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/*******************************************************************************
 * Copyright 2012 Anteros Tecnologia
 *  
 * 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 br.com.anteros.bean.validation.constraints;

import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;

import br.com.anteros.validation.api.Constraint;
import br.com.anteros.validation.api.OverridesAttribute;
import br.com.anteros.validation.api.Payload;
import br.com.anteros.validation.api.ReportAsSingleViolation;
import br.com.anteros.validation.api.constraints.Pattern;

import static java.lang.annotation.ElementType.ANNOTATION_TYPE;
import static java.lang.annotation.ElementType.CONSTRUCTOR;
import static java.lang.annotation.ElementType.FIELD;
import static java.lang.annotation.ElementType.METHOD;
import static java.lang.annotation.ElementType.PARAMETER;
import static java.lang.annotation.RetentionPolicy.RUNTIME;

/**
 * Validate that the string is a valid URL.
 *
 * @author Hardy Ferentschik
 */
@Documented
@Constraint(validatedBy = { })
@Target({ METHOD, FIELD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER })
@Retention(RUNTIME)
@ReportAsSingleViolation
@Pattern(regexp = "")
/**
 * {@code URL} is a field/method level constraint which can be applied on a string to assert that the string
 * represents a valid URL. Per default the constraint verifies that the annotated value conforms to
 * RFC2396. Via the parameters {@code protocol}, {@code host}
 * and {@code port} one can assert the corresponding parts of the parsed URL.
 * 

* Due to the fact that RFC2396 is a very generic specification it often is not restrictive enough for a given usecase. * In this case one can also specify the optional {@code regexp} and {@code flags} parameters. This way an additional * Java regular expression can be specified which the string (URL) has to match. *

*/ public @interface URL { String message() default "{br.com.anteros.bean.validation.constraints.URL.message}"; Class[] groups() default { }; Class[] payload() default { }; /** * @return the protocol (scheme) the annotated string must match, eg ftp or http. * Per default any protocol is allowed */ String protocol() default ""; /** * @return the host the annotated string must match, eg localhost. Per default any host is allowed */ String host() default ""; /** * @return the port the annotated string must match, eg 80. Per default any port is allowed */ int port() default -1; /** * @return an additional regular expression the annotated URL must match. The default is any string ('.*') */ @OverridesAttribute(constraint = Pattern.class, name = "regexp") String regexp() default ".*"; /** * @return used in combination with {@link #regexp()} in order to specify a regular expression option */ @OverridesAttribute(constraint = Pattern.class, name = "flags") Pattern.Flag[] flags() default { }; /** * Defines several {@code @URL} annotations on the same element. */ @Target({ METHOD, FIELD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER }) @Retention(RUNTIME) @Documented public @interface List { URL[] value(); } }




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