examples/camel-example-olingo4-blueprint/src/main/java/org/apache/camel/example/olingo4/blueprint/Olingo4TestConfiguration.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.example.olingo4.blueprint;

import java.io.IOException;
import org.apache.camel.component.olingo4.Olingo4Configuration;
import org.apache.http.HttpHost;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.protocol.BasicHttpContext;
import org.apache.http.protocol.HttpContext;

public class Olingo4TestConfiguration extends Olingo4Configuration {

    public Olingo4TestConfiguration() {
        setServiceUri(getTestServiceUri("http://services.odata.org/TripPinRESTierService"));
        setContentType("application/json;charset=utf-8");
    }

    protected String getTestServiceUri(String baseUrl) {
        CloseableHttpClient httpclient = HttpClients.createDefault();
        HttpGet httpGet = new HttpGet(baseUrl);
        HttpContext httpContext = new BasicHttpContext();
        try {
            httpclient.execute(httpGet, httpContext);
        } catch (IOException e) {
            throw new RuntimeException("Error getting OData Test service URI using base URL:" + baseUrl);
        }
        HttpUriRequest currentReq = (HttpUriRequest)httpContext.getAttribute("http.request");
        HttpHost currentHost = (HttpHost)httpContext.getAttribute("http.target_host");
        String currentUrl = currentHost.toURI() + currentReq.getURI();
        return currentUrl;
    }
}