cz.vutbr.web.csskit.MediaQueryImpl Maven / Gradle / Ivy

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jStyleParser is a CSS parser written in Java. It has its own application interface that is designed to allow an efficient CSS processing in Java and mapping the values to the Java data types. It parses CSS 2.1 style sheets into structures that can be efficiently assigned to DOM elements. It is intended be the primary CSS parser for the CSSBox library. While handling errors, it is user agent conforming according to the CSS specification.

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/**
 * MediaQueryImpl.java
 *
 * Created on 26. 6. 2014, 15:43:53 by burgetr
 */
package cz.vutbr.web.csskit;

import java.util.Locale;

import org.unbescape.css.CssEscape;

import cz.vutbr.web.css.MediaExpression;
import cz.vutbr.web.css.MediaQuery;

/**
 * 
 * @author burgetr
 */
public class MediaQueryImpl extends AbstractRule implements MediaQuery
{
    protected boolean negative;
    protected String type;

    public MediaQueryImpl()
    {
        negative = false;
        type = null;
    }
    
    public MediaQueryImpl(String type, boolean negative)
    {
        this.negative = negative;
        this.type = type.trim().toLowerCase(Locale.ENGLISH);
    }
    
    @Override
    public boolean isNegative()
    {
        return negative;
    }
    
    @Override
    public void setNegative(boolean negative)
    {
        this.negative = negative;
    }

    @Override
    public String getType()
    {
        return type;
    }

    @Override
    public void setType(String type)
    {
        this.type = type;
    }

    @Override
    public String toString()
    {
        StringBuilder sb = new StringBuilder();
        
        if (isNegative())
            sb.append("NOT ");
        
        if (getType() != null)
        {
            sb.append(CssEscape.escapeCssIdentifier(getType()));
            if (!isEmpty())
                sb.append(OutputUtil.QUERY_DELIM);
        }
        
        sb = OutputUtil.appendList(sb, list, OutputUtil.QUERY_DELIM);
        
        return sb.toString();
    }

}