org.joda.beans.impl.light.MutableLightMetaProperty Maven / Gradle / Ivy
/*
* Copyright 2001-present Stephen Colebourne
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.joda.beans.impl.light;
import java.lang.annotation.Annotation;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.Type;
import java.util.Arrays;
import java.util.List;
import org.joda.beans.Bean;
import org.joda.beans.MetaBean;
import org.joda.beans.PropertyStyle;
/**
* An immutable meta-property based on a getter interface.
*
* @param the type of the property content
* @deprecated Replaced by method handles
*/
@Deprecated
final class MutableLightMetaProperty
extends AbstractLightMetaProperty
{
/** The read method. */
private final PropertyGetter getter;
/** The write method. */
private final PropertySetter setter;
//-----------------------------------------------------------------------
/**
* Creates an instance from a {@code Field}.
*
* @param
the property type
* @param metaBean the meta bean, not null
* @param field the field, not null
* @param constructorIndex the index of the property in the constructor
* @return the property, not null
*/
@SuppressWarnings("unchecked")
static
MutableLightMetaProperty
of(
MetaBean metaBean,
final Field field,
final String propertyName,
int constructorIndex) {
PropertyGetter getter = new PropertyGetter() {
@Override
public Object get(Bean bean) {
try {
return field.get(bean);
} catch (IllegalArgumentException | IllegalAccessException ex) {
throw new UnsupportedOperationException("Property cannot be read: " + propertyName, ex);
}
}
};
PropertySetter setter = new PropertySetter() {
@Override
public void set(Bean bean, Object value) {
try {
field.set(bean, value);
} catch (IllegalArgumentException | IllegalAccessException ex) {
throw new UnsupportedOperationException("Property cannot be read: " + propertyName, ex);
}
}
};
return new MutableLightMetaProperty<>(
metaBean,
propertyName,
(Class
) field.getType(),
field.getGenericType(),
Arrays.asList(field.getAnnotations()),
getter,
setter,
constructorIndex);
}
/**
* Creates an instance from a {@code Method}.
*
* @param
the property type
* @param metaBean the meta bean, not null
* @param getMethod the method, not null
* @param constructorIndex the index of the property in the constructor
* @return the property, not null
*/
@SuppressWarnings("unchecked")
static
MutableLightMetaProperty
of(
MetaBean metaBean,
Field field,
final Method getMethod,
final Method setMethod,
final String propertyName,
int constructorIndex) {
PropertyGetter getter = new PropertyGetter() {
@Override
public Object get(Bean bean) {
try {
return getMethod.invoke(bean);
} catch (IllegalArgumentException | IllegalAccessException ex) {
throw new UnsupportedOperationException("Property cannot be read: " + propertyName, ex);
} catch (InvocationTargetException ex) {
if (ex.getCause() instanceof RuntimeException) {
throw (RuntimeException) ex.getCause();
}
throw new RuntimeException(ex);
}
}
};
PropertySetter setter = new PropertySetter() {
@Override
public void set(Bean bean, Object value) {
try {
setMethod.invoke(bean, value);
} catch (IllegalArgumentException | IllegalAccessException ex) {
throw new UnsupportedOperationException("Property cannot be written: " + propertyName, ex);
} catch (InvocationTargetException ex) {
if (ex.getCause() instanceof RuntimeException) {
throw (RuntimeException) ex.getCause();
}
throw new RuntimeException(ex);
}
}
};
// special case for optional
return new MutableLightMetaProperty<>(
metaBean,
propertyName,
(Class
) field.getType(),
field.getGenericType(),
Arrays.asList(field.getAnnotations()),
getter,
setter,
constructorIndex);
}
/**
* Creates an instance.
*
* @param metaBean the meta bean, not null
* @param propertyName the property name, not empty
* @param propertyType the property type
* @param propertyGenericType the property generic type
* @param annotations the annotations
* @param getter the property getter
* @param setter the property setter
* @param constructorIndex the index of the property in the constructor
*/
MutableLightMetaProperty(
MetaBean metaBean,
String propertyName,
Class
propertyType,
Type propertyGenericType,
List annotations,
PropertyGetter getter,
PropertySetter setter,
int constructorIndex) {
super(metaBean, propertyName, propertyType, propertyGenericType, annotations, constructorIndex);
this.getter = getter;
this.setter = setter;
}
//-----------------------------------------------------------------------
@Override
public PropertyStyle style() {
return PropertyStyle.READ_WRITE;
}
//-----------------------------------------------------------------------
@Override
@SuppressWarnings("unchecked")
public P get(Bean bean) {
return (P) getter.get(bean);
}
@Override
public void set(Bean bean, Object value) {
setter.set(bean, value);
}
}