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8172886: Add a test that shows how the LogManager can be implemented by a module

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Reviewed-by: mchung
This commit is contained in:
Daniel Fuchs 2017-01-18 11:47:36 +00:00
parent 208954cc4e
commit 433cd91ee2
8 changed files with 368 additions and 0 deletions
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87
jdk/test/java/util/logging/modules/LogManagerInModule/LogManagerInModuleTest.java Normal file
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/*
* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.nio.file.Paths;
import java.util.logging.Handler;
import java.util.logging.LogManager;
import java.util.logging.Logger;
/**
* @test
* @bug 8172886
* @summary Verifies that a custom LogManager or custom Handler can be
* instantiated by the logging system if they are in a package
* that is exported to java.logging by a module.
* @build test.logmanager/test.logmanager.TestLogManager
* test.handlers/test.handlers.TestHandler
* test.config/test.config.LogConfig
* LogManagerInModuleTest
* @run main/othervm --add-modules test.logmanager,test.handlers
* -Djava.util.logging.manager=test.logmanager.TestLogManager
* LogManagerInModuleTest
* @run main/othervm --add-modules test.logmanager,test.handlers,test.config
* -Djava.util.logging.manager=test.logmanager.TestLogManager
* -Djava.util.logging.config.class=test.config.LogConfig
* LogManagerInModuleTest
*
* @author danielfuchs
*/
public class LogManagerInModuleTest {
public static void main(String[] args) throws Exception {
if (System.getProperty("java.util.logging.config.class", null) == null) {
System.setProperty("java.util.logging.config.file",
Paths.get(System.getProperty("test.src", "src"),
"logging.properties").toString());
}
// sanity check
if (LogManagerInModuleTest.class.getModule().isNamed()) {
throw new RuntimeException("Unexpected named module for "
+ LogManagerInModuleTest.class + ": "
+ LogManagerInModuleTest.class.getModule().getName());
}
// now check that the LogManager was correctly instantiated.
LogManager manager = LogManager.getLogManager();
System.out.println("LogManager: " + manager);
Class<?> logManagerClass = manager.getClass();
if (!"test.logmanager".equals(logManagerClass.getModule().getName())) {
throw new RuntimeException("Bad module for log manager: "
+ logManagerClass.getModule() + "; class is: "
+ logManagerClass.getName());
}
Logger logger = Logger.getLogger("com.xyz.foo");
Handler[] handlers = logger.getHandlers();
if (handlers.length != 1) {
throw new RuntimeException("Expected 1 handler, found " + handlers.length);
}
Class<?> handlerClass = handlers[0].getClass();
if (!"test.handlers".equals(handlerClass.getModule().getName())) {
throw new RuntimeException("Bad module for handler: "
+ handlerClass.getModule() + "; class is: "
+ handlerClass.getName());
}
}
}

56
jdk/test/java/util/logging/modules/LogManagerInModule/logging.properties Normal file
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############################################################
# Global properties
############################################################
# "handlers" specifies a comma separated list of log Handler
# classes. These handlers will be installed during VM startup.
# Note that these classes must be on the system classpath.
# By default we only configure a ConsoleHandler, which will only
# show messages at the INFO and above levels.
handlers= java.util.logging.ConsoleHandler
# To also add the FileHandler, use the following line instead.
#handlers= java.util.logging.FileHandler, java.util.logging.ConsoleHandler
# Default global logging level.
# This specifies which kinds of events are logged across
# all loggers. For any given facility this global level
# can be overriden by a facility specific level
# Note that the ConsoleHandler also has a separate level
# setting to limit messages printed to the console.
.level= INFO
############################################################
# Handler specific properties.
# Describes specific configuration info for Handlers.
############################################################
# default file output is in user's home directory.
java.util.logging.FileHandler.pattern = %h/java%u.log
java.util.logging.FileHandler.limit = 50000
java.util.logging.FileHandler.count = 1
# Default number of locks FileHandler can obtain synchronously.
# This specifies maximum number of attempts to obtain lock file by FileHandler
# implemented by incrementing the unique field %u as per FileHandler API documentation.
java.util.logging.FileHandler.maxLocks = 100
java.util.logging.FileHandler.formatter = java.util.logging.XMLFormatter
# Limit the message that are printed on the console to INFO and above.
java.util.logging.ConsoleHandler.level = INFO
java.util.logging.ConsoleHandler.formatter = java.util.logging.SimpleFormatter
# Example to customize the SimpleFormatter output format
# to print one-line log message like this:
# <level>: <log message> [<date/time>]
#
# java.util.logging.SimpleFormatter.format=%4$s: %5$s [%1$tc]%n
############################################################
# Facility specific properties.
# Provides extra control for each logger.
############################################################
# For example, set the com.xyz.foo logger to only log SEVERE
# messages:
com.xyz.foo.level = SEVERE
com.xyz.foo.handlers = test.handlers.TestHandler

31
jdk/test/java/util/logging/modules/LogManagerInModule/test.config/module-info.java Normal file
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/*
* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
module test.config {
requires java.logging;
requires test.handlers;
// makes it possible for java.logging to instantiate test.config.LogConfig;
// this doesn't need to be a qualified export, but making it so will prevent
// any other module from being able to instantiate the provided classes.
exports test.config to java.logging;
}

51
jdk/test/java/util/logging/modules/LogManagerInModule/test.config/test/config/LogConfig.java Normal file
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/*
* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package test.config;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.LogManager;
import java.util.logging.Logger;
import test.handlers.TestHandler;
/**
* A dummy class that configures the logging system.
* @author danielfuchs
*/
public class LogConfig {
private static final List<Logger> LOGGERS = new ArrayList<>();
public LogConfig() {
LogManager manager = LogManager.getLogManager();
Logger logger = Logger.getLogger("com.xyz.foo");
if (logger.getHandlers().length > 0) {
System.err.println(this.getClass().getName() + ": "
+ "Unexpected handlers: "
+ List.of(logger.getHandlers()));
throw new RuntimeException("Unexpected handlers: "
+ List.of(logger.getHandlers()));
}
logger.addHandler(new TestHandler());
LOGGERS.add(logger);
}
}

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jdk/test/java/util/logging/modules/LogManagerInModule/test.handlers/module-info.java Normal file
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/*
* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
module test.handlers {
requires transitive java.logging;
// makes it possible for java.logging and test.config to instantiate
// test.handlers.TestHandler;
// this doesn't need to be a qualified export, but making it so will prevent
// any other module from being able to instantiate the provided classes.
exports test.handlers to java.logging, test.config;
}

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jdk/test/java/util/logging/modules/LogManagerInModule/test.handlers/test/handlers/TestHandler.java Normal file
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/*
* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package test.handlers;
import java.util.logging.Handler;
import java.util.logging.LogRecord;
/**
* A dummy Handler that does nothing.
* @author danielfuchs
*/
public class TestHandler extends Handler {
@Override
public void publish(LogRecord record) {
}
@Override
public void flush() {
}
@Override
public void close() throws SecurityException {
}
}

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jdk/test/java/util/logging/modules/LogManagerInModule/test.logmanager/module-info.java Normal file
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/*
* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
module test.logmanager {
requires java.logging;
// makes it possible for java.logging to instantiate
// test.logmanager.TestLogManager;
// this doesn't need to be a qualified export, but making it so will prevent
// any other module from being able to instantiate the provided classes.
exports test.logmanager to java.logging;
}

34
jdk/test/java/util/logging/modules/LogManagerInModule/test.logmanager/test/logmanager/TestLogManager.java Normal file
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/*
* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package test.logmanager;
import java.util.logging.LogManager;
/**
* A dummy LogManager that simply extends the standard class.
* @author danielfuchs
*/
public class TestLogManager extends LogManager {
}