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28 package org.apache.hc.client5.http.entity.mime;
29
30 import java.io.File;
31 import java.io.FileInputStream;
32 import java.io.IOException;
33 import java.io.InputStream;
34 import java.io.OutputStream;
35
36 import org.apache.hc.core5.http.ContentType;
37 import org.apache.hc.core5.util.Args;
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46 public class FileBody extends AbstractContentBody {
47
48 private final File file;
49 private final String filename;
50
51 public FileBody(final File file) {
52 this(file, ContentType.DEFAULT_BINARY, file != null ? file.getName() : null);
53 }
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57
58 public FileBody(final File file, final ContentType contentType, final String filename) {
59 super(contentType);
60 Args.notNull(file, "File");
61 this.file = file;
62 this.filename = filename == null ? file.getName() : filename;
63 }
64
65
66
67
68 public FileBody(final File file, final ContentType contentType) {
69 this(file, contentType, file != null ? file.getName() : null);
70 }
71
72 public InputStream getInputStream() throws IOException {
73 return new FileInputStream(this.file);
74 }
75
76 @Override
77 public void writeTo(final OutputStream out) throws IOException {
78 Args.notNull(out, "Output stream");
79 try (InputStream in = new FileInputStream(this.file)) {
80 final byte[] tmp = new byte[4096];
81 int l;
82 while ((l = in.read(tmp)) != -1) {
83 out.write(tmp, 0, l);
84 }
85 out.flush();
86 }
87 }
88
89 @Override
90 public long getContentLength() {
91 return this.file.length();
92 }
93
94 @Override
95 public String getFilename() {
96 return filename;
97 }
98
99 public File getFile() {
100 return this.file;
101 }
102
103 }