/*
 * $Id: BeanUtils.java,v 1.45 2008/07/04 10:22:55 agoubard Exp $
 *
 * Copyright 2003-2008 Online Breedband B.V.
 * See the COPYRIGHT file for redistribution and use restrictions.
 */
package org.xins.common;

import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import java.util.AbstractList;
import java.util.AbstractSet;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.Set;

import org.xins.common.collections.ChainedMap;
import org.xins.common.collections.PropertyReader;
import org.xins.common.collections.PropertyReaderConverter;
import org.xins.common.service.Descriptor;
import org.xins.common.service.TargetDescriptor;
import org.xins.common.text.TextUtils;
import org.xins.common.types.EnumItem;
import org.xins.common.types.ItemList;
import org.xins.common.types.standard.Date;
import org.xins.common.types.standard.Timestamp;
import org.xins.common.xml.Element;

/**
 * This class contains some utility methods that fills an object with values
 * from another object.
 *
 * @version $Revision: 1.45 $ $Date: 2008/07/04 10:22:55 $
 * @author <a href="mailto:anthony.goubard@japplis.com">Anthony Goubard</a>
 *
 * @since XINS 1.5.0.
 */
public class BeanUtils {

   /**
    * Constant used to identified some methods.
    */
   private static final Class[] STRING_CLASS = {String.class};

   /**
    * Get the values returned by the get methods of the source object and
    * call the set method of the destination object for the same property.
    *
    * e.g. String getFirstName() value of the source object will be used to
    * invoke setFirstName(String) of the destination object.
    *
    * If the no matching set method exists or the set method parameter is not the
    * same type as the object returned by the get method, the property is ignored.
    *
    * @param source
    *    the source object to get the values from. Cannot be <code>null</code>.
    * @param destination
    *    the destination object to put the values in. Cannot be <code>null</code>.
    *
    * @return
    *    the populated object, never <code>null</code>.
    *
    * @throws IllegalArgumentException
    *    if <code>source == null || destination == null</code>.
    */
   public static Object populate(Object source, Object destination) throws IllegalArgumentException {
      return populate(source, destination, null);
   }

   /**
    * Get the values returned by the get methods of the source object and
    * call the set method of the destination object for the same property.
    *
    * e.g. String getFirstName() value of the source object will be used to
    * invoke setFirstName(String) of the destination object.
    *
    * If the no matching set method exists or the set method parameter is not the
    * same type as the object returned by the get method, the property is ignored.
    *
    * @param source
    *    the source object to get the values from. Cannot be <code>null</code>.
    * @param destination
    *    the destination object to put the values in. Cannot be <code>null</code>.
    * @param propertiesMapping
    *    the mapping between properties which does not have the same name.
    *
    * @return
    *    the populated object, never <code>null</code>.
    *
    * @throws IllegalArgumentException
    *    if <code>source == null || destination == null</code>.
    */
   public static Object populate(Object source, Object destination, Properties propertiesMapping)
   throws IllegalArgumentException {

      MandatoryArgumentChecker.check("source", source, "destination", destination);
      // Go through all get methods of the source object
      Method[] sourceMethods = source.getClass().getMethods();
      for (int i = 0; i < sourceMethods.length; i++) {
         String getMethodName = sourceMethods[i].getName();
         Class getMethodReturnType = sourceMethods[i].getReturnType();
         if ((getMethodName.startsWith("get") && getMethodName.length() > 3 && !getMethodName.equals("getClass")) ||
               (getMethodName.startsWith("is") && getMethodName.length() > 2 &&
                  (getMethodReturnType == Boolean.class || getMethodReturnType == Boolean.TYPE)) ||
               (getMethodName.startsWith("has") && getMethodName.length() > 3 &&
                  (getMethodReturnType == Boolean.class || getMethodReturnType == Boolean.TYPE))) {

            // Determine the name of the set method
            String destProperty = null;
            if (getMethodName.startsWith("is")) {
               destProperty = getMethodName.substring(2);
            } else {
               destProperty = getMethodName.substring(3);
            }
            if (propertiesMapping != null && propertiesMapping.getProperty(destProperty) != null) {
               destProperty = propertiesMapping.getProperty(destProperty);
            }
            String setMethodName = "set" + destProperty;

            // Invoke the set method with the value returned by the get method
            try {
               Object value = sourceMethods[i].invoke(source, null);
               if (value != null) {
                  Object setValue = convertObject(value, destination, destProperty);
                  if (setValue != null) {
                     invokeMethod(destination, setMethodName, setValue);
                  }
               }
            } catch (Exception nsmex) {

               // Ignore this property
               Utils.logIgnoredException(nsmex);
            }
         }
      }

      // If the source object has a data section, fill the destination with it
      try {
         Method dataElementMethod = source.getClass().getMethod("dataElement", null);
         Object dataElement = dataElementMethod.invoke(source, null);
         if ("org.xins.client.DataElement".equals(dataElement.getClass().getName())) {
            Method toXMLElementMethod = dataElement.getClass().getMethod("toXMLElement", null);
            Element element = (Element) toXMLElementMethod.invoke(dataElement, null);
            xmlToObject(element, destination);
         }
      } catch (Exception e) {
         // Probably no method found
      }
      return destination;
   }

   /**
    * Converts the source object to an object of another class.
    *
    * @param origValue
    *    the original value of the object to be converted, if needed. Cannot be <code>null</code>.
    * @param destClass
    *    the destination class in which the object should be converted, cannot be <code>null</code>.
    *
    * @return
    *    the converted object or <code>null</code> if the object cannot be converted.
    *
    * @since XINS 2.0.
    */
   public static Object convert(Object origValue, Class destClass) {

      if (origValue.getClass() == destClass) {
         return origValue;
      }
      try {
         // Convert a String or an EnumItem to another EnumItem.
         if (EnumItem.class.isAssignableFrom(destClass)) {
            String enumTypeClassName = destClass.getName().substring(0, destClass.getName().length() - 5);
            Object enumType = Class.forName(enumTypeClassName).getDeclaredField("SINGLETON").get(null);
            Method convertionMethod = enumType.getClass().getMethod("getItemByValue", STRING_CLASS);
            Object[] convertParams = {origValue.toString()};
            Object convertedObj = convertionMethod.invoke(null, convertParams);
            return convertedObj;

         // Convert whatever to a String
         } else if (destClass == String.class) {
            return origValue.toString();

         // Convert an Object to a boolean
         } else if (destClass == Boolean.class || destClass == Boolean.TYPE) {
            if ("true".equals(origValue) || Boolean.TRUE.equals(origValue)) {
               return Boolean.TRUE;
            } else if ("false".equals(origValue) || Boolean.FALSE.equals(origValue)) {
               return Boolean.FALSE;
            }

         // Convert a String to a date
         } else if (origValue instanceof String && destClass == Date.Value.class) {
            return Date.SINGLETON.fromString((String) origValue);

         // Convert a String to a timestamp
         } else if (origValue instanceof String && destClass == Timestamp.Value.class) {
            return Timestamp.SINGLETON.fromString((String) origValue);

         // Convert a Collection (List,Set) to a ListItem
         } else if (origValue instanceof Collection && ItemList.class.isAssignableFrom(destClass)) {
            ItemList destValue = (ItemList) destClass.newInstance();
            destValue.add((Collection) origValue);
            return destValue;

         // Convert a ListItem to a collection
         } else if (origValue instanceof ItemList && Collection.class.isAssignableFrom(destClass)) {
            Class collectionClass = destClass;
            if (destClass.isAssignableFrom(AbstractList.class) || destClass == List.class || destClass == Collection.class) {
               collectionClass = ArrayList.class;
            } else if (destClass.isAssignableFrom(AbstractSet.class) || destClass == Set.class) {
               collectionClass = HashSet.class;
            }
            Collection destValue = (Collection) collectionClass.newInstance();
            Collection values = ((ItemList) origValue).get();
            destValue.addAll(values);
            return destValue;

         // Convert a Date or Calendar to a Date.Value or a Timestamp.Value
         } else if ((origValue instanceof java.util.Date | origValue instanceof Calendar) &&
               (destClass == Date.Value.class || destClass == Timestamp.Value.class)) {
            Class[] idemClass = {origValue.getClass()};
            Object[] valueArgs = {origValue};
            Constructor dateConstructor = destClass.getConstructor(idemClass);
            return dateConstructor.newInstance(valueArgs);

         // Convert a Date.Value to a Date
         } else if (origValue instanceof Date.Value && destClass == java.util.Date.class) {
            return ((Date.Value) origValue).toDate();

         // Convert a Timestamp.Value to a Date
         } else if (origValue instanceof Timestamp.Value && destClass == java.util.Date.class) {
            return ((Timestamp.Value) origValue).toDate();

         // Convert a String to whatever is asked
         } else if (origValue instanceof String) {
            Method convertionMethod = null;
            if (destClass.isPrimitive()) {
               if (destClass == Byte.TYPE) {
                  destClass = Byte.class;
               } else if (destClass == Short.TYPE) {
                  destClass = Short.class;
               } else if (destClass == Integer.TYPE) {
                  destClass = Integer.class;
               } else if (destClass == Long.TYPE) {
                  destClass = Long.class;
               } else if (destClass == Float.TYPE) {
                  destClass = Float.class;
               } else if (destClass == Double.TYPE) {
                  destClass = Double.class;
               }
            }
            try {
               convertionMethod = destClass.getMethod("valueOf", STRING_CLASS);
            } catch (NoSuchMethodException nsmex) {
               //Ignore
            }
            if (convertionMethod == null) {
               try {
                  convertionMethod = destClass.getMethod("fromStringForOptional", STRING_CLASS);
               } catch (NoSuchMethodException nsmex) {
                  //Ignore
               }
            }
            if (convertionMethod != null) {
               String[] convertParams = {origValue.toString()};
               Object convertedObj = convertionMethod.invoke(null, convertParams);
               return convertedObj;
            }

         // Convert a Number to the primitive type
         } else if (origValue instanceof Number && destClass.isPrimitive()) {
            return origValue;
         }
      } catch (Exception ex) {
         Log.log_1600(String.valueOf(origValue), origValue.getClass().getName(),
               destClass.getName(), ex.getClass().getName(), ex.getMessage());
      }
      return null;
   }

   /**
    * Converts the value of an object to another object in case that the
    * set method doesn't accept the same obejct as the get method.
    *
    * @param origValue
    *    the original value of the object to be converted, if needed. Cannot be <code>null</code>.
    * @param destination
    *    the destination class containing the set method, cannot be <code>null</code>.
    * @param property
    *    the name of the destination property, cannot be <code>null</code>.
    *
    * @return
    *    the converted object.
    *
    * @throws Exception
    *    if error occurs when using the reflection API.
    */
   private static Object convertObject(Object origValue, Object destination, String property) throws Exception {
      String setMethodName = "set" + TextUtils.firstCharUpper(property);

      // First test if the method with the same class as source exists
      try {
         Class[] idemClass = {origValue.getClass()};
         destination.getClass().getMethod(setMethodName, idemClass);
         return origValue;
      } catch (NoSuchMethodException nsmex) {
         // Ignore, try to find the other methods
      }

      Method[] destMethods = destination.getClass().getMethods();
      for (int i = 0; i < destMethods.length; i++) {
         if (destMethods[i].getName().equals(setMethodName)) {
            Class destClass = destMethods[i].getParameterTypes()[0];
            Object converted = convert(origValue, destClass);
            if (converted != null) {
               return converted;
            }
         }
      }

      // No method found
      return null;
   }

   /**
    * Fills the result object with of the content of the XML element object.
    *
    * @param element
    *    the XML element object, can be <code>null</code>.
    * @param result
    *    the object to put the values in, cannot be <code>null</code>.
    * @param elementMapping
    *    a Map&lt;String, String&gt; that maps the name of the source element
    *    to the name of the destination object, can be <code>null</code>.
    * @param attributeMapping
    *    a Map&lt;String, String&gt; that maps the attributes of the elements,
    *    can be <code>null</code>.
    *
    * @return
    *    the result object filled with the values of the element object, never <code>null</code>.
    *
    * @since XINS 2.0.
    */
   public static Object xmlToObject(Element element, Object result,
         Map elementMapping, Map attributeMapping) {
      return xmlToObject(element, result, elementMapping, attributeMapping, true);
   }

   /**
    * Fills the result object with of the content of the XML element object.
    *
    * @param element
    *    the XML element object, can be <code>null</code>.
    * @param result
    *    the object to put the values in, cannot be <code>null</code>.
    *
    * @return
    *    the result object filled with the values of the element object, never <code>null</code>.
    */
   public static Object xmlToObject(Element element, Object result) {
      return xmlToObject(element, result, null, null, true);
   }

   /**
    * Fills the result object with of the content of the XML element object.
    *
    * @param element
    *    the XML element object, can be <code>null</code>.
    * @param result
    *    the object to put the values in, cannot be <code>null</code>.
    * @param elementMapping
    *    a Map&lt;String, String&gt; that maps the name of the source element
    *    to the name of the destination object, can be <code>null</code>.
    * @param attributeMapping
    *    a Map&lt;String, String&gt; that maps the attributes of the elements,
    *    can be <code>null</code>.
    * @param topLevel
    *    <code>true</code> if the element passed is the top element,
    *    <code>false</code> if it is a sub-element.
    *
    * @return
    *    the result object filled with the values of the element object, never <code>null</code>.
    */
   private static Object xmlToObject(Element element, Object result,
         Map elementMapping, Map attributeMapping, boolean topLevel) {

      // Short-circuit if arg is null
      if (element == null) {
         return result;
      }
      String elementName = element.getLocalName();
      if (topLevel && elementName.equals("data")) {
         Iterator itChildren = element.getChildElements().iterator();
         while (itChildren.hasNext()) {
            Element nextChild = (Element) itChildren.next();
            xmlToObject(nextChild, result, elementMapping, attributeMapping, true);
         }
      } else {
         try {
            String hungarianName = TextUtils.firstCharUpper(elementName);
            if (elementMapping != null && elementMapping.containsKey(elementName)) {
               hungarianName = TextUtils.firstCharUpper((String) elementMapping.get(elementName));
            }
            Class[] argsClasses = {getElementClass(hungarianName, result)};
            Method addMethod = result.getClass().getMethod("add" + hungarianName, argsClasses);
            Object childElement = elementToObject(element, result, elementMapping, attributeMapping);
            if (childElement != null) {
               Object[] addArgs = { childElement };
               addMethod.invoke(result, addArgs);
            }
         } catch (Exception ex) {
            Utils.logIgnoredException(ex);
         }
      }

      return result;
   }

   /**
    * Gets the class matching the XML element.
    *
    * @param hungarianName
    *    the name of the XML element starting with an uppercase, cannot be <code>null</code>.
    * @param result
    *    the base object to get the class from, cannot be <code>null</code>.
    *
    * @return
    *    the class to used to fill the XML values with, never <code>null</code>
    *
    * @throws ClassNotFoundException
    *    if the class cannot be found.
    */
   private static Class getElementClass(String hungarianName, Object result) throws ClassNotFoundException {
      String elementClassName = result.getClass().getName();
      if (elementClassName.indexOf("$") != -1) {
         elementClassName = elementClassName.substring(0, elementClassName.indexOf("$"));
      }
      elementClassName += "$" + hungarianName;
      Class elementClass = Class.forName(elementClassName);
      return elementClass;
   }

   /**
    * Fills the result object with of the content of the XML element object.
    *
    * @param element
    *    the XML element object, cannot be <code>null</code>.
    * @param result
    *    the object to put the values in, cannot be <code>null</code>.
    * @param elementMapping
    *    a Map&lt;String, String&gt; that maps the name of the source element
    *    to the name of the destination object, can be <code>null</code>.
    * @param attributeMapping
    *    a Map&lt;String, String&gt; that maps the attributes of the elements,
    *    can be <code>null</code>.
    *
    * @return
    *    the result object filled with the values of the element object, never <code>null</code>.
    */
   private static Object elementToObject(Element element, Object result, Map elementMapping, Map attributeMapping) {
      String elementName = element.getLocalName();
      String hungarianName = TextUtils.firstCharUpper(elementName);
      if (elementMapping != null && elementMapping.containsKey(elementName)) {
         hungarianName = TextUtils.firstCharUpper((String) elementMapping.get(elementName));
      }
      //String newElementClassName = result.getClass().getName() + "." + elementName;
      Object newElement;
      try {
         newElement = getElementClass(hungarianName, result).newInstance();
      } catch (Exception ex) {
         Utils.logIgnoredException(ex);
         return null;
      }

      // Copy the attributes
      Iterator itAttr = element.getAttributeMap().entrySet().iterator();
      while (itAttr.hasNext()) {
         Map.Entry attr = (Map.Entry) itAttr.next();
         String name = ((Element.QualifiedName) attr.getKey()).getLocalName();
         if (attributeMapping != null && attributeMapping.containsKey(name)) {
            name = (String) attributeMapping.get(name);
         }
         String value = (String) attr.getValue();
         try {
            Object setArg = convertObject(value, newElement, name);
            invokeMethod(newElement, "set" + TextUtils.firstCharUpper(name), setArg);
         } catch (Exception ex) {
            Utils.logIgnoredException(ex);
         }
      }

      // Copy the character data content
      String text = element.getText();
      if (text != null && text.trim().length() > 0) {
         try {
            Method pcdataMethod = newElement.getClass().getMethod("pcdata", STRING_CLASS);
            Object[] pcdataArgs = { text };
            pcdataMethod.invoke(newElement, pcdataArgs);
         } catch (Exception ex) {
            Utils.logIgnoredException(ex);
         }
      }

      // Copy the children
      Iterator itChildren = element.getChildElements().iterator();
      while (itChildren.hasNext()) {
         Element child = (Element) itChildren.next();
         xmlToObject(child, newElement, elementMapping, attributeMapping, false);
      }

      return newElement;
   }

   /**
    * Gets the values returned by the get methods of the given POJO and put
    * the values in a <code>Map</code>.
    * The property names returned start with a lowercase.
    *
    * @param source
    *    the object from which the values are extracted and put in the Map, should not be <code>null</code>
    *
    * @return
    *     the property values of the source object. The key of the Map is
    *     the name of the property and the value is the value as returned by the get method.
    *     Never <code>null</code>.
    *
    * @throws IllegalArgumentException
    *    if <code>source == null</code>.
    *
    * @since XINS 2.0.
    */
   public static Map getParameters(Object source) throws IllegalArgumentException {

      MandatoryArgumentChecker.check("source", source);

      // Go through all get methods of the source object
      ChainedMap valuesMap = new ChainedMap();
      Method[] sourceMethods = source.getClass().getMethods();
      for (int i = 0; i < sourceMethods.length; i++) {
         String getMethodName = sourceMethods[i].getName();
         Class getMethodReturnType = sourceMethods[i].getReturnType();
         if ((getMethodName.startsWith("get") && getMethodName.length() > 3 && !getMethodName.equals("getClass")) ||
               (getMethodName.startsWith("is") && getMethodName.length() > 2 &&
                  (getMethodReturnType == Boolean.class || getMethodReturnType == Boolean.TYPE)) ||
               (getMethodName.startsWith("has") && getMethodName.length() > 3 &&
                  (getMethodReturnType == Boolean.class || getMethodReturnType == Boolean.TYPE))) {

            // Determine the name of the property
            String propertyName = null;
            if (getMethodName.startsWith("is")) {
               propertyName = getMethodName.substring(2);
            } else {
               propertyName = getMethodName.substring(3);
            }
            propertyName = TextUtils.firstCharLower(propertyName);
            try {
               Object propertyValue = sourceMethods[i].invoke(source, null);
               if (propertyValue != null) {
                  valuesMap.put(propertyName, propertyValue);
               }
            } catch (Exception ex) {
               Utils.logIgnoredException(ex);
            }
         }
      }
      return valuesMap;
  }

   /**
    * Gets the values returned by the get methods of the given POJO,
    * transform it to a String object and put the values in a <code>Map</code>.
    * The property names returned start with a lowercase.
    *
    * @param source
    *    the object from which the values are extracted and put in the Map, should not be <code>null</code>
    *
    * @return
    *     the property values of the source object. The key of the Map is
    *     the name of the property and the value is the String representation of
    *     the value as returned by the get method. Never <code>null</code>.
    *
    * @throws IllegalArgumentException
    *    if <code>source == null</code>.
    *
    * @since XINS 2.0.
    */
   public static Map getParametersAsString(Object source) throws IllegalArgumentException {
      ChainedMap stringMap = new ChainedMap();
      Map originalMap = getParameters(source);
      Iterator itParams = originalMap.entrySet().iterator();
      while (itParams.hasNext()) {
         Map.Entry nextParam = (Map.Entry) itParams.next();
         String paramName = (String) nextParam.getKey();
         Object paramValue = nextParam.getValue();
         String stringValue = String.valueOf(paramValue);
         stringMap.put(paramName, stringValue);
      }
      return stringMap;
   }

   /**
    * This method is similar to {@link #getParameters(Object)} except that objects
    * using classes of org.xins.common.type.* packages will be translated into
    * standard Java object java.* packages.
    *
    * @param source
    *    the object from which the values are extracted and put in the Map, should not be <code>null</code>
    *
    * @return
    *     the property values of the source object. The key of the Map is
    *     the name of the property and the value is a standard Java object representation of
    *     the value as returned by the get method. Never <code>null</code>.
    *
    * @throws IllegalArgumentException
    *    if <code>source == null</code>.
    *
    * @since XINS 2.0.
    */
   public static Map getParametersAsObject(Object source) throws IllegalArgumentException {
      ChainedMap objectMap = new ChainedMap();
      Map originalMap = getParameters(source);
      Iterator itParams = originalMap.entrySet().iterator();
      while (itParams.hasNext()) {
         Map.Entry nextParam = (Map.Entry) itParams.next();
         String paramName = (String) nextParam.getKey();
         Object paramValue = nextParam.getValue();

         // Convertion of the XINS types.
         if (paramValue instanceof Date.Value) {
            paramValue = ((Date.Value) paramValue).toDate();
         } else if (paramValue instanceof Timestamp.Value) {
            paramValue = ((Timestamp.Value) paramValue).toDate();
         } else if (paramValue instanceof PropertyReader) {
            paramValue = PropertyReaderConverter.toProperties((PropertyReader) paramValue);
         } else if (paramValue instanceof ItemList) {
            paramValue = ((ItemList) paramValue).get();
         } else if (paramValue instanceof EnumItem) {
            paramValue = ((EnumItem) paramValue).getValue();
         } else if (paramValue instanceof TargetDescriptor) {
            paramValue = ((TargetDescriptor) paramValue).getURL();
         } else if (paramValue instanceof Descriptor) {
            // TODO: Not supported yet
         }
         objectMap.put(paramName, paramValue);
      }
      return objectMap;
   }

   /**
    * Puts the values of the <code>Map</code> in the destination object (POJO).
    * If needed the property value is converted to the type needed for the set method.
    * The property names can start with an uppercase or a lowercase.
    *
    * @param properties
    *    the map containing the values to fill the destination object, cannot be <code>null</code>
    *    The key of the <code>Map</code> should be the property name and will be
    *    used to find the set method of the destination object.
    *
    * @param destination
    *    the object which should be filled, cannot be <code>null</code>.
    *
    * @return
    *     the destination object filled, never <code>null</code>. This object will
    *     be the same as the input parameter.
    *
    * @throws IllegalArgumentException
    *    if <code>properties == null || destination == null</code>.
    *
    * @since XINS 2.0.
    */
   public static Object setParameters(Map properties, Object destination) throws IllegalArgumentException {

      MandatoryArgumentChecker.check("properties", properties, "destination", destination);

      // Go through all properties and find the set method
      Iterator itProperties = properties.entrySet().iterator();
      while (itProperties.hasNext()) {
         Map.Entry nextProp = (Map.Entry) itProperties.next();
         try {
            String propertyName = (String) nextProp.getKey();
            Object propertyValue = nextProp.getValue();
            String methodName = "set" + TextUtils.firstCharUpper(propertyName);
            Object methodArg = convertObject(propertyValue, destination, propertyName);
            invokeMethod(destination, methodName, methodArg);
         } catch (Exception ex) {
            Utils.logIgnoredException(ex);
         }
      }
      return destination;
  }

   /**
    * Invokes the given method with the given argument.
    *
    * @param destination
    *    the object upon which the method should be invoked, cannnot be <code>null</code>.
    *
    * @param methodName
    *    the name of the method to invoke, cannot be <code>null</code>.
    *
    * @param argument
    *    the argument for the method, can be <code>null</code>.
    *
    * @throws Exception
    *    if the call to the method failed for any reason.
    */
   private static void invokeMethod(Object destination, String methodName, Object argument) throws Exception {
      Class argumentClass = argument.getClass();
      Class[] argsClasses = { argumentClass };
      if (argument instanceof Boolean) {
         try {
            destination.getClass().getMethod(methodName, argsClasses);
         } catch (NoSuchMethodException nsmex) {
            argumentClass = Boolean.TYPE;
         }
      } else if (argument instanceof Number) {
         try {
            destination.getClass().getMethod(methodName, argsClasses);
         } catch (NoSuchMethodException nsmex) {
            argumentClass = (Class) argumentClass.getDeclaredField("TYPE").get(argument);
         }
      }
      Class[] argsClasses2 = { argumentClass };
      Object[] args = { argument };
      Method setMethod = destination.getClass().getMethod(methodName, argsClasses2);
      setMethod.invoke(destination, args);
   }
}