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Free Java Reporting Library
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2019 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.engine.base;
import java.io.Serializable;
import java.util.Iterator;
import java.util.Map;
import java.util.NavigableMap;
import java.util.concurrent.ConcurrentSkipListMap;
import net.sf.jasperreports.engine.JRConstants;
import net.sf.jasperreports.engine.PrintPageFormat;
import net.sf.jasperreports.engine.PrintPart;
import net.sf.jasperreports.engine.PrintParts;
/**
* @author Lucian Chirita ([email protected])
*/
public class StandardPrintParts implements PrintParts, Serializable
{
private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
private NavigableMap parts;
public StandardPrintParts()
{
this.parts = new ConcurrentSkipListMap();
}
@Override
public boolean hasParts()
{
return !parts.isEmpty();
}
@Override
public int partCount()
{
return parts.size();
}
@Override
public boolean startsAtZero()
{
if (!hasParts())
{
return false;
}
return parts.firstKey() == 0;
}
@Override
public void addPart(int pageIndex, PrintPart part)
{
parts.put(pageIndex, part);
}
@Override
public PrintPart removePart(int pageIndex)
{
return parts.remove(pageIndex);
}
@Override
public Iterator> partsIterator()
{
return parts.entrySet().iterator();
}
@Override
public int getStartPageIndex(int partIndex)
{
//FIXMEBOOK faster implementation?
int partStartPage = 0;
Iterator it = parts.keySet().iterator();
int i = 0;
while (i <= partIndex && it.hasNext())
{
partStartPage = it.next();
i++;
}
return partStartPage;
}
@Override
public int getPartIndex(int pageIndex)
{
//FIXMEBOOK faster implementation?
int partIndex = 0;
Iterator it = parts.keySet().iterator();
while (it.hasNext())
{
Integer pgIdx = it.next();
if (pageIndex < pgIdx)
{
break;
}
partIndex++;
}
return partIndex;
}
@Override
public PrintPageFormat getPageFormat(int pageIndex)
{
Map.Entry partEntry = parts.floorEntry(pageIndex);
return partEntry == null ? null : partEntry.getValue().getPageFormat();
}
public StandardPrintParts shallowClone()
{
StandardPrintParts clone = new StandardPrintParts();
clone.parts.putAll(this.parts);
return clone;
}
}