components/camel-rx/src/main/java/org/apache/camel/rx/support/ExchangeToBodyFunc1.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.camel.rx.support;

import org.apache.camel.Exchange;
import org.apache.camel.Message;

import rx.functions.Func1;

/**
 * A simple {@link Func1} to convert an {@link Exchange} to the given type using the
 * IN {@link Message}'s body
 */
public class ExchangeToBodyFunc1<T> implements Func1<Exchange, T> {
    private final Class<T> bodyType;

    public ExchangeToBodyFunc1(Class<T> bodyType) {
        this.bodyType = bodyType;
    }

    @Override
    public T call(Exchange exchange) {
        Message in = exchange.getIn();
        return in.getBody(bodyType);
    }
}