net.sf.jasperreports.engine.export.ooxml.XlsxDrawingRelsHelper Maven / Gradle / Ivy

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Free Java Reporting Library

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/*
 * JasperReports - Free Java Reporting Library.
 * Copyright (C) 2001 - 2023 Cloud Software Group, 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.export.ooxml;

import java.io.Writer;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;

import net.sf.jasperreports.engine.JasperReportsContext;
import net.sf.jasperreports.engine.util.JRStringUtil;


/**
 * @author Teodor Danciu ([email protected])
 */
public class XlsxDrawingRelsHelper extends BaseHelper
{

	private Map linkCache = new HashMap<>();
	private Set imageNames = new HashSet<>();
	
	/**
	 * 
	 */
	public XlsxDrawingRelsHelper(JasperReportsContext jasperReportsContext, Writer writer)
	{
		super(jasperReportsContext, writer);
	}

	/**
	 * 
	 */
	public void exportHeader()
	{
		write("\n");
		write("\n");
	}
	
	/**
	 * 
	 */
	public void exportImage(String imageName)
	{
		if (!imageNames.contains(imageName))
		{
			write(" \n");
			imageNames.add(imageName);
		}
	}
	
	/**
	 *
	 */
	public int getHyperlink(String href)
	{
		Integer linkIndex = linkCache.get(href);
		if (linkIndex == null)
		{
			linkIndex = linkCache.size();
			exportHyperlink(linkIndex, href);
			linkCache.put(href, linkIndex);
		}
		return linkIndex;
	}

	/**
	 * 
	 */
	private void exportHyperlink(int index, String href)
	{
		write(" \n");
	}
	
	/**
	 * 
	 */
	public void exportFooter()
	{
		write("\n");
	}
	
}