com.sun.javafx.property.adapter.ReadOnlyJavaBeanPropertyBuilderHelper Maven / Gradle / Ivy
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* 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.
*
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package com.sun.javafx.property.adapter;
import java.lang.reflect.Method;
import com.sun.javafx.reflect.ReflectUtil;
/**
*/
public class ReadOnlyJavaBeanPropertyBuilderHelper {
private static final String IS_PREFIX = "is";
private static final String GET_PREFIX = "get";
private String propertyName;
private Class beanClass;
private Object bean;
private String getterName;
private Method getter;
private ReadOnlyPropertyDescriptor descriptor;
public void name(String propertyName) {
if ((propertyName == null)? this.propertyName != null : !propertyName.equals(this.propertyName)) {
this.propertyName = propertyName;
this.descriptor = null;
}
}
public void beanClass(Class beanClass) {
if ((beanClass == null)? this.beanClass != null : !beanClass.equals(this.beanClass)) {
ReflectUtil.checkPackageAccess(beanClass);
this.beanClass = beanClass;
this.descriptor = null;
}
}
public void bean(Object bean) {
this.bean = bean;
if (bean != null) {
Class newClass = bean.getClass();
if ((beanClass == null) || !beanClass.isAssignableFrom(newClass)) {
ReflectUtil.checkPackageAccess(newClass);
this.beanClass = bean.getClass();
this.descriptor = null;
}
}
}
public Object getBean() {
return bean;
}
public void getterName(String getterName) {
if ((getterName == null)? this.getterName != null : !getterName.equals(this.getterName)) {
this.getterName = getterName;
this.descriptor = null;
}
}
public void getter(Method getter) {
if ((getter == null)? this.getter != null : !getter.equals(this.getter)) {
this.getter = getter;
this.descriptor = null;
}
}
public ReadOnlyPropertyDescriptor getDescriptor() throws NoSuchMethodException {
if (descriptor == null) {
if ((propertyName == null) || (bean == null)) {
throw new NullPointerException("Bean and property name have to be specified");
}
if (propertyName.isEmpty()) {
throw new IllegalArgumentException("Property name cannot be empty");
}
final String capitalizedName = ReadOnlyPropertyDescriptor.capitalizedName(propertyName);
if (getter == null) {
if ((getterName != null) && !getterName.isEmpty()) {
getter = beanClass.getMethod(getterName);
} else {
try {
getter = beanClass.getMethod(IS_PREFIX + capitalizedName);
} catch (NoSuchMethodException e) {
getter = beanClass.getMethod(GET_PREFIX + capitalizedName);
}
}
}
descriptor = new ReadOnlyPropertyDescriptor<>(propertyName, beanClass, getter);
}
return descriptor;
}
}