BranchNameValidator.java

/*
documentr - Edit, maintain, and present software documentation on the web.
Copyright (C) 2012-2013 Maik Schreiber

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
package de.blizzy.documentr.validation;

import java.util.regex.Pattern;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;

import org.apache.commons.lang3.StringUtils;

import de.blizzy.documentr.DocumentrConstants;
import de.blizzy.documentr.validation.annotation.ValidBranchName;

public class BranchNameValidator implements ConstraintValidator<ValidBranchName, String> {
	@Override
	public void initialize(ValidBranchName annotation) {
	}

	@Override
	public boolean isValid(String value, ConstraintValidatorContext context) {
		if (StringUtils.isBlank(value)) {
			return true;
		}

		return Pattern.matches("^" + DocumentrConstants.BRANCH_NAME_PATTERN + "$", value); //$NON-NLS-1$ //$NON-NLS-2$
	}
}