001/* 002 * Copyright 2012-2017 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.boot.diagnostics; 018 019import org.apache.commons.logging.Log; 020import org.apache.commons.logging.LogFactory; 021 022import org.springframework.util.StringUtils; 023 024/** 025 * {@link FailureAnalysisReporter} that logs the failure analysis. 026 * 027 * @author Andy Wilkinson 028 * @since 1.4.0 029 */ 030public final class LoggingFailureAnalysisReporter implements FailureAnalysisReporter { 031 032 private static final Log logger = LogFactory 033 .getLog(LoggingFailureAnalysisReporter.class); 034 035 @Override 036 public void report(FailureAnalysis failureAnalysis) { 037 if (logger.isDebugEnabled()) { 038 logger.debug("Application failed to start due to an exception", 039 failureAnalysis.getCause()); 040 } 041 if (logger.isErrorEnabled()) { 042 logger.error(buildMessage(failureAnalysis)); 043 } 044 } 045 046 private String buildMessage(FailureAnalysis failureAnalysis) { 047 StringBuilder builder = new StringBuilder(); 048 builder.append(String.format("%n%n")); 049 builder.append(String.format("***************************%n")); 050 builder.append(String.format("APPLICATION FAILED TO START%n")); 051 builder.append(String.format("***************************%n%n")); 052 builder.append(String.format("Description:%n%n")); 053 builder.append(String.format("%s%n", failureAnalysis.getDescription())); 054 if (StringUtils.hasText(failureAnalysis.getAction())) { 055 builder.append(String.format("%nAction:%n%n")); 056 builder.append(String.format("%s%n", failureAnalysis.getAction())); 057 } 058 return builder.toString(); 059 } 060 061}