/**
* Copyright (C) 2009 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.webui.bean;
import org.exoplatform.util.ReflectionUtil;
import org.exoplatform.webui.core.UIComponent;
import org.exoplatform.webui.form.UIForm;
import org.exoplatform.webui.form.UIFormInput;
import org.exoplatform.webui.form.UIFormInputBase;
import org.exoplatform.webui.form.UIFormInputSet;
import java.lang.reflect.Method;
import java.util.List;
/**
* A stateless object that must be obtained via the {@link #getInstance()} method.
*
* Author : Nhu Dinh Thuan thuan.nhu@exoplatform.com Oct 13, 2006
*/
public class ReflectionDataMapping implements BeanDataMapping
{
/** . */
private static final ReflectionDataMapping instance = new ReflectionDataMapping();
public static ReflectionDataMapping getInstance()
{
return instance;
}
private ReflectionDataMapping()
{
}
public void mapBean(Object bean, UIForm uiForm) throws Exception
{
List<UIComponent> children = uiForm.getChildren();
for (UIComponent uichild : children)
{
if (uichild instanceof UIFormInput)
{
invokeSetBindingField(bean, (UIFormInput)uichild);
}
else if (uichild instanceof UIFormInputSet)
{
mapBean(bean, (UIFormInputSet)uichild);
}
}
}
public void mapBean(Object bean, UIFormInputSet uiFormInputSet) throws Exception
{
List<UIComponent> children = uiFormInputSet.getChildren();
for (UIComponent uichild : children)
{
if (uichild instanceof UIFormInput)
{
invokeSetBindingField(bean, (UIFormInput)uichild);
}
}
}
public void mapField(UIForm uiForm, Object bean) throws Exception
{
List<UIComponent> children = uiForm.getChildren();
for (UIComponent uichild : children)
{
if (uichild instanceof UIFormInput)
{
invokeGetBindingField((UIFormInput)uichild, bean);
}
else if (uichild instanceof UIFormInputSet)
{
mapField((UIFormInputSet)uichild, bean);
}
}
}
public void mapField(UIFormInputSet uiFormInputSet, Object bean) throws Exception
{
List<UIComponent> children = uiFormInputSet.getChildren();
for (UIComponent uichild : children)
{
if (uichild instanceof UIFormInput)
{
invokeGetBindingField((UIFormInput)uichild, bean);
}
}
}
@SuppressWarnings("unchecked")
private void invokeGetBindingField(UIFormInput uiFormInput, Object bean) throws Exception
{
String bindingField = uiFormInput.getBindingField();
if (bindingField == null)
return;
Method method = ReflectionUtil.getGetBindingMethod(bean, bindingField);
Object value = method.invoke(bean, ReflectionUtil.EMPTY_ARGS);
if (value == null)
return;
uiFormInput.setValue(value);
}
private void invokeSetBindingField(Object bean, UIFormInput uiFormInput) throws Exception
{
// Do not execute in case uiFormInput is not editable
if (uiFormInput instanceof UIFormInputBase)
{
UIFormInputBase uiStringBase = (UIFormInputBase)uiFormInput;
if (uiStringBase.isReadOnly() || uiStringBase.isDisabled())
{
return;
}
}
String bindingField = uiFormInput.getBindingField();
if (bindingField == null)
return;
Class[] classes = new Class[]{uiFormInput.getTypeValue()};
Method method = ReflectionUtil.getSetBindingMethod(bean, bindingField, classes);
method.invoke(bean, new Object[]{uiFormInput.getValue()});
}
}