org.mobicents.servlet.sip.undertow.rules.AndRule Maven / Gradle / Ivy

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/*
 * TeleStax, Open Source Cloud Communications
 * Copyright 2011-2015, Telestax Inc and individual contributors
 * by the @authors tag.
 *
 * This program is free software: you can redistribute it and/or modify
 * under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see 
 */

package org.mobicents.servlet.sip.undertow.rules;

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

import javax.servlet.sip.SipServletRequest;

import org.mobicents.servlet.sip.core.descriptor.MatchingRule;

/**
 * @author Thomas Leseney
 *
 *         This class is based on the contents of org.mobicents.servlet.sip.catalina.rules package from sip-servlet-as7 project,
 *         re-implemented for jboss as10 (wildfly) by:
 * @author [email protected]
 */
public class AndRule implements MatchingRule {

    private List criteria = new ArrayList();

    public AndRule() {
    }

    public void addCriterion(MatchingRule c) {
        criteria.add(c);
    }

    public boolean matches(SipServletRequest request) {
        for (MatchingRule rule : criteria) {
            if (!rule.matches(request))
                return false;
        }
        return true;
    }

    public String getExpression() {
        StringBuffer sb = new StringBuffer("(");
        boolean first = true;

        for (MatchingRule rule : criteria) {
            if (first) {
                first = false;
            } else {
                sb.append(" and ");
            }
            sb.append(rule.getExpression());
        }
        sb.append(")");
        return sb.toString();
    }
}