Logback 异常日志减少打印内容

package com.example.logbackException.logback; import ch.qos.logback.classic.spi.IThrowableProxy; import ch.qos.logback.classic.spi.ThrowableProxy; import org.springframework.boot.logging.logback.ExtendedWhitespaceThrowableProxyConverter; import org.springframework.core.env.Environment; import org.springframework.util.StringUtils; public class ExceptionLogCompressConverter extends ExtendedWhitespaceThrowableProxyConverter { private static Boolean isCompress = Boolean.TRUE; private static String defaultCauseDepth = "1"; private static String defaultStackDepth = "2"; @Override protected String throwableProxyToString(IThrowableProxy tp) { getEnvironment(); if (!isCompress) { return super.throwableProxyToString(tp); } //压缩后的异常日志 StringBuffer sb = new StringBuffer(); reversePrintStackCause(tp, sb); return sb.toString(); } private void reversePrintStackCause(IThrowableProxy tp, StringBuffer sb) { Counter causeCounter = new Counter(); reversePrintStackCause((ThrowableProxy) tp, Integer.parseInt(defaultCauseDepth), causeCounter, Integer.parseInt(defaultStackDepth), sb); } private void reversePrintStackCause(ThrowableProxy tp, int causeDepth, Counter causeCounter, int stackDepth, StringBuffer sb) { if (tp == null) { return; } if (tp.getCause() != null) { reversePrintStackCause((ThrowableProxy) tp.getCause(), causeDepth, causeCounter, stackDepth, sb); } int stackDepths = tp.getThrowable().getStackTrace().length; if (stackDepth < stackDepths) { stackDepths = stackDepth; } if (causeCounter.count++ < causeDepth) { printStack(tp, stackDepths, sb); } } private void printStack(ThrowableProxy tp, int stackDepths, StringBuffer sb) { Throwable throwable = tp.getThrowable(); StackTraceElement[] stackTraces = throwable.getStackTrace(); if (sb.lastIndexOf("\t") > -1) { sb.deleteCharAt(sb.length() - 1); sb.append("Caused"); } sb.append(throwable.getClass().getName()).append(":").append(throwable.getMessage()).append("\n\t"); for (int i = 0; i < stackDepths; i++) { StackTraceElement stackTrace = stackTraces[i]; sb.append(compressClassName(stackTrace.getClassName())) .append("#") .append(stackTrace.getMethodName()) .append(":") .append(stackTrace.getLineNumber()) .append("\n\t"); } } private StringBuffer compressClassName(String className) { String[] split = className.split("\\."); StringBuffer newClassName = new StringBuffer(); for (int i = 0; i < split.length - 1; i++) { newClassName.append(split[i], 0, 1).append("."); } newClassName.append(split[split.length - 1]); return newClassName; } // 从yml文件中获取参数 private void getEnvironment() { Environment environment = BeanUtils.getApplicationContext().getEnvironment(); String causeDepth = environment.getProperty("causeDepth"); String stackDepth = environment.getProperty("stackDepth"); String compress = environment.getProperty("compress"); if (!StringUtils.isEmpty(causeDepth)) { defaultCauseDepth = causeDepth; } if (!StringUtils.isEmpty(stackDepth)) { defaultStackDepth = stackDepth; } if (!StringUtils.isEmpty(compress) && "false".equals(compress)) { isCompress = Boolean.FALSE; } } }