//
// $Id: AtRuleNamespace.java,v 1.2 2011/10/21 01:49:08 ylafon Exp $
//
// (c) COPYRIGHT MIT, Keio University and ERCIM, 2009.
// Please first read the full copyright statement in file COPYRIGHT.html
/*
 * AtRuleMedia.java
 * $Id: AtRuleNamespace.java,v 1.2 2011/10/21 01:49:08 ylafon Exp $
 */
package org.w3c.css.parser;

/**
 * This class manages all imports
 *
 * @version $Revision: 1.2 $
 * @author  Philippe Le Hegaret
 */
public class AtRuleNamespace extends AtRule {

    boolean     is_default   = false;
    boolean     is_url       = false;
    String      prefix       = null;
    String      nsname       = null;

    public String keyword() {
	return "namespace";
    }

    public boolean isEmpty() {
	return true;
    }

    /**
     * The second must be exactly the same of this one
     */
    public boolean canApply(AtRule atRule) {
	return false;
    }

    /**
     * The second must only match this one
     */
    public boolean canMatch(AtRule atRule) {
	return false;
    }


    /**
     * Returns a string representation of the object.
     */
    public String toString() {
	StringBuilder ret  = new StringBuilder();

	ret.append('@');
	ret.append(keyword());
	ret.append(' ');
	if (!is_default) {
	    ret.append(prefix);
	    ret.append(' ');
	}
	ret.append((is_url) ? "url(\"" : '\"');
	ret.append(nsname);
	ret.append((is_url) ? "\")" : '\"');
	ret.append(';');
	return ret.toString();
    }

    public AtRuleNamespace(String prefix, String nsname, boolean is_url) {
	this.prefix = prefix;
	is_default = (prefix == null);
	this.nsname = nsname;
	this.is_url   = is_url; 
    }
}