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.Color;
023import org.crsh.text.Decoration;
024import org.crsh.text.LineRenderer;
025import org.crsh.text.Renderer;
026import org.crsh.text.ui.LabelElement;
027import org.crsh.text.ui.RowElement;
028import org.crsh.text.ui.TableElement;
029
030import java.util.Iterator;
031import java.util.logging.Level;
032import java.util.logging.Logger;
033
034public class LoggerRenderer extends Renderer<Logger> {
035
036  @Override
037  public Class<Logger> getType() {
038    return Logger.class;
039  }
040
041  @Override
042  public LineRenderer renderer(Iterator<Logger> stream) {
043    TableElement table = new TableElement();
044
045    // Header
046    RowElement header = new RowElement();
047    header.style(Decoration.bold.fg(Color.black).bg(Color.white));
048    header.add(new LabelElement("NAME"));
049    header.add(new LabelElement("LEVEL"));
050    table.add(header);
051
052    //
053    while (stream.hasNext()) {
054      Logger logger = stream.next();
055
056      // Determine level
057      String level;
058      if (logger.isLoggable(Level.FINER)) {
059        level = "TRACE";
060      } else if (logger.isLoggable(Level.FINE)) {
061        level = "DEBUG";
062      } else if (logger.isLoggable(Level.INFO)) {
063        level = "INFO";
064      } else if (logger.isLoggable(Level.WARNING)) {
065        level = "WARN";
066      }  else if (logger.isLoggable(Level.SEVERE)) {
067        level = "ERROR";
068      } else {
069        level = "UNKNOWN";
070      }
071
072      //
073      RowElement row = new RowElement();
074      row.add(new LabelElement(logger.getName()));
075      row.add(new LabelElement(level));
076      table.add(row);
077    }
078
079    //
080    return table.renderer();
081  }
082}