jnifilepath.java

来自「RESIN 3.2 最新源码」· Java 代码 · 共 60 行

/*
 * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
 *
 * This file is part of Resin(R) Open Source
 *
 * Each copy or derived work must preserve the copyright notice and this
 * notice unmodified.
 *
 * Resin Open Source is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Resin Open Source 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, or any warranty
 * of NON-INFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Resin Open Source; if not, write to the
 *
 *   Free Software Foundation, Inc.
 *   59 Temple Place, Suite 330
 *   Boston, MA 02111-1307  USA
 *
 * @author Scott Ferguson
 */

package com.caucho.vfs;

import java.lang.reflect.Method;

/**
 * FilePath implements the native filesystem.
 */
public class JniFilePath {
  public static FilesystemPath create()
  {
    try {
      Thread thread = Thread.currentThread();
      ClassLoader loader = thread.getContextClassLoader();
      
      Class pathClass
	= Class.forName("com.caucho.vfs.JniFilePathImpl", false, loader);

      Method isEnabled = pathClass.getMethod("isEnabled", new Class[0]);

      Object result = isEnabled.invoke(null);

      if (Boolean.TRUE.equals(result))
	return (FilesystemPath) pathClass.newInstance();
    } catch (ClassNotFoundException e) {
    } catch (Throwable e) {
    }
    
    return null;
  }
}