001package org.apache.archiva.redback.rest.services.utils; 002/* 003 * Licensed to the Apache Software Foundation (ASF) under one 004 * or more contributor license agreements. See the NOTICE file 005 * distributed with this work for additional information 006 * regarding copyright ownership. The ASF licenses this file 007 * to you under the Apache License, Version 2.0 (the 008 * "License"); you may not use this file except in compliance 009 * with the License. You may obtain a copy of the License at 010 * 011 * http://www.apache.org/licenses/LICENSE-2.0 012 * 013 * Unless required by applicable law or agreed to in writing, 014 * software distributed under the License is distributed on an 015 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 016 * KIND, either express or implied. See the License for the 017 * specific language governing permissions and limitations 018 * under the License. 019 */ 020 021import org.apache.archiva.redback.system.check.EnvironmentCheck; 022import org.apache.commons.lang3.time.StopWatch; 023import org.slf4j.Logger; 024import org.slf4j.LoggerFactory; 025import org.springframework.context.ApplicationContext; 026import org.springframework.stereotype.Service; 027 028import javax.inject.Inject; 029import java.util.ArrayList; 030import java.util.Collection; 031import java.util.List; 032 033/** 034 * @author Olivier Lamy 035 * @since 1.4 036 */ 037@Service("environmentChecker#rest") 038public class EnvironmentChecker 039{ 040 041 private Logger log = LoggerFactory.getLogger( getClass() ); 042 043 044 @Inject 045 public EnvironmentChecker( ApplicationContext applicationContext ) 046 { 047 Collection<EnvironmentCheck> checkers = applicationContext.getBeansOfType( EnvironmentCheck.class ).values(); 048 049 StopWatch stopWatch = new StopWatch(); 050 stopWatch.reset(); 051 stopWatch.start(); 052 053 if ( checkers != null ) 054 { 055 List<String> violations = new ArrayList<String>(); 056 057 for ( EnvironmentCheck check : checkers ) 058 { 059 check.validateEnvironment( violations ); 060 } 061 062 if ( !violations.isEmpty() ) 063 { 064 StringBuilder msg = new StringBuilder(); 065 msg.append( "EnvironmentCheck Failure.\n" ); 066 msg.append( "======================================================================\n" ); 067 msg.append( " ENVIRONMENT FAILURE !! \n" ); 068 msg.append( "\n" ); 069 070 for ( String v : violations ) 071 { 072 msg.append( v ).append( "\n" ); 073 } 074 075 msg.append( "\n" ); 076 msg.append( "======================================================================" ); 077 log.error( msg.toString() ); 078 } 079 } 080 081 stopWatch.stop(); 082 log.info( "time to execute all EnvironmentCheck: {} ms", stopWatch.getTime() ); 083 } 084}