/*
* Copyright 2008 Federal Chancellery Austria and
* Graz University of Technology
*
* Licensed 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 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);
  }

}