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14 package org.eclipse.jetty.http;
15
16 import java.io.IOException;
17 import java.io.InputStream;
18
19 import org.eclipse.jetty.io.Buffer;
20 import org.eclipse.jetty.io.ByteArrayBuffer;
21 import org.eclipse.jetty.util.resource.Resource;
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27
28 public interface HttpContent
29 {
30 Buffer getContentType();
31 Buffer getLastModified();
32 Buffer getIndirectBuffer();
33 Buffer getDirectBuffer();
34 Resource getResource();
35 long getContentLength();
36 InputStream getInputStream() throws IOException;
37 void release();
38
39
40
41
42 public class ResourceAsHttpContent implements HttpContent
43 {
44 final Resource _resource;
45 final Buffer _mimeType;
46 final int _maxBuffer;
47
48 public ResourceAsHttpContent(final Resource resource, final Buffer mimeType)
49 {
50 _resource=resource;
51 _mimeType=mimeType;
52 _maxBuffer=-1;
53 }
54
55 public ResourceAsHttpContent(final Resource resource, final Buffer mimeType, int maxBuffer)
56 {
57 _resource=resource;
58 _mimeType=mimeType;
59 _maxBuffer=maxBuffer;
60 }
61
62
63 public Buffer getContentType()
64 {
65 return _mimeType;
66 }
67
68
69 public Buffer getLastModified()
70 {
71 return null;
72 }
73
74
75 public Buffer getDirectBuffer()
76 {
77 return null;
78 }
79
80
81 public Buffer getIndirectBuffer()
82 {
83 try
84 {
85 if (_resource.length()<=0 || _maxBuffer<_resource.length())
86 return null;
87 ByteArrayBuffer buffer = new ByteArrayBuffer((int)_resource.length());
88 buffer.readFrom(_resource.getInputStream(),(int)_resource.length());
89 return buffer;
90 }
91 catch(IOException e)
92 {
93 throw new RuntimeException(e);
94 }
95 }
96
97
98 public long getContentLength()
99 {
100 return _resource.length();
101 }
102
103
104 public InputStream getInputStream() throws IOException
105 {
106 return _resource.getInputStream();
107 }
108
109
110 public Resource getResource()
111 {
112 return _resource;
113 }
114
115
116 public void release()
117 {
118 _resource.release();
119 }
120 }
121 }