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/**
* ===========================================
* LibLayout : a free Java layouting library
* ===========================================
*
* Project Info: http://reporting.pentaho.org/liblayout/
*
* (C) Copyright 2006-2007, by Pentaho Corporation 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.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ------------
* $Id: Normalizer.java 2739 2007-04-02 11:41:22Z taqua $
* ------------
* (C) Copyright 2006-2007, by Pentaho Corporation.
*/
package org.jfree.layouting.normalizer.content;
import java.io.IOException;
import org.jfree.layouting.StatefullComponent;
import org.jfree.layouting.input.style.PseudoPage;
import org.jfree.layouting.input.style.values.CSSValue;
import org.jfree.layouting.layouter.style.resolver.StyleResolver;
import org.jfree.layouting.renderer.Renderer;
import org.jfree.layouting.util.AttributeMap;
/**
* The normalizer is the first stage of the content processing. A normalizer
* is responsible for auto-generating content and for assigning styles to the
* logical document tree.
*
* @author Thomas Morgner
*/
public interface Normalizer extends StatefullComponent
{
/**
* Start document is the first call to the normalizer. At this point, all
* meta-data has been given and the document context is filled correctly.
*
* Starting the document also starts a new PageContext.
*
* @throws NormalizationException
* @throws IOException
*/
public void startDocument ()
throws NormalizationException, IOException;
/**
* Starts a new element. The element uses the given namespace and tagname.
* The element's attributes are given as collection, each attribute is keyed
* with a namespace and attributename. The values contained in the attributes
* are not defined.
*
* @param namespace
* @param tag
* @param attributes
* @throws NormalizationException
* @throws IOException
*/
public void startElement (String namespace,
String tag,
AttributeMap attributes)
throws NormalizationException, IOException;
/**
* Adds text content to the current element.
*
* @param text
* @throws NormalizationException
* @throws IOException
*/
public void addText (String text)
throws NormalizationException, IOException;
/**
* Ends the current element. The namespace and tagname are given for
* convienience.
*
* @param namespace
* @param tag
* @throws NormalizationException
* @throws IOException
*/
public void endElement ()
throws NormalizationException, IOException;
/**
* Ends the document. No other events will be fired against this normalizer
* once this method has been called.
*
* @throws NormalizationException
* @throws IOException
*/
public void endDocument ()
throws NormalizationException, IOException;
public void handlePageBreak(final CSSValue pageName,
final PseudoPage[] pseudoPages)
throws NormalizationException;
/**
* Returns the renderer. The renderer is the last step in the processing chain.
* The ModelBuilder and ContentGenerator steps are considered internal, as
* they may refeed the normalizer.
*
* @return
*/
public Renderer getRenderer();
// public StyleResolver getStyleResolver();
}
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