net.ymate.platform.commons.logger.AbstractLogger Maven / Gradle / Ivy
/*
* Copyright 2007-2107 the original author or authors.
*
* 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 net.ymate.platform.commons.logger;
import net.ymate.platform.base.YMP;
import net.ymate.platform.commons.i18n.I18N;
/**
*
* AbstractLogger
*
*
*
*
*
* @author 刘镇([email protected])
* @version 0.0.0
*
*
* 版本号 动作 修改人 修改时间
*
*
*
* 0.0.0
* 创建类
* 刘镇
* 2012-12-21下午12:27:37
*
*
*/
public abstract class AbstractLogger implements ILogger {
protected static boolean __IS_INITED;
/** 当前输出日志过滤级别 */
protected LogLevel level;
/** 是否输出到windows的命令行 */
protected boolean isPrintConsole = false;
/** 是否启用调用者信息输出 */
protected boolean enableCallerInfo = true;
/** 调用者深度 */
protected int callerDeepth;
protected String loggerName;
/* (non-Javadoc)
* @see net.ymate.platform.commons.logger.ILogger#getLevel()
*/
public LogLevel getLevel() {
return level;
}
/* (non-Javadoc)
* @see net.ymate.platform.commons.logger.ILogger#setLevel(net.ymate.platform.commons.logger.ILogger.LogLevel)
*/
public void setLevel(LogLevel level) {
if (level != null) {
this.level = level;
} else {
this.level = LogLevel.ALL;
}
}
/* (non-Javadoc)
* @see net.ymate.platform.commons.logger.ILogger#switchPrintConsole(boolean)
*/
public void switchPrintConsole(boolean isPrint) {
isPrintConsole = isPrint;
if (!isPrintConsole) {
System.err.println(I18N.formatMessage(YMP.__LSTRING_FILE, null, null, "ymp.commons.logger_switch_without_console", loggerName));
}
}
/* (non-Javadoc)
* @see net.ymate.platform.commons.logger.ILogger#switchLogCallerInfo(boolean)
*/
public void switchLogCallerInfo(boolean enable) {
enableCallerInfo = enable;
}
/* (non-Javadoc)
* @see net.ymate.platform.commons.logger.ILogger#setLogCallerDeepth(int)
*/
public void setLogCallerDeepth(int deepth) {
if (deepth >= 0) {
callerDeepth = deepth;
}
}
/**
* 获取调用者信息
*
* @param stackDeepth 堆栈深度，向上寻找堆栈长度
* @return 找到的堆栈信息，格式为：className.methodName:lineNumber，如果找不到则返回NOT_MATCH:-1
*/
protected String makeCallerInfo(int stackDeepth) {
StackTraceElement stack[] = new Throwable().getStackTrace();
// 追溯到对应的调用行，如果对应行不存在，则不给出无法确定行号的输出
if (stackDeepth >= 0 && stack.length > 1 + stackDeepth) {
StackTraceElement traceElement = stack[1 + stackDeepth];
String className = traceElement.getClassName();
return className.substring(className.lastIndexOf(".") + 1) + "." + traceElement.getMethodName() + ":" + traceElement.getLineNumber();
}
return "NOT_MATCH:-1";
}
/**
* 将异常转换为堆栈输出串
*
* @param e 需要输出的异常对象
* @return 转换出的字符串，不为空
*/
protected String toStacksString(Throwable e) {
if (e == null) {
return "";
}
StringBuffer eStrBuf = new StringBuffer(I18N.formatMessage(YMP.__LSTRING_FILE, null, null, "ymp.commons.logger_content", e.getClass().getName(), e.getMessage()));
StackTraceElement[] traces = e.getStackTrace();
for (StackTraceElement trace : traces) {
eStrBuf.append("\tat "); // 在堆栈行开始增加空格
eStrBuf.append(trace.toString());
eStrBuf.append("\r\n");
}
ex(eStrBuf, e.getCause());
return eStrBuf.toString();
}
/**
* 将异常输出到字符缓冲中
*
* @param sb 需要输出到的目标字符串缓冲，不可为空
* @param t 需要输出的异常
* @return 如果还有引起异常的源，那么返回true
*/
protected boolean ex(StringBuffer sb, Throwable t) {
if (t != null) {
sb.append("Caused by: ");
sb.append(t.getClass().getName());
sb.append(": ");
sb.append(t.getMessage());
sb.append("\r\n");
StackTraceElement[] traces = t.getStackTrace();
int tracesSize = traces.length;
for (int i = 0; i < tracesSize; i++) {
if (i < ILogConfig.PRINT_STACK_COUNT) {
sb.append("\tat "); // 在堆栈行开始增加空格
StackTraceElement trace = traces[i];
sb.append(trace.toString()).append("\r\n");
} else {
sb.append("\t... ");
sb.append(tracesSize - ILogConfig.PRINT_STACK_COUNT);
sb.append(" more\r\n");
break;
}
}
if (ex(sb, t.getCause())) {
return true;
}
}
return false;
}
}