/*******************************************************************************
 * Copyright (c) 2007 Matt Carter 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:
 *     Matt Carter - initial API and implementation
 ******************************************************************************/

module org.eclipse.core.internal.databinding.conversion.CharacterToStringConverter;

import java.lang.all;

import org.eclipse.core.databinding.conversion.Converter;

/**
 * Converts a character to a string.
 */
public class CharacterToStringConverter : Converter {
    private final bool primitive;

    /**
     * @param primitive
     */
    private this(bool primitive) {
        super(primitive ? Character.TYPE : Class.fromType!(Character), Class.fromType!(StringCls));
        this.primitive = primitive;
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.eclipse.core.databinding.conversion.IConverter#convert(java.lang.Object)
     */
    public Object convert(Object fromObject) {
        // Null is allowed when the type is not primitive.
        if (fromObject is null) {
            if (primitive)
                throw new IllegalArgumentException(
                        "'fromObject' is null. Cannot convert to primitive char."); //$NON-NLS-1$
            return stringcast(""); //$NON-NLS-1$
        }

        if (!( null !is cast(Character)fromObject )) {
            throw new IllegalArgumentException(
                    "'fromObject' is not of type [Character]."); //$NON-NLS-1$
        }

        return stringcast(String_valueOf((cast(Character) fromObject).charValue()));
    }

    /**
     * @param primitive
     * @return converter
     */
    public static CharacterToStringConverter fromCharacter(bool primitive) {
        return new CharacterToStringConverter(primitive);
    }

}