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1
5 package org.exoplatform.commons;
6
7
8 public class Environment {
9
10 static final public int UNKNOWN = 0 ;
11 static final public int STAND_ALONE = 1 ;
12 static final public int TOMCAT_PLATFORM = 2 ;
13 static final public int JBOSS_PLATFORM = 3 ;
14 static final public int JETTY_PLATFORM = 4 ;
15 static final public int WEBSHPERE_PLATFORM = 5;
16 static final public int WEBLOGIC_PLATFORM = 6;
17
18 static private Environment singleton_ ;
19
20 private int platform_ ;
21
22 private Environment() {
23 String  catalinaHome = System.getProperty("catalina.home");
24 String jbossHome = System.getProperty("jboss.home.dir");
25 String jettyHome = System.getProperty("jetty.home");
26 String websphereHome = System.getProperty("was.install.root");
27 String weblogicHome = System.getProperty("weblogic.Name");
28 String standAlone = System.getProperty("maven.exoplatform.dir") ;
29 if (jbossHome != null) {
30 platform_ = JBOSS_PLATFORM;
31 } else if (catalinaHome != null) {
32 platform_ = TOMCAT_PLATFORM ;
33 } else if (jettyHome != null) {
34 platform_ = JETTY_PLATFORM ;
35 } else if (websphereHome != null) {
36 platform_ = WEBSHPERE_PLATFORM ;
37 } else if (weblogicHome != null) {
38 platform_ = WEBLOGIC_PLATFORM ;
39 }else if (standAlone != null) {
40 platform_ = STAND_ALONE ;
41 } else {
42 platform_ = UNKNOWN ;
43 }
44 }
45
46 public int getPlatform() { return platform_ ; }
47
48 static public Environment getInstance() {
49 if (singleton_ == null) {
50 synchronized (Environment.class) {
51 singleton_ = new Environment() ;
52 }
53 }
54 return singleton_ ;
55 }
56 } |
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