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*
* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
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package com.sun.star.report.pentaho.parser.rpt;
import com.sun.star.report.pentaho.OfficeNamespaces;
import com.sun.star.report.pentaho.model.OfficeReport;
import com.sun.star.report.pentaho.parser.ElementReadHandler;
import com.sun.star.report.pentaho.parser.chart.ChartReadHandler;
import java.util.ArrayList;
import java.util.List;
import org.jfree.report.JFreeReportInfo;
import org.jfree.report.structure.Element;
import org.jfree.report.structure.Section;
import org.pentaho.reporting.libraries.xmlns.parser.XmlReadHandler;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
public class ReportReadHandler extends ElementReadHandler
{
private RootTableReadHandler pageHeader;
private RootTableReadHandler pageFooter;
private RootTableReadHandler reportHeader;
private RootTableReadHandler reportFooter;
private RootTableReadHandler detail;
public void setDetail(final RootTableReadHandler detail)
{
this.detail = detail;
}
public final RootTableReadHandler getDetail()
{
return detail;
}
private GroupReadHandler groups;
private final OfficeReport rootSection;
private final List functionHandlers;
private final List preBodyHandlers;
private final List postBodyHandlers;
private boolean pre = true;
public ReportReadHandler()
{
rootSection = new OfficeReport();
rootSection.setAttribute(JFreeReportInfo.REPORT_NAMESPACE, "simple-report-structure", Boolean.TRUE);
functionHandlers = new ArrayList();
preBodyHandlers = new ArrayList();
postBodyHandlers = 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 Attributes atts)
throws SAXException
{
final XmlReadHandler erh;
if (OfficeNamespaces.CHART_NS.equals(uri))
{
erh = new ChartReadHandler(this);
if (pre)
{
preBodyHandlers.add(erh);
}
else
{
postBodyHandlers.add(erh);
}
}
else if (OfficeNamespaces.OOREPORT_NS.equals(uri))
{
if ("function".equals(tagName))
{
erh = new FunctionReadHandler();
functionHandlers.add(erh);
}
else if ("page-header".equals(tagName))
{
pageHeader = new RootTableReadHandler();
erh = pageHeader;
}
else if ("report-header".equals(tagName))
{
reportHeader = new RootTableReadHandler();
erh = reportHeader;
}
else if ("report-footer".equals(tagName))
{
reportFooter = new RootTableReadHandler();
erh = reportFooter;
}
else if ("page-footer".equals(tagName))
{
pageFooter = new RootTableReadHandler();
erh = pageFooter;
}
else if ("detail".equals(tagName))
{
pre = false;
detail = new DetailRootTableReadHandler();
erh = detail;
}
else if ("group".equals(tagName))
{
groups = new GroupReadHandler(this);
erh = groups;
}
else
{
erh = null;
}
}
else
{
erh = null;
}
return erh;
}
/**
* Done parsing.
*
* @throws org.xml.sax.SAXException if there is a parsing error.
*/
protected void doneParsing() throws SAXException
{
if (pageHeader != null)
{
rootSection.setPageHeader(pageHeader.getElement());
}
if (pageFooter != null)
{
rootSection.setPageFooter(pageFooter.getElement());
}
if (reportHeader != null)
{
rootSection.setReportHeader(reportHeader.getElement());
}
final Section preBody = createSection("report-pre-body", preBodyHandlers);
if (preBody != null)
{
rootSection.setPreBodySection(preBody);
}
final Section groupBody = new Section();
groupBody.setNamespace(JFreeReportInfo.REPORT_NAMESPACE);
groupBody.setType("report-body");
rootSection.setBodySection(groupBody);
// XOR: Either the detail or the group section can be set ..
if (groups != null)
{
groupBody.addNode(groups.getElement());
}
else if (detail != null)
{
groupBody.addNode(detail.getElement());
}
final Section postBody = createSection("report-post-body", postBodyHandlers);
if (postBody != null)
{
rootSection.setPostBodySection(postBody);
}
if (reportFooter != null)
{
rootSection.setReportFooter(reportFooter.getElement());
}
for (int i = 0; i < functionHandlers.size(); i++)
{
final FunctionReadHandler handler =
(FunctionReadHandler) functionHandlers.get(i);
rootSection.addExpression(handler.getExpression());
}
}
public Element getElement()
{
return rootSection;
}
private final Section createSection(final String name, final List handler)
{
if (!handler.isEmpty())
{
final Section section = new Section();
section.setNamespace(JFreeReportInfo.REPORT_NAMESPACE);
section.setType(name);
for (int i = 0; i < handler.size(); i++)
{
final ElementReadHandler erh = (ElementReadHandler) handler.get(i);
section.addNode(erh.getElement());
}
return section;
}
return null;
}
}