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    
020    package org.crsh.text.formatter;
021    
022    import org.crsh.text.Color;
023    import org.crsh.text.Decoration;
024    import org.crsh.text.Renderable;
025    import org.crsh.text.Renderer;
026    import org.crsh.text.ui.LabelElement;
027    import org.crsh.text.ui.RowElement;
028    import org.crsh.text.ui.TableElement;
029    import org.slf4j.Logger;
030    
031    import java.util.Iterator;
032    
033    public class LoggerRenderable extends Renderable<Logger> {
034    
035      @Override
036      public Class<Logger> getType() {
037        return Logger.class;
038      }
039    
040      @Override
041      public Renderer renderer(Iterator<Logger> stream) {
042        TableElement table = new TableElement();
043    
044        // Header
045        RowElement header = new RowElement();
046        header.style(Decoration.bold.fg(Color.black).bg(Color.white));
047        header.add(new LabelElement("NAME"));
048        header.add(new LabelElement("LEVEL"));
049        table.add(header);
050    
051        //
052        while (stream.hasNext()) {
053          Logger logger = stream.next();
054    
055          // Determine level
056          String level;
057          if (logger.isTraceEnabled()) {
058            level = "TRACE";
059          } else if (logger.isDebugEnabled()) {
060            level = "DEBUG";
061          } else if (logger.isInfoEnabled()) {
062            level = "INFO";
063          } else if (logger.isWarnEnabled()) {
064            level = "WARN";
065          }  else if (logger.isErrorEnabled()) {
066            level = "ERROR";
067          } else {
068            level = "UNKNOWN";
069          }
070    
071          //
072          RowElement row = new RowElement();
073          row.add(new LabelElement(logger.getName()));
074          row.add(new LabelElement(level));
075          table.add(row);
076        }
077    
078        //
079        return table.renderer();
080      }
081    }