/*
 * Copyright 2011 by Graz University of Technology, Austria
 * MOCCA has been developed by the E-Government Innovation Center EGIZ, a joint
 * initiative of the Federal Chancellery Austria and Graz University of Technology.
 *
 * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
 * the European Commission - subsequent versions of the EUPL (the "Licence");
 * You may not use this work except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
 * http://www.osor.eu/eupl/
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the Licence is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Licence for the specific language governing permissions and
 * limitations under the Licence.
 *
 * This product combines work with different licenses. See the "NOTICE" text
 * file for details on the various modules and licenses.
 * The "NOTICE" text file is part of the distribution. Any derivative works
 * that you distribute must include a readable copy of the "NOTICE" text file.
 */


package at.gv.egiz.bku.slxhtml.css;

import org.w3c.css.properties.css1.CssLetterSpacing;
import org.w3c.css.util.ApplContext;
import org.w3c.css.util.InvalidParamException;
import org.w3c.css.values.CssExpression;
import org.w3c.css.values.CssLength;
import org.w3c.css.values.CssNumber;

public class CssLetterSpacingSLXHTML extends CssLetterSpacing {

  public CssLetterSpacingSLXHTML() {
  }

  public CssLetterSpacingSLXHTML(ApplContext ac, CssExpression expression,
      boolean check) throws InvalidParamException {
    super(ac, expression, check);

    Object value = get();
    if (value instanceof CssLength) {
      Object length = ((CssLength) value).get();
      if (length instanceof Float && ((Float) length).floatValue() < 0) {
        throw new SLXHTMLInvalidParamException("spacing", length, getPropertyName(), ac);
      }
    } else if (value instanceof CssNumber) {
      if (((CssNumber) value).getValue() < 0) {
        throw new SLXHTMLInvalidParamException("spacing", value, getPropertyName(), ac);
      }
    }
  
  }

  public CssLetterSpacingSLXHTML(ApplContext ac, CssExpression expression)
      throws InvalidParamException {
    this(ac, expression, false);
  }

}