/**
* Axelor Business Solutions
*
* Copyright (C) 2016 Axelor (<http://axelor.com>).
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.axelor.apps.tool;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public final class ObjectTool {
private static final Logger LOG = LoggerFactory.getLogger(ObjectTool.class);
/**
* Méthode permettant de récupéré un champ d'une classe depuis son nom
* @param fieldName
* Le nom d'un champ
* @param classGotten
* La classe portant le champ
* @return
*/
public static Field getField(String fieldName, @SuppressWarnings("rawtypes") Class classGotten) {
Field field = null;
try {
LOG.debug("Classe traitée - {}", classGotten);
field = classGotten.getDeclaredField(fieldName);
} catch (SecurityException e) {
e.printStackTrace();
} catch (NoSuchFieldException e) {
e.printStackTrace();
}
LOG.debug("Champ récupéré : {}", field);
return field;
}
/**
* Methode permettant de récupéré un object enfant (d'après le nom d'un champ) depuis un object parent
* @param obj
* Un objet parent
* @param linked
* Un nom de champ
* @return
*/
public static Object getObject(Object obj, String fieldName) {
Method m= null;
try {
@SuppressWarnings("rawtypes")
Class[] paramTypes = null;
m = obj.getClass().getMethod("get"+StringTool.capitalizeFirstLetter(fieldName),paramTypes);
} catch (SecurityException e) {
return null;
} catch (NoSuchMethodException e) {
return null;
}
LOG.debug("Méthode récupéré : {}", m);
try {
Object[] args = null;
obj = m.invoke(obj,args);
} catch (IllegalArgumentException e) {
return null;
} catch (IllegalAccessException e) {
return null;
} catch (InvocationTargetException e) {
return null;
}
LOG.debug("Objet récupéré", obj);
return obj;
}
}