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From jstrac...@apache.org
Subject cvs commit: jakarta-commons-sandbox/jelly/src/java/org/apache/commons/jelly/tags/define DefineScriptTag.java
Date Fri, 26 Apr 2002 07:56:10 GMT
jstrachan    02/04/26 00:56:10

  Added:       jelly/src/java/org/apache/commons/jelly/tags/define
                        DefineScriptTag.java
  Log:
  Added <define:script> to define a script block (fragment) using a tag and outputting
it as a variable so that it can be called later on using jexl
  
  Revision  Changes    Path
  1.1                  jakarta-commons-sandbox/jelly/src/java/org/apache/commons/jelly/tags/define/DefineScriptTag.java
  
  Index: DefineScriptTag.java
  ===================================================================
  /*
   * $Header: /home/cvs/jakarta-commons-sandbox/jelly/src/java/org/apache/commons/jelly/tags/define/DefineScriptTag.java,v
1.1 2002/04/26 07:56:10 jstrachan Exp $
   * $Revision: 1.1 $
   * $Date: 2002/04/26 07:56:10 $
   *
   * ====================================================================
   *
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 1999-2002 The Apache Software Foundation.  All rights
   * reserved.
   *
   * 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 acknowlegement:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowlegement may appear in the software itself,
   *    if and wherever such third-party acknowlegements normally appear.
   *
   * 4. The names "The Jakarta Project", "Commons", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived
   *    from this software without prior written permission. For written
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache"
   *    nor may "Apache" appear in their names without prior written
   *    permission of the Apache Group.
   *
   * 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 THE APACHE SOFTWARE FOUNDATION OR
   * ITS 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.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   * 
   * $Id: DefineScriptTag.java,v 1.1 2002/04/26 07:56:10 jstrachan Exp $
   */
  package org.apache.commons.jelly.tags.define;
  
  import org.apache.commons.jelly.Context;
  import org.apache.commons.jelly.JellyException;
  import org.apache.commons.jelly.TagSupport;
  import org.apache.commons.jelly.XMLOutput;
  
  /** 
   * <p><code>DefineScriptTag</code> is used to assign a Script object
   * to a variable. The script can then be called whenever the user wishes
   * maybe from inside Jexl.</p>
   *
   * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
   * @version $Revision: 1.1 $
   */
  public class DefineScriptTag extends TagSupport {
      
      private String var;
      
      public DefineScriptTag() {
      }
      
      // Tag interface
      //-------------------------------------------------------------------------        
           
      public void run(Context context, XMLOutput output) throws Exception {
          if ( var == null ) {
              throw new JellyException( "<define:script> must have a var attribute"
);
          }
          context.setVariable( var, getbody() );
      }    
      
      // Properties
      //-------------------------------------------------------------------------        
           
      
      /** @return the variable name of the script to create */
      public String getVar() {
          return var;
      }
      
      /** Sets the variable name of the tag to create */
      public void setVar(String var) {
          this.var = var;
      }    
  }
  
  
  

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