com.esofthead.mycollab.validator.constraints.URLValidator.java Source code

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Here is the source code for com.esofthead.mycollab.validator.constraints.URLValidator.java

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/**
 * This file is part of mycollab-core.
 *
 * mycollab-core 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.
 *
 * mycollab-core 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 mycollab-core.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.esofthead.mycollab.validator.constraints;

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

import org.apache.commons.lang3.StringUtils;

/**
 * 
 * @author MyCollab Ltd.
 * @since 1.0
 *
 */
@SuppressWarnings("ucd")
public class URLValidator implements ConstraintValidator<URL, String> {

    @Override
    public void initialize(URL constraintAnnotation) {
    }

    @Override
    public boolean isValid(String value, ConstraintValidatorContext context) {
        if (!StringUtils.isBlank(value)) {
            return value.matches(
                    "[-a-zA-Z0-9@:%_\\+.~#?&//=]{2,256}\\.[a-z]{2,4}\\b(\\/[-a-zA-Z0-9@:%_\\+.~#?&//=]*)?");
        } else {
            return true;
        }
    }
}