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annotate src/org/eclipse/jetty/util/MultiPartOutputStream.java @ 867:4f5547d29192

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minor
author Franklin Schmidt <fschmidt@gmail.com>
date Sun, 02 Oct 2016 21:06:18 -0600
parents 3428c60d7cfc
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 //
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2 // ========================================================================
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3 // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
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4 // ------------------------------------------------------------------------
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5 // All rights reserved. This program and the accompanying materials
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6 // are made available under the terms of the Eclipse Public License v1.0
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7 // and Apache License v2.0 which accompanies this distribution.
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8 //
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9 // The Eclipse Public License is available at
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10 // http://www.eclipse.org/legal/epl-v10.html
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11 //
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12 // The Apache License v2.0 is available at
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13 // http://www.opensource.org/licenses/apache2.0.php
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14 //
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15 // You may elect to redistribute this code under either of these licenses.
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16 // ========================================================================
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17 //
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18
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19 package org.eclipse.jetty.util;
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20
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21 import java.io.FilterOutputStream;
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22 import java.io.IOException;
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23 import java.io.OutputStream;
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24
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25
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26 /* ================================================================ */
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27 /** Handle a multipart MIME response.
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28 *
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29 *
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30 *
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31 */
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32 public class MultiPartOutputStream extends FilterOutputStream
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33 {
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34 /* ------------------------------------------------------------ */
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35 private static final byte[] __CRLF={'\r','\n'};
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36 private static final byte[] __DASHDASH={'-','-'};
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37
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38 public static String MULTIPART_MIXED="multipart/mixed";
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39 public static String MULTIPART_X_MIXED_REPLACE="multipart/x-mixed-replace";
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40
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41 /* ------------------------------------------------------------ */
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42 private String boundary;
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43 private byte[] boundaryBytes;
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44
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45 /* ------------------------------------------------------------ */
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46 private boolean inPart=false;
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47
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48 /* ------------------------------------------------------------ */
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49 public MultiPartOutputStream(OutputStream out)
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50 throws IOException
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51 {
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52 super(out);
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53
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54 boundary = "jetty"+System.identityHashCode(this)+
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55 Long.toString(System.currentTimeMillis(),36);
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56 boundaryBytes=boundary.getBytes(StringUtil.__ISO_8859_1);
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57
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58 inPart=false;
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59 }
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60
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61
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62
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63 /* ------------------------------------------------------------ */
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64 /** End the current part.
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65 * @exception IOException IOException
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66 */
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67 @Override
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68 public void close()
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69 throws IOException
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70 {
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71 if (inPart)
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72 out.write(__CRLF);
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73 out.write(__DASHDASH);
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74 out.write(boundaryBytes);
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75 out.write(__DASHDASH);
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76 out.write(__CRLF);
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77 inPart=false;
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78 super.close();
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79 }
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80
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81 /* ------------------------------------------------------------ */
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82 public String getBoundary()
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83 {
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84 return boundary;
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85 }
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86
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87 public OutputStream getOut() {return out;}
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88
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89 /* ------------------------------------------------------------ */
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90 /** Start creation of the next Content.
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91 */
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92 public void startPart(String contentType)
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93 throws IOException
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94 {
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95 if (inPart)
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96 out.write(__CRLF);
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97 inPart=true;
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98 out.write(__DASHDASH);
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99 out.write(boundaryBytes);
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100 out.write(__CRLF);
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101 if (contentType != null)
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102 out.write(("Content-Type: "+contentType).getBytes(StringUtil.__ISO_8859_1));
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103 out.write(__CRLF);
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104 out.write(__CRLF);
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105 }
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106
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107 /* ------------------------------------------------------------ */
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108 /** Start creation of the next Content.
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109 */
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110 public void startPart(String contentType, String[] headers)
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111 throws IOException
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112 {
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113 if (inPart)
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114 out.write(__CRLF);
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115 inPart=true;
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116 out.write(__DASHDASH);
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117 out.write(boundaryBytes);
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118 out.write(__CRLF);
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119 if (contentType != null)
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120 out.write(("Content-Type: "+contentType).getBytes(StringUtil.__ISO_8859_1));
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121 out.write(__CRLF);
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122 for (int i=0;headers!=null && i<headers.length;i++)
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123 {
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124 out.write(headers[i].getBytes(StringUtil.__ISO_8859_1));
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125 out.write(__CRLF);
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126 }
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127 out.write(__CRLF);
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128 }
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129
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130 /* ------------------------------------------------------------ */
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131 @Override
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132 public void write(byte[] b, int off, int len) throws IOException
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133 {
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134 out.write(b,off,len);
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135 }
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136 }
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