/*
* 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.etk.component.database;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;
/**
* Created by The eXo Platform SAS Author : Nhu Dinh Thuan
* nhudinhthuan@exoplatform.com Mar 29, 2007
*/
public class ReflectionUtil
{
public final static void setValue(Object bean, Field field, Object value) throws Exception
{
Class clazz = bean.getClass();
Method method = getMethod("set", field, clazz);
if (method != null)
method.invoke(bean, new Object[]{value});
method = getMethod("put", field, clazz);
if (method != null)
method.invoke(bean, new Object[]{value});
field.setAccessible(true);
field.set(bean, value);
}
public final static Object getValue(Object bean, Field field) throws Exception
{
Class clazz = bean.getClass();
Method method = getMethod("get", field, clazz);
if (method != null)
return method.invoke(bean, new Object[]{});
method = getMethod("is", field, clazz);
if (method != null)
return method.invoke(bean, new Object[]{});
field.setAccessible(true);
return field.get(bean);
}
public final static Method getMethod(String prefix, Field field, Class clazz) throws Exception
{
StringBuilder name = new StringBuilder(field.getName());
name.setCharAt(0, Character.toUpperCase(name.charAt(0)));
name.insert(0, prefix);
try
{
Method method = clazz.getDeclaredMethod(name.toString(), new Class[]{});
return method;
}
catch (Exception e)
{
}
return null;
}
public final static List<Method> getMethod(Class clazz, String name) throws Exception
{
Method[] methods = clazz.getDeclaredMethods();
List<Method> list = new ArrayList<Method>();
for (Method method : methods)
{
if (method.getName().equals(name))
list.add(method);
}
return list;
}
}