abstracttemplatedescription.java

来自「swing编写的库存管理程序。毕业设计类」· Java 代码 · 共 157 行

/**
 * ========================================
 * JFreeReport : a free Java report library
 * ========================================
 *
 * Project Info:  http://www.jfree.org/jfreereport/index.html
 * Project Lead:  Thomas Morgner;
 *
 * (C) Copyright 2000-2003, by Simba Management Limited and Contributors.
 *
 * This library is free software; you can redistribute it and/or modify it under the terms
 * of the GNU Lesser General Public License as published by the Free Software Foundation;
 * either version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this
 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 * --------------------------------
 * AbstractTemplateDescription.java
 * --------------------------------
 * (C)opyright 2003, by Thomas Morgner and Contributors.
 *
 * Original Author:  Thomas Morgner;
 * Contributor(s):   David Gilbert (for Simba Management Limited);
 *
 * $Id: AbstractTemplateDescription.java,v 1.6 2003/08/25 14:29:33 taqua Exp $
 *
 * Changes (from 19-Feb-2003)
 * -------------------------
 * 19-Feb-2003 : Added standard header and Javadocs (DG);
 *
 */

package org.jfree.report.modules.parser.ext.factory.templates;

import org.jfree.report.filter.templates.Template;
import org.jfree.xml.factory.objects.BeanObjectDescription;

/**
 * An abstract class for implementing the {@link TemplateDescription} interface.
 *
 * @author Thomas Morgner
 */
public abstract class AbstractTemplateDescription
    extends BeanObjectDescription implements TemplateDescription
{
  /** The name. */
  private String name;

  /**
   * Creates a new description.
   *
   * @param name  the name.
   * @param template  the template class.
   * @param init  initialise?
   */
  public AbstractTemplateDescription(final String name, final Class template, final boolean init)
  {
    super(template, init);
    this.name = name;
  }

  /**
   * Returns the name.
   *
   * @return The name.
   */
  public String getName()
  {
    return name;
  }

  /**
   * Sets the name.
   *
   * @param name  the name (<code>null</code> not allowed).
   */
  public void setName(final String name)
  {
    if (name == null)
    {
      throw new NullPointerException();
    }
    this.name = name;
  }

  /**
   * Creates a template.
   *
   * @return The template.
   */
  public Template createTemplate()
  {
    return (Template) createObject();
  }

  /**
   * Indicated whether an other object is equal to this one.
   * @see java.lang.Object#equals(java.lang.Object)
   *
   * @param o the other object.
   * @return true, if the object is equal, false otherwise.
   */
  public boolean equals(final Object o)
  {
    if (this == o)
    {
      return true;
    }
    if (!(o instanceof AbstractTemplateDescription))
    {
      return false;
    }
    if (!super.equals(o))
    {
      return false;
    }

    final AbstractTemplateDescription abstractTemplateDescription = (AbstractTemplateDescription) o;

    if (name != null)
    {
      if (!name.equals(abstractTemplateDescription.name))
      {
        return false;
      }
    }
    else
    {
      if (abstractTemplateDescription.name != null)
      {
        return false;
      }
    }

    return true;
  }

  /**
   * Computes an hashcode for this factory.
   * @see java.lang.Object#hashCode()
   *
   * @return the hashcode.
   */
  public int hashCode()
  {
    int result = super.hashCode();
    result = 29 * result + (name != null ? name.hashCode() : 0);
    return result;
  }
}