smart-validator

ValidateUtils.is("a").notNull();
 
ValidateUtils.is("test").maxLength(20).minLength(4);
 
ValidateUtils.is(50).min(20).max(60);

ValidateUtils.is("a").notNull().and("test").maxLength(20).minLength(4).and(50).min(20).max(60);

ValidateUtils.is("test").maxLength(20,"最大长度不能超过20个字").minLength(4,"最小长度不能少于4个字");

public class User {

    @NotNull(msg = "姓名不能为空")
    @MaxLength(value = 20,msg = "姓名不能超过20个字")
    private String name;

    private Date birthday;

    @IdCard
    private String idcard;

    @Max(30)
    @Min(12)
    private int age;

    @Email
    @MaxLength(50)
    private String email;

    @Phone
    private String phone;

    @Regex("[1-9]([0-9]{5,11})")
    private String qq;
    
    //get... set..
}

try {
    //....
    ValidateUtils.check(user);
    //.....
}catch (ParamsException e){
    throw e;
}catch (Exception e){
    //...
}

ValidateUtils.check(user).and("2017-06-05").date("yyyy-MM-dd");

<properties>
    <slf4j.version>1.7.13</slf4j.version>
    <commons.lang.version>2.6</commons.lang.version>
    <commons.collections.version>3.2.2</commons.collections.version>
    <commons.beanutils.version>1.9.3</commons.beanutils.version>
</properties>

<dependencies>
    <dependency>
        <groupId>org.slf4j</groupId>
        <artifactId>slf4j-api</artifactId>
        <version>${slf4j.version}</version>
    </dependency>
    <dependency>
        <groupId>org.slf4j</groupId>
        <artifactId>slf4j-log4j12</artifactId>
        <version>${slf4j.version}</version>
    </dependency>
    <dependency>
        <groupId>commons-lang</groupId>
        <artifactId>commons-lang</artifactId>
        <version>${commons.lang.version}</version>
    </dependency>
    <dependency>
        <groupId>commons-collections</groupId>
        <artifactId>commons-collections</artifactId>
        <version>${commons.collections.version}</version>
    </dependency>
    <dependency>
        <groupId>commons-beanutils</groupId>
        <artifactId>commons-beanutils</artifactId>
        <version>${commons.beanutils.version}</version>
    </dependency>
</dependencies>