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/*
* JBoss, Home of Professional Open Source
* Copyright 2009, Red Hat, Inc. and/or its affiliates, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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 javax.validation.constraints;
import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;
import javax.validation.Constraint;
import javax.validation.Payload;
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;
/**
* The annotated {@code CharSequence} must match the specified regular expression.
* The regular expression follows the Java regular expression conventions
* see {@link java.util.regex.Pattern}.
*
* Accepts {@code CharSequence}. {@code null} elements are considered valid.
*
* @author Emmanuel Bernard
*/
@Target({ METHOD, FIELD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER })
@Retention(RUNTIME)
@Documented
@Constraint(validatedBy = { })
public @interface Pattern {
/**
* @return the regular expression to match
*/
String regexp();
/**
* @return array of {@code Flag}s considered when resolving the regular expression
*/
Flag[] flags() default { };
/**
* @return the error message template
*/
String message() default "{javax.validation.constraints.Pattern.message}";
/**
* @return the groups the constraint belongs to
*/
Class[] groups() default { };
/**
* @return the payload associated to the constraint
*/
Class[] payload() default { };
/**
* Possible Regexp flags.
*/
public static enum Flag {
/**
* Enables Unix lines mode.
*
* @see java.util.regex.Pattern#UNIX_LINES
*/
UNIX_LINES( java.util.regex.Pattern.UNIX_LINES ),
/**
* Enables case-insensitive matching.
*
* @see java.util.regex.Pattern#CASE_INSENSITIVE
*/
CASE_INSENSITIVE( java.util.regex.Pattern.CASE_INSENSITIVE ),
/**
* Permits whitespace and comments in pattern.
*
* @see java.util.regex.Pattern#COMMENTS
*/
COMMENTS( java.util.regex.Pattern.COMMENTS ),
/**
* Enables multiline mode.
*
* @see java.util.regex.Pattern#MULTILINE
*/
MULTILINE( java.util.regex.Pattern.MULTILINE ),
/**
* Enables dotall mode.
*
* @see java.util.regex.Pattern#DOTALL
*/
DOTALL( java.util.regex.Pattern.DOTALL ),
/**
* Enables Unicode-aware case folding.
*
* @see java.util.regex.Pattern#UNICODE_CASE
*/
UNICODE_CASE( java.util.regex.Pattern.UNICODE_CASE ),
/**
* Enables canonical equivalence.
*
* @see java.util.regex.Pattern#CANON_EQ
*/
CANON_EQ( java.util.regex.Pattern.CANON_EQ );
//JDK flag value
private final int value;
private Flag(int value) {
this.value = value;
}
/**
* @return flag value as defined in {@link java.util.regex.Pattern}
*/
public int getValue() {
return value;
}
}
/**
* Defines several {@link Pattern} annotations on the same element.
*
* @see Pattern
*/
@Target({ METHOD, FIELD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER })
@Retention(RUNTIME)
@Documented
@interface List {
Pattern[] value();
}
}