ClientResponseProcessing.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.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
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 * <http://www.apache.org/>.
 *
 */

package org.apache.hc.client5.http.examples;

import org.apache.hc.client5.http.classic.methods.HttpGet;
import org.apache.hc.client5.http.impl.classic.CloseableHttpClient;
import org.apache.hc.client5.http.impl.classic.HttpClients;
import org.apache.hc.core5.http.io.entity.EntityUtils;
import org.apache.hc.core5.http.message.StatusLine;

/**
 * This example demonstrates the recommended way of processing the HTTP response and releasing
 * associated resources.
 */
public class ClientResponseProcessing {

    public static void main(final String[] args) throws Exception {
        try (final CloseableHttpClient httpclient = HttpClients.createDefault()) {
            final HttpGet httpget = new HttpGet("http://httpbin.org/get");

            System.out.println("Executing request " + httpget.getMethod() + " " + httpget.getUri());

            final Result result = httpclient.execute(httpget, response -> {
                System.out.println("----------------------------------------");
                System.out.println(httpget + "->" + new StatusLine(response));
                // Process response message and convert it into a value object
                return new Result(response.getCode(), EntityUtils.toString(response.getEntity()));
            });
            System.out.println(result);
        }
    }

    static class Result {

        final int status;
        final String content;

        Result(final int status, final String content) {
            this.status = status;
            this.content = content;
        }

    }

}