com.mchange.v2.cfg.BasicPropertiesConfigSource Maven / Gradle / Ivy
/*
* Distributed as part of mchange-commons-java 0.2.6.1
*
* Copyright (C) 2013 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.cfg;
import java.util.*;
import java.io.*;
import static com.mchange.v2.cfg.DelayedLogItem.*;
public final class BasicPropertiesConfigSource implements PropertiesConfigSource
{
public Parse propertiesFromSource( String identifier ) throws FileNotFoundException, Exception
{
InputStream rawStream = MultiPropertiesConfig.class.getResourceAsStream( identifier );
if ( rawStream != null )
{
InputStream pis = new BufferedInputStream( rawStream );
Properties p = new Properties();
List messages = new LinkedList();
try
{ p.load( pis ); }
finally
{
try { if ( pis != null ) pis.close(); } //ensures closuer of nested rawStream as well
catch (IOException e)
{ messages.add( new DelayedLogItem( Level.WARNING, "An IOException occurred while closing InputStream from resource path '" + identifier + "'.", e ) ); }
}
return new Parse(p, messages);
}
else
throw new FileNotFoundException( String.format("Resource not found at path '%s'.", identifier) );
}
}