SourceClassName.java revision 14606:bc3775e25b52
1/*
2 * Copyright (c) 2010, 2016, Oracle and/or its affiliates. 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/*
25 * @test
26 * @bug     6985460
27 * @summary Test the source class name and method output by the platform
28 *          logger.
29 *
30 * @modules java.base/sun.util.logging
31 *          java.logging
32 * @compile -XDignore.symbol.file SourceClassName.java
33 * @run main/othervm SourceClassName
34 */
35
36import java.util.logging.*;
37import java.io.*;
38import sun.util.logging.PlatformLogger;
39
40public class SourceClassName {
41    public static void main(String[] args) throws Exception {
42        File dir = new File(System.getProperty("user.dir", "."));
43        File log = new File(dir, "testlog.txt");
44        PrintStream logps = new PrintStream(log);
45        writeLogRecords(logps);
46        checkLogRecords(log);
47    }
48
49    private static void writeLogRecords(PrintStream logps) throws Exception {
50        PrintStream err = System.err;
51        try {
52            System.setErr(logps);
53
54            Object[] params = new Object[] { new Long(1), "string"};
55            PlatformLogger plog = PlatformLogger.getLogger("test.log.foo");
56            plog.severe("Log message {0} {1}", (Object[]) params);
57
58            // create a java.util.logging.Logger
59            // now java.util.logging.Logger should be created for each platform
60            // logger
61            Logger logger = Logger.getLogger("test.log.bar");
62            logger.log(Level.SEVERE, "Log message {0} {1}", params);
63
64            plog.severe("Log message {0} {1}", (Object[]) params);
65        } finally {
66            logps.flush();
67            logps.close();
68            System.setErr(err);
69        }
70    }
71
72    private static void checkLogRecords(File log) throws Exception {
73        System.out.println("Checking log records in file: " + log);
74        FileInputStream in = new FileInputStream(log);
75        String EXPECTED_LOG = "SEVERE: Log message 1 string";
76        try {
77            BufferedReader reader = new BufferedReader(new InputStreamReader(in));
78            String line;
79            String[] record = new String[2];
80            int count = 0;
81            int i = 0;
82            while ((line = reader.readLine()) != null) {
83                line = line.trim();
84                System.out.println(line);
85                record[i++] = line;
86                if (i == 2) {
87                    i = 0;
88                    // check log message
89                    if (!record[1].equals(EXPECTED_LOG)) {
90                        // it can sometime happen that some static initializer
91                        // in the system will log an error message - due to e.g.
92                        // some kind of misconfiguration or system settings.
93                        // For instance - somethink like:
94                        //   INFO: currency.properties entry for FR ignored
95                        //         because the value format is not recognized.
96                        // instead of failing if we get such an unexpected
97                        // message, we will simply print that out.
98                        System.out.println("*** WARNING: Unexpected log: " + record[1]);
99                        continue;
100                    }
101                    count++;
102                    // check source class name and method
103                    String[] ss = record[0].split("\\s+");
104                    int len = ss.length;
105                    if (!ss[len-2].equals("SourceClassName") ||
106                        !ss[len-1].equals("writeLogRecords")) {
107                        throw new RuntimeException("Unexpected source: " +
108                            ss[len-2] + " " + ss[len-1]);
109                    }
110
111                }
112            }
113            if (count != 3) {
114                throw new RuntimeException("Unexpected number of records: " + count);
115            }
116        } finally {
117            in.close();
118        }
119    }
120}
121