viewfilesaction.java

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/*
 * Copyright (c) 2003-2006, Simon Brown
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in
 *     the documentation and/or other materials provided with the
 *     distribution.
 *
 *   - Neither the name of Pebble nor the names of its contributors may
 *     be used to endorse or promote products derived from this software
 *     without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
package net.sourceforge.pebble.web.action;

import net.sourceforge.pebble.Constants;
import net.sourceforge.pebble.PebbleContext;
import net.sourceforge.pebble.web.view.View;
import net.sourceforge.pebble.web.view.ForbiddenView;
import net.sourceforge.pebble.web.view.impl.FilesView;
import net.sourceforge.pebble.domain.*;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.List;

/**
 * Allows the user to view the files in a specific location - blog images,
 * blog files and theme files.
 *
 * @author    Simon Brown
 */
public class ViewFilesAction extends AbstractFileAction {

  /**
   * Peforms the processing associated with this action.
   *
   * @param request  the HttpServletRequest instance
   * @param response the HttpServletResponse instance
   * @return the name of the next view
   */
  public View process(HttpServletRequest request, HttpServletResponse response) throws ServletException {
    Blog blog = (Blog)getModel().get(Constants.BLOG_KEY);
    String type = request.getParameter("type");
    String path = request.getParameter("path");
    String fileName = request.getParameter("file");

    // if there is no path, we're looking at the root
    if (path == null || path.length() == 0) {
      path= "/";
    }

    FileManager fileManager = new FileManager(blog, type);
    FileMetaData directory = fileManager.getFileMetaData(path);

    try {
      List files = fileManager.getFiles(path);
      getModel().put("files", files);
    } catch (IllegalFileAccessException e) {
      return new ForbiddenView();
    }

    String uploadAction = null;
    if (type.equals(FileMetaData.BLOG_IMAGE)) {
      uploadAction = "uploadImageToBlog.secureaction";
    } else if (type.equals(FileMetaData.THEME_FILE)) {
      uploadAction = "uploadFileToTheme.secureaction";
    } else {
      uploadAction = "uploadFileToBlog.secureaction";
    }

    // does the user want details about a specific file?
    if (fileName != null && fileName.length() > 0) {
      getModel().put("file", fileManager.getFileMetaData(path, fileName));
    }

    getModel().put("type", type);
    getModel().put("directory", directory);
    getModel().put("parent", fileManager.getParent(directory));
    getModel().put("uploadAction", uploadAction);
    getModel().put("root", fileManager.getFileMetaData("/"));

    if (PebbleContext.getInstance().getConfiguration().getFileUploadQuota() > -1) {
      getModel().put("currentUsage", FileManager.getCurrentUsage(blog));
    }

    return new FilesView();
  }

}