LabelType.java

/*******************************************************************************
 * Copyright (c) 2008 Ralf Ebert
 * 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:
 *     Ralf Ebert - initial API and implementation
 *******************************************************************************/
package com.swtxml.i18n;

import com.swtxml.util.context.Context;
import com.swtxml.util.parser.ParseException;
import com.swtxml.util.types.IType;

public class LabelType implements IType<String> {

	public String convert(String value) {
		if (value.startsWith("%")) {
			ILabelTranslator translator = Context.adaptTo(ILabelTranslator.class);
			if (translator == null) {
				throw new ParseException("Found label property \"" + value
						+ "\", but no translator is available!");
			}
			return translator.translate(value.substring(1));
		}
		return value;
	}

}