/*
 * Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors.
 *
 * 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 org.switchyard.serial.pull;

import java.io.IOException;
import java.io.InputStream;

import org.switchyard.common.io.pull.Puller;
import org.switchyard.serial.Serializer;

/**
 * Utility class to safely deserialize ("pull") Objects from various sources.
 * 
 * @param <T> the type of object
 * 
 * @author David Ward &lt;<a href="mailto:dward@jboss.org">dward@jboss.org</a>&gt; &copy; 2012 Red Hat Inc.
 */
public class DeserializingPuller<T> extends Puller<T> {

    private final Serializer _serializer;
    private final Class<T> _type;

    /**
     * Constructor with a serializer and type.
     * @param serializer the serializer
     * @param type the type
     */
    public DeserializingPuller(Serializer serializer, Class<T> type) {
        _serializer = serializer;
        _type = type;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public T pull(InputStream stream) throws IOException {
        return _serializer.deserialize(stream, _type);
    }

}
