/*******************************************************************************
* Copyright (c) 2008, 2014 Angelo Zerr and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Angelo Zerr <angelo.zerr@gmail.com> - initial API and implementation
*******************************************************************************/
package org.eclipse.e4.ui.css.core.dom.properties.converters;
import org.eclipse.e4.ui.css.core.engine.CSSEngine;
import org.w3c.dom.css.CSSPrimitiveValue;
import org.w3c.dom.css.CSSValue;
/**
* CSS Value converter to convert :
* <ul>
* <li>CSS Value to {@link Boolean}</li>.
* <li>{@link Boolean} to String CSS Value</li>
* </ul>
*
* @version 1.0.0
* @author <a href="mailto:angelo.zerr@gmail.com">Angelo ZERR</a>
*
*/
public class CSSValueBooleanConverterImpl extends AbstractCSSValueConverter {
public static final ICSSValueConverter INSTANCE = new CSSValueBooleanConverterImpl();
public CSSValueBooleanConverterImpl() {
super(Boolean.class);
}
@Override
public Object convert(CSSValue value, CSSEngine engine, Object context)
throws Exception {
if (value.getCssValueType() == CSSValue.CSS_PRIMITIVE_VALUE) {
CSSPrimitiveValue primitiveValue = (CSSPrimitiveValue) value;
if ("true".equals(primitiveValue.getStringValue()))
return Boolean.TRUE;
}
return Boolean.FALSE;
}
@Override
public String convert(Object value, CSSEngine engine, Object context,
ICSSValueConverterConfig config) throws Exception {
if (value instanceof Boolean) {
Boolean b = (Boolean) value;
if (b.booleanValue())
return "true";
}
return "false";
}
}