/*
* Copyright (C) 2009 eXo Platform SAS.
*
* 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.exoplatform.commons;
import org.exoplatform.commons.utils.PrivilegedSystemHelper;
public class Environment
{
public static final int UNKNOWN = 0;
public static final int STAND_ALONE = 1;
public static final int TOMCAT_PLATFORM = 2;
public static final int JBOSS_PLATFORM = 3;
public static final int JETTY_PLATFORM = 4;
public static final int WEBSHPERE_PLATFORM = 5;
public static final int WEBLOGIC_PLATFORM = 6;
private static volatile Environment singleton_;
private int platform_;
private Environment()
{
String catalinaHome = PrivilegedSystemHelper.getProperty("catalina.home");
String jbossHome = PrivilegedSystemHelper.getProperty("jboss.home.dir");
String jettyHome = PrivilegedSystemHelper.getProperty("jetty.home");
String websphereHome = PrivilegedSystemHelper.getProperty("was.install.root");
String weblogicHome = PrivilegedSystemHelper.getProperty("weblogic.Name");
String standAlone = PrivilegedSystemHelper.getProperty("maven.exoplatform.dir");
if (jbossHome != null)
{
platform_ = JBOSS_PLATFORM;
}
else if (catalinaHome != null)
{
platform_ = TOMCAT_PLATFORM;
}
else if (jettyHome != null)
{
platform_ = JETTY_PLATFORM;
}
else if (websphereHome != null)
{
platform_ = WEBSHPERE_PLATFORM;
}
else if (weblogicHome != null)
{
platform_ = WEBLOGIC_PLATFORM;
}
else if (standAlone != null)
{
platform_ = STAND_ALONE;
}
else
{
platform_ = UNKNOWN;
}
}
public int getPlatform()
{
return platform_;
}
static public Environment getInstance()
{
if (singleton_ == null)
{
synchronized (Environment.class)
{
singleton_ = new Environment();
}
}
return singleton_;
}
}