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/*
 * Copyright 2000,2005 wingS development team.
 *
 * This file is part of wingS (http://wingsframework.org).
 *
 * wingS 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 2.1
 * of the License, or (at your option) any later version.
 *
 * Please see COPYING for the complete licence.
 */
package org.wings.style;

import org.wings.SFont;
import org.wings.io.Device;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.awt.*;
import java.io.*;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.*;
import java.util.List;

public class CSSStyleSheet implements StyleSheet {
    /**
     * Apache jakarta commons logger
     */
    private final static Logger log = LoggerFactory.getLogger(CSSStyleSheet.class);
    
    private static final Map lengthMapping = new HashMap<>();
    static {
        lengthMapping.put("pt", 1f);
        lengthMapping.put("px", 1.3f);
        lengthMapping.put("mm", 2.83464f);
        lengthMapping.put("cm", 28.3464f);
        lengthMapping.put("pc", 12f);
        lengthMapping.put("in", 72f);
    }

    private final Map map;

    /**
     * Constructs an empty style sheet.
      */
    public CSSStyleSheet() {
        map = new HashMap<>();
    }

    /**
     * Constructs a new style sheet instance by parsing the passed input stream into {@link #read(java.io.InputStream)}.
     * @param in Input stream containing a valid CSS style sheet file.
     */
    public CSSStyleSheet(InputStream in) throws IOException {
        this();
        read(in);
    }

    @Override
    public void putStyle(Style style) {
        map.put(style.getSelector(), style);
        //style.setSheet(this);
    }

    @Override
    public Set