maven-wrapper/src/main/java/org/apache/maven/wrapper/Logger.java

package org.apache.maven.wrapper;

/*
 * 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.
 */

/**
 * @author <a href="mailto:konstantin.sobolev@gmail.com">Konstantin Sobolev</a>
 */
public final class Logger
{
    private static final boolean VERBOSE = Boolean.parseBoolean( System.getenv( MavenWrapperMain.MVNW_VERBOSE ) );

    public static void info( String msg )
    {
        if ( VERBOSE )
        {
            System.out.printf( "[INFO] %s%n", msg );
        }
    }

    public static void warn( String msg )
    {
        System.err.printf( "[WARNING] %s%n", msg );
    }
}