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/*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program 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.
*
* Copyright (c) 2006 - 2009 Object Refinery Ltd, Pentaho Corporation and Contributors. All rights reserved.
*/
package org.pentaho.reporting.libraries.xmlns.parser;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
/**
* A handler for reading an XML element.
*
* @author Thomas Morgner
*/
public interface XmlReadHandler
{
/**
* This method is called at the start of an element.
*
* @param uri the namespace uri.
* @param tagName the tag name.
* @param attrs the attributes.
* @throws SAXException if there is a parsing error.
*/
public void startElement(String uri, String tagName, Attributes attrs)
throws SAXException;
/**
* This method is called to process the character data between element tags.
*
* @param ch the character buffer.
* @param start the start index.
* @param length the length.
* @throws SAXException if there is a parsing error.
*/
public void characters(char[] ch, int start, int length)
throws SAXException;
/**
* This method is called at the end of an element.
*
* @param uri the namespace uri.
* @param tagName the tag name.
* @throws SAXException if there is a parsing error.
*/
public void endElement(String uri, String tagName)
throws SAXException;
/**
* Returns the object for this element or null, if this element does
* not create an object.
*
* @return the object.
* @throws SAXException if an parser error occured.
*/
public Object getObject() throws SAXException;
/**
* Initialise.
*
* @param rootHandler the root handler.
* @param uri the namespace uri.
* @param tagName the tag name.
* @throws SAXException if an parser-error occured.
*/
public void init(RootXmlReadHandler rootHandler, String uri, String tagName)
throws SAXException;
}
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