feat(jdk8): move files to new folder to avoid resources compiled.

jdkSrc/jdk8/com/sun/istack/internal/logging/Logger.java

@@ -0,0 +1,515 @@
+/*
+ * Copyright (c) 1997, 2012, 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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 com.sun.istack.internal.logging;
+
+import com.sun.istack.internal.NotNull;
+
+import java.util.StringTokenizer;
+import java.util.logging.Level;
+
+/**
+ * This is a helper class that provides some convenience methods wrapped around the
+ * standard {@link java.util.logging.Logger} interface.
+ *
+ * The class also makes sure that logger names of each Metro subsystem are consistent
+ * with each other.
+ *
+ * @author Marek Potociar <marek.potociar at sun.com>
+ * @author Fabian Ritzmann
+ */
+public class Logger {
+
+    private static final String WS_LOGGING_SUBSYSTEM_NAME_ROOT = "com.sun.metro";
+    private static final String ROOT_WS_PACKAGE = "com.sun.xml.internal.ws.";
+    //
+    private static final Level METHOD_CALL_LEVEL_VALUE = Level.FINEST;
+    //
+    private final String componentClassName;
+    private final java.util.logging.Logger logger;
+
+    /**
+     * Prevents creation of a new instance of this Logger unless used by a subclass.
+     */
+    protected Logger(final String systemLoggerName, final String componentName) {
+        this.componentClassName = "[" + componentName + "] ";
+        this.logger = java.util.logging.Logger.getLogger(systemLoggerName);
+    }
+
+    /**
+     * <p>
+     * The factory method returns preconfigured Logger wrapper for the class. Method calls
+     * {@link #getSystemLoggerName(java.lang.Class)} to generate default logger name.
+     * </p>
+     * <p>
+     * Since there is no caching implemented, it is advised that the method is called only once
+     * per a class in order to initialize a final static logger variable, which is then used
+     * through the class to perform actual logging tasks.
+     * </p>
+     *
+     * @param componentClass class of the component that will use the logger instance. Must not be {@code null}.
+     * @return logger instance preconfigured for use with the component
+     * @throws NullPointerException if the componentClass parameter is {@code null}.
+     */
+    public static @NotNull Logger getLogger(final @NotNull Class<?> componentClass) {
+        return new Logger(getSystemLoggerName(componentClass), componentClass.getName());
+    }
+
+    /**
+     * The factory method returns preconfigured Logger wrapper for the class. Since there is no caching implemented,
+     * it is advised that the method is called only once per a class in order to initialize a final static logger variable,
+     * which is then used through the class to perform actual logging tasks.
+     *
+     * This method should be only used in a special cases when overriding of a default logger name derived from the
+     * package of the component class is needed. For all common use cases please use {@link #getLogger(java.lang.Class)}
+     * method.
+     *
+     * @param customLoggerName custom name of the logger.
+     * @param componentClass class of the component that will use the logger instance. Must not be {@code null}.
+     * @return logger instance preconfigured for use with the component
+     * @throws NullPointerException if the componentClass parameter is {@code null}.
+     *
+     * @see #getLogger(java.lang.Class)
+     */
+    public static @NotNull Logger getLogger(final @NotNull String customLoggerName, final @NotNull Class<?> componentClass) {
+        return new Logger(customLoggerName, componentClass.getName());
+    }
+
+    /**
+     * Calculates the subsystem suffix based on the package of the component class
+     * @param componentClass class of the component that will use the logger instance. Must not be {@code null}.
+     * @return system logger name for the given {@code componentClass} instance
+     */
+    static final String getSystemLoggerName(@NotNull Class<?> componentClass) {
+        StringBuilder sb = new StringBuilder(componentClass.getPackage().getName());
+        final int lastIndexOfWsPackage = sb.lastIndexOf(ROOT_WS_PACKAGE);
+        if (lastIndexOfWsPackage > -1) {
+            sb.replace(0, lastIndexOfWsPackage + ROOT_WS_PACKAGE.length(), "");
+
+            StringTokenizer st = new StringTokenizer(sb.toString(), ".");
+            sb = new StringBuilder(WS_LOGGING_SUBSYSTEM_NAME_ROOT).append(".");
+            if (st.hasMoreTokens()) {
+                String token = st.nextToken();
+                if ("api".equals(token)) {
+                    token = st.nextToken();
+                }
+                sb.append(token);
+            }
+        }
+
+        return sb.toString();
+    }
+
+    public void log(final Level level, final String message) {
+        if (!this.logger.isLoggable(level)) {
+            return;
+        }
+        logger.logp(level, componentClassName, getCallerMethodName(), message);
+    }
+
+    public void log(final Level level, final String message, Object param1) {
+        if (!this.logger.isLoggable(level)) {
+            return;
+        }
+        logger.logp(level, componentClassName, getCallerMethodName(), message, param1);
+    }
+
+    public void log(final Level level, final String message, Object[] params) {
+        if (!this.logger.isLoggable(level)) {
+            return;
+        }
+        logger.logp(level, componentClassName, getCallerMethodName(), message, params);
+    }
+
+    public void log(final Level level, final String message, final Throwable thrown) {
+        if (!this.logger.isLoggable(level)) {
+            return;
+        }
+        logger.logp(level, componentClassName, getCallerMethodName(), message, thrown);
+    }
+
+    public void finest(final String message) {
+        if (!this.logger.isLoggable(Level.FINEST)) {
+            return;
+        }
+        logger.logp(Level.FINEST, componentClassName, getCallerMethodName(), message);
+    }
+
+    public void finest(final String message, Object[] params) {
+        if (!this.logger.isLoggable(Level.FINEST)) {
+            return;
+        }
+        logger.logp(Level.FINEST, componentClassName, getCallerMethodName(), message, params);
+    }
+
+    public void finest(final String message, final Throwable thrown) {
+        if (!this.logger.isLoggable(Level.FINEST)) {
+            return;
+        }
+        logger.logp(Level.FINEST, componentClassName, getCallerMethodName(), message, thrown);
+    }
+
+    public void finer(final String message) {
+        if (!this.logger.isLoggable(Level.FINER)) {
+            return;
+        }
+        logger.logp(Level.FINER, componentClassName, getCallerMethodName(), message);
+    }
+
+    public void finer(final String message, Object[] params) {
+        if (!this.logger.isLoggable(Level.FINER)) {
+            return;
+        }
+        logger.logp(Level.FINER, componentClassName, getCallerMethodName(), message, params);
+    }
+
+    public void finer(final String message, final Throwable thrown) {
+        if (!this.logger.isLoggable(Level.FINER)) {
+            return;
+        }
+        logger.logp(Level.FINER, componentClassName, getCallerMethodName(), message, thrown);
+    }
+
+    public void fine(final String message) {
+        if (!this.logger.isLoggable(Level.FINE)) {
+            return;
+        }
+        logger.logp(Level.FINE, componentClassName, getCallerMethodName(), message);
+    }
+
+    public void fine(final String message, final Throwable thrown) {
+        if (!this.logger.isLoggable(Level.FINE)) {
+            return;
+        }
+        logger.logp(Level.FINE, componentClassName, getCallerMethodName(), message, thrown);
+    }
+
+    public void info(final String message) {
+        if (!this.logger.isLoggable(Level.INFO)) {
+            return;
+        }
+        logger.logp(Level.INFO, componentClassName, getCallerMethodName(), message);
+    }
+
+    public void info(final String message, Object[] params) {
+        if (!this.logger.isLoggable(Level.INFO)) {
+            return;
+        }
+        logger.logp(Level.INFO, componentClassName, getCallerMethodName(), message, params);
+    }
+
+    public void info(final String message, final Throwable thrown) {
+        if (!this.logger.isLoggable(Level.INFO)) {
+            return;
+        }
+        logger.logp(Level.INFO, componentClassName, getCallerMethodName(), message, thrown);
+    }
+
+    public void config(final String message) {
+        if (!this.logger.isLoggable(Level.CONFIG)) {
+            return;
+        }
+        logger.logp(Level.CONFIG, componentClassName, getCallerMethodName(), message);
+    }
+
+    public void config(final String message, Object[] params) {
+        if (!this.logger.isLoggable(Level.CONFIG)) {
+            return;
+        }
+        logger.logp(Level.CONFIG, componentClassName, getCallerMethodName(), message, params);
+    }
+
+    public void config(final String message, final Throwable thrown) {
+        if (!this.logger.isLoggable(Level.CONFIG)) {
+            return;
+        }
+        logger.logp(Level.CONFIG, componentClassName, getCallerMethodName(), message, thrown);
+    }
+
+    public void warning(final String message) {
+        if (!this.logger.isLoggable(Level.WARNING)) {
+            return;
+        }
+        logger.logp(Level.WARNING, componentClassName, getCallerMethodName(), message);
+    }
+
+    public void warning(final String message, Object[] params) {
+        if (!this.logger.isLoggable(Level.WARNING)) {
+            return;
+        }
+        logger.logp(Level.WARNING, componentClassName, getCallerMethodName(), message, params);
+    }
+
+    public void warning(final String message, final Throwable thrown) {
+        if (!this.logger.isLoggable(Level.WARNING)) {
+            return;
+        }
+        logger.logp(Level.WARNING, componentClassName, getCallerMethodName(), message, thrown);
+    }
+
+    public void severe(final String message) {
+        if (!this.logger.isLoggable(Level.SEVERE)) {
+            return;
+        }
+        logger.logp(Level.SEVERE, componentClassName, getCallerMethodName(), message);
+    }
+
+    public void severe(final String message, Object[] params) {
+        if (!this.logger.isLoggable(Level.SEVERE)) {
+            return;
+        }
+        logger.logp(Level.SEVERE, componentClassName, getCallerMethodName(), message, params);
+    }
+
+    public void severe(final String message, final Throwable thrown) {
+        if (!this.logger.isLoggable(Level.SEVERE)) {
+            return;
+        }
+        logger.logp(Level.SEVERE, componentClassName, getCallerMethodName(), message, thrown);
+    }
+
+    public boolean isMethodCallLoggable() {
+        return this.logger.isLoggable(METHOD_CALL_LEVEL_VALUE);
+    }
+
+    public boolean isLoggable(final Level level) {
+        return this.logger.isLoggable(level);
+    }
+
+    public void setLevel(final Level level) {
+        this.logger.setLevel(level);
+    }
+
+    public void entering() {
+        if (!this.logger.isLoggable(METHOD_CALL_LEVEL_VALUE)) {
+            return;
+        }
+
+        logger.entering(componentClassName, getCallerMethodName());
+    }
+
+    public void entering(final Object... parameters) {
+        if (!this.logger.isLoggable(METHOD_CALL_LEVEL_VALUE)) {
+            return;
+        }
+
+        logger.entering(componentClassName, getCallerMethodName(), parameters);
+    }
+
+    public void exiting() {
+        if (!this.logger.isLoggable(METHOD_CALL_LEVEL_VALUE)) {
+            return;
+        }
+        logger.exiting(componentClassName, getCallerMethodName());
+    }
+
+    public void exiting(final Object result) {
+        if (!this.logger.isLoggable(METHOD_CALL_LEVEL_VALUE)) {
+            return;
+        }
+        logger.exiting(componentClassName, getCallerMethodName(), result);
+    }
+
+    /**
+     * Method logs {@code exception}'s message as a {@code SEVERE} logging level
+     * message.
+     * <p/>
+     * If {@code cause} parameter is not {@code null}, it is logged as well and
+     * {@code exception} original cause is initialized with instance referenced
+     * by {@code cause} parameter.
+     *
+     * @param exception exception whose message should be logged. Must not be
+     *        {@code null}.
+     * @param cause initial cause of the exception that should be logged as well
+     *        and set as {@code exception}'s original cause. May be {@code null}.
+     * @return the same exception instance that was passed in as the {@code exception}
+     *         parameter.
+     */
+    public <T extends Throwable> T logSevereException(final T exception, final Throwable cause) {
+        if (this.logger.isLoggable(Level.SEVERE)) {
+            if (cause == null) {
+                logger.logp(Level.SEVERE, componentClassName, getCallerMethodName(), exception.getMessage());
+            } else {
+                exception.initCause(cause);
+                logger.logp(Level.SEVERE, componentClassName, getCallerMethodName(), exception.getMessage(), cause);
+            }
+        }
+
+        return exception;
+    }
+
+    /**
+     * Method logs {@code exception}'s message as a {@code SEVERE} logging level
+     * message.
+     * <p/>
+     * If {@code logCause} parameter is {@code true}, {@code exception}'s original
+     * cause is logged as well (if exists). This may be used in cases when
+     * {@code exception}'s class provides constructor to initialize the original
+     * cause. In such case you do not need to use
+     * {@link #logSevereException(Throwable, Throwable)}
+     * method version but you might still want to log the original cause as well.
+     *
+     * @param exception exception whose message should be logged. Must not be
+     *        {@code null}.
+     * @param logCause deterimnes whether initial cause of the exception should
+     *        be logged as well
+     * @return the same exception instance that was passed in as the {@code exception}
+     *         parameter.
+     */
+    public <T extends Throwable> T logSevereException(final T exception, final boolean logCause) {
+        if (this.logger.isLoggable(Level.SEVERE)) {
+            if (logCause && exception.getCause() != null) {
+                logger.logp(Level.SEVERE, componentClassName, getCallerMethodName(), exception.getMessage(), exception.getCause());
+            } else {
+                logger.logp(Level.SEVERE, componentClassName, getCallerMethodName(), exception.getMessage());
+            }
+        }
+
+        return exception;
+    }
+
+    /**
+     * Same as {@link #logSevereException(Throwable, boolean) logSevereException(exception, true)}.
+     */
+    public <T extends Throwable> T logSevereException(final T exception) {
+        if (this.logger.isLoggable(Level.SEVERE)) {
+            if (exception.getCause() == null) {
+                logger.logp(Level.SEVERE, componentClassName, getCallerMethodName(), exception.getMessage());
+            } else {
+                logger.logp(Level.SEVERE, componentClassName, getCallerMethodName(), exception.getMessage(), exception.getCause());
+            }
+        }
+
+        return exception;
+    }
+
+    /**
+     * Method logs {@code exception}'s message at the logging level specified by the
+     * {@code level} argument.
+     * <p/>
+     * If {@code cause} parameter is not {@code null}, it is logged as well and
+     * {@code exception} original cause is initialized with instance referenced
+     * by {@code cause} parameter.
+     *
+     * @param exception exception whose message should be logged. Must not be
+     *        {@code null}.
+     * @param cause initial cause of the exception that should be logged as well
+     *        and set as {@code exception}'s original cause. May be {@code null}.
+     * @param level loging level which should be used for logging
+     * @return the same exception instance that was passed in as the {@code exception}
+     *         parameter.
+     */
+    public <T extends Throwable> T logException(final T exception, final Throwable cause, final Level level) {
+        if (this.logger.isLoggable(level)) {
+            if (cause == null) {
+                logger.logp(level, componentClassName, getCallerMethodName(), exception.getMessage());
+            } else {
+                exception.initCause(cause);
+                logger.logp(level, componentClassName, getCallerMethodName(), exception.getMessage(), cause);
+            }
+        }
+
+        return exception;
+    }
+
+    /**
+     * Method logs {@code exception}'s message at the logging level specified by the
+     * {@code level} argument.
+     * <p/>
+     * If {@code logCause} parameter is {@code true}, {@code exception}'s original
+     * cause is logged as well (if exists). This may be used in cases when
+     * {@code exception}'s class provides constructor to initialize the original
+     * cause. In such case you do not need to use
+     * {@link #logException(Throwable, Throwable, Level) logException(exception, cause, level)}
+     * method version but you might still want to log the original cause as well.
+     *
+     * @param exception exception whose message should be logged. Must not be
+     *        {@code null}.
+     * @param logCause deterimnes whether initial cause of the exception should
+     *        be logged as well
+     * @param level loging level which should be used for logging
+     * @return the same exception instance that was passed in as the {@code exception}
+     *         parameter.
+     */
+    public <T extends Throwable> T logException(final T exception, final boolean logCause, final Level level) {
+        if (this.logger.isLoggable(level)) {
+            if (logCause && exception.getCause() != null) {
+                logger.logp(level, componentClassName, getCallerMethodName(), exception.getMessage(), exception.getCause());
+            } else {
+                logger.logp(level, componentClassName, getCallerMethodName(), exception.getMessage());
+            }
+        }
+
+        return exception;
+    }
+
+    /**
+     * Same as {@link #logException(Throwable, Throwable, Level)
+     * logException(exception, true, level)}.
+     */
+    public <T extends Throwable> T logException(final T exception, final Level level) {
+        if (this.logger.isLoggable(level)) {
+            if (exception.getCause() == null) {
+                logger.logp(level, componentClassName, getCallerMethodName(), exception.getMessage());
+            } else {
+                logger.logp(level, componentClassName, getCallerMethodName(), exception.getMessage(), exception.getCause());
+            }
+        }
+
+        return exception;
+    }
+
+    /**
+     * Function returns the name of the caller method for the method executing this
+     * function.
+     *
+     * @return caller method name from the call stack of the current {@link Thread}.
+     */
+    private static String getCallerMethodName() {
+        return getStackMethodName(5);
+    }
+
+    /**
+     * Method returns the name of the method that is on the {@code methodIndexInStack}
+     * position in the call stack of the current {@link Thread}.
+     *
+     * @param methodIndexInStack index to the call stack to get the method name for.
+     * @return the name of the method that is on the {@code methodIndexInStack}
+     *         position in the call stack of the current {@link Thread}.
+     */
+    private static String getStackMethodName(final int methodIndexInStack) {
+        final String methodName;
+
+        final StackTraceElement[] stack = Thread.currentThread().getStackTrace();
+        if (stack.length > methodIndexInStack + 1) {
+            methodName = stack[methodIndexInStack].getMethodName();
+        } else {
+            methodName = "UNKNOWN METHOD";
+        }
+
+        return methodName;
+    }
+
+}