ServletContainerUtils


1   //
2   //                                   ____.
3   //                       __/\ ______|    |__/\.     _______
4   //            __   .____|    |       \   |    +----+       \
5   //    _______|  /--|    |    |    -   \  _    |    :    -   \_________
6   //   \\______: :---|    :    :           |    :    |         \________>
7   //           |__\---\_____________:______:    :____|____:_____\
8   //                                      /_____|
9   //
10  //              . . . i n   j a h i a   w e   t r u s t . . .
11  //
12  
13  package org.jahia.utils;
14  
15  import java.io.File  ;
16  import java.util.HashMap  ;
17  
18  import javax.naming.Context  ;
19  import javax.naming.InitialContext  ;
20  import javax.servlet.ServletConfig  ;
21  import javax.servlet.ServletContext  ;
22  
23  import org.jahia.data.constants.JahiaConstants;
24  
25  
26  
27  
28  public class ServletContainerUtils
29  {
30  
31      public static HashMap   infos = null;
32  
33  
34      //-------------------------------------------------------------------------
35      /**
36       * Default constructor.
37       */
38      public ServletContainerUtils ()
39      {
40          // nothing to do...
41      }
42  
43  
44     /**
45       * Get server specific informations, like it's name (Orion, Tomcat, etc.)
46       * and it's server home disk path. This method returns the result in a
47       * HashMap with these keys: <code>type</code> and <code>home</code>.
48       *
49       * @author  Khue N'Guyen
50       * @author  Alexandre Kraft
51       */
52      public static HashMap   getServerInformations( ServletConfig   config )
53      {
54          ServletContext   context = config.getServletContext();
55  
56          if( infos != null ) {
57              return infos;
58          } else {
59  
60              // initialize the result hashmap...
61              infos = new HashMap  ();
62              infos.put("info", context.getServerInfo() );
63  
64              JahiaConsole.println("getServerInformations","serverinfo = " + context.getServerInfo() );
65  
66              // try to get the server type
67              if ( context.getServerInfo().toLowerCase().indexOf(JahiaConstants.SERVER_ORION)>=0 )
68              {
69                  infos.put("type", JahiaConstants.SERVER_ORION);
70  
71                  // try to get the server home disk path
72                  String   contextRealPath = context.getRealPath("." + File.separator);
73  
74                  // last occurence of the server name
75                  int pos = contextRealPath.toLowerCase().lastIndexOf("orion");
76                  if ( pos>=0 ){
77                      int pos2 = contextRealPath.toLowerCase().indexOf(File.separator,pos);
78                      if ( pos2 >=0 ){
79                          infos.put("home", contextRealPath.substring(0, pos2) + File.separator);
80                      }
81                  }
82              }
83              else if ( context.getServerInfo().toLowerCase().indexOf("tomcat")>=0 )
84              {
85                  infos.put("type",JahiaConstants.SERVER_TOMCAT);
86  
87                  JahiaConsole.println("getServerInformations", "servertype = " +infos.get("type") );
88  
89                  // try to get the server home disk path
90                  String   contextRealPath = context.getRealPath("/" + config.getServletName());
91                  String   jahiaRealPath = JahiaTools.replacePattern(contextRealPath,config.getServletName(),"");
92                  jahiaRealPath = JahiaTools.replacePattern(jahiaRealPath,File.separator+"."+File.separator,File.separator);
93  
94                  File   jahiaDir = new File  (jahiaRealPath);                    // ../tomcat/webapps/jahia
95                  JahiaConsole.println("getServerInformations", "jahia dir name = " + jahiaDir.getAbsolutePath() );
96  
97                  String   webAppPath = jahiaDir.getParent();
98                  File   webAppDir = new File  (webAppPath);
99                  JahiaConsole.println("getServerInformations", "webapp dir = " + webAppDir.getAbsolutePath() );
100 
101                 String   tomcatPath = webAppDir.getParent();
102                 File   tomcatDir = new File  (tomcatPath);
103 
104                 JahiaConsole.println("getServerInformations", "tomcat dir name = " + tomcatDir.getName() );
105 
106                 /*
107                 File tomcatParentDir = tomcatDir.getParentFile();
108                 File[] files = tomcatParentDir.listFiles();
109                 for ( int i=0 ; i<files.length ; i++ ){
110                     if ( files[i].isDirectory() && (files[i].getName().indexOf(JahiaConstants.SERVER_TOMCAT) != -1) ){
111                         JahiaConsole.println("getServerInformations",
112                         "Files[i] = " + files[i].getAbsolutePath() );
113                         tomcatDir = files[i];
114                         break;
115                     }
116                 }
117                 */
118 
119                 JahiaConsole.println("getServerInformations", "tomcat real path = " + tomcatDir.getAbsolutePath() );
120 
121                 String   serverPath = tomcatDir.getAbsolutePath();
122 
123                 if ( !serverPath.endsWith(File.separator) ){
124                     serverPath+=File.separator;
125                 }
126 
127                 infos.put("home", serverPath);
128 
129             } else if ( context.getServerInfo().toLowerCase().indexOf("weblogic")>=0 ) {
130                 infos.put("type",JahiaConstants.SERVER_WEBLOGIC);
131                 // try to get the server home disk path
132                 String   contextRealPath = context.getRealPath("." + File.separator);
133                 int pos = contextRealPath.toLowerCase().lastIndexOf("server");
134                 if ( pos>=0 ){
135                     int pos2 = contextRealPath.toLowerCase().indexOf(File.separator,pos);
136                     if ( pos2 >=0 ){
137                         infos.put("home", contextRealPath.substring(0, pos2) + File.separator);
138                     }
139                 }
140             } else {
141                 infos.put("type", "unknown");
142                 infos.put("home", "unknown");
143             }
144 
145             try {
146                 Context   ctx = new InitialContext  ();
147                 if (((String  )ctx.getEnvironment().get("java.naming.factory.url.pkgs")).indexOf("org.jboss") > -1) {
148                     infos.put("type",JahiaConstants.SERVER_JBOSS);
149                     infos.put("info", infos.get("info") + " (JBoss integration)" );
150 
151                     // try to get the server home disk path
152                     String   contextRealPath = context.getRealPath("/" + config.getServletName());
153                     String   jahiaRealPath = JahiaTools.replacePattern(contextRealPath,config.getServletName(),"");
154                     jahiaRealPath = JahiaTools.replacePattern(jahiaRealPath,File.separator+"."+File.separator,File.separator);
155 
156                     File   jahiaDir = new File  (jahiaRealPath);                    // ../tomcat/webapps/jahia
157                     JahiaConsole.println("getServerInformations", "jboss dir name = " + jahiaDir.getAbsolutePath() );
158 
159                     String   webAppPath = jahiaDir.getParent();
160                     File   webAppDir = new File  (webAppPath);
161                     JahiaConsole.println("getServerInformations", "webapp dir = " + webAppDir.getAbsolutePath() );
162 
163                     String   tomcatPath = webAppDir.getParent();
164                     File   tomcatDir = new File  (tomcatPath);
165 
166                     String   serverPath = tomcatDir.getAbsolutePath();
167 
168                     if ( !serverPath.endsWith(File.separator) ){
169                         serverPath+=File.separator;
170                     }
171 
172                     infos.put("home", serverPath);
173 
174                 }
175             } catch (Exception   e) {
176             }
177 
178             return infos;
179         }
180     } // end getServerInformations
181 
182 
183 
184 } // end ServletContainerUtils
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