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package com.emc.documentum.springdata.entitymanager.convert;

import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.List;


import com.documentum.fc.common.DfValue;
import com.documentum.fc.common.IDfValue;

import org.apache.commons.beanutils.PropertyUtils;
import org.springframework.stereotype.Controller;

import com.documentum.fc.client.IDfSysObject;
import com.documentum.fc.common.DfException;
import com.emc.documentum.springdata.entitymanager.attributes.Attribute;
import com.emc.documentum.springdata.entitymanager.attributes.AttributeType;
import com.emc.documentum.springdata.entitymanager.attributes.IterableAttribute;

@Controller
public class ObjectToDCTMConverter {

    public ObjectToDCTMConverter() {}

    public void convert(Object objectToSave, IDfSysObject dctmObject, ArrayList mapping) throws DfException {
        for (AttributeType attributeType : mapping) {
            if (!shouldIgnore(attributeType)) {
                try {
                    setValue(dctmObject, objectToSave, attributeType);
                } catch (Exception e) {
                    String msg = String.format("Conversion failed for Object of class %s. " + "Exception: %s, %s.",
                            objectToSave.getClass(), e.getClass(), e.getMessage());
                    throw new DfException(msg, e);
                }
            }
        }
    }

    private boolean shouldIgnore(AttributeType attributeType) {
        return attributeType.getAttribute().getName().equals( "r_object_id") || attributeType.isRelation();
    }

    private void setValue(IDfSysObject dctmObject, Object objectToSave, AttributeType fieldType)
            throws DfException, IllegalAccessException, InvocationTargetException, NoSuchMethodException {

        Object valueFromClass = PropertyUtils.getSimpleProperty(objectToSave, fieldType.getFieldName());
        
        if(valueFromClass != null) {
        	
          Attribute attribute = fieldType.getAttribute();
        
          if(attribute instanceof IterableAttribute ) {
            ((IterableAttribute) attribute).setValue(dctmObject, (List