test/jdk/java/util/logging/CustomLogManager.java
changeset 47216 71c04702a3d5
parent 16495 94c16c1ea6eb
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/util/logging/CustomLogManager.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,207 @@
+/*
+ * Copyright (c) 2013, 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.io.*;
+import java.util.*;
+import java.util.logging.*;
+
+/*
+ * Custom LogManager implementation to verify that the implementation delegates
+ * to the LogManager subclass to register both system logger and user logger.
+ *
+ * The LogManager implementation is the one configuring the logger's property
+ * such as level, handler, etc.
+ */
+public class CustomLogManager extends LogManager {
+    static LogManager INSTANCE;
+    Map<String,Logger> namedLoggers = new HashMap<>();
+    Properties props = initConfig();
+    public CustomLogManager() {
+        if (INSTANCE != null) {
+            throw new RuntimeException("CustomLogManager already created");
+        }
+        INSTANCE = this;
+    }
+
+    private boolean useParentHandlers(String loggerName) {
+        String s = props.getProperty(loggerName + ".useParentHandlers");
+        if (s == null)
+            return true;   // default is true
+
+        s = s.toLowerCase();
+        if (s.equals("true") || s.equals("1")) {
+           return true;
+        } else if (s.equals("false") || s.equals("0")) {
+           return false;
+        }
+        return true;
+    }
+
+    public synchronized boolean addLogger(Logger logger) {
+        String name = logger.getName();
+        if (namedLoggers.containsKey(name)) {
+            return false;
+        }
+        namedLoggers.put(name, logger);
+        // set level
+        if (props.get(name + ".level") != null) {
+            logger.setLevel(Level.parse(props.getProperty(name + ".level")));
+        }
+        // add handlers
+        if (props.get(name + ".handlers") != null && logger.getHandlers().length == 0) {
+            logger.addHandler(new CustomHandler());
+        }
+        if (!useParentHandlers(name)) {
+            logger.setUseParentHandlers(false);
+        }
+        // add parent loggers
+        int ix = 1;
+        for (;;) {
+            int ix2 = name.indexOf(".", ix);
+            if (ix2 < 0) {
+                break;
+            }
+            String pname = name.substring(0, ix2);
+            if (props.get(pname + ".level") != null ||
+                props.get(pname + ".handlers") != null) {
+                // This pname has a level/handlers definition.
+                // Make sure it exists.
+                //
+                // The test doesn't set the parent for simplicity.
+                if (!namedLoggers.containsKey(pname)) {
+                    Logger parent = Logger.getLogger(pname);
+                    if (!useParentHandlers(pname)) {
+                        parent.setUseParentHandlers(false);
+                    }
+                }
+            }
+            ix = ix2 + 1;
+        }
+        return true;
+    }
+
+    public synchronized Logger getLogger(String name) {
+        return namedLoggers.get(name);
+    }
+
+    public synchronized Enumeration<String> getLoggerNames() {
+        return Collections.enumeration(namedLoggers.keySet());
+    }
+
+    public String getProperty(String name) {
+        return props.getProperty(name);
+    }
+
+    public void readConfiguration() {
+        // do nothing
+    }
+
+    public void readConfiguration(InputStream ins) {
+        // do nothing
+    }
+
+    private Properties initConfig() {
+        Properties props = new Properties();
+        props.put(".level", "CONFIG");
+        props.put("CustomLogManagerTest.level", "WARNING");
+        props.put("CustomLogManagerTest.handlers", "CustomLogManager$CustomHandler");
+        props.put("SimpleLogManager.level", "INFO");
+        props.put("SimpleLogManager.handlers", "CustomLogManager$CustomHandler");
+        props.put("CustomLogManager$CustomHandler.level", "WARNING");
+        props.put(".handlers", "CustomLogManager$CustomHandler");
+        props.put("org.foo.bar.level", "SEVERE");
+        props.put("org.foo.bar.useParentHandlers", "true");
+        props.put("org.foo.handlers", "CustomLogManager$CustomHandler");
+        props.put("org.foo.useParentHandlers", "false");
+        props.put("org.openjdk.level", "SEVERE");
+        props.put("org.openjdk.handlers", "CustomLogManager$CustomHandler");
+        props.put("org.openjdk.core.level", "INFO");
+        props.put("org.openjdk.core.useParentHandlers", "false");
+
+        return props;
+    }
+    public static void checkLogger(String name) {
+        checkLogger(name, null);
+    }
+
+    public static void checkLogger(String name, String resourceBundleName) {
+        Logger logger = INSTANCE.getLogger(name);
+        if (logger == null) {
+            throw new RuntimeException("Logger \"" + name + "\" not exist");
+        }
+        System.out.format("Logger \"%s\" level=%s handlers=%s resourcebundle=%s useParentHandlers=%s%n",
+            name, logger.getLevel(),
+            Arrays.toString(logger.getHandlers()),
+            logger.getResourceBundleName(),
+            logger.getUseParentHandlers());
+        String rb = logger.getResourceBundleName();
+        if (rb != resourceBundleName && (rb == null || rb.equals(resourceBundleName))) {
+            throw new RuntimeException("Logger \"" + name +
+                "\" unexpected resource bundle: " + rb);
+        }
+
+        String value = INSTANCE.getProperty(name + ".level");
+        String level = logger.getLevel() != null ? logger.getLevel().getName() : null;
+        if (level != value && (level == null || level.equals(value))) {
+            throw new RuntimeException("Logger \"" + name + "\" unexpected level: " + level);
+        }
+
+        Handler[] handlers = logger.getHandlers();
+        String hdl = INSTANCE.getProperty(name + ".handlers");
+        if ((hdl == null && handlers.length != 0) ||
+            (hdl != null && handlers.length != 1)) {
+            throw new RuntimeException("Logger \"" + name + "\" unexpected handler: " +
+                Arrays.toString(handlers));
+        }
+
+        String s = INSTANCE.getProperty(name + ".useParentHandlers");
+        boolean uph = (s != null && s.equals("false")) ? false : true;
+        if (logger.getUseParentHandlers() != uph) {
+            throw new RuntimeException("Logger \"" + name + "\" unexpected useParentHandlers: " +
+                logger.getUseParentHandlers());
+        }
+        checkParents(name);
+    }
+
+    private static void checkParents(String name) {
+        int ix = 1;
+        for (;;) {
+            int ix2 = name.indexOf(".", ix);
+            if (ix2 < 0) {
+                break;
+            }
+            String pname = name.substring(0, ix2);
+            if (INSTANCE.getProperty(pname + ".level") != null ||
+                INSTANCE.getProperty(pname + ".handlers") != null) {
+                // This pname has a level/handlers definition.
+                // Make sure it exists.
+                checkLogger(pname);
+            }
+            ix = ix2 + 1;
+        }
+    }
+
+    // only CustomLogManager can create an instance of CustomHandler
+    private class CustomHandler extends StreamHandler {
+    }
+}