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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.web.util;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.HashMap;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import net.sf.jasperreports.engine.JRRuntimeException;
import net.sf.jasperreports.engine.JasperReportsContext;
import net.sf.jasperreports.engine.export.HtmlFont;
import net.sf.jasperreports.engine.export.HtmlFontFamily;
import net.sf.jasperreports.engine.export.HtmlFontUtil;
import net.sf.jasperreports.engine.export.HtmlResourceHandler;
import net.sf.jasperreports.engine.fonts.FontFace;
import net.sf.jasperreports.engine.fonts.FontFamily;
/**
* @author Teodor Danciu ([email protected])
*/
public class FontWebResourceHandler implements WebResourceHandler
{
/**
*
*/
public static final String REQUEST_PARAMETER_FONT_NAME = "font";
@Override
public boolean handleResource(JasperReportsContext jasperReportsContext, HttpServletRequest request, HttpServletResponse response)
{
String fontName = request.getParameter(REQUEST_PARAMETER_FONT_NAME);
if (fontName != null)
{
HtmlFontFamily htmlFontFamily = HtmlFontFamily.getInstance(jasperReportsContext, fontName);
if (htmlFontFamily != null)
{
response.setContentType("text/css");
try
{
String basePath = getResourceBasePath(jasperReportsContext, request);
byte[] resourceData = processFont(jasperReportsContext, basePath, htmlFontFamily);
response.getOutputStream().write(resourceData);//FIXMEFONT close this properly
}
catch (IOException e)
{
throw new JRRuntimeException(e);
}
return true;
}
}
return false;
}
/**
*
*/
protected byte[] processFont(JasperReportsContext jasperReportsContext, String basePath, HtmlFontFamily htmlFontFamily)
{
FontFamilyHtmlResourceHandler resourceHandler = new FontFamilyHtmlResourceHandler(basePath, htmlFontFamily);
String fontCss = HtmlFontUtil.getInstance(jasperReportsContext).getHtmlFont(resourceHandler, null, htmlFontFamily, true, true);
try
{
return fontCss.getBytes("UTF-8");
}
catch (UnsupportedEncodingException e)
{
throw new JRRuntimeException(e);
}
}
/**
*
*/
public String getResourceBasePath(JasperReportsContext jasperReportsContext, HttpServletRequest request)
{
return request.getContextPath() + WebUtil.getInstance(jasperReportsContext).getResourcesPath() + "/";
//String basePath = request.getContextPath() + webUtil.getResourcesBasePath();
}
public static class FontFamilyHtmlResourceHandler implements HtmlResourceHandler
{
private String basePath;
private Map fontFaceIds;
public FontFamilyHtmlResourceHandler(String basePath, HtmlFontFamily htmlFontFamily)
{
this.basePath = basePath;
fontFaceIds = new HashMap();
FontFamily fontFamily = htmlFontFamily.getFontFamily();
FontFace fontFace = fontFamily.getNormalFace();
if (fontFace != null)
{
HtmlFont htmlFont = HtmlFont.getInstance(htmlFontFamily, htmlFontFamily.getLocale(), fontFace, false, false);
addHtmlFont(htmlFont);
}
fontFace = fontFamily.getBoldFace();
if (fontFace != null)
{
HtmlFont htmlFont = HtmlFont.getInstance(htmlFontFamily, htmlFontFamily.getLocale(), fontFace, true, false);
addHtmlFont(htmlFont);
}
fontFace = fontFamily.getItalicFace();
if (fontFace != null)
{
HtmlFont htmlFont = HtmlFont.getInstance(htmlFontFamily, htmlFontFamily.getLocale(), fontFace, false, true);
addHtmlFont(htmlFont);
}
fontFace = fontFamily.getBoldItalicFace();
if (fontFace != null)
{
HtmlFont htmlFont = HtmlFont.getInstance(htmlFontFamily, htmlFontFamily.getLocale(), fontFace, true, true);
addHtmlFont(htmlFont);
}
}
protected void addHtmlFont(HtmlFont htmlFont)
{
fontFaceIds.put(htmlFont.getId() + ".ttf", htmlFont.getTtf());
fontFaceIds.put(htmlFont.getId() + ".eot", htmlFont.getEot());
fontFaceIds.put(htmlFont.getId() + ".woff", htmlFont.getWoff());
fontFaceIds.put(htmlFont.getId() + ".svg", htmlFont.getSvg());
}
@Override
public String getResourcePath(String id)
{
if (fontFaceIds.containsKey(id))
{
return basePath + fontFaceIds.get(id);
}
return basePath + id;
}
@Override
public void handleResource(String id, byte[] data)
{
}
}
}