TagLib.java :  » Web-Framework » jucas » org » jucas » addon » pageflow » Java Open Source

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jucas » org » jucas » addon » pageflow » TagLib.java
package org.jucas.addon.pageflow;

import java.net.URI;

import org.jaul.DocumentScript;
import org.jaul.IExecuter;
import org.jaul.IExecuterFactory;
import org.jaul.TagScript;

/*
 * License
 *
 *
 * Copyright (c) 2003 Essl Christian.  All rights 
 * reserved.
 * 
 * This Licence is based on the Apache Software Licence Version 1.1.
 *
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer. 
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:  
 *       "This product includes software developed by Christian Essl 
 *        and others for project Jucas (http://www.jucas.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Jucas" and "Christian Essl" must    not be used to endorse or
 * promote products derived from this    software without prior written
 * permission. For written    permission, please contact essl_christian@jucas.
 * org.
 *
 * 5. Products derived from this software may not be called "Jucas"
 *    or "Christian Essl", nor may "Jucas" or "Christian Essl"
 *    appear in their name, without prior written permission
 *    of Christian Essl (essl_christian@jucas.org).
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL CHRISTIAN ESSL OR
 * OTHER CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * 
 */

/**
 * 
 * 
 * @author chris
 */
public class TagLib implements IExecuterFactory
{

  /**
   * Constructor for TagLib.
   */
  public TagLib()
  {
    super();
  }

  /**
   * @see org.jaul.IExecuterFactory#setArgument(java.net.URI, org.jaul.DocumentScript)
   */
  public void setArgument(URI arg, DocumentScript documentScript) throws Exception
  {
  }

  /**
   * @see org.jaul.IExecuterFactory#createExecuter(org.jaul.TagScript)
   */
  public IExecuter createExecuter(TagScript tagScript) throws Exception
  {
    String name = tagScript.getLocalName();
    if("target".equals(name))
      return new TagTarget();
    else if("show-page".equals(name))
      return new TagShowPage();
    else if("req-attr".equals(name))
      return new TagReqAttribute();
    
    throw new IllegalStateException("The name you provided: "+ name+ " is not valid");
  }

}
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