ServerDetector.java

/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2008, Red Hat Middleware LLC, and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This 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.
 *
 * This software 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 this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.picketlink.identity.federation.web.util;

/**
 * Utility Class to detect which server we are currently operating in
 *
 * @author Anil.Saldhana@redhat.com
 * @since Sep 11, 2009
 */
public class ServerDetector {
    private boolean jboss = false;

    private boolean tomcat = false;

    public ServerDetector() {
        this.detectServer();
    }

    public boolean isJboss() {
        return jboss;
    }

    public boolean isTomcat() {
        return tomcat;
    }

    private void detectServer() {
        // Detect JBoss
        Class<?> me = getClass();
        Class<?> clazz = null;
        try {
            clazz = SecurityActions.loadClass(me, "org.jboss.system.Service");
            if (clazz != null) {
                jboss = true;
                return;
            }
        } catch (Exception e) {
        }

        // If class is null - try the JBossAS7 and beyond
        try {
            clazz = SecurityActions.loadClass(me, "org.jboss.as.web.WebServer");
            if (clazz != null) {
                jboss = true;
                return;
            }
        } catch (Exception e) {
        }

        // Tomcat
        try {
            clazz = SecurityActions.loadClass(getClass(), "org.apache.catalina.Server");
            if (clazz != null) {
                tomcat = true;
                return;
            }
        } catch (Exception e) {
            // ignore
        }
    }
}