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/*******************************************************************************
* Copyright (c) 2014 Jeff Martin.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Public License v3.0
* which accompanies this distribution, and is available at
* http://www.gnu.org/licenses/gpl.html
*
* Contributors:
* Jeff Martin - initial API and implementation
******************************************************************************/
package cuchaz.enigma;
import java.io.Closeable;
import java.io.IOException;
import java.util.jar.JarFile;
public class Util
{
public static int combineHashesOrdered( Object ... objs )
{
final int prime = 67;
int result = 1;
for( Object obj : objs )
{
result *= prime;
if( obj != null )
{
result += obj.hashCode();
}
}
return result;
}
public static void closeQuietly( Closeable closeable )
{
if( closeable != null )
{
try
{
closeable.close();
}
catch( IOException ex )
{
// just ignore any further exceptions
}
}
}
public static void closeQuietly( JarFile jarFile )
{
// silly library should implement Closeable...
if( jarFile != null )
{
try
{
jarFile.close();
}
catch( IOException ex )
{
// just ignore any further exceptions
}
}
}
}
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