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Celerio Core Generation Engine

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/*
 * Copyright 2015 JAXIO http://www.jaxio.com
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.jaxio.celerio.configuration.validation;

import javax.validation.Constraint;
import javax.validation.Payload;
import javax.validation.constraints.Pattern;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;

import static java.lang.annotation.ElementType.*;
import static java.lang.annotation.RetentionPolicy.RUNTIME;

@Constraint(validatedBy = {WordValidator.class})
@Target({METHOD, FIELD, CONSTRUCTOR, PARAMETER, ANNOTATION_TYPE})
@Retention(RUNTIME)
@Pattern(regexp = "(|[^\\p{Blank}]*)")
public @interface Word {
    boolean allowEmpty() default true;

    String message() default "Cannot contain spaces";

    Class[] groups() default {};

    Class[] payload() default {};
}