01: /*
02: * JOnAS: Java(TM) Open Application Server
03: * Copyright (C) 1999 Bull S.A.
04: * Contact: jonas-team@objectweb.org
05: *
06: * This library is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU Lesser General Public
08: * License as published by the Free Software Foundation; either
09: * version 2.1 of the License, or any later version.
10: *
11: * This library is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * Lesser General Public License for more details.
15: *
16: * You should have received a copy of the GNU Lesser General Public
17: * License along with this library; if not, write to the Free Software
18: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
19: * USA
20: *
21: * --------------------------------------------------------------------------
22: * $Id: Env.java 3845 2003-12-05 14:19:55Z legrasi $
23: * --------------------------------------------------------------------------
24: */
25:
26: package org.objectweb.jonas.jtests.util;
27:
28: import java.sql.Connection;
29: import java.sql.DatabaseMetaData;
30: import java.sql.SQLException;
31:
32: /**
33: * Utility class about the environment.
34: * @author Helene Joanin
35: */
36:
37: public class Env {
38:
39: public static final int DB_UNKNOWN = -1;
40: public static final int DB_ORACLE = 10;
41: public static final int DB_POSGRESQL = 20;
42: public static final int DB_DB2 = 30;
43: public static final int DB_MYSQL = 40;
44:
45: // Variables related to Java Version
46:
47: static public final int JAVA_1_3 = 130;
48: static public final int JAVA_1_4 = 140;
49: static private int javaVersion = -1;
50:
51: /**
52: * Get the type of a Database
53: * @param connection to the databse
54: * @return the type DB_ORACLE, DB_POSGRESQL, DB_DB2, DB_MYSQL or DB_UNKNOWN if unknown
55: */
56: public static int getDatabaseType(Connection c) throws SQLException {
57: int type = DB_UNKNOWN;
58: String name = c.getMetaData().getDatabaseProductName();
59: if ("Oracle".equalsIgnoreCase(name)) {
60: type = DB_ORACLE;
61: } else if ("PostgreSQL".equalsIgnoreCase(name)) {
62: type = DB_POSGRESQL;
63: } else if ("DB2/LINUX".equalsIgnoreCase(name)) {
64: type = DB_DB2;
65: } else if ("MySQL".equalsIgnoreCase(name)) {
66: type = DB_MYSQL;
67: }
68: return type;
69: }
70:
71: /**
72: * Gets Java Version.
73: * @return javaVersion or -1 if error
74: */
75: static public int getJavaVersion() {
76:
77: if (javaVersion == -1) {
78: // Sets Java Version
79: String strjv = System.getProperty("java.version", "");
80: if (strjv.indexOf("1.3") == 0)
81: javaVersion = JAVA_1_3;
82: if (strjv.indexOf("1.4") == 0)
83: javaVersion = JAVA_1_4;
84: }
85: return javaVersion;
86: }
87:
88: /**
89: * return true if JDK 1.4 or later
90: */
91: static public boolean isJAVA4() {
92: return (getJavaVersion() >= JAVA_1_4);
93: }
94: }
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