1 /*
2 * Copyright 1999-2001 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Sun designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Sun in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any questions.
24 */
25
26 /*
27 * (C) Copyright IBM Corp. 1993 - 1997 - All Rights Reserved
28 *
29 * The original version of this source code and documentation is
30 * copyrighted and owned by IBM, Inc. These materials are provided under
31 * terms of a License Agreement between IBM and Sun. This technology is
32 * protected by multiple US and International patents. This notice and
33 * attribution to IBM may not be removed.
34 *
35 */
36
37
38 package javax.rmi.CORBA;
39
40 import java.io.IOException;
41 import java.io.File;
42 import java.io.FileInputStream;
43
44 import java.security.AccessController;
45 import java.security.PrivilegedAction;
46 import sun.security.action.GetPropertyAction;
47 import java.util.Properties;
48
49 class GetORBPropertiesFileAction implements PrivilegedAction {
50 private boolean debug = false ;
51
52 public GetORBPropertiesFileAction () {
53 }
54
55 private String getSystemProperty(final String name) {
56 // This will not throw a SecurityException because this
57 // class was loaded from rt.jar using the bootstrap classloader.
58 String propValue = (String) AccessController.doPrivileged(
59 new PrivilegedAction() {
60 public java.lang.Object run() {
61 return System.getProperty(name);
62 }
63 }
64 );
65
66 return propValue;
67 }
68
69 private void getPropertiesFromFile( Properties props, String fileName )
70 {
71 try {
72 File file = new File( fileName ) ;
73 if (!file.exists())
74 return ;
75
76 FileInputStream in = new FileInputStream( file ) ;
77
78 try {
79 props.load( in ) ;
80 } finally {
81 in.close() ;
82 }
83 } catch (Exception exc) {
84 if (debug)
85 System.out.println( "ORB properties file " + fileName +
86 " not found: " + exc) ;
87 }
88 }
89
90 public Object run()
91 {
92 Properties defaults = new Properties() ;
93
94 String javaHome = getSystemProperty( "java.home" ) ;
95 String fileName = javaHome + File.separator + "lib" + File.separator +
96 "orb.properties" ;
97
98 getPropertiesFromFile( defaults, fileName ) ;
99
100 Properties results = new Properties( defaults ) ;
101
102 String userHome = getSystemProperty( "user.home" ) ;
103 fileName = userHome + File.separator + "orb.properties" ;
104
105 getPropertiesFromFile( results, fileName ) ;
106 return results ;
107 }
108 }
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