Package org.pentaho.reporting.engine.classic.core.modules.parser.ext.readhandlers

Source Code of org.pentaho.reporting.engine.classic.core.modules.parser.ext.readhandlers.PageDefinitionReadHandler

/*
* 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) 2001 - 2009 Object Refinery Ltd, Pentaho Corporation and Contributors..  All rights reserved.
*/

package org.pentaho.reporting.engine.classic.core.modules.parser.ext.readhandlers;

import java.util.ArrayList;

import org.pentaho.reporting.engine.classic.core.CustomPageDefinition;
import org.pentaho.reporting.engine.classic.core.MasterReport;
import org.pentaho.reporting.engine.classic.core.modules.parser.base.PropertyAttributes;
import org.pentaho.reporting.engine.classic.core.modules.parser.base.ReportParserUtil;
import org.pentaho.reporting.engine.classic.core.modules.parser.base.common.AbstractPropertyXmlReadHandler;
import org.pentaho.reporting.libraries.xmlns.parser.XmlReadHandler;
import org.xml.sax.SAXException;

public class PageDefinitionReadHandler extends AbstractPropertyXmlReadHandler
{
  private ArrayList pageDefList;

  public PageDefinitionReadHandler()
  {
    pageDefList = new ArrayList();
  }

  /**
   * 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 PropertyAttributes atts)
      throws SAXException
  {
    if (isSameNamespace(uri) == false)
    {
      return null;
    }

    if ("page".equals(tagName))
    {
      final PageReadHandler readHandler = new PageReadHandler();
      pageDefList.add(readHandler);
      return readHandler;
    }
    return null;
  }

  /**
   * Done parsing.
   *
   * @throws org.xml.sax.SAXException if there is a parsing error.
   */
  protected void doneParsing() throws SAXException
  {
    if (pageDefList.isEmpty())
    {
      throw new SAXException
          ("page-definition element needs at least one page definition.");
    }

    final CustomPageDefinition pageDefinition = new CustomPageDefinition();

    for (int i = 0; i < pageDefList.size(); i++)
    {
      final PageReadHandler readHandler = (PageReadHandler) pageDefList.get(i);
      pageDefinition.addPageFormat(readHandler.getPageFormat(),
          readHandler.getX(), readHandler.getY());
    }

    final MasterReport report = (MasterReport)
        getRootHandler().getHelperObject(ReportParserUtil.HELPER_OBJ_REPORT_NAME);
    report.setPageDefinition(pageDefinition);
  }

  /**
   * Returns the object for this element or null, if this element does not create an object.
   *
   * @return the object.
   */
  public Object getObject()
  {
    return null;
  }
}
TOP

Related Classes of org.pentaho.reporting.engine.classic.core.modules.parser.ext.readhandlers.PageDefinitionReadHandler

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.