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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  
28  package org.apache.hc.core5.http.impl.io;
29  
30  import java.io.IOException;
31  import java.io.InputStream;
32  import java.util.Collections;
33  import java.util.List;
34  import java.util.Set;
35  
36  import org.apache.hc.core5.http.Header;
37  import org.apache.hc.core5.function.Supplier;
38  import org.apache.hc.core5.http.io.entity.AbstractImmutableHttpEntity;
39  
40  class IncomingHttpEntity extends AbstractImmutableHttpEntity {
41  
42      private final InputStream content;
43      private final long len;
44      private final boolean chunked;
45      private final Header contentType;
46      private final Header contentEncoding;
47  
48      IncomingHttpEntity(final InputStream content, final long len, final boolean chunked, final Header contentType, final Header contentEncoding) {
49          this.content = content;
50          this.len = len;
51          this.chunked = chunked;
52          this.contentType = contentType;
53          this.contentEncoding = contentEncoding;
54      }
55  
56      @Override
57      public boolean isRepeatable() {
58          return false;
59      }
60  
61      @Override
62      public boolean isChunked() {
63          return chunked;
64      }
65  
66      @Override
67      public long getContentLength() {
68          return len;
69      }
70  
71      @Override
72      public String getContentType() {
73          return contentType != null ? contentType.getValue() : null;
74      }
75  
76      @Override
77      public String getContentEncoding() {
78          return contentEncoding != null ? contentEncoding.getValue() : null;
79      }
80  
81      @Override
82      public InputStream getContent() throws IOException, IllegalStateException {
83          return content;
84      }
85  
86      @Override
87      public boolean isStreaming() {
88          return content != null && content != EmptyInputStream.INSTANCE;
89      }
90  
91      @Override
92      public Supplier<List<? extends Header>> getTrailers() {
93          return null;
94      }
95  
96      @Override
97      public Set<String> getTrailerNames() {
98          return Collections.emptySet();
99      }
100 
101     @Override
102     public void close() throws IOException {
103         if (content != null) {
104             content.close();
105         }
106     }
107 
108 }