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/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2016 TIBCO Software Inc. 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;
import java.io.IOException;
import net.sf.jasperreports.annotations.properties.Property;
import net.sf.jasperreports.annotations.properties.PropertyScope;
import net.sf.jasperreports.engine.JRComponentElement;
import net.sf.jasperreports.engine.JRConstants;
import net.sf.jasperreports.engine.JRExpression;
import net.sf.jasperreports.engine.JRPropertiesUtil;
import net.sf.jasperreports.engine.JRReport;
import net.sf.jasperreports.engine.JasperReportsContext;
import net.sf.jasperreports.engine.component.ComponentKey;
import net.sf.jasperreports.engine.component.ComponentXmlWriter;
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.JRXmlBaseWriter;
import net.sf.jasperreports.engine.xml.JRXmlWriter;
import net.sf.jasperreports.properties.PropertyConstants;
/**
* @author Teodor Danciu ([email protected])
* @see ComponentsExtensionsRegistryFactory
*/
public abstract class AbstractComponentXmlWriter implements ComponentXmlWriter
{
/**
*
*/
public static final String PROPERTY_COMPONENTS_PREFIX = JRPropertiesUtil.PROPERTY_PREFIX + "components.";
/**
*
*/
@Property(
name = "net.sf.jasperreports.components.{built_in_component_name}.version",
category = PropertyConstants.CATEGORY_OTHER,
scopes = {PropertyScope.CONTEXT, PropertyScope.REPORT, PropertyScope.PART, PropertyScope.COMPONENT},
sinceVersion = PropertyConstants.VERSION_4_8_0
)
public static final String PROPERTY_COMPONENTS_VERSION_SUFFIX = ".version";
protected final JasperReportsContext jasperReportsContext;
protected final VersionComparator versionComparator;
/**
*
*/
public AbstractComponentXmlWriter(JasperReportsContext jasperReportsContext)
{
this.jasperReportsContext = jasperReportsContext;
this.versionComparator = new VersionComparator();
}
/**
*
*/
public static String getVersion(JasperReportsContext jasperReportsContext, JRComponentElement componentElement, JRXmlWriter reportWriter)
{
String version = null;
ComponentKey componentKey = componentElement.getComponentKey();
String versionProperty = PROPERTY_COMPONENTS_PREFIX + componentKey.getName() + PROPERTY_COMPONENTS_VERSION_SUFFIX;
if (componentElement.getPropertiesMap().containsProperty(versionProperty))
{
version = componentElement.getPropertiesMap().getProperty(versionProperty);
}
else
{
JRReport report = reportWriter.getReport();
version = JRPropertiesUtil.getInstance(jasperReportsContext).getProperty(report, versionProperty);
if (version == null)
{
version = JRPropertiesUtil.getInstance(jasperReportsContext).getProperty(report, JRXmlBaseWriter.PROPERTY_REPORT_VERSION);
}
}
return version;
}
/**
*
*/
protected boolean isNewerVersionOrEqual(JRComponentElement componentElement, JRXmlWriter reportWriter, String oldVersion) //FIXMEVERSION can we pass something else then reportWriter?
{
return versionComparator.compare(getVersion(jasperReportsContext, componentElement, reportWriter), oldVersion) >= 0;
}
/*
*
*/
protected boolean isOlderVersionThan(JRComponentElement componentElement, JRXmlWriter reportWriter, String version)
{
return versionComparator.compare(getVersion(jasperReportsContext, componentElement, reportWriter), version) < 0;
}
@SuppressWarnings("deprecation")
protected void writeExpression(String name, JRExpression expression, boolean writeClass, JRComponentElement componentElement, JRXmlWriter reportWriter) throws IOException
{
JRXmlWriteHelper writer = reportWriter.getXmlWriteHelper();
if(isNewerVersionOrEqual(componentElement, reportWriter, JRConstants.VERSION_4_1_1))
{
writer.writeExpression(name, expression);
}
else
{
writer.writeExpression(name, expression, writeClass);
}
}
@SuppressWarnings("deprecation")
protected void writeExpression(String name, XmlNamespace namespace, JRExpression expression, boolean writeClass, JRComponentElement componentElement, JRXmlWriter reportWriter) throws IOException
{
JRXmlWriteHelper writer = reportWriter.getXmlWriteHelper();
if(isNewerVersionOrEqual(componentElement, reportWriter, JRConstants.VERSION_4_1_1))
{
writer.writeExpression(name, namespace, expression);
}
else
{
writer.writeExpression(name, namespace, expression, writeClass);
}
}
}
