org.apache.heron.integration_topology_test.core.HttpUtils.java Source code

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Here is the source code for org.apache.heron.integration_topology_test.core.HttpUtils.java

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/**
 * 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.heron.integration_topology_test.core;

import java.io.IOException;
import java.text.ParseException;

import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.HttpClientBuilder;

public final class HttpUtils {

    private HttpUtils() {
    }

    public static int httpJsonPost(String newHttpPostUrl, String jsonData) throws IOException, ParseException {
        HttpClient client = HttpClientBuilder.create().build();
        HttpPost post = new HttpPost(newHttpPostUrl);

        StringEntity requestEntity = new StringEntity(jsonData, ContentType.APPLICATION_JSON);

        post.setEntity(requestEntity);
        HttpResponse response = client.execute(post);

        return response.getStatusLine().getStatusCode();
    }

    public static void postToHttpServer(String postUrl, String data, String dataName) throws RuntimeException {
        try {
            int responseCode = -1;
            for (int attempts = 0; attempts < 2; attempts++) {
                responseCode = httpJsonPost(postUrl, data);
                if (responseCode == 200) {
                    return;
                }
            }
            throw new RuntimeException(
                    String.format("Failed to post %s to %s: %s", dataName, postUrl, responseCode));
        } catch (IOException | java.text.ParseException e) {
            throw new RuntimeException(String.format("Posting %s to %s failed", dataName, postUrl), e);
        }
    }
}