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Camel Olingo4 component

There is a newer version: 4.8.0

/**
 * 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.component.olingo4;

import java.util.HashMap;
import java.util.Map;

import org.apache.camel.AsyncCallback;
import org.apache.camel.Exchange;
import org.apache.camel.RuntimeCamelException;
import org.apache.camel.component.olingo4.api.Olingo4ResponseHandler;
import org.apache.camel.component.olingo4.internal.Olingo4ApiName;
import org.apache.camel.component.olingo4.internal.Olingo4PropertiesHelper;
import org.apache.camel.util.ObjectHelper;
import org.apache.camel.util.component.AbstractApiProducer;
import org.apache.camel.util.component.ApiMethod;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * The Olingo4 producer.
 */
public class Olingo4Producer extends AbstractApiProducer {

    private static final Logger LOG = LoggerFactory.getLogger(Olingo4Producer.class);

    public Olingo4Producer(Olingo4Endpoint endpoint) {
        super(endpoint, Olingo4PropertiesHelper.getHelper());
    }

    @Override
    public boolean process(final Exchange exchange, final AsyncCallback callback) {
        // properties for method arguments
        final Map properties = new HashMap();
        properties.putAll(endpoint.getEndpointProperties());
        propertiesHelper.getExchangeProperties(exchange, properties);

        // let the endpoint and the Producer intercept properties
        endpoint.interceptProperties(properties);
        interceptProperties(properties);

        // create response handler
        properties.put(Olingo4Endpoint.RESPONSE_HANDLER_PROPERTY, new Olingo4ResponseHandler