appresourcemanager.java

来自「RESIN 3.2 最新源码」· Java 代码 · 共 64 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.jsp;

import com.caucho.server.webapp.WebApp;
import com.caucho.vfs.Path;

/**
 * Resolves resources and looks up *.tld
 */
public class AppResourceManager extends JspResourceManager {
  private WebApp _app;

  public AppResourceManager(WebApp app)
  {
    _app = app;
  }
  
  /**
   * Resolves a path.
   */
  public Path resolvePath(String uri)
  {
    if (uri.startsWith("file:"))
      return _app.getAppDir().lookup(uri);
    else if (uri.indexOf("://") >= 0)
      return null;
      
    String realPath = _app.getRealPath(uri);

    if (realPath != null)
      return _app.getAppDir().lookup(realPath);
    else
      return null;
  }
}