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com.microsoft.azure.storage.core.Logger Maven / Gradle / Ivy
/**
* Copyright Microsoft Corporation
*
* 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 com.microsoft.azure.storage.core;
import org.slf4j.LoggerFactory;
import com.microsoft.azure.storage.OperationContext;
/**
* RESERVED FOR INTERNAL USE.
*
* A wrapper around a {@link org.slf4j.Logger} object which allows for performance optimizations around string
* formatting, better formatted log descriptions, and more library control over when to log.
*/
public class Logger {
public static void debug(OperationContext opContext, String format) {
if (shouldLog(opContext)) {
org.slf4j.Logger logger = opContext == null ? LoggerFactory.getLogger(OperationContext.defaultLoggerName)
: opContext.getLogger();
if (logger.isDebugEnabled()) {
logger.debug(formatLogEntry(opContext, format));
}
}
}
public static void debug(OperationContext opContext, String format, Object... args) {
if (shouldLog(opContext)) {
org.slf4j.Logger logger = opContext == null ? LoggerFactory.getLogger(OperationContext.defaultLoggerName)
: opContext.getLogger();
if (logger.isDebugEnabled()) {
logger.debug(formatLogEntry(opContext, format, args));
}
}
}
public static void debug(OperationContext opContext, String format, Object arg1) {
if (shouldLog(opContext)) {
org.slf4j.Logger logger = opContext == null ? LoggerFactory.getLogger(OperationContext.defaultLoggerName)
: opContext.getLogger();
if (logger.isDebugEnabled()) {
logger.debug(formatLogEntry(opContext, format, arg1));
}
}
}
public static void debug(OperationContext opContext, String format, Object arg1, Object arg2) {
if (shouldLog(opContext)) {
org.slf4j.Logger logger = opContext == null ? LoggerFactory.getLogger(OperationContext.defaultLoggerName)
: opContext.getLogger();
if (logger.isDebugEnabled()) {
logger.debug(formatLogEntry(opContext, format, arg1, arg2));
}
}
}
public static void error(OperationContext opContext, String format) {
if (shouldLog(opContext)) {
org.slf4j.Logger logger = opContext == null ? LoggerFactory.getLogger(OperationContext.defaultLoggerName)
: opContext.getLogger();
if (logger.isErrorEnabled()) {
logger.error(formatLogEntry(opContext, format));
}
}
}
public static void error(OperationContext opContext, String format, Object... args) {
if (shouldLog(opContext)) {
org.slf4j.Logger logger = opContext == null ? LoggerFactory.getLogger(OperationContext.defaultLoggerName)
: opContext.getLogger();
if (logger.isErrorEnabled()) {
logger.error(formatLogEntry(opContext, format, args));
}
}
}
public static void error(OperationContext opContext, String format, Object arg1) {
if (shouldLog(opContext)) {
org.slf4j.Logger logger = opContext == null ? LoggerFactory.getLogger(OperationContext.defaultLoggerName)
: opContext.getLogger();
if (logger.isErrorEnabled()) {
logger.error(formatLogEntry(opContext, format, arg1));
}
}
}
public static void error(OperationContext opContext, String format, Object args1, Object args2) {
if (shouldLog(opContext)) {
org.slf4j.Logger logger = opContext == null ? LoggerFactory.getLogger(OperationContext.defaultLoggerName)
: opContext.getLogger();
if (logger.isErrorEnabled()) {
logger.error(formatLogEntry(opContext, format, args1, args2));
}
}
}
public static void info(OperationContext opContext, String format) {
if (shouldLog(opContext)) {
org.slf4j.Logger logger = opContext == null ? LoggerFactory.getLogger(OperationContext.defaultLoggerName)
: opContext.getLogger();
if (logger.isInfoEnabled()) {
logger.info(formatLogEntry(opContext, format));
}
}
}
public static void info(OperationContext opContext, String format, Object... args) {
if (shouldLog(opContext)) {
org.slf4j.Logger logger = opContext == null ? LoggerFactory.getLogger(OperationContext.defaultLoggerName)
: opContext.getLogger();
if (logger.isInfoEnabled()) {
logger.info(formatLogEntry(opContext, format, args));
}
}
}
public static void info(OperationContext opContext, String format, Object arg1) {
if (shouldLog(opContext)) {
org.slf4j.Logger logger = opContext == null ? LoggerFactory.getLogger(OperationContext.defaultLoggerName)
: opContext.getLogger();
if (logger.isInfoEnabled()) {
logger.info(formatLogEntry(opContext, format, arg1));
}
}
}
public static void info(OperationContext opContext, String format, Object arg1, Object arg2) {
if (shouldLog(opContext)) {
org.slf4j.Logger logger = opContext == null ? LoggerFactory.getLogger(OperationContext.defaultLoggerName)
: opContext.getLogger();
if (logger.isInfoEnabled()) {
logger.info(formatLogEntry(opContext, format, arg1, arg2));
}
}
}
public static void trace(OperationContext opContext, String format) {
if (shouldLog(opContext)) {
org.slf4j.Logger logger = opContext == null ? LoggerFactory.getLogger(OperationContext.defaultLoggerName)
: opContext.getLogger();
if (logger.isTraceEnabled()) {
logger.trace(formatLogEntry(opContext, format));
}
}
}
public static void trace(OperationContext opContext, String format, Object... args) {
if (shouldLog(opContext)) {
org.slf4j.Logger logger = opContext == null ? LoggerFactory.getLogger(OperationContext.defaultLoggerName)
: opContext.getLogger();
if (logger.isTraceEnabled()) {
logger.trace(formatLogEntry(opContext, format, args));
}
}
}
public static void trace(OperationContext opContext, String format, Object arg1) {
if (shouldLog(opContext)) {
org.slf4j.Logger logger = opContext == null ? LoggerFactory.getLogger(OperationContext.defaultLoggerName)
: opContext.getLogger();
if (logger.isTraceEnabled()) {
logger.trace(formatLogEntry(opContext, format, arg1));
}
}
}
public static void trace(OperationContext opContext, String format, Object arg1, Object arg2) {
if (shouldLog(opContext)) {
org.slf4j.Logger logger = opContext == null ? LoggerFactory.getLogger(OperationContext.defaultLoggerName)
: opContext.getLogger();
if (logger.isTraceEnabled()) {
logger.trace(formatLogEntry(opContext, format, arg1, arg2));
}
}
}
public static void warn(OperationContext opContext, String format) {
if (shouldLog(opContext)) {
org.slf4j.Logger logger = opContext == null ? LoggerFactory.getLogger(OperationContext.defaultLoggerName)
: opContext.getLogger();
if (logger.isWarnEnabled()) {
logger.warn(formatLogEntry(opContext, format));
}
}
}
public static void warn(OperationContext opContext, String format, Object... args) {
if (shouldLog(opContext)) {
org.slf4j.Logger logger = opContext == null ? LoggerFactory.getLogger(OperationContext.defaultLoggerName)
: opContext.getLogger();
if (logger.isWarnEnabled()) {
logger.warn(formatLogEntry(opContext, format, args));
}
}
}
public static void warn(OperationContext opContext, String format, Object arg1) {
if (shouldLog(opContext)) {
org.slf4j.Logger logger = opContext == null ? LoggerFactory.getLogger(OperationContext.defaultLoggerName)
: opContext.getLogger();
if (logger.isWarnEnabled()) {
logger.warn(formatLogEntry(opContext, format, arg1));
}
}
}
public static void warn(OperationContext opContext, String format, Object arg1, Object arg2) {
if (shouldLog(opContext)) {
org.slf4j.Logger logger = opContext == null ? LoggerFactory.getLogger(OperationContext.defaultLoggerName)
: opContext.getLogger();
if (logger.isWarnEnabled()) {
logger.warn(formatLogEntry(opContext, format, arg1, arg2));
}
}
}
public static boolean shouldLog(OperationContext opContext) {
if (opContext != null) {
return opContext.isLoggingEnabled();
}
else {
return OperationContext.isLoggingEnabledByDefault();
}
}
private static String formatLogEntry(OperationContext opContext, String format) {
return String.format("{%s}: {%s}", (opContext == null) ? "*" : opContext.getClientRequestID(),
format.replace('\n', '.'));
}
private static String formatLogEntry(OperationContext opContext, String format, Object... args) {
return String.format("{%s}: {%s}", (opContext == null) ? "*" : opContext.getClientRequestID(),
String.format(format, args).replace('\n', '.'));
}
private static String formatLogEntry(OperationContext opContext, String format, Object arg1) {
return String.format("{%s}: {%s}", (opContext == null) ? "*" : opContext.getClientRequestID(),
String.format(format, arg1).replace('\n', '.'));
}
private static String formatLogEntry(OperationContext opContext, String format, Object arg1, Object arg2) {
return String.format("{%s}: {%s}", (opContext == null) ? "*" : opContext.getClientRequestID(),
String.format(format, arg1, arg2).replace('\n', '.'));
}
private Logger() {
// no op constructor
// prevents accidental instantiation
}
}
