com.mchange.v2.log.LogUtils Maven / Gradle / Ivy
/*
* Distributed as part of mchange-commons-java 0.2.9
*
* Copyright (C) 2015 Machinery For Change, Inc.
*
* Author: Steve Waldman
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of EITHER:
*
* 1) The GNU Lesser General Public License (LGPL), version 2.1, as
* published by the Free Software Foundation
*
* OR
*
* 2) The Eclipse Public License (EPL), version 1.0
*
* You may choose which license to accept if you wish to redistribute
* or modify this work. You may offer derivatives of this work
* under the license you have chosen, or you may provide the same
* choice of license which you have been offered here.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received copies of both LGPL v2.1 and EPL v1.0
* along with this software; see the files LICENSE-EPL and LICENSE-LGPL.
* If not, the text of these licenses are currently available at
*
* LGPL v2.1: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* EPL v1.0: http://www.eclipse.org/org/documents/epl-v10.php
*
*/
package com.mchange.v2.log;
import java.text.MessageFormat;
import java.util.ResourceBundle;
public final class LogUtils
{
public static String createParamsList(Object[] params)
{
StringBuffer sb = new StringBuffer(511);
LogUtils.appendParamsList( sb, params );
return sb.toString();
}
public static void appendParamsList(StringBuffer sb, Object[] params)
{
sb.append("[params: ");
if ( params != null )
{
for (int i = 0, len = params.length; i < len; ++i)
{
if (i != 0) sb.append(", ");
sb.append( params[i] );
}
}
sb.append(']');
}
public static String createMessage(String srcClass, String srcMeth, String msg)
{
StringBuffer sb = new StringBuffer(511);
sb.append("[class: ");
sb.append( srcClass );
sb.append("; method: ");
sb.append( srcMeth );
if (! srcMeth.endsWith(")"))
sb.append("()");
sb.append("] ");
sb.append( msg );
return sb.toString();
}
public static String createMessage(String srcMeth, String msg)
{
StringBuffer sb = new StringBuffer(511);
sb.append("[method: ");
sb.append( srcMeth );
if (! srcMeth.endsWith(")"))
sb.append("()");
sb.append("] ");
sb.append( msg );
return sb.toString();
}
public static String formatMessage( String rbname, String msg, Object[] params )
{
if ( msg == null )
{
if (params == null)
return "";
else
return LogUtils.createParamsList( params );
}
else
{
if ( rbname != null )
{
ResourceBundle rb = ResourceBundle.getBundle( rbname );
if (rb != null)
{
String check = rb.getString( msg );
if (check != null)
msg = check;
}
}
return (params == null ? msg : MessageFormat.format( msg, params ));
}
}
private LogUtils()
{}
}