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1   /*
2    * ====================================================================
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
6    * regarding copyright ownership.  The ASF licenses this file
7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
10   *
11   *   http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing,
14   * software distributed under the License is distributed on an
15   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16   * KIND, either express or implied.  See the License for the
17   * specific language governing permissions and limitations
18   * under the License.
19   * ====================================================================
20   *
21   * This software consists of voluntary contributions made by many
22   * individuals on behalf of the Apache Software Foundation.  For more
23   * information on the Apache Software Foundation, please see
24   * <http://www.apache.org/>.
25   *
26   */
27  package org.apache.hc.client5.http.async.methods;
28  
29  import org.apache.hc.core5.http.nio.AsyncEntityProducer;
30  import org.apache.hc.core5.http.nio.entity.BasicAsyncEntityProducer;
31  import org.apache.hc.core5.http.nio.entity.StringAsyncEntityProducer;
32  import org.apache.hc.core5.http.nio.support.BasicRequestProducer;
33  import org.apache.hc.core5.util.Args;
34  
35  /**
36   * HTTP request producer that generates message data stream events based
37   * on content of a {@link SimpleHttpRequest} instance.
38   * <p>
39   * IMPORTANT: {@link SimpleHttpRequest}s are intended for simple scenarios where entities inclosed
40   * in requests are known to be small. It is generally recommended to use
41   * {@link org.apache.hc.core5.http.nio.support.AsyncRequestBuilder} and streaming
42   * {@link org.apache.hc.core5.http.nio.AsyncEntityProducer}s.
43   *
44   * @since 5.0
45   *
46   * @see SimpleBody
47   * @see SimpleHttpRequest
48   * @see org.apache.hc.core5.http.nio.support.AsyncRequestBuilder
49   * @see org.apache.hc.core5.http.nio.AsyncEntityProducer
50   */
51  public final class SimpleRequestProducer extends BasicRequestProducer {
52  
53      SimpleRequestProducer(final SimpleHttpRequest request, final AsyncEntityProducer entityProducer) {
54          super(request, entityProducer);
55      }
56  
57      public static SimpleRequestProducer create(final SimpleHttpRequest request) {
58          Args.notNull(request, "Request");
59          final SimpleBody body = request.getBody();
60          final AsyncEntityProducer entityProducer;
61          if (body != null) {
62              if (body.isText()) {
63                  entityProducer = new StringAsyncEntityProducer(body.getBodyText(), body.getContentType());
64              } else {
65                  entityProducer = new BasicAsyncEntityProducer(body.getBodyBytes(), body.getContentType());
66              }
67          } else {
68              entityProducer = null;
69          }
70          return new SimpleRequestProducer(request, entityProducer);
71      }
72  
73  }