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This is a backport of OpenJFX 8 to run on Java 7.
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/*
 * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package javafx.beans.property;

/**
 * This class provides a full implementation of a {@link Property} wrapping a
 * {@code String} value.
 * 
 * @see StringPropertyBase
 * 
 * @since JavaFX 2.0
 */
public class SimpleStringProperty extends StringPropertyBase {

    private static final Object DEFAULT_BEAN = null;
    private static final String DEFAULT_NAME = "";

    private final Object bean;
    private final String name;

    /**
     * {@inheritDoc}
     */
    @Override
    public Object getBean() {
        return bean;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public String getName() {
        return name;
    }

    /**
     * The constructor of {@code StringProperty}
     */
    public SimpleStringProperty() {
        this(DEFAULT_BEAN, DEFAULT_NAME);
    }

    /**
     * The constructor of {@code StringProperty}
     * 
     * @param initialValue
     *            the initial value of the wrapped value
     */
    public SimpleStringProperty(String initialValue) {
        this(DEFAULT_BEAN, DEFAULT_NAME, initialValue);
    }

    /**
     * The constructor of {@code StringProperty}
     * 
     * @param bean
     *            the bean of this {@code StringProperty}
     * @param name
     *            the name of this {@code StringProperty}
     */
    public SimpleStringProperty(Object bean, String name) {
        this.bean = bean;
        this.name = (name == null) ? DEFAULT_NAME : name;
    }

    /**
     * The constructor of {@code StringProperty}
     * 
     * @param bean
     *            the bean of this {@code StringProperty}
     * @param name
     *            the name of this {@code StringProperty}
     * @param initialValue
     *            the initial value of the wrapped value
     */
    public SimpleStringProperty(Object bean, String name, String initialValue) {
        super(initialValue);
        this.bean = bean;
        this.name = (name == null) ? DEFAULT_NAME : name;
    }

}