com.sun.javafx.property.JavaBeanAccessHelper Maven / Gradle / Ivy
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* particular file as subject to the "Classpath" exception as provided
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*
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* 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).
*
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package com.sun.javafx.property;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import javafx.beans.property.ReadOnlyObjectProperty;
public final class JavaBeanAccessHelper {
private static Method JAVA_BEAN_QUICK_ACCESSOR_CREATE_RO;
private static boolean initialized;
private JavaBeanAccessHelper() {
}
public static ReadOnlyObjectProperty createReadOnlyJavaBeanProperty(Object bean, String propertyName) throws NoSuchMethodException{
init();
if (JAVA_BEAN_QUICK_ACCESSOR_CREATE_RO == null) {
throw new UnsupportedOperationException("Java beans are not supported.");
}
try {
return (ReadOnlyObjectProperty) JAVA_BEAN_QUICK_ACCESSOR_CREATE_RO.invoke(null, bean, propertyName);
} catch (IllegalAccessException ex) {
throw new UnsupportedOperationException("Java beans are not supported.");
} catch (InvocationTargetException ex) {
if (ex.getCause() instanceof NoSuchMethodException) {
throw (NoSuchMethodException)ex.getCause();
}
throw new UnsupportedOperationException("Java beans are not supported.");
}
}
private static void init() {
if (!initialized) {
try {
Class accessor = Class.forName(
"com.sun.javafx.property.adapter.JavaBeanQuickAccessor",
true, JavaBeanAccessHelper.class.getClassLoader());
JAVA_BEAN_QUICK_ACCESSOR_CREATE_RO =
accessor.getDeclaredMethod("createReadOnlyJavaBeanObjectProperty",
Object.class, String.class);
} catch (ClassNotFoundException ex) {
//ignore
} catch (NoSuchMethodException ex) {
//ignore
}
initialized = true;
}
}
}