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package com.sun.star.report.pentaho.parser.table;

import java.util.ArrayList;

import org.jfree.report.structure.Section;
import org.jfree.report.structure.Element;
import org.pentaho.reporting.libraries.xmlns.parser.XmlReadHandler;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import com.sun.star.report.pentaho.parser.ElementReadHandler;
import com.sun.star.report.pentaho.OfficeNamespaces;
import com.sun.star.report.OfficeToken;
import java.util.List;

/**
 *
 * @author Ocke Janssen
 */
public class TableRowsReadHandler extends ElementReadHandler
{

    private final List rows;
    private final Section tableRows;

    public TableRowsReadHandler()
    {
        rows = new ArrayList();
        tableRows = new Section();
    }

    /**
     * Returns the handler for a child element.
     *
     * @param tagName the tag name.
     * @param atts    the attributes.
     * @return the handler or null, if the tagname is invalid.
     * @throws org.xml.sax.SAXException if there is a parsing error.
     */
    protected XmlReadHandler getHandlerForChild(final String uri,
            final String tagName,
            final Attributes atts)
            throws SAXException
    {
        if (OfficeNamespaces.TABLE_NS.equals(uri) && OfficeToken.TABLE_ROW.equals(tagName))
        {
            final TableRowReadHandler readHandler = new TableRowReadHandler();
            rows.add(readHandler);
            return readHandler;
        }

        return null;
    }

    /**
     * Done parsing.
     *
     * @throws org.xml.sax.SAXException if there is a parsing error.
     */
    protected void doneParsing() throws SAXException
    {
        for (int i = 0; i < rows.size(); i++)
        {
            final TableRowReadHandler handler = (TableRowReadHandler) rows.get(i);
            tableRows.addNode(handler.getElement());
        }
    }

    public Element getElement()
    {
        return tableRows;
    }
}