001package org.eclipse.aether.internal.test.util;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 * 
012 *  http://www.apache.org/licenses/LICENSE-2.0
013 * 
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022import java.io.PrintStream;
023
024import org.eclipse.aether.spi.log.Logger;
025import org.eclipse.aether.spi.log.LoggerFactory;
026
027/**
028 * A logger factory that writes to some {@link PrintStream}.
029 */
030public final class TestLoggerFactory
031    implements LoggerFactory
032{
033
034    private final Logger logger;
035
036    /**
037     * Creates a new logger factory that writes to {@link System#out}.
038     */
039    public TestLoggerFactory()
040    {
041        this( null );
042    }
043
044    /**
045     * Creates a new logger factory that writes to the specified print stream.
046     */
047    public TestLoggerFactory( PrintStream out )
048    {
049        logger = new TestLogger( out );
050    }
051
052    public Logger getLogger( String name )
053    {
054        return logger;
055    }
056
057    private static final class TestLogger
058        implements Logger
059    {
060
061        private final PrintStream out;
062
063        TestLogger( PrintStream out )
064        {
065            this.out = ( out != null ) ? out : System.out;
066        }
067
068        public boolean isWarnEnabled()
069        {
070            return true;
071        }
072
073        public void warn( String msg, Throwable error )
074        {
075            out.println( "[WARN] " + msg );
076            if ( error != null )
077            {
078                error.printStackTrace( out );
079            }
080        }
081
082        public void warn( String msg )
083        {
084            warn( msg, null );
085        }
086
087        public boolean isDebugEnabled()
088        {
089            return true;
090        }
091
092        public void debug( String msg, Throwable error )
093        {
094            out.println( "[DEBUG] " + msg );
095            if ( error != null )
096            {
097                error.printStackTrace( out );
098            }
099        }
100
101        public void debug( String msg )
102        {
103            debug( msg, null );
104        }
105
106    }
107
108}