/*
* Copyright (C) 2004 TiongHiang Lee
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Email: thlee@onemindsoft.org
*/
package org.onemind.jxp.util;
import java.util.Map;
import org.onemind.commons.java.lang.ref.SoftHashMap;
/**
* Utilities for discovering static imports
* @author TiongHiang Lee (thlee@onemindsoft.org)
*/
public class StaticImportUtils
{
/** the cache for static import **/
private static Map _cache = new SoftHashMap(100);
/**
* Constructor
*/
private StaticImportUtils()
{
}
/**
* Get a static import
* @param c the class
* @return the static import
*/
public static synchronized StaticImport getStaticImport(Class c)
{
StaticImport si = (StaticImport) _cache.get(c);
if (si == null)
{
synchronized (c)
{
si = (StaticImport) _cache.get(c);
if (si == null)
{
si = new StaticImport(c);
_cache.put(c, si);
}
}
}
return si;
}
}
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