net.sf.jasperreports.engine.util.PageRange Maven / Gradle / Ivy
/*
* 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.util;
import java.util.ArrayList;
import java.util.List;
/**
* @author Teodor Danciu ([email protected])
*/
public class PageRange
{
private Integer startPageIndex;
private Integer endPageIndex;
/**
*
*/
public PageRange(Integer startPageIndex, Integer endPageIndex)
{
this.startPageIndex = startPageIndex;
this.endPageIndex = endPageIndex;
}
/**
*
*/
public Integer getStartPageIndex()
{
return startPageIndex;
}
/**
*
*/
public Integer getEndPageIndex()
{
return endPageIndex;
}
/**
*
*/
public static PageRange[] parse(String strRanges)
{
List ranges = null;
if (strRanges != null && strRanges.trim().length() > 0)
{
ranges = new ArrayList();
String[] rangeTokens = strRanges.split(",");
for (String rangeToken : rangeTokens)
{
PageRange pageRange = null;
int hyphenPos = rangeToken.indexOf("-");
if (hyphenPos > 0 && hyphenPos < rangeToken.length() - 1)
{
pageRange =
new PageRange(
Integer.valueOf(rangeToken.substring(0, hyphenPos).trim()),
Integer.valueOf(rangeToken.substring(hyphenPos + 1).trim())
);
}
else
{
int pageIndex = Integer.valueOf(rangeToken.trim());
pageRange = new PageRange(pageIndex, pageIndex);
}
ranges.add(pageRange);
}
}
return ranges == null ? null : (PageRange[]) ranges.toArray(new PageRange[ranges.size()]);
}
/**
*
*/
public static boolean isPageInRanges(int pageIndex, PageRange[] ranges)
{
boolean isInRanges = false;
if (ranges != null)
{
for (PageRange range : ranges)
{
if (range.startPageIndex <= pageIndex && pageIndex <= range.endPageIndex)
{
isInRanges = true;
break;
}
}
}
return isInRanges;
}
}