com.sun.syndication.feed.impl.CopyFromHelper Maven / Gradle / Ivy

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/*
 * Copyright 2004 Sun Microsystems, Inc.
 *
 * 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.sun.syndication.feed.impl;

import com.sun.syndication.feed.CopyFrom;
import com.sun.syndication.feed.impl.BeanIntrospector;

import java.beans.PropertyDescriptor;
import java.lang.reflect.Array;
import java.lang.reflect.Method;
import java.util.*;

/**
 * @author Alejandro Abdelnur
 */
public class CopyFromHelper {
    private static final Object[] NO_PARAMS = new Object[0];

    private Class _beanInterfaceClass;
    private Map _baseInterfaceMap; //ENTRIES(propertyName,interface.class)
    private Map _baseImplMap;      //ENTRIES(interface.class,implementation.class)

    public CopyFromHelper(Class beanInterfaceClass,Map basePropInterfaceMap,Map basePropClassImplMap) {
        _beanInterfaceClass = beanInterfaceClass;
        _baseInterfaceMap = basePropInterfaceMap;
        _baseImplMap = basePropClassImplMap;
    }

    public void copy(Object target,Object source) {
        try {
            PropertyDescriptor[] pds = BeanIntrospector.getPropertyDescriptors(_beanInterfaceClass);
            if (pds!=null) {
                for (int i=0;i