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/*
This file is part of Subsonic.
Subsonic is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Subsonic 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with Subsonic. If not, see <http://www.gnu.org/licenses/>.
Copyright 2009 (C) Sindre Mehus
*/
package net.sourceforge.subsonic.controller;
import org.springframework.web.servlet.support.*;
import org.springframework.web.servlet.mvc.*;
import org.springframework.ui.context.*;
import javax.servlet.http.*;
import java.awt.*;
import java.util.*;
/**
* Abstract super class for controllers which generate charts.
*
* @author Sindre Mehus
*/
public abstract class AbstractChartController implements Controller {
/**
* Returns the chart background color for the current theme.
* @param request The servlet request.
* @return The chart background color.
*/
protected Color getBackground(HttpServletRequest request) {
return getColor("backgroundColor", request);
}
/**
* Returns the chart foreground color for the current theme.
* @param request The servlet request.
* @return The chart foreground color.
*/
protected Color getForeground(HttpServletRequest request) {
return getColor("textColor", request);
}
private Color getColor(String code, HttpServletRequest request) {
Theme theme = RequestContextUtils.getTheme(request);
Locale locale = RequestContextUtils.getLocale(request);
String colorHex = theme.getMessageSource().getMessage(code, new Object[0], locale);
return new Color(Integer.parseInt(colorHex, 16));
}
}
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