| package org.slf4j.impl; |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| import java.io.PrintStream; |
| |
| import static org.apache.maven.shared.utils.logging.MessageUtils.buffer; |
| import static org.apache.maven.shared.utils.logging.MessageUtils.level; |
| |
| /** |
| * Logger for Maven, that support colorization of levels and stacktraces. This class implements 2 methods introduced in |
| * slf4j-simple provider local copy. |
| * |
| * @since 3.5.0 |
| */ |
| public class MavenSimpleLogger extends SimpleLogger |
| { |
| MavenSimpleLogger( String name ) |
| { |
| super( name ); |
| } |
| |
| @Override |
| protected String renderLevel( int level ) |
| { |
| switch ( level ) |
| { |
| case LOG_LEVEL_TRACE: |
| return level().debug( "TRACE" ); |
| case LOG_LEVEL_DEBUG: |
| return level().debug( "DEBUG" ); |
| case LOG_LEVEL_INFO: |
| return level().info( "INFO" ); |
| case LOG_LEVEL_WARN: |
| return level().warning( "WARNING" ); |
| case LOG_LEVEL_ERROR: |
| default: |
| return level().error( "ERROR" ); |
| } |
| } |
| |
| @Override |
| protected void writeThrowable( Throwable t, PrintStream stream ) |
| { |
| if ( t == null ) |
| { |
| return; |
| } |
| stream.print( buffer().failure( t.getClass().getName() ) ); |
| if ( t.getMessage() != null ) |
| { |
| stream.print( ": " ); |
| stream.print( buffer().failure( t.getMessage() ) ); |
| } |
| stream.println(); |
| |
| while ( t != null ) |
| { |
| for ( StackTraceElement e : t.getStackTrace() ) |
| { |
| stream.print( " " ); |
| stream.print( buffer().strong( "at" ) ); |
| stream.print( " " + e.getClassName() + "." + e.getMethodName() ); |
| stream.print( buffer().a( " (" ).strong( getLocation( e ) ).a( ")" ) ); |
| stream.println(); |
| } |
| |
| t = t.getCause(); |
| if ( t != null ) |
| { |
| stream.print( buffer().strong( "Caused by" ).a( ": " ).a( t.getClass().getName() ) ); |
| if ( t.getMessage() != null ) |
| { |
| stream.print( ": " ); |
| stream.print( buffer().failure( t.getMessage() ) ); |
| } |
| stream.println(); |
| } |
| } |
| } |
| |
| protected String getLocation( final StackTraceElement e ) |
| { |
| assert e != null; |
| |
| if ( e.isNativeMethod() ) |
| { |
| return "Native Method"; |
| } |
| else if ( e.getFileName() == null ) |
| { |
| return "Unknown Source"; |
| } |
| else if ( e.getLineNumber() >= 0 ) |
| { |
| return String.format( "%s:%s", e.getFileName(), e.getLineNumber() ); |
| } |
| else |
| { |
| return e.getFileName(); |
| } |
| } |
| } |