cvs commit: jakarta-struts/src/share/org/apache/struts/taglib/nested/html NestedFileTag.java

[ar...@apache.org]

arron       02/04/12 02:07:29

  Added:       src/share/org/apache/struts/taglib/nested/html
                        NestedFileTag.java
  Log:
  Adding missing extension to the file tag.
  
  Revision  Changes    Path
  1.1                  jakarta-struts/src/share/org/apache/struts/taglib/nested/html/NestedFileTag.java
  
  Index: NestedFileTag.java
  ===================================================================
  /*
   * $Header: /home/cvs/jakarta-struts/src/share/org/apache/struts/taglib/nested/html/NestedFileTag.java,v 1.1 2002/04/12 09:07:29 arron Exp $
   * $Revision: 1.1 $
   * $Date: 2002/04/12 09:07:29 $
   * ====================================================================
   *
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 1999-2001 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", "Struts", 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/>.
   *
   */
  package org.apache.struts.taglib.nested.html;
  
  import org.apache.struts.taglib.nested.NestedPropertySupport;
  import org.apache.struts.taglib.nested.NestedPropertyHelper;
  import org.apache.struts.taglib.nested.NestedReference;
  import javax.servlet.jsp.*;
  import javax.servlet.jsp.tagext.*;
  import org.apache.struts.taglib.html.FileTag;
  
  /**
   * NestedFileTag.
   * @author Arron Bates
   * @since Struts 1.1
   * @version $Revision: 1.1 $
   */
  public class NestedFileTag extends FileTag implements NestedPropertySupport {
  
    /**
     * Overriding method of the heart of the matter. Gets the relative property
     * and leaves the rest up to the original tag implementation. Sweet.
     * @return int JSP continuation directive.
     *             This is in the hands of the super class.
     */
    public int doStartTag() throws JspException {
  
      /* singleton tag implementations will need the original property to be
         set before running */
      super.setProperty(originalProperty);
  
      /* let the NestedHelper set the properties it can */
      isNesting = true;
      NestedPropertyHelper.setNestedProperties(this);
      isNesting = false;
  
      /* do the tag */
      return super.doStartTag();
    }
  
    /** this is overridden so that properties being set by the JSP page aren't
     * written over by those needed by the extension. If the tag instance is
     * re-used by the JSP, the tag can set the property back to that set by the
     * JSP page.
     *
     * @param newProperty new property value
     */
    public void setProperty(String newProperty) {
      /* let the real tag do its thang */
      super.setProperty(newProperty);
      /* if it's the JSP setting it, remember the value */
      if (!isNesting) {
        originalProperty = newProperty;
      }
    }
  
    /* hold original property */
    private String originalProperty = null;
    private boolean isNesting = false;
  }
  
  

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