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The HuaweiCloud OBS Bundle SDK for Java used for accessing Object Storage Service, this SDK bundle
includes third-party libraries and relocated to different namespaces
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/**
* Copyright 2019 Huawei Technologies Co.,Ltd.
* 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.obs.services.internal.utils;
import com.obs.log.ILogger;
import com.obs.log.LoggerBuilder;
import java.lang.ref.SoftReference;
import java.text.SimpleDateFormat;
import java.util.Date;
public class AccessLoggerUtils {
private static final ILogger ACCESS_LOG = LoggerBuilder.getLogger("com.obs.log.AccessLogger");
private static final ThreadLocal THREADLOCAL_LOG = new ThreadLocal();
private static final ThreadLocal> DATE_FORMAT_HOLDER =
new ThreadLocal>();
private static final int INDEX = 5;
public static volatile boolean accesslogEnabled = true;
private static String getLogPrefix() {
if (!accesslogEnabled) {
return "";
}
StackTraceElement[] stacktraces = Thread.currentThread().getStackTrace();
StackTraceElement stacktrace = null;
if (stacktraces.length > INDEX) {
stacktrace = stacktraces[INDEX];
} else {
stacktrace = stacktraces[stacktraces.length - 1];
}
return new StringBuilder().append(stacktrace.getClassName()).append("|").append(stacktrace.getMethodName())
.append("|line:").append(stacktrace.getLineNumber()).append("|").toString();
}
private static StringBuilder getLog() {
StringBuilder logSb = THREADLOCAL_LOG.get();
if (logSb == null) {
logSb = new StringBuilder();
THREADLOCAL_LOG.set(logSb);
}
return logSb;
}
public static void appendLog(Object log, String level) {
if (!accesslogEnabled) {
return;
}
Boolean isLog = false;
if ("info".equalsIgnoreCase(level)) {
isLog = ACCESS_LOG.isInfoEnabled();
} else if ("debug".equalsIgnoreCase(level)) {
isLog = ACCESS_LOG.isDebugEnabled();
} else if ("warn".equalsIgnoreCase(level)) {
isLog = ACCESS_LOG.isWarnEnabled();
} else if ("error".equalsIgnoreCase(level)) {
isLog = ACCESS_LOG.isErrorEnabled();
} else if ("trace".equalsIgnoreCase(level)) {
isLog = ACCESS_LOG.isTraceEnabled();
}
if (isLog) {
StringBuilder sb = new StringBuilder(getFormat().format(new Date()));
sb.append("|").append(Thread.currentThread().getName())
.append("|").append(level)
.append("|").append(AccessLoggerUtils.getLogPrefix())
.append(log.toString()).append("\n");
getLog().append(sb.toString());
}
}
public static SimpleDateFormat getFormat() {
SoftReference holder = DATE_FORMAT_HOLDER.get();
SimpleDateFormat format;
if (holder == null || ((format = holder.get()) == null)) {
format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss SSS");
holder = new SoftReference(format);
DATE_FORMAT_HOLDER.set(holder);
}
return format;
}
public static void printLog() {
if (!accesslogEnabled) {
return;
}
String message = getLog().toString();
if (ServiceUtils.isValid(message)) {
ACCESS_LOG.accessRecord(message);
}
THREADLOCAL_LOG.remove();
}
}
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