com.xpfriend.fixture.cast.temp.MapFactory.java Source code

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Here is the source code for com.xpfriend.fixture.cast.temp.MapFactory.java

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/*
 * Copyright 2013 XPFriend Community.
 *
 * 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
 *
 *     http://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 com.xpfriend.fixture.cast.temp;

import java.lang.reflect.InvocationTargetException;
import java.util.HashMap;
import java.util.Map;

import org.apache.commons.beanutils.DynaBean;
import org.apache.commons.beanutils.DynaBeanMapDecorator;

import com.xpfriend.fixture.role.ObjectFactory;
import com.xpfriend.fixture.staff.Row;
import com.xpfriend.fixture.staff.Table;
import com.xpfriend.junk.ConfigException;

/**
 * ? {@link ObjectFactory}
 * 
 * @author Ototadana
 */
public class MapFactory extends DynaBeanFactory {

    public MapFactory(ObjectFactory parent) {
        super(parent);
    }

    @Override
    public boolean hasRole(Class<?> cls, String typeName) {
        return getSection() != null && Map.class.isAssignableFrom(cls);
    }

    @SuppressWarnings("unchecked")
    protected <T> T createObject(Class<? extends T> cls, Table table, Row row) {

        try {
            DynaBean bean = super.createObject(DynaBean.class, table, row);
            return (T) toMap(cls, bean);
        } catch (ConfigException e) {
            throw e;
        } catch (Exception e) {
            throw new ConfigException(e);
        }
    }

    @SuppressWarnings({ "rawtypes", "unchecked" })
    private Map toMap(Class<?> cls, DynaBean bean) throws IllegalAccessException, InvocationTargetException,
            NoSuchMethodException, InstantiationException {
        Map map = new DynaBeanMapDecorator(bean, false);
        if (cls.isAssignableFrom(map.getClass())) {
            return map;
        } else {
            Map obj = (Map) newInstance(cls);
            obj.putAll(map);
            return obj;
        }
    }

    private Object newInstance(Class<?> cls) throws InstantiationException, IllegalAccessException {
        if (Map.class.equals(cls)) {
            cls = HashMap.class;
        }
        return cls.newInstance();
    }
}