ====================
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// ====== String ======
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// ====================
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|
||||
// ===== matches =====
|
||||
|
||||
public ValueValidator<DTO, PROPERTY> matches(String regex, String errMsg) {
|
||||
return matches(regex, convertExceptionCreator(errMsg));
|
||||
}
|
||||
|
||||
public <E extends RuntimeException> ValueValidator<DTO, PROPERTY> matches(
|
||||
String regex,
|
||||
Supplier<E> exceptionCreator) {
|
||||
return matches(regex, convertExceptionCreator(exceptionCreator));
|
||||
}
|
||||
|
||||
public <E extends RuntimeException> ValueValidator<DTO, PROPERTY> matches(
|
||||
String regex,
|
||||
Function<PROPERTY, E> exceptionCreator) {
|
||||
withRule(input -> RegexUtil.matches((String) input, regex), exceptionCreator);
|
||||
return this;
|
||||
}
|
||||
|
||||
// ===== matchesOr =====
|
||||
|
||||
public ValueValidator<DTO, PROPERTY> matchesOr(String[] regexs, String errMsg) {
|
||||
return matchesOr(regexs, convertExceptionCreator(errMsg));
|
||||
}
|
||||
|
||||
public <E extends RuntimeException> ValueValidator<DTO, PROPERTY> matchesOr(
|
||||
String[] regexs,
|
||||
Supplier<E> exceptionCreator) {
|
||||
return matchesOr(regexs, convertExceptionCreator(exceptionCreator));
|
||||
}
|
||||
|
||||
public <E extends RuntimeException> ValueValidator<DTO, PROPERTY> matchesOr(
|
||||
String[] regexs,
|
||||
Function<PROPERTY, E> exceptionCreator) {
|
||||
withRule(input -> RegexUtil.matchesOr((String) input, regexs), exceptionCreator);
|
||||
return this;
|
||||
}
|
||||
|
||||
// ===== matchesAnd =====
|
||||
|
||||
public ValueValidator<DTO, PROPERTY> matchesAnd(String[] regexs, String errMsg) {
|
||||
return matchesAnd(regexs, convertExceptionCreator(errMsg));
|
||||
}
|
||||
|
||||
public <E extends RuntimeException> ValueValidator<DTO, PROPERTY> matchesAnd(
|
||||
String[] regexs,
|
||||
Supplier<E> exceptionCreator) {
|
||||
return matchesAnd(regexs, convertExceptionCreator(exceptionCreator));
|
||||
}
|
||||
|
||||
public <E extends RuntimeException> ValueValidator<DTO, PROPERTY> matchesAnd(
|
||||
String[] regexs,
|
||||
Function<PROPERTY, E> exceptionCreator) {
|
||||
withRule(input -> RegexUtil.matchesAnd((String) input, regexs), exceptionCreator);
|
||||
return this;
|
||||
}
|
||||
|
||||
// ===== notBlank =====
|
||||
|
||||
public ValueValidator<DTO, PROPERTY> notBlank() {
|
||||
return notBlank("This String argument must have text; it must not be null, empty, or blank");
|
||||
}
|
||||
|
||||
public ValueValidator<DTO, PROPERTY> notBlank(String errMsg) {
|
||||
return notBlank(convertExceptionCreator(errMsg));
|
||||
}
|
||||
|
||||
public <E extends RuntimeException> ValueValidator<DTO, PROPERTY> notBlank(Supplier<E> exceptionCreator) {
|
||||
return notBlank(convertExceptionCreator(exceptionCreator));
|
||||
}
|
||||
|
||||
public <E extends RuntimeException> ValueValidator<DTO, PROPERTY> notBlank(Function<PROPERTY, E> exceptionCreator) {
|
||||
withRule(input -> StrUtil.isNotBlank((String) input), exceptionCreator);
|
||||
return this;
|
||||
}
|
||||
|
||||
// ===== email =====
|
||||
|
||||
public ValueValidator<DTO, PROPERTY> email() {
|
||||
return email("The value is not an email address.");
|
||||
}
|
||||
|
||||
public ValueValidator<DTO, PROPERTY> email(String errMsg) {
|
||||
return email(convertExceptionCreator(errMsg));
|
||||
}
|
||||
|
||||
public <E extends RuntimeException> ValueValidator<DTO, PROPERTY> email(Supplier<E> exceptionCreator) {
|
||||
return email(convertExceptionCreator(exceptionCreator));
|
||||
}
|
||||
|
||||
public <E extends RuntimeException> ValueValidator<DTO, PROPERTY> email(Function<PROPERTY, E> exceptionCreator) {
|
||||
return matches(RegexConsts.EMAIL, exceptionCreator);
|
||||
}
|
||||
|
||||
// ========================================================================
|
||||
|
||||
void validateProperty(DTO obj) {
|
||||
PROPERTY value = this.getter.apply(obj);
|
||||
for (Consumer<PROPERTY> rule : this.rules) {
|
||||
rule.accept(value);
|
||||
}
|
||||
}
|
||||
|
||||
private static <V> Function<V, InvalidInputException> convertExceptionCreator(String errMsg) {
|
||||
return convertExceptionCreator(errMsg);
|
||||
}
|
||||
|
||||
private static <V, E extends RuntimeException> Function<V, E> convertExceptionCreator(
|
||||
Supplier<E> exceptionSupplier) {
|
||||
return value -> exceptionSupplier.get();
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue