/*
* 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.simple.readhandlers;
import org.pentaho.reporting.engine.classic.core.AttributeNames;
import org.pentaho.reporting.engine.classic.core.Band;
import org.pentaho.reporting.engine.classic.core.Element;
import org.pentaho.reporting.engine.classic.core.elementfactory.BandElementFactory;
import org.pentaho.reporting.engine.classic.core.elementfactory.TextElementFactory;
import org.pentaho.reporting.engine.classic.core.modules.parser.base.PropertyAttributes;
import org.pentaho.reporting.engine.classic.core.modules.parser.base.ReportElementReadHandler;
import org.pentaho.reporting.engine.classic.core.modules.parser.base.ReportElementReadHandlerFactory;
import org.pentaho.reporting.engine.classic.core.modules.parser.base.common.StyleExpressionHandler;
import org.pentaho.reporting.engine.classic.core.style.BandStyleKeys;
import org.pentaho.reporting.libraries.xmlns.parser.XmlReadHandler;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import java.util.ArrayList;
public class BandReadHandler extends AbstractTextElementReadHandler {
/**
* Literal text for an XML report element.
*/
public static final String ROUND_RECTANGLE_TAG = "round-rectangle";
/**
* Literal text for an XML report element.
*/
public static final String LABEL_TAG = "label";
/**
* Literal text for an XML report element.
*/
public static final String STRING_FIELD_TAG = "string-field";
/**
* Literal text for an XML report element.
*/
public static final String NUMBER_FIELD_TAG = "number-field";
/**
* Literal text for an XML report element.
*/
public static final String DATE_FIELD_TAG = "date-field";
/**
* Literal text for an XML report element.
*/
public static final String IMAGEREF_TAG = "imageref";
/**
* Literal text for an XML report element.
*/
public static final String IMAGEFIELD_TAG = "image-field";
/**
* Literal text for an XML report element.
*/
public static final String IMAGEURLFIELD_TAG = "imageurl-field";
/**
* Literal text for an XML report element.
*/
public static final String RECTANGLE_TAG = "rectangle";
/**
* Literal text for an XML report element.
*/
public static final String RESOURCELABEL_TAG = "resource-label";
/**
* Literal text for an XML report element.
*/
public static final String RESOURCEFIELD_TAG = "resource-field";
/**
* Literal text for an XML report element.
*/
public static final String RESOURCEMESSAGE_TAG = "resource-message";
/**
* Literal text for an XML report element.
*/
public static final String COMPONENTFIELD_TAG = "component-field";
/**
* Literal text for an XML report element.
*/
public static final String LINE_TAG = "line";
/**
* Literal text for an XML report element.
*/
public static final String DRAWABLE_FIELD_TAG = "drawable-field";
/**
* Literal text for an XML report element.
*/
public static final String SHAPE_FIELD_TAG = "shape-field";
/**
* Literal text for an XML report element.
*/
public static final String BAND_TAG = "band";
/**
* Literal text for an XML report element.
*/
public static final String MESSAGE_FIELD_TAG = "message-field";
/**
* Literal text for an XML report element.
*/
public static final String ANCHOR_FIELD_TAG = "anchor-field";
/**
* Literal text for an XML attribute value.
*/
private static final String LAYOUT_ATT = "layout";
private BandElementFactory bandFactory;
private Band band;
private ArrayList<ReportElementReadHandler> elementHandlers;
private ArrayList<StyleExpressionHandler> styleExpressionHandlers;
public BandReadHandler() {
this( new Band() );
}
protected BandReadHandler( final Band band ) {
if ( band == null ) {
throw new NullPointerException();
}
this.band = band;
this.bandFactory = new BandElementFactory( band );
this.elementHandlers = new ArrayList<ReportElementReadHandler>();
styleExpressionHandlers = new ArrayList<StyleExpressionHandler>();
}
protected TextElementFactory getTextElementFactory() {
return bandFactory;
}
/**
* Starts parsing.
*
* @param attr
* the attributes.
* @throws org.xml.sax.SAXException
* if there is a parsing error.
*/
protected void startParsing( final PropertyAttributes attr ) throws SAXException {
super.startParsing( attr );
handleLayout( attr );
}
public Band getBand() {
return band;
}
private void handleLayout( final Attributes attr ) {
final String layoutManagerName = attr.getValue( getUri(), BandReadHandler.LAYOUT_ATT );
if ( layoutManagerName != null ) {
if ( "org.jfree.report.layout.StaticLayoutManager".equals( layoutManagerName ) ) {
getBand().getStyle().setStyleProperty( BandStyleKeys.LAYOUT, "canvas" );
} else if ( "org.jfree.report.layout.StackedLayoutManager".equals( layoutManagerName ) ) {
getBand().getStyle().setStyleProperty( BandStyleKeys.LAYOUT, "block" );
}
if ( "org.pentaho.reporting.engine.classic.core.layout.StaticLayoutManager".equals( layoutManagerName ) ) {
getBand().getStyle().setStyleProperty( BandStyleKeys.LAYOUT, "canvas" );
} else if ( "org.pentaho.reporting.engine.classic.core.layout.StackedLayoutManager".equals( layoutManagerName ) ) {
getBand().getStyle().setStyleProperty( BandStyleKeys.LAYOUT, "block" );
} else {
getBand().getStyle().setStyleProperty( BandStyleKeys.LAYOUT, layoutManagerName );
}
}
}
/**
* 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 SAXException
* if there is a parsing error.
*/
protected XmlReadHandler getHandlerForChild( final String uri, final String tagName, final PropertyAttributes atts )
throws SAXException {
final ReportElementReadHandlerFactory factory = ReportElementReadHandlerFactory.getInstance();
final ReportElementReadHandler handler = factory.getHandler( uri, tagName );
if ( handler != null ) {
elementHandlers.add( handler );
return handler;
}
if ( isSameNamespace( uri ) == false ) {
return null;
}
if ( "style-expression".equals( tagName ) ) {
final StyleExpressionHandler stylehandler = new StyleExpressionHandler();
styleExpressionHandlers.add( stylehandler );
return stylehandler;
}
return null;
}
/**
* Done parsing.
*
* @throws SAXException
* if there is a parsing error.
*/
protected void doneParsing() throws SAXException {
for ( int i = 0; i < elementHandlers.size(); i++ ) {
final XmlReadHandler readHandler = elementHandlers.get( i );
final Element e = (Element) readHandler.getObject();
band.addElement( e );
}
for ( int i = 0; i < styleExpressionHandlers.size(); i++ ) {
final StyleExpressionHandler handler = styleExpressionHandlers.get( i );
if ( handler.getKey() != null ) {
band.setStyleExpression( handler.getKey(), handler.getExpression() );
}
}
band.setAttribute( AttributeNames.Core.NAMESPACE, AttributeNames.Core.SOURCE, getRootHandler().getSource() );
super.doneParsing();
}
/**
* Returns the object for this element or null, if this element does not create an object.
*
* @return the object.
*/
public Object getObject() {
return band;
}
}