001/*
002 * Copyright (C) 2012 eXo Platform SAS.
003 *
004 * This is free software; you can redistribute it and/or modify it
005 * under the terms of the GNU Lesser General Public License as
006 * published by the Free Software Foundation; either version 2.1 of
007 * the License, or (at your option) any later version.
008 *
009 * This software is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * You should have received a copy of the GNU Lesser General Public
015 * License along with this software; if not, write to the Free
016 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
017 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
018 */
019
020package org.crsh.text.renderers;
021
022import org.crsh.text.LineRenderer;
023import org.crsh.text.Renderer;
024import org.crsh.text.ui.LabelElement;
025import org.crsh.text.ui.Overflow;
026import org.crsh.text.ui.RowElement;
027import org.crsh.text.ui.TableElement;
028import org.crsh.util.Utils;
029
030import java.io.File;
031import java.text.SimpleDateFormat;
032import java.util.Collections;
033import java.util.Date;
034import java.util.Iterator;
035import java.util.List;
036
037public class FileRenderer extends Renderer<File> {
038
039  @Override
040  public Class<File> getType() {
041    return File.class;
042  }
043
044  @Override
045  public LineRenderer renderer(Iterator<File> stream) {
046
047    //
048    List<File> files = Utils.list(stream);
049    Collections.sort(files);
050    TableElement table = new TableElement().overflow(Overflow.WRAP).rightCellPadding(1);
051    SimpleDateFormat format = new SimpleDateFormat("MMM dd HH:mm");
052    Date date = new Date();
053
054    //
055    for (File file : files) {
056      String mode = (file.isDirectory() ? "d" : "-")
057          + (file.canRead() ? "r" : "-")
058          + (file.canWrite() ? "w" : "-")
059          + (file.canExecute() ? "x" : "-")
060          ;
061      String length = Long.toString(file.length());
062      date.setTime(file.lastModified());
063      String lastModified = format.format(date);
064      table.row(
065        mode,
066        length,
067        lastModified,
068        file.getName()
069      );
070    }
071
072    //
073    return table.renderer();
074  }
075}