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14 package org.eclipse.jetty.util;
15
16 import java.io.FilterWriter;
17 import java.io.IOException;
18 import java.io.Writer;
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26
27 public class MultiPartWriter extends FilterWriter
28 {
29
30 private final static String __CRLF="\015\012";
31 private final static String __DASHDASH="--";
32
33 public static String MULTIPART_MIXED=MultiPartOutputStream.MULTIPART_MIXED;
34 public static String MULTIPART_X_MIXED_REPLACE=MultiPartOutputStream.MULTIPART_X_MIXED_REPLACE;
35
36
37 private String boundary;
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39
40 private boolean inPart=false;
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42
43 public MultiPartWriter(Writer out)
44 throws IOException
45 {
46 super(out);
47 boundary = "jetty"+System.identityHashCode(this)+
48 Long.toString(System.currentTimeMillis(),36);
49
50 inPart=false;
51 }
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56
57 @Override
58 public void close()
59 throws IOException
60 {
61 if (inPart)
62 out.write(__CRLF);
63 out.write(__DASHDASH);
64 out.write(boundary);
65 out.write(__DASHDASH);
66 out.write(__CRLF);
67 inPart=false;
68 super.close();
69 }
70
71
72 public String getBoundary()
73 {
74 return boundary;
75 }
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79
80 public void startPart(String contentType)
81 throws IOException
82 {
83 if (inPart)
84 out.write(__CRLF);
85 out.write(__DASHDASH);
86 out.write(boundary);
87 out.write(__CRLF);
88 out.write("Content-Type: ");
89 out.write(contentType);
90 out.write(__CRLF);
91 out.write(__CRLF);
92 inPart=true;
93 }
94
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98 public void endPart()
99 throws IOException
100 {
101 if (inPart)
102 out.write(__CRLF);
103 inPart=false;
104 }
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109 public void startPart(String contentType, String[] headers)
110 throws IOException
111 {
112 if (inPart)
113 out.write(__CRLF);
114 out.write(__DASHDASH);
115 out.write(boundary);
116 out.write(__CRLF);
117 out.write("Content-Type: ");
118 out.write(contentType);
119 out.write(__CRLF);
120 for (int i=0;headers!=null && i<headers.length;i++)
121 {
122 out.write(headers[i]);
123 out.write(__CRLF);
124 }
125 out.write(__CRLF);
126 inPart=true;
127 }
128
129 }
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