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Jodd BeanUtil is fast and powerful bean manipulation library.
// Copyright (c) 2003-present, Jodd Team (http://jodd.org)
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
package jodd.bean;
import jodd.introspector.ClassDescriptor;
import jodd.introspector.ClassIntrospector;
import jodd.introspector.Getter;
import jodd.introspector.PropertyDescriptor;
import jodd.introspector.Setter;
/**
* Represents a bean named property. Contains two information:
*
* - Bean instance (and cached class descriptor)
* - Property name
*
* Used only internally by {@link BeanUtil} and similar utils.
*/
class BeanProperty {
BeanProperty(final BeanUtilBean beanUtilBean, final Object bean, final String propertyName) {
this.introspector = beanUtilBean.getIntrospector();
setName(propertyName);
setBean(bean);
this.last = true;
this.first = true;
this.fullName = bean.getClass().getSimpleName() + '#' + propertyName;
}
// ---------------------------------------------------------------- bean and descriptor
final String fullName; // initial name
final ClassIntrospector introspector;
Object bean;
private ClassDescriptor cd;
String name; // property name
boolean last; // is it a last property (when nested)
boolean first; // is it first property (when nested)
String indexString; // indexString for index property
/**
* Sets current property name.
*/
public void setName(final String name) {
this.name = name;
this.updateProperty = true;
}
/**
* Sets new bean instance.
*/
public void setBean(final Object bean) {
this.bean = bean;
this.cd = (bean == null ? null : introspector.lookup(bean.getClass()));
this.first = false;
this.updateProperty = true;
}
// ---------------------------------------------------------------- simple properties
// indicates that property descriptor has to be updated
// since there was some property-related change of BeanProperty state
private boolean updateProperty = true;
// most recent property descriptor
private PropertyDescriptor propertyDescriptor;
/**
* Loads property descriptor, if property was updated.
*/
private void loadPropertyDescriptor() {
if (updateProperty) {
if (cd == null) {
propertyDescriptor = null;
} else {
propertyDescriptor = cd.getPropertyDescriptor(name, true);
}
updateProperty = false;
}
}
/**
* Returns getter.
*/
public Getter getGetter(final boolean declared) {
loadPropertyDescriptor();
return propertyDescriptor != null ? propertyDescriptor.getGetter(declared) : null;
}
/**
* Returns setter.
*/
public Setter getSetter(final boolean declared) {
loadPropertyDescriptor();
return propertyDescriptor != null ? propertyDescriptor.getSetter(declared) : null;
}
/**
* Returns true
if class is a map.
*/
public boolean isMap() {
return cd != null && cd.isMap();
}
String index;
// ---------------------------------------------------------------- toString
@Override
public String toString() {
return fullName + " (" + (bean != null ? bean.getClass().getSimpleName() : "?") + '#' + name + ')';
}
}