/*
* $Id: CSSCharsetRuleImpl.java,v 1.2 2008/03/26 02:17:24 sdanig Exp $
*
* CSS Parser Project
*
* Copyright (C) 1999-2005 David Schweinsberg. All rights reserved.
*
* This library 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 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* To contact the authors of the library:
*
* http://cssparser.sourceforge.net/
* mailto:davidsch@users.sourceforge.net
*/
package com.steadystate.css.dom;
import java.io.IOException;
import java.io.Serializable;
import java.io.StringReader;
import org.w3c.dom.DOMException;
import org.w3c.dom.css.CSSCharsetRule;
import org.w3c.dom.css.CSSRule;
import org.w3c.css.sac.InputSource;
import org.w3c.css.sac.CSSException;
import com.steadystate.css.parser.CSSOMParser;
/**
* Implementation of {@link CSSCharsetRule}.
*
* @author <a href="mailto:davidsch@users.sourceforge.net">David Schweinsberg</a>
* @version $Id: CSSCharsetRuleImpl.java,v 1.2 2008/03/26 02:17:24 sdanig Exp $
*/
public class CSSCharsetRuleImpl extends AbstractCSSRuleImpl implements CSSCharsetRule, Serializable {
private static final long serialVersionUID = -2472209213089007127L;
String encoding = null;
public CSSCharsetRuleImpl(
CSSStyleSheetImpl parentStyleSheet,
CSSRule parentRule,
String encoding) {
super(parentStyleSheet, parentRule);
this.encoding = encoding;
}
public CSSCharsetRuleImpl()
{
}
public short getType() {
return CHARSET_RULE;
}
public String getCssText() {
return "@charset \"" + this.getEncoding() + "\";";
}
public void setCssText(String cssText) throws DOMException {
if (this.parentStyleSheet != null && this.parentStyleSheet.isReadOnly()) {
throw new DOMExceptionImpl(
DOMException.NO_MODIFICATION_ALLOWED_ERR,
DOMExceptionImpl.READ_ONLY_STYLE_SHEET);
}
try {
InputSource is = new InputSource(new StringReader(cssText));
CSSOMParser parser = new CSSOMParser();
CSSRule r = parser.parseRule(is);
// The rule must be a charset rule
if (r.getType() == CSSRule.CHARSET_RULE) {
this.encoding = ((CSSCharsetRuleImpl)r).encoding;
} else {
throw new DOMExceptionImpl(
DOMException.INVALID_MODIFICATION_ERR,
DOMExceptionImpl.EXPECTING_CHARSET_RULE);
}
} catch (CSSException e) {
throw new DOMExceptionImpl(
DOMException.SYNTAX_ERR,
DOMExceptionImpl.SYNTAX_ERROR,
e.getMessage());
} catch (IOException e) {
throw new DOMExceptionImpl(
DOMException.SYNTAX_ERR,
DOMExceptionImpl.SYNTAX_ERROR,
e.getMessage());
}
}
public String getEncoding() {
return this.encoding;
}
public void setEncoding(String encoding) throws DOMException {
this.encoding = encoding;
}
}