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authorAnton Tananaev <anton.tananaev@gmail.com>2019-03-31 22:35:39 -0700
committerAnton Tananaev <anton.tananaev@gmail.com>2019-03-31 22:35:39 -0700
commit59416923dcb3a756eaf532cc4259f2f6625c0762 (patch)
tree9082dae6616deac8fda432b7bfd80e4a52b6d9dc /src/main/java/org/traccar/helper/Log.java
parent79a129dd6327d932133d6b9a50190d3f4927bff9 (diff)
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Convert project to gradle
Diffstat (limited to 'src/main/java/org/traccar/helper/Log.java')
-rw-r--r--src/main/java/org/traccar/helper/Log.java265
1 files changed, 265 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/helper/Log.java b/src/main/java/org/traccar/helper/Log.java
new file mode 100644
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--- /dev/null
+++ b/src/main/java/org/traccar/helper/Log.java
@@ -0,0 +1,265 @@
+/*
+ * Copyright 2012 - 2019 Anton Tananaev (anton@traccar.org)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.traccar.helper;
+
+import org.traccar.config.Config;
+
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStreamWriter;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.io.Writer;
+import java.net.URL;
+import java.nio.charset.StandardCharsets;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.logging.ConsoleHandler;
+import java.util.logging.Formatter;
+import java.util.logging.Handler;
+import java.util.logging.Level;
+import java.util.logging.LogRecord;
+import java.util.logging.Logger;
+
+public final class Log {
+
+ private Log() {
+ }
+
+ private static final String STACK_PACKAGE = "org.traccar";
+ private static final int STACK_LIMIT = 3;
+
+ private static class RollingFileHandler extends Handler {
+
+ private String name;
+ private String suffix;
+ private Writer writer;
+ private boolean rotate;
+
+ RollingFileHandler(String name, boolean rotate) {
+ this.name = name;
+ this.rotate = rotate;
+ }
+
+ @Override
+ public synchronized void publish(LogRecord record) {
+ if (isLoggable(record)) {
+ try {
+ String suffix = "";
+ if (rotate) {
+ suffix = new SimpleDateFormat("yyyyMMdd").format(new Date(record.getMillis()));
+ if (writer != null && !suffix.equals(this.suffix)) {
+ writer.close();
+ writer = null;
+ if (!new File(name).renameTo(new File(name + "." + this.suffix))) {
+ throw new RuntimeException("Log file renaming failed");
+ }
+ }
+ }
+ if (writer == null) {
+ this.suffix = suffix;
+ writer = new BufferedWriter(
+ new OutputStreamWriter(new FileOutputStream(name, true), StandardCharsets.UTF_8));
+ }
+ writer.write(getFormatter().format(record));
+ writer.flush();
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
+ }
+ }
+
+ @Override
+ public synchronized void flush() {
+ if (writer != null) {
+ try {
+ writer.flush();
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
+ }
+ }
+
+ @Override
+ public synchronized void close() throws SecurityException {
+ if (writer != null) {
+ try {
+ writer.close();
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
+ }
+ }
+
+ }
+
+ public static class LogFormatter extends Formatter {
+
+ private boolean fullStackTraces;
+
+ LogFormatter(boolean fullStackTraces) {
+ this.fullStackTraces = fullStackTraces;
+ }
+
+ private static String formatLevel(Level level) {
+ switch (level.getName()) {
+ case "FINEST":
+ return "TRACE";
+ case "FINER":
+ case "FINE":
+ case "CONFIG":
+ return "DEBUG";
+ case "INFO":
+ return "INFO";
+ case "WARNING":
+ return "WARN";
+ case "SEVERE":
+ default:
+ return "ERROR";
+ }
+ }
+
+ @Override
+ public String format(LogRecord record) {
+ StringBuilder message = new StringBuilder();
+
+ if (record.getMessage() != null) {
+ message.append(record.getMessage());
+ }
+
+ if (record.getThrown() != null) {
+ if (message.length() > 0) {
+ message.append(" - ");
+ }
+ if (fullStackTraces) {
+ StringWriter stringWriter = new StringWriter();
+ PrintWriter printWriter = new PrintWriter(stringWriter);
+ record.getThrown().printStackTrace(printWriter);
+ message.append(System.lineSeparator()).append(stringWriter.toString());
+ } else {
+ message.append(exceptionStack(record.getThrown()));
+ }
+ }
+
+ return String.format("%1$tF %1$tT %2$5s: %3$s%n",
+ new Date(record.getMillis()), formatLevel(record.getLevel()), message.toString());
+ }
+
+ }
+
+ public static void setupDefaultLogger() {
+ String path = null;
+ URL url = ClassLoader.getSystemClassLoader().getResource(".");
+ if (url != null) {
+ File jarPath = new File(url.getPath());
+ File logsPath = new File(jarPath, "logs");
+ if (!logsPath.exists() || !logsPath.isDirectory()) {
+ logsPath = jarPath;
+ }
+ path = new File(logsPath, "tracker-server.log").getPath();
+ }
+ setupLogger(path == null, path, Level.WARNING.getName(), false, true);
+ }
+
+ public static void setupLogger(Config config) {
+ setupLogger(
+ config.getBoolean("logger.console"),
+ config.getString("logger.file"),
+ config.getString("logger.level"),
+ config.getBoolean("logger.fullStackTraces"),
+ config.getBoolean("logger.rotate"));
+ }
+
+ private static void setupLogger(
+ boolean console, String file, String levelString, boolean fullStackTraces, boolean rotate) {
+
+ Logger rootLogger = Logger.getLogger("");
+ for (Handler handler : rootLogger.getHandlers()) {
+ rootLogger.removeHandler(handler);
+ }
+
+ Handler handler;
+ if (console) {
+ handler = new ConsoleHandler();
+ } else {
+ handler = new RollingFileHandler(file, rotate);
+ }
+
+ handler.setFormatter(new LogFormatter(fullStackTraces));
+
+ Level level = Level.parse(levelString.toUpperCase());
+ rootLogger.setLevel(level);
+ handler.setLevel(level);
+ handler.setFilter(record -> record != null && !record.getLoggerName().startsWith("sun"));
+
+ rootLogger.addHandler(handler);
+ }
+
+ public static String exceptionStack(Throwable exception) {
+ StringBuilder s = new StringBuilder();
+ String exceptionMsg = exception.getMessage();
+ if (exceptionMsg != null) {
+ s.append(exceptionMsg);
+ s.append(" - ");
+ }
+ s.append(exception.getClass().getSimpleName());
+ StackTraceElement[] stack = exception.getStackTrace();
+
+ if (stack.length > 0) {
+ int count = STACK_LIMIT;
+ boolean first = true;
+ boolean skip = false;
+ String file = "";
+ s.append(" (");
+ for (StackTraceElement element : stack) {
+ if (count > 0 && element.getClassName().startsWith(STACK_PACKAGE)) {
+ if (!first) {
+ s.append(" < ");
+ } else {
+ first = false;
+ }
+
+ if (skip) {
+ s.append("... < ");
+ skip = false;
+ }
+
+ if (file.equals(element.getFileName())) {
+ s.append("*");
+ } else {
+ file = element.getFileName();
+ s.append(file, 0, file.length() - 5); // remove ".java"
+ count -= 1;
+ }
+ s.append(":").append(element.getLineNumber());
+ } else {
+ skip = true;
+ }
+ }
+ if (skip) {
+ if (!first) {
+ s.append(" < ");
+ }
+ s.append("...");
+ }
+ s.append(")");
+ }
+ return s.toString();
+ }
+
+}