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/*
 * ====================================================================
 * Project:     openMDX/Core, http://www.openmdx.org/
 * Description: Marshalling Consumer 
 * Owner:       OMEX AG, Switzerland, http://www.omex.ch
 * ====================================================================
 *
 * This software is published under the BSD license
 * as listed below.
 * 
 * Copyright (c) 2017, OMEX AG, Switzerland
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or
 * without modification, are permitted provided that the following
 * conditions are met:
 * 
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * 
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in
 *   the documentation and/or other materials provided with the
 *   distribution.
 * 
 * * Neither the name of the openMDX team nor the names of its
 *   contributors may be used to endorse or promote products derived
 *   from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 * 
 * ------------------
 * 
 * This product includes software developed by other organizations as
 * listed in the NOTICE file.
 */
package org.openmdx.base.collection;

import java.util.function.Consumer;

import org.openmdx.base.exception.RuntimeServiceException;
import org.openmdx.base.exception.ServiceException;
import org.openmdx.base.marshalling.Marshaller;
import org.openmdx.kernel.exception.BasicException; 


/**
 * Marshalling Consumer
 */
public class MarshallingConsumer implements Consumer {

    private final Consumer delegate;
    private final Class targetClass;
    private final Marshaller marshaller;
    
    public MarshallingConsumer(
        Class targetClass,
        Consumer delegate,
        Marshaller marshaller
    ) {
        this.delegate = delegate;
        this.targetClass = targetClass;
        this.marshaller = marshaller;
    }

    @Override
    public void accept(S source) {
        this.delegate.accept(marshal(source));
    }

    private T marshal(S source){
        final Object object;
        try {
            object = this.marshaller.marshal(source);
        } catch (ServiceException exception) {
            throw new RuntimeServiceException(
                exception,
                BasicException.Code.DEFAULT_DOMAIN,
                BasicException.Code.TRANSFORMATION_FAILURE,
                "Marshall source instance failed",
                new BasicException.Parameter("sourceClass", source == null ? null : source.getClass().getName()),
                new BasicException.Parameter("targetClass", targetClass.getName())
            );
        }
        try {
            return targetClass.cast(object);
        } catch (ClassCastException exception) {
            throw new RuntimeServiceException(
                exception,
                BasicException.Code.DEFAULT_DOMAIN,
                BasicException.Code.TRANSFORMATION_FAILURE,
                "Marshaller returns an instance not assignable to the target class",
                new BasicException.Parameter("sourceClass", source == null ? null : source.getClass().getName()),
                new BasicException.Parameter("targetClass", targetClass.getName()),
                new BasicException.Parameter("actualClass", object == null ? null : object.getClass().getName())
            );
        }
    }
    
}