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package org.apache.maven.cli;
/*
* 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.IOException;
import java.io.InputStream;
import java.util.Date;
import java.util.Locale;
import java.util.Properties;
import java.util.TimeZone;
import org.codehaus.plexus.util.IOUtil;
import org.codehaus.plexus.util.Os;
import org.slf4j.Logger;
/**
* Utility class used to report errors, statistics, application version info, etc.
*
* @author jdcasey
*
*/
public final class CLIReportingUtils
{
// CHECKSTYLE_OFF: MagicNumber
public static final long MB = 1024 * 1024;
private static final long ONE_SECOND = 1000L;
private static final long ONE_MINUTE = 60 * ONE_SECOND;
private static final long ONE_HOUR = 60 * ONE_MINUTE;
private static final long ONE_DAY = 24 * ONE_HOUR;
// CHECKSTYLE_ON: MagicNumber
public static final String BUILD_VERSION_PROPERTY = "version";
public static String showVersion()
{
final String ls = System.getProperty( "line.separator" );
Properties properties = getBuildProperties();
StringBuilder version = new StringBuilder();
version.append( createMavenVersionString( properties ) ).append( ls );
version.append( reduce( properties.getProperty( "distributionShortName" ) + " home: "
+ System.getProperty( "maven.home", "<unknown maven home>" ) ) ).append( ls );
version.append( "Java version: " ).append(
System.getProperty( "java.version", "<unknown java version>" ) ).append( ", vendor: " ).append(
System.getProperty( "java.vendor", "<unknown vendor>" ) ).append( ls );
version.append( "Java home: " ).append( System.getProperty( "java.home", "<unknown java home>" ) ).append( ls );
version.append( "Default locale: " ).append( Locale.getDefault() ).append( ", platform encoding: " ).append(
System.getProperty( "file.encoding", "<unknown encoding>" ) ).append( ls );
version.append( "OS name: \"" ).append( Os.OS_NAME ).append( "\", version: \"" ).append( Os.OS_VERSION ).append(
"\", arch: \"" ).append( Os.OS_ARCH ).append( "\", family: \"" ).append( Os.OS_FAMILY ).append( "\"" );
return version.toString();
}
/**
* Create a human readable string containing the Maven version, buildnumber, and time of build
*
* @param buildProperties The build properties
* @return Readable build info
*/
static String createMavenVersionString( Properties buildProperties )
{
String timestamp = reduce( buildProperties.getProperty( "timestamp" ) );
String version = reduce( buildProperties.getProperty( BUILD_VERSION_PROPERTY ) );
String rev = reduce( buildProperties.getProperty( "buildNumber" ) );
String distributionName = reduce( buildProperties.getProperty( "distributionName" ) );
String msg = distributionName + " ";
msg += ( version != null ? version : "<version unknown>" );
if ( rev != null || timestamp != null )
{
msg += " (";
msg += ( rev != null ? rev : "" );
if ( timestamp != null )
{
String ts = formatTimestamp( Long.valueOf( timestamp ) );
msg += ( rev != null ? "; " : "" ) + ts;
}
msg += ")";
}
return msg;
}
private static String reduce( String s )
{
return ( s != null ? ( s.startsWith( "${" ) && s.endsWith( "}" ) ? null : s ) : null );
}
static Properties getBuildProperties()
{
Properties properties = new Properties();
InputStream resourceAsStream = null;
try
{
resourceAsStream = MavenCli.class.getResourceAsStream( "/org/apache/maven/messages/build.properties" );
if ( resourceAsStream != null )
{
properties.load( resourceAsStream );
}
}
catch ( IOException e )
{
System.err.println( "Unable determine version from JAR file: " + e.getMessage() );
}
finally
{
IOUtil.close( resourceAsStream );
}
return properties;
}
public static void showError( Logger logger, String message, Throwable e, boolean showStackTrace )
{
if ( showStackTrace )
{
logger.error( message, e );
}
else
{
logger.error( message );
if ( e != null )
{
logger.error( e.getMessage() );
for ( Throwable cause = e.getCause(); cause != null; cause = cause.getCause() )
{
logger.error( "Caused by: " + cause.getMessage() );
}
}
}
}
public static String formatTimestamp( long timestamp )
{
// Manual construction of the tz offset because only Java 7 is aware of ISO 8601 time zones
TimeZone tz = TimeZone.getDefault();
int offset = tz.getRawOffset();
// Raw offset ignores DST, so check if we are in DST now and add the offset
if ( tz.inDaylightTime( new Date( timestamp ) ) )
{
offset += tz.getDSTSavings();
}
// CHECKSTYLE_OFF: MagicNumber
long m = Math.abs( ( offset / ONE_MINUTE ) % 60 );
long h = Math.abs( ( offset / ONE_HOUR ) % 24 );
// CHECKSTYLE_ON: MagicNumber
int offsetDir = (int) Math.signum( (float) offset );
char offsetSign = offsetDir >= 0 ? '+' : '-';
return String.format( "%tFT%<tT%s%02d:%02d", timestamp, offsetSign, h, m );
}
public static String formatDuration( long duration )
{
// CHECKSTYLE_OFF: MagicNumber
long ms = duration % 1000;
long s = ( duration / ONE_SECOND ) % 60;
long m = ( duration / ONE_MINUTE ) % 60;
long h = ( duration / ONE_HOUR ) % 24;
long d = duration / ONE_DAY;
// CHECKSTYLE_ON: MagicNumber
String format;
if ( d > 0 )
{
format = "%d d %02d:%02d h";
}
else if ( h > 0 )
{
format = "%2$02d:%3$02d h";
}
else if ( m > 0 )
{
format = "%3$02d:%4$02d min";
}
else
{
format = "%4$d.%5$03d s";
}
return String.format( format, d, h, m, s, ms );
}
}
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