Java tutorial
/* * Copyright (c) 2011, 2016, 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; import javafx.beans.binding.Bindings; import javafx.beans.value.ObservableValue; import javafx.beans.value.WritableStringValue; import javafx.util.StringConverter; import java.text.Format; /** * This class provides a full implementation of a {@link Property} wrapping a * {@code String} value. * * The value of a {@code StringProperty} can be get and set with {@link #get()}, * {@link #getValue()}, {@link #set(Object)}, and {@link #setValue(String)}. * * A property can be bound and unbound unidirectional with * {@link #bind(ObservableValue)} and {@link #unbind()}. Bidirectional bindings * can be created and removed with {@link #bindBidirectional(Property)} and * {@link #unbindBidirectional(Property)}. * * The context of a {@code StringProperty} can be read with {@link #getBean()} * and {@link #getName()}. * * @see javafx.beans.value.ObservableStringValue * @see javafx.beans.value.WritableStringValue * @see ReadOnlyStringProperty * @see Property * * @since JavaFX 2.0 */ public abstract class StringProperty extends ReadOnlyStringProperty implements Property<String>, WritableStringValue { /** * {@inheritDoc} */ @Override public void setValue(String v) { set(v); } /** * {@inheritDoc} */ @Override public void bindBidirectional(Property<String> other) { Bindings.bindBidirectional(this, other); } /** * Create a bidirectional binding between this {@code StringProperty} and another * arbitrary property. Relies on an implementation of {@code Format} for conversion. * * @param other * the other {@code Property} * @param format * the {@code Format} used to convert between this {@code StringProperty} * and the other {@code Property} * @throws NullPointerException * if {@code other} or {@code format} is {@code null} * @throws IllegalArgumentException * if {@code other} is {@code this} * @since JavaFX 2.1 */ public void bindBidirectional(Property<?> other, Format format) { Bindings.bindBidirectional(this, other, format); } /** * Create a bidirectional binding between this {@code StringProperty} and another * arbitrary property. Relies on an implementation of {@link StringConverter} for conversion. * * @param <T> the type of the wrapped {@code Object} * @param other * the other {@code Property} * @param converter * the {@code StringConverter} used to convert between this {@code StringProperty} * and the other {@code Property} * @throws NullPointerException * if {@code other} or {@code converter} is {@code null} * @throws IllegalArgumentException * if {@code other} is {@code this} * @since JavaFX 2.1 */ public <T> void bindBidirectional(Property<T> other, StringConverter<T> converter) { Bindings.bindBidirectional(this, other, converter); } /** * {@inheritDoc} */ @Override public void unbindBidirectional(Property<String> other) { Bindings.unbindBidirectional(this, other); } /** * Remove a bidirectional binding between this {@code Property} and another * one. * * If no bidirectional binding between the properties exists, calling this * method has no effect. * * @param other * the other {@code Property} * @throws NullPointerException * if {@code other} is {@code null} * @throws IllegalArgumentException * if {@code other} is {@code this} * @since JavaFX 2.1 */ public void unbindBidirectional(Object other) { Bindings.unbindBidirectional(this, other); } /** * Returns a string representation of this {@code StringProperty} object. * @return a string representation of this {@code StringProperty} object. */ @Override public String toString() { final Object bean = getBean(); final String name = getName(); final StringBuilder result = new StringBuilder("StringProperty ["); if (bean != null) { result.append("bean: ").append(bean).append(", "); } if ((name != null) && (!name.equals(""))) { result.append("name: ").append(name).append(", "); } result.append("value: ").append(get()).append("]"); return result.toString(); } }