/*
 * Copyright 2014, The Sporting Exchange Limited
 *
 * 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.betfair.cougar.netutil.nio.hessian;

import com.betfair.cougar.core.api.transcription.Parameter;
import com.betfair.cougar.core.api.transcription.TranscribableParams;
import com.betfair.cougar.core.api.transcription.TranscriptionInput;
import com.caucho.hessian.io.AbstractDeserializer;
import com.caucho.hessian.io.AbstractHessianInput;

import java.io.IOException;
import java.lang.reflect.Constructor;
import java.util.Set;

public class TranscribableExceptionDeserialiser extends AbstractDeserializer {

	private Class cls;
    private Set<TranscribableParams> transcriptionParams;

    public TranscribableExceptionDeserialiser(Class cls, Set<TranscribableParams> transcriptionParams) {
        this.cls = cls;
        this.transcriptionParams = transcriptionParams;
    }

    @Override
	public Object readObject(final AbstractHessianInput in, Object[] fields) throws IOException {

		try {

			TranscriptionInput ti = new TranscriptionInput() {

				@Override
				public <T> T readObject(Parameter param, boolean client) throws Exception {
					return (T) in.readObject();
				}
			};

			int ref = in.addRef(null);

			Constructor constructor = cls.getConstructor(TranscriptionInput.class, Set.class);
            Object ret = constructor.newInstance(ti, transcriptionParams);

            in.setRef(ref, ret);

			return ret;
		}
		catch (Exception e) {
			throw new IOException(e);
		}

	}

}