/*
 * DavMail POP/IMAP/SMTP/CalDav/LDAP Exchange Gateway
 * Copyright (C) 2010  Mickael Guessant
 *
 * 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 2
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package davmail.exchange.ews;

import java.io.IOException;
import java.io.Writer;

/**
 * Boolean search expression
 */
public class MultipleOperandBooleanExpression implements SearchExpression {
    public enum Operator {
        And, Or, Not
    }

    private SearchExpression[] searchExpressions;
    private Operator operator;

    public MultipleOperandBooleanExpression(Operator operator, SearchExpression... searchExpressions) {
        this.searchExpressions = searchExpressions;
        this.operator = operator;
    }

    public void appendTo(StringBuilder buffer) {
        buffer.append("<t:").append(operator.toString()).append('>');

        for (SearchExpression searchExpression : searchExpressions) {
            searchExpression.appendTo(buffer);
        }

        buffer.append("</t:").append(operator.toString()).append('>');
    }
}