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c458c05801
The dark lord Gosling designed the Java package naming system so that ownership flows from the DNS system. Since we own the domain name registry.google, it seems only appropriate that we should use google.registry as our package name.
114 lines
3.4 KiB
Java
114 lines
3.4 KiB
Java
// Copyright 2016 The Domain Registry Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package google.registry.util;
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import static java.util.Arrays.asList;
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import com.google.common.base.Predicate;
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import com.google.common.collect.FluentIterable;
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import java.util.logging.Handler;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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/** Logging wrapper. */
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public class FormattingLogger {
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private final Logger logger;
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/** Returns an instance using the caller's class name for the underlying logger's name. */
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public static FormattingLogger getLoggerForCallerClass() {
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return new FormattingLogger(new Exception().getStackTrace()[1].getClassName());
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}
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private FormattingLogger(String name) {
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this.logger = Logger.getLogger(name);
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}
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private void log(Level level, Throwable cause, String msg) {
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StackTraceElement callerFrame = FluentIterable
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.from(asList(new Exception().getStackTrace()))
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.firstMatch(new Predicate<StackTraceElement>() {
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@Override
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public boolean apply(StackTraceElement frame) {
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return !frame.getClassName().equals(FormattingLogger.class.getName());
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}}).get();
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if (cause == null) {
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logger.logp(level, callerFrame.getClassName(), callerFrame.getMethodName(), msg);
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} else {
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logger.logp(level, callerFrame.getClassName(), callerFrame.getMethodName(), msg, cause);
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}
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}
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public void finefmt(String fmt, Object... args) {
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log(Level.FINE, null, String.format(fmt, args));
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}
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public void info(String msg) {
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log(Level.INFO, null, msg);
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}
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public void info(Throwable cause, String msg) {
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log(Level.INFO, cause, msg);
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}
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public void infofmt(String fmt, Object... args) {
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log(Level.INFO, null, String.format(fmt, args));
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}
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public void infofmt(Throwable cause, String fmt, Object... args) {
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log(Level.INFO, cause, String.format(fmt, args));
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}
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public void warning(String msg) {
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log(Level.WARNING, null, msg);
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}
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public void warning(Throwable cause, String msg) {
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log(Level.WARNING, cause, msg);
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}
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public void warningfmt(String fmt, Object... args) {
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log(Level.WARNING, null, String.format(fmt, args));
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}
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public void warningfmt(Throwable cause, String fmt, Object... args) {
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log(Level.WARNING, cause, String.format(fmt, args));
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}
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public void severe(String msg) {
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log(Level.SEVERE, null, msg);
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}
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public void severe(Throwable cause, String msg) {
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log(Level.SEVERE, cause, msg);
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}
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public void severefmt(String fmt, Object... args) {
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log(Level.SEVERE, null, String.format(fmt, args));
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}
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public void severefmt(Throwable cause, String fmt, Object... args) {
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log(Level.SEVERE, cause, String.format(fmt, args));
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}
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public void addHandler(Handler handler) {
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logger.addHandler(handler);
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}
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public void removeHandler(Handler handler) {
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logger.removeHandler(handler);
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}
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}
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