1. /*

  2.  * The Apache Software License, Version 1.1

  3.  *

  4.  *

  5.  * Copyright (c) 1999 The Apache Software Foundation.  All rights 

  6.  * reserved.

  7.  *

  8.  * Redistribution and use in source and binary forms, with or without

  9.  * modification, are permitted provided that the following conditions

  10.  * are met:

  11.  *

  12.  * 1. Redistributions of source code must retain the above copyright

  13.  *    notice, this list of conditions and the following disclaimer. 

  14.  *

  15.  * 2. Redistributions in binary form must reproduce the above copyright

  16.  *    notice, this list of conditions and the following disclaimer in

  17.  *    the documentation and/or other materials provided with the

  18.  *    distribution.

  19.  *

  20.  * 3. The end-user documentation included with the redistribution,

  21.  *    if any, must include the following acknowledgment:  

  22.  *       "This product includes software developed by the

  23.  *        Apache Software Foundation (http://www.apache.org/)."

  24.  *    Alternately, this acknowledgment may appear in the software itself,

  25.  *    if and wherever such third-party acknowledgments normally appear.

  26.  *

  27.  * 4. The names "Xalan" and "Apache Software Foundation" must

  28.  *    not be used to endorse or promote products derived from this

  29.  *    software without prior written permission. For written 

  30.  *    permission, please contact apache@apache.org.

  31.  *

  32.  * 5. Products derived from this software may not be called "Apache",

  33.  *    nor may "Apache" appear in their name, without prior written

  34.  *    permission of the Apache Software Foundation.

  35.  *

  36.  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED

  37.  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES

  38.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

  39.  * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR

  40.  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

  41.  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

  42.  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF

  43.  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

  44.  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,

  45.  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT

  46.  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

  47.  * SUCH DAMAGE.

  48.  * ====================================================================

  49.  *

  50.  * This software consists of voluntary contributions made by many

  51.  * individuals on behalf of the Apache Software Foundation and was

  52.  * originally based on software copyright (c) 1999, Lotus

  53.  * Development Corporation., http://www.lotus.com.  For more

  54.  * information on the Apache Software Foundation, please see

  55.  * <http://www.apache.org/>.

  56.  */

  57. package org.apache.xalan.transformer;

  58. 

  59. /**

  60.  * A content handler can get a reference

  61.  * to a TransformState by implementing

  62.  * the TransformerClient interface.  Xalan will check for

  63.  * that interface before it calls startDocument, and, if it

  64.  * is implemented, pass in a TransformState reference to the

  65.  * setTransformState method.

  66.  */

  67. public interface TransformerClient

  68. {

  69. 

  70.   /**

  71.    * Pass in a reference to a TransformState object, which

  72.    * can be used during SAX ContentHandler events to obtain

  73.    * information about he state of the transformation. This

  74.    * method will be called  before each startDocument event.

  75.    *

  76.    * @param ts A reference to a TransformState object

  77.    */

  78.   void setTransformState(TransformState ts);

  79. }