Source for org.jfree.report.modules.misc.tablemodel.TableModelInfo

   1: /**
   2:  * ========================================
   3:  * JFreeReport : a free Java report library
   4:  * ========================================
   5:  *
   6:  * Project Info:  http://reporting.pentaho.org/
   7:  *
   8:  * (C) Copyright 2000-2007, by Object Refinery Limited, Pentaho Corporation and Contributors.
   9:  *
  10:  * This library is free software; you can redistribute it and/or modify it under the terms
  11:  * of the GNU Lesser General Public License as published by the Free Software Foundation;
  12:  * either version 2.1 of the License, or (at your option) any later version.
  13:  *
  14:  * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
  15:  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  16:  * See the GNU Lesser General Public License for more details.
  17:  *
  18:  * You should have received a copy of the GNU Lesser General Public License along with this
  19:  * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
  20:  * Boston, MA 02111-1307, USA.
  21:  *
  22:  * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
  23:  * in the United States and other countries.]
  24:  *
  25:  * ------------
  26:  * $Id: TableModelInfo.java 2725 2007-04-01 18:49:29Z taqua $
  27:  * ------------
  28:  * (C) Copyright 2000-2005, by Object Refinery Limited.
  29:  * (C) Copyright 2005-2007, by Pentaho Corporation.
  30:  */
  31: 
  32: package org.jfree.report.modules.misc.tablemodel;
  33: 
  34: import javax.swing.table.TableModel;
  35: 
  36: /**
  37:  * A utility class that prints out information about a TableModel.
  38:  *
  39:  * @author Thomas Morgner
  40:  */
  41: public final class TableModelInfo
  42: {
  43:   /**
  44:    * DefaultConstructor.
  45:    */
  46:   private TableModelInfo ()
  47:   {
  48:   }
  49: 
  50:   /**
  51:    * Prints a table model to standard output.
  52:    *
  53:    * @param mod the model.
  54:    */
  55:   public static void printTableModel (final TableModel mod)
  56:   {
  57:     System.out.println("Tablemodel contains " + mod.getRowCount() + " rows.");
  58:     for (int i = 0; i < mod.getColumnCount(); i++)
  59:     {
  60:       System.out.println("Column: " + i + " Name = " + mod.getColumnName(i) + "; DataType = "
  61:               + mod.getColumnClass(i));
  62:     }
  63: 
  64:     System.out.println("Checking the data inside");
  65:     for (int rows = 0; rows < mod.getRowCount(); rows++)
  66:     {
  67:       for (int i = 0; i < mod.getColumnCount(); i++)
  68:       {
  69:         final Object value = mod.getValueAt(rows, i);
  70:         final Class c = mod.getColumnClass(i);
  71:         if (value == null)
  72:         {
  73:           System.out.println("ValueAt (" + rows + ", " + i + ") is null");
  74:         }
  75:         else
  76:         {
  77:           if (c.isAssignableFrom(value.getClass()) == false)
  78:           {
  79:             System.out.println
  80:                     ("ValueAt (" + rows + ", " + i + ") is not assignable from " + c);
  81:           }
  82:           if (c.equals(Object.class))
  83:           {
  84:             System.out.println
  85:                     ("ValueAt (" + rows + ", " + i + ") is in a generic column and is of "
  86:                     + "type " + value.getClass());
  87:           }
  88:         }
  89:       }
  90:     }
  91:   }
  92: 
  93:   /**
  94:    * Prints a table model to standard output.
  95:    *
  96:    * @param mod the model.
  97:    */
  98:   public static void printTableModelContents (final TableModel mod)
  99:   {
 100:     System.out.println("Tablemodel contains " + mod.getRowCount() + " rows.");
 101:     for (int i = 0; i < mod.getColumnCount(); i++)
 102:     {
 103:       System.out.println("Column: " + i + " Name = " + mod.getColumnName(i) + "; DataType = "
 104:               + mod.getColumnClass(i));
 105:     }
 106: 
 107:     System.out.println("Checking the data inside");
 108:     for (int rows = 0; rows < mod.getRowCount(); rows++)
 109:     {
 110:       for (int i = 0; i < mod.getColumnCount(); i++)
 111:       {
 112:         final Object value = mod.getValueAt(rows, i);
 113:         //final Class c = mod.getColumnClass(i);
 114:         System.out.println("ValueAt (" + rows + ", " + i + ") is " + value);
 115:       }
 116:     }
 117:   }
 118: }