org.ng200.openolympus.util.Beans.java Source code

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Here is the source code for org.ng200.openolympus.util.Beans.java

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/**
 * The MIT License
 * Copyright (c) 2014-2015 Nick Guletskii
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package org.ng200.openolympus.util;

import java.util.stream.Collectors;
import java.util.stream.Stream;

import org.springframework.beans.BeanWrapper;
import org.springframework.beans.BeanWrapperImpl;

public class Beans {

    public static <T> void copy(T from, T to) {
        final BeanWrapper src = new BeanWrapperImpl(from);
        final BeanWrapper trg = new BeanWrapperImpl(to);

        for (final String propertyName : Stream.of(src.getPropertyDescriptors()).map(pd -> pd.getName())
                .collect(Collectors.toList())) {
            if (!trg.isWritableProperty(propertyName)) {
                continue;
            }

            trg.setPropertyValue(propertyName, src.getPropertyValue(propertyName));
        }
    }

}