CompositeCondition.java

/*
 * DSS - Digital Signature Services
 *
 * Copyright (C) 2013 European Commission, Directorate-General Internal Market and Services (DG MARKT), B-1049 Bruxelles/Brussel
 *
 * Developed by: 2013 ARHS Developments S.A. (rue Nicolas Bové 2B, L-1253 Luxembourg) http://www.arhs-developments.com
 *
 * This file is part of the "DSS - Digital Signature Services" project.
 *
 * "DSS - Digital Signature Services" is free software: you can redistribute it and/or modify it under the terms of
 * the GNU Lesser General Public License as published by the Free Software Foundation, either version 2.1 of the
 * License, or (at your option) any later version.
 *
 * DSS 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with
 * "DSS - Digital Signature Services".  If not, see <http://www.gnu.org/licenses/>.
 */

package eu.europa.ec.markt.dss.validation102853.condition;

import java.util.ArrayList;
import java.util.List;

import eu.europa.ec.markt.dss.validation102853.CertificateToken;

/**
 * Checks if a certificate has a specific policy OID.<br>
 * Objects based on this class are instantiated from trusted list or by SignedDocumentValidator for QCP and QCPPlus
 *
 * @version $Revision: 946 $ - $Date: 2011-06-06 17:15:14 +0200 (Mon, 06 Jun 2011) $
 */

public class CompositeCondition extends Condition {

    /**
     * The list of child conditions
     */
    protected List<Condition> children;

    /**
     * This method adds a child condition. This allows to handle embedded conditions.
     *
     * @param condition
     * @return
     */
    public void addChild(final Condition condition) {

        if (children == null) {

            children = new ArrayList<Condition>();
        }
        children.add(condition);
    }

    /**
     * Checks the condition for the given certificate.
     *
     * @param certificateToken certificate to be checked
     * @return
     */
    @Override
    public boolean check(final CertificateToken certificateToken) {

        if (children == null) {

            return false;
        }
        for (final Condition condition : children) {

            boolean checkResult = condition.check(certificateToken);
            if (!checkResult) {

                return false;
            }
        }
        return true;
    }

    @Override
    public String toString(String indent) {

        try {

            if (indent == null) {
                indent = "";
            }
            StringBuilder builder = new StringBuilder();
            builder.append(indent).append("CompositeCondition: ").append('\n');
            if (children != null) {

                indent += "\t";
                for (final Condition condition : children) {

                    builder.append(condition.toString(indent));
                }
            }
            return builder.toString();
        } catch (Exception e) {

            return e.toString();
        }
    }

    @Override
    public String toString() {

        return toString("");
    }
}