StringBuilderConverter.java

/*
Copyright (c) 2008 Arno Haase.
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:
    Arno Haase - initial API and implementation
 */
package org.eclipse.xtend.backend.functions.java.internal;


/**
 * This class is necessary because any CharSequence is a valid backend representation of
 *  a String.
 *  
 * @author Arno Haase (http://www.haase-consulting.com)
 */
public final class StringBuilderConverter implements JavaBuiltinConverter{

    public Object backendToJava (Object o) {
        if (o == null)
            return null;
        if (o instanceof StringBuilder)
            return o;
        
        return new StringBuilder (o.toString());
    }

    public Object javaToBackend (Object o) {
        return o;
    }
}