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/*
 * Copyright 2004-2005 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.grails.web.databinding;

import grails.web.databinding.DataBindingUtils;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import grails.beans.util.LazyMetaPropertyMap;

/**
 * Extends the default implementation and does data binding.
 *
 * @author Graeme Rocher
 * @since 1.1
 */
public class DataBindingLazyMetaPropertyMap extends LazyMetaPropertyMap {

    /**
     * Constructs the map
     *
     * @param o The object to inspect
     */
    public DataBindingLazyMetaPropertyMap(Object o) {
        super(o);
    }

    @SuppressWarnings("rawtypes")
    @Override
    public Object put(Object propertyName, Object propertyValue) {
        if (propertyName instanceof List) {
            DataBindingUtils.bindObjectToInstance(getInstance(),propertyValue, (List)propertyName,null,null);
        } else {
            final Map bindingSource;
            if(propertyValue instanceof Map) {
                bindingSource = (Map) propertyValue;
            } else {
                bindingSource = new HashMap();
                bindingSource.put(propertyName, propertyValue);
            }
            List propertyNames = new ArrayList();
            propertyNames.add(propertyName);
            DataBindingUtils.bindObjectToInstance(getInstance(),bindingSource, propertyNames,null,null);
        }
        return null;
    }
}