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/*

   Licensed to the Apache Software Foundation (ASF) under one or more
   contributor license agreements.  See the NOTICE file distributed with
   this work for additional information regarding copyright ownership.
   The ASF licenses this file to You under the Apache License, Version 2.0
   (the "License"); you may not use this file except in compliance with
   the License.  You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.

 */
package org.apache.batik.css.engine;

import org.w3c.css.sac.SelectorList;

/**
 * This class represents a style rule.
 *
 * @author Stephane Hillion
 * @version $Id: StyleRule.java 1831630 2018-05-15 12:56:55Z ssteiner $
 */
public class StyleRule implements Rule {

    /**
     * The type constant.
     */
    public static final short TYPE = 0;

    /**
     * The selector list.
     */
    protected SelectorList selectorList;

    /**
     * The style declaration.
     */
    protected StyleDeclaration styleDeclaration;

    /**
     * Returns a constant identifying the rule type.
     */
    public short getType() {
        return TYPE;
    }

    /**
     * Sets the selector list.
     */
    public void setSelectorList(SelectorList sl) {
        selectorList = sl;
    }

    /**
     * Returns the selector list.
     */
    public SelectorList getSelectorList() {
        return selectorList;
    }

    /**
     * Sets the style map.
     */
    public void setStyleDeclaration(StyleDeclaration sd) {
        styleDeclaration = sd;
    }

    /**
     * Returns the style declaration.
     */
    public StyleDeclaration getStyleDeclaration() {
        return styleDeclaration;
    }

    /**
     * Returns a printable representation of this style rule.
     */
    public String toString(CSSEngine eng) {
        StringBuffer sb = new StringBuffer();
        if (selectorList != null) {
            sb.append(selectorList.item(0));
            for (int i = 1; i < selectorList.getLength(); i++) {
                sb.append(", ");
                sb.append(selectorList.item(i));
            }
        }
        sb.append(" {\n");
        if (styleDeclaration != null) {
            sb.append(styleDeclaration.toString(eng));
        }
        sb.append("}\n");
        return sb.toString();
    }
}