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/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2011 Jaspersoft Corporation. All rights reserved.
* http://www.jaspersoft.com
*
* Unless you have purchased a commercial license agreement from Jaspersoft,
* the following license terms apply:
*
* This program is part of JasperReports.
*
* JasperReports is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* JasperReports 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.
*
* You should have received a copy of the GNU Lesser General Public License
* along with JasperReports. If not, see .
*/
package net.sf.jasperreports.components.sort;
import java.io.IOException;
import net.sf.jasperreports.engine.DefaultJasperReportsContext;
import net.sf.jasperreports.engine.JRComponentElement;
import net.sf.jasperreports.engine.JRConstants;
import net.sf.jasperreports.engine.JRExpression;
import net.sf.jasperreports.engine.JasperReportsContext;
import net.sf.jasperreports.engine.component.Component;
import net.sf.jasperreports.engine.component.ComponentKey;
import net.sf.jasperreports.engine.component.ComponentXmlWriter;
import net.sf.jasperreports.engine.component.ComponentsEnvironment;
import net.sf.jasperreports.engine.type.EvaluationTimeEnum;
import net.sf.jasperreports.engine.util.JRXmlWriteHelper;
import net.sf.jasperreports.engine.util.VersionComparator;
import net.sf.jasperreports.engine.util.XmlNamespace;
import net.sf.jasperreports.engine.xml.JRXmlWriter;
/**
* @author Narcis Marcu ([email protected])
* @version $Id: SortComponentXmlWriter.java 5673 2012-09-20 12:08:55Z shertage $
*/
public class SortComponentXmlWriter implements ComponentXmlWriter
{
// used for versioning backward compatibility only
public static final String PROPERTY_HANDLER_FONT_SIZE = "handlerFontSize";
private JasperReportsContext jasperReportsContext;
private final String version;
private final VersionComparator versionComparator;
/**
* @deprecated Replaced by {@link #SortComponentXmlWriter(JasperReportsContext)}.
*/
public SortComponentXmlWriter()
{
this(DefaultJasperReportsContext.getInstance());
}
/**
*
*/
public SortComponentXmlWriter(JasperReportsContext jasperReportsContext)
{
this(jasperReportsContext, null, new VersionComparator());
}
public SortComponentXmlWriter(JasperReportsContext jasperReportsContext, String version, VersionComparator versionComparator)
{
this.jasperReportsContext = jasperReportsContext;
this.version = version;
this.versionComparator = versionComparator;
}
public boolean isToWrite(JRComponentElement componentElement, JRXmlWriter reportWriter)
{
return isNewerVersionOrEqual(version, JRConstants.VERSION_4_1_1);
}
public void writeToXml(JRComponentElement componentElement, JRXmlWriter reportWriter) throws IOException
{
Component component = componentElement.getComponent();
if (component instanceof SortComponent) {
SortComponent sortComponent = (SortComponent) component;
ComponentKey componentKey = componentElement.getComponentKey();
writeSortComponent(sortComponent, componentKey, reportWriter);
}
}
protected void writeSortComponent(SortComponent sortComponent, ComponentKey componentKey,
JRXmlWriter reportWriter) throws IOException {
JRXmlWriteHelper writer = reportWriter.getXmlWriteHelper();
String namespaceURI = componentKey.getNamespace();
String schemaLocation =
ComponentsEnvironment.getInstance(jasperReportsContext).getBundle(namespaceURI).getXmlParser().getPublicSchemaLocation();
XmlNamespace componentNamespace = new XmlNamespace(namespaceURI, componentKey.getNamespacePrefix(),
schemaLocation);
writer.startElement("sort", componentNamespace);
if(isOlderVersionThan(version, JRConstants.VERSION_4_1_3))
{
writer.addAttribute(SortComponent.PROPERTY_COLUMN_NAME, sortComponent.getSortFieldName());
writer.addAttribute(SortComponent.PROPERTY_COLUMN_TYPE, sortComponent.getSortFieldType());
writer.addAttribute(SortComponent.PROPERTY_HANDLER_COLOR, sortComponent.getHandlerColor());
writer.addAttribute(PROPERTY_HANDLER_FONT_SIZE, sortComponent.getSymbolFont().getFontSize());
writer.addAttribute(SortComponent.PROPERTY_HANDLER_HORIZONTAL_ALIGN, sortComponent.getHandlerHorizontalAlign());
writer.addAttribute(SortComponent.PROPERTY_HANDLER_VERTICAL_ALIGN, sortComponent.getHandlerVerticalAlign());
}
if (sortComponent.getEvaluationTime() != EvaluationTimeEnum.NOW) {
writer.addAttribute(SortComponent.PROPERTY_EVALUATION_TIME, sortComponent.getEvaluationTime());
}
writer.addAttribute(SortComponent.PROPERTY_EVALUATION_GROUP, sortComponent.getEvaluationGroup());
if(isNewerVersionOrEqual(version, JRConstants.VERSION_4_1_3))
{
// write symbol settings
writer.startElement("symbol");
if (sortComponent.getHandlerColor() != null)
{
writer.addAttribute(SortComponent.PROPERTY_HANDLER_COLOR, sortComponent.getHandlerColor());
}
writer.addAttribute(SortComponent.PROPERTY_COLUMN_TYPE, sortComponent.getSortFieldType());
writer.addAttribute(SortComponent.PROPERTY_COLUMN_NAME, sortComponent.getSortFieldName());
writer.addAttribute(SortComponent.PROPERTY_HANDLER_HORIZONTAL_ALIGN, sortComponent.getHandlerHorizontalAlign());
writer.addAttribute(SortComponent.PROPERTY_HANDLER_VERTICAL_ALIGN, sortComponent.getHandlerVerticalAlign());
reportWriter.writeFont(sortComponent.getSymbolFont());
writer.closeElement();
}
writer.closeElement();
}
protected boolean isNewerVersionOrEqual(String currentVersion, String oldVersion)
{
return versionComparator.compare(currentVersion, oldVersion) >= 0;
}
protected boolean isOlderVersionThan(String currentVersion, String version)
{
return versionComparator.compare(currentVersion, version) < 0;
}
@SuppressWarnings("deprecation")
protected void writeExpression(String name, XmlNamespace namespace, JRExpression expression, boolean writeClass, JRXmlWriteHelper writer) throws IOException
{
if(isNewerVersionOrEqual(version, JRConstants.VERSION_4_1_1))
{
writer.writeExpression(name, namespace, expression);
}
else
{
writer.writeExpression(name, namespace, expression, writeClass);
}
}
}
