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annotate src/org/eclipse/jetty/util/MultiPartWriter.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
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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.FilterWriter;
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22 import java.io.IOException;
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23 import java.io.Writer;
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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 MultiPartWriter extends FilterWriter
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33 {
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34 /* ------------------------------------------------------------ */
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35 private final static String __CRLF="\015\012";
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36 private final static String __DASHDASH="--";
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37
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38 public static String MULTIPART_MIXED=MultiPartOutputStream.MULTIPART_MIXED;
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39 public static String MULTIPART_X_MIXED_REPLACE=MultiPartOutputStream.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
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44 /* ------------------------------------------------------------ */
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45 private boolean inPart=false;
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46
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47 /* ------------------------------------------------------------ */
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48 public MultiPartWriter(Writer out)
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49 throws IOException
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50 {
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51 super(out);
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52 boundary = "jetty"+System.identityHashCode(this)+
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53 Long.toString(System.currentTimeMillis(),36);
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54
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55 inPart=false;
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56 }
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57
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58 /* ------------------------------------------------------------ */
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59 /** End the current part.
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60 * @exception IOException IOException
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61 */
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62 @Override
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63 public void close()
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64 throws IOException
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65 {
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66 if (inPart)
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67 out.write(__CRLF);
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68 out.write(__DASHDASH);
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69 out.write(boundary);
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70 out.write(__DASHDASH);
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71 out.write(__CRLF);
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72 inPart=false;
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73 super.close();
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74 }
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75
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76 /* ------------------------------------------------------------ */
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77 public String getBoundary()
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78 {
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79 return boundary;
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80 }
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81
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82 /* ------------------------------------------------------------ */
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83 /** Start creation of the next Content.
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84 */
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85 public void startPart(String contentType)
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86 throws IOException
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87 {
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88 if (inPart)
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89 out.write(__CRLF);
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90 out.write(__DASHDASH);
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91 out.write(boundary);
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92 out.write(__CRLF);
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93 out.write("Content-Type: ");
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94 out.write(contentType);
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95 out.write(__CRLF);
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96 out.write(__CRLF);
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97 inPart=true;
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98 }
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99
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100 /* ------------------------------------------------------------ */
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101 /** end creation of the next Content.
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102 */
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103 public void endPart()
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104 throws IOException
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105 {
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106 if (inPart)
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107 out.write(__CRLF);
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108 inPart=false;
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109 }
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110
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111 /* ------------------------------------------------------------ */
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112 /** Start creation of the next Content.
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113 */
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114 public void startPart(String contentType, String[] headers)
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115 throws IOException
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116 {
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117 if (inPart)
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118 out.write(__CRLF);
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119 out.write(__DASHDASH);
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120 out.write(boundary);
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121 out.write(__CRLF);
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122 out.write("Content-Type: ");
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123 out.write(contentType);
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124 out.write(__CRLF);
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125 for (int i=0;headers!=null && i<headers.length;i++)
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126 {
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127 out.write(headers[i]);
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128 out.write(__CRLF);
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129 }
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130 out.write(__CRLF);
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131 inPart=true;
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132 }
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133
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134 }
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