/*
 * This file is part of ***  M y C o R e  ***
 * See http://www.mycore.de/ for details.
 *
 * MyCoRe 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.
 *
 * MyCoRe 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 MyCoRe.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.mycore.frontend.xeditor.validation;

/**
 * Validates input to match a specified java.util.regex pattern.
 * Example: &lt;xed:validate xpath="//mods:identifier[@type='doi']" matches="10\.\d+.*" ... /&gt;
 *
 * @author Frank Lützenkirchen
 */
public class MCRMatchesValidator extends MCRValidator {

    private static final String ATTR_MATCHES = "matches";

    private String pattern;

    @Override
    public boolean hasRequiredAttributes() {
        return hasAttributeValue(ATTR_MATCHES);
    }

    @Override
    public void configure() {
        this.pattern = getAttributeValue(ATTR_MATCHES);
    }

    @Override
    protected boolean isValid(String value) {
        return value.matches(pattern);
    }
}
