/*
* 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 - 2013 Object Refinery Ltd, Pentaho Corporation and Contributors.. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.core.modules.parser.bundle.layout;
import org.pentaho.reporting.engine.classic.core.AbstractReportDefinition;
import org.pentaho.reporting.engine.classic.core.MasterReport;
import org.pentaho.reporting.engine.classic.core.PageFooter;
import org.pentaho.reporting.engine.classic.core.PageHeader;
import org.pentaho.reporting.engine.classic.core.SubReport;
import org.pentaho.reporting.engine.classic.core.Watermark;
import org.pentaho.reporting.engine.classic.core.function.Expression;
import org.pentaho.reporting.engine.classic.core.modules.parser.base.ReportParserUtil;
import org.pentaho.reporting.engine.classic.core.modules.parser.bundle.BundleNamespaces;
import org.pentaho.reporting.engine.classic.core.modules.parser.bundle.layout.elements.PageFooterReadHandler;
import org.pentaho.reporting.engine.classic.core.modules.parser.bundle.layout.elements.PageHeaderReadHandler;
import org.pentaho.reporting.engine.classic.core.modules.parser.bundle.layout.elements.WatermarkReadHandler;
import org.pentaho.reporting.engine.classic.core.style.css.ElementStyleDefinition;
import org.pentaho.reporting.libraries.xmlns.parser.AbstractXmlReadHandler;
import org.pentaho.reporting.libraries.xmlns.parser.IgnoreAnyChildReadHandler;
import org.pentaho.reporting.libraries.xmlns.parser.XmlReadHandler;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
/**
* Todo: Document Me
*
* @author Thomas Morgner
*/
public class StylesRootElementHandler extends AbstractXmlReadHandler {
private PageFooterReadHandler pageFooterReadHandler;
private PageHeaderReadHandler pageHeaderReadHandler;
private WatermarkReadHandler watermarkReadHandler;
private LayoutProcessorReadHandler layoutProcessorHandler;
private AbstractReportDefinition report;
private StyleDefinitionReadHandler styleDefinitionReadHandler;
public StylesRootElementHandler() {
}
/**
* Starts parsing.
*
* @param attrs
* the attributes.
* @throws SAXException
* if there is a parsing error.
*/
protected void startParsing( final Attributes attrs ) throws SAXException {
final Object maybeReport = getRootHandler().getHelperObject( ReportParserUtil.HELPER_OBJ_REPORT_NAME );
if ( maybeReport instanceof SubReport ) {
report = (SubReport) maybeReport;
} else if ( maybeReport instanceof MasterReport ) {
report = (MasterReport) maybeReport;
} else {
if ( ReportParserUtil.INCLUDE_PARSING_VALUE.equals( getRootHandler().getHelperObject(
ReportParserUtil.INCLUDE_PARSING_KEY ) ) ) {
report = new SubReport();
} else {
report = new MasterReport();
}
getRootHandler().setHelperObject( ReportParserUtil.HELPER_OBJ_REPORT_NAME, report );
}
}
/**
* Returns the handler for a child element.
*
* @param uri
* the URI of the namespace of the current element.
* @param tagName
* the tag name.
* @param atts
* the attributes.
* @return the handler or null, if the tagname is invalid.
* @throws SAXException
* if there is a parsing error.
*/
protected XmlReadHandler getHandlerForChild( final String uri, final String tagName, final Attributes atts )
throws SAXException {
if ( BundleNamespaces.STYLE.equals( uri ) ) {
if ( "page-definition".equals( tagName ) ) {
return new PageDefinitionReadHandler();
}
if ( "style-rule".equals( tagName ) ) {
return new IgnoreAnyChildReadHandler();
}
if ( "style-definition".equals( tagName ) ) {
styleDefinitionReadHandler = new StyleDefinitionReadHandler();
return styleDefinitionReadHandler;
}
}
if ( BundleNamespaces.LAYOUT.equals( uri ) ) {
if ( "layout-processors".equals( tagName ) ) {
layoutProcessorHandler = new LayoutProcessorReadHandler();
return layoutProcessorHandler;
}
if ( "watermark".equals( tagName ) ) {
if ( watermarkReadHandler == null ) {
watermarkReadHandler = new WatermarkReadHandler();
}
return watermarkReadHandler;
}
if ( "page-header".equals( tagName ) ) {
if ( pageHeaderReadHandler == null ) {
pageHeaderReadHandler = new PageHeaderReadHandler();
}
return pageHeaderReadHandler;
}
if ( "page-footer".equals( tagName ) ) {
if ( pageFooterReadHandler == null ) {
pageFooterReadHandler = new PageFooterReadHandler();
}
return pageFooterReadHandler;
}
}
return null;
}
/**
* Done parsing.
*
* @throws SAXException
* if there is a parsing error.
*/
protected void doneParsing() throws SAXException {
super.doneParsing(); // To change body of overridden methods use File | Settings | File Templates.
if ( pageHeaderReadHandler != null ) {
report.setPageHeader( (PageHeader) pageHeaderReadHandler.getElement() );
}
if ( watermarkReadHandler != null ) {
report.setWatermark( (Watermark) watermarkReadHandler.getElement() );
}
if ( pageFooterReadHandler != null ) {
report.setPageFooter( (PageFooter) pageFooterReadHandler.getElement() );
}
if ( layoutProcessorHandler != null ) {
final Expression[] expressions = layoutProcessorHandler.getExpressions();
for ( int i = 0; i < expressions.length; i++ ) {
final Expression expression = expressions[i];
report.addExpression( expression );
}
}
if ( styleDefinitionReadHandler != null ) {
final ElementStyleDefinition styleDefinition = styleDefinitionReadHandler.getObject();
if ( report instanceof MasterReport && styleDefinition != null ) {
final MasterReport master = (MasterReport) report;
master.setStyleDefinition( styleDefinition );
}
}
}
/**
* 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 {
return report;
}
}