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.io.entity;
29
30 import java.io.IOException;
31 import java.io.InputStream;
32 import java.nio.file.Files;
33 import java.nio.file.Path;
34
35 import org.apache.hc.core5.annotation.Contract;
36 import org.apache.hc.core5.annotation.ThreadingBehavior;
37 import org.apache.hc.core5.http.ContentType;
38 import org.apache.hc.core5.util.Args;
39
40 /**
41 * A self contained, repeatable entity that obtains its content from a path.
42 */
43 @Contract(threading = ThreadingBehavior.IMMUTABLE_CONDITIONAL)
44 public class PathEntity extends AbstractHttpEntity {
45
46 private final Path path;
47
48 public PathEntity(final Path path, final ContentType contentType, final String contentEncoding) {
49 super(contentType, contentEncoding);
50 this.path = Args.notNull(path, "Path");
51 }
52
53 public PathEntity(final Path path, final ContentType contentType) {
54 super(contentType, null);
55 this.path = Args.notNull(path, "Path");
56 }
57
58 @Override
59 public final boolean isRepeatable() {
60 return true;
61 }
62
63 @Override
64 public final long getContentLength() {
65 try {
66 return Files.size(this.path);
67 } catch (final IOException e) {
68 throw new IllegalStateException(e);
69 }
70 }
71
72 @Override
73 public final InputStream getContent() throws IOException {
74 return Files.newInputStream(path);
75 }
76
77 @Override
78 public final boolean isStreaming() {
79 return false;
80 }
81
82 @Override
83 public final void close() throws IOException {
84 // do nothing
85 }
86
87 }