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Posted to notifications@commons.apache.org by ch...@apache.org on 2019/01/16 11:46:14 UTC
svn commit: r1039077 [38/42] - in
/websites/production/commons/content/proper/commons-fileupload/javadocs/api-release:
./ org/ org/apache/ org/apache/commons/ org/apache/commons/fileupload/
org/apache/commons/fileupload/class-use/ org/apache/commons/fi...
Added: websites/production/commons/content/proper/commons-fileupload/javadocs/api-release/src-html/org/apache/commons/fileupload/MultipartStream.html
==============================================================================
--- websites/production/commons/content/proper/commons-fileupload/javadocs/api-release/src-html/org/apache/commons/fileupload/MultipartStream.html (added)
+++ websites/production/commons/content/proper/commons-fileupload/javadocs/api-release/src-html/org/apache/commons/fileupload/MultipartStream.html Wed Jan 16 11:46:12 2019
@@ -0,0 +1,1133 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html lang="en">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
+<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one or more<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * contributor license agreements. See the NOTICE file distributed with<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * this work for additional information regarding copyright ownership.<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * The ASF licenses this file to You under the Apache License, Version 2.0<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * (the "License"); you may not use this file except in compliance with<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * the License. You may obtain a copy of the License at<a name="line.7"></a>
+<span class="sourceLineNo">008</span> *<a name="line.8"></a>
+<span class="sourceLineNo">009</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
+<span class="sourceLineNo">010</span> *<a name="line.10"></a>
+<span class="sourceLineNo">011</span> * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a>
+<span class="sourceLineNo">012</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * See the License for the specific language governing permissions and<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * limitations under the License.<a name="line.15"></a>
+<span class="sourceLineNo">016</span> */<a name="line.16"></a>
+<span class="sourceLineNo">017</span>package org.apache.commons.fileupload;<a name="line.17"></a>
+<span class="sourceLineNo">018</span><a name="line.18"></a>
+<span class="sourceLineNo">019</span>import static java.lang.String.format;<a name="line.19"></a>
+<span class="sourceLineNo">020</span><a name="line.20"></a>
+<span class="sourceLineNo">021</span>import java.io.ByteArrayOutputStream;<a name="line.21"></a>
+<span class="sourceLineNo">022</span>import java.io.IOException;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import java.io.InputStream;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import java.io.OutputStream;<a name="line.24"></a>
+<span class="sourceLineNo">025</span>import java.io.UnsupportedEncodingException;<a name="line.25"></a>
+<span class="sourceLineNo">026</span><a name="line.26"></a>
+<span class="sourceLineNo">027</span>import org.apache.commons.fileupload.FileUploadBase.FileUploadIOException;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import org.apache.commons.fileupload.util.Closeable;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import org.apache.commons.fileupload.util.Streams;<a name="line.29"></a>
+<span class="sourceLineNo">030</span><a name="line.30"></a>
+<span class="sourceLineNo">031</span>/**<a name="line.31"></a>
+<span class="sourceLineNo">032</span> * <p> Low level API for processing file uploads.<a name="line.32"></a>
+<span class="sourceLineNo">033</span> *<a name="line.33"></a>
+<span class="sourceLineNo">034</span> * <p> This class can be used to process data streams conforming to MIME<a name="line.34"></a>
+<span class="sourceLineNo">035</span> * 'multipart' format as defined in<a name="line.35"></a>
+<span class="sourceLineNo">036</span> * <a href="http://www.ietf.org/rfc/rfc1867.txt">RFC 1867</a>. Arbitrarily<a name="line.36"></a>
+<span class="sourceLineNo">037</span> * large amounts of data in the stream can be processed under constant<a name="line.37"></a>
+<span class="sourceLineNo">038</span> * memory usage.<a name="line.38"></a>
+<span class="sourceLineNo">039</span> *<a name="line.39"></a>
+<span class="sourceLineNo">040</span> * <p> The format of the stream is defined in the following way:<br><a name="line.40"></a>
+<span class="sourceLineNo">041</span> *<a name="line.41"></a>
+<span class="sourceLineNo">042</span> * <code><a name="line.42"></a>
+<span class="sourceLineNo">043</span> * multipart-body := preamble 1*encapsulation close-delimiter epilogue<br><a name="line.43"></a>
+<span class="sourceLineNo">044</span> * encapsulation := delimiter body CRLF<br><a name="line.44"></a>
+<span class="sourceLineNo">045</span> * delimiter := "--" boundary CRLF<br><a name="line.45"></a>
+<span class="sourceLineNo">046</span> * close-delimiter := "--" boundary "--"<br><a name="line.46"></a>
+<span class="sourceLineNo">047</span> * preamble := &lt;ignore&gt;<br><a name="line.47"></a>
+<span class="sourceLineNo">048</span> * epilogue := &lt;ignore&gt;<br><a name="line.48"></a>
+<span class="sourceLineNo">049</span> * body := header-part CRLF body-part<br><a name="line.49"></a>
+<span class="sourceLineNo">050</span> * header-part := 1*header CRLF<br><a name="line.50"></a>
+<span class="sourceLineNo">051</span> * header := header-name ":" header-value<br><a name="line.51"></a>
+<span class="sourceLineNo">052</span> * header-name := &lt;printable ascii characters except ":"&gt;<br><a name="line.52"></a>
+<span class="sourceLineNo">053</span> * header-value := &lt;any ascii characters except CR &amp; LF&gt;<br><a name="line.53"></a>
+<span class="sourceLineNo">054</span> * body-data := &lt;arbitrary data&gt;<br><a name="line.54"></a>
+<span class="sourceLineNo">055</span> * </code><a name="line.55"></a>
+<span class="sourceLineNo">056</span> *<a name="line.56"></a>
+<span class="sourceLineNo">057</span> * <p>Note that body-data can contain another mulipart entity. There<a name="line.57"></a>
+<span class="sourceLineNo">058</span> * is limited support for single pass processing of such nested<a name="line.58"></a>
+<span class="sourceLineNo">059</span> * streams. The nested stream is <strong>required</strong> to have a<a name="line.59"></a>
+<span class="sourceLineNo">060</span> * boundary token of the same length as the parent stream (see {@link<a name="line.60"></a>
+<span class="sourceLineNo">061</span> * #setBoundary(byte[])}).<a name="line.61"></a>
+<span class="sourceLineNo">062</span> *<a name="line.62"></a>
+<span class="sourceLineNo">063</span> * <p>Here is an example of usage of this class.<br><a name="line.63"></a>
+<span class="sourceLineNo">064</span> *<a name="line.64"></a>
+<span class="sourceLineNo">065</span> * <pre><a name="line.65"></a>
+<span class="sourceLineNo">066</span> * try {<a name="line.66"></a>
+<span class="sourceLineNo">067</span> * MultipartStream multipartStream = new MultipartStream(input, boundary);<a name="line.67"></a>
+<span class="sourceLineNo">068</span> * boolean nextPart = multipartStream.skipPreamble();<a name="line.68"></a>
+<span class="sourceLineNo">069</span> * OutputStream output;<a name="line.69"></a>
+<span class="sourceLineNo">070</span> * while(nextPart) {<a name="line.70"></a>
+<span class="sourceLineNo">071</span> * String header = multipartStream.readHeaders();<a name="line.71"></a>
+<span class="sourceLineNo">072</span> * // process headers<a name="line.72"></a>
+<span class="sourceLineNo">073</span> * // create some output stream<a name="line.73"></a>
+<span class="sourceLineNo">074</span> * multipartStream.readBodyData(output);<a name="line.74"></a>
+<span class="sourceLineNo">075</span> * nextPart = multipartStream.readBoundary();<a name="line.75"></a>
+<span class="sourceLineNo">076</span> * }<a name="line.76"></a>
+<span class="sourceLineNo">077</span> * } catch(MultipartStream.MalformedStreamException e) {<a name="line.77"></a>
+<span class="sourceLineNo">078</span> * // the stream failed to follow required syntax<a name="line.78"></a>
+<span class="sourceLineNo">079</span> * } catch(IOException e) {<a name="line.79"></a>
+<span class="sourceLineNo">080</span> * // a read or write error occurred<a name="line.80"></a>
+<span class="sourceLineNo">081</span> * }<a name="line.81"></a>
+<span class="sourceLineNo">082</span> * </pre><a name="line.82"></a>
+<span class="sourceLineNo">083</span> */<a name="line.83"></a>
+<span class="sourceLineNo">084</span>public class MultipartStream {<a name="line.84"></a>
+<span class="sourceLineNo">085</span><a name="line.85"></a>
+<span class="sourceLineNo">086</span> /**<a name="line.86"></a>
+<span class="sourceLineNo">087</span> * Internal class, which is used to invoke the<a name="line.87"></a>
+<span class="sourceLineNo">088</span> * {@link ProgressListener}.<a name="line.88"></a>
+<span class="sourceLineNo">089</span> */<a name="line.89"></a>
+<span class="sourceLineNo">090</span> public static class ProgressNotifier {<a name="line.90"></a>
+<span class="sourceLineNo">091</span><a name="line.91"></a>
+<span class="sourceLineNo">092</span> /**<a name="line.92"></a>
+<span class="sourceLineNo">093</span> * The listener to invoke.<a name="line.93"></a>
+<span class="sourceLineNo">094</span> */<a name="line.94"></a>
+<span class="sourceLineNo">095</span> private final ProgressListener listener;<a name="line.95"></a>
+<span class="sourceLineNo">096</span><a name="line.96"></a>
+<span class="sourceLineNo">097</span> /**<a name="line.97"></a>
+<span class="sourceLineNo">098</span> * Number of expected bytes, if known, or -1.<a name="line.98"></a>
+<span class="sourceLineNo">099</span> */<a name="line.99"></a>
+<span class="sourceLineNo">100</span> private final long contentLength;<a name="line.100"></a>
+<span class="sourceLineNo">101</span><a name="line.101"></a>
+<span class="sourceLineNo">102</span> /**<a name="line.102"></a>
+<span class="sourceLineNo">103</span> * Number of bytes, which have been read so far.<a name="line.103"></a>
+<span class="sourceLineNo">104</span> */<a name="line.104"></a>
+<span class="sourceLineNo">105</span> private long bytesRead;<a name="line.105"></a>
+<span class="sourceLineNo">106</span><a name="line.106"></a>
+<span class="sourceLineNo">107</span> /**<a name="line.107"></a>
+<span class="sourceLineNo">108</span> * Number of items, which have been read so far.<a name="line.108"></a>
+<span class="sourceLineNo">109</span> */<a name="line.109"></a>
+<span class="sourceLineNo">110</span> private int items;<a name="line.110"></a>
+<span class="sourceLineNo">111</span><a name="line.111"></a>
+<span class="sourceLineNo">112</span> /**<a name="line.112"></a>
+<span class="sourceLineNo">113</span> * Creates a new instance with the given listener<a name="line.113"></a>
+<span class="sourceLineNo">114</span> * and content length.<a name="line.114"></a>
+<span class="sourceLineNo">115</span> *<a name="line.115"></a>
+<span class="sourceLineNo">116</span> * @param pListener The listener to invoke.<a name="line.116"></a>
+<span class="sourceLineNo">117</span> * @param pContentLength The expected content length.<a name="line.117"></a>
+<span class="sourceLineNo">118</span> */<a name="line.118"></a>
+<span class="sourceLineNo">119</span> ProgressNotifier(ProgressListener pListener, long pContentLength) {<a name="line.119"></a>
+<span class="sourceLineNo">120</span> listener = pListener;<a name="line.120"></a>
+<span class="sourceLineNo">121</span> contentLength = pContentLength;<a name="line.121"></a>
+<span class="sourceLineNo">122</span> }<a name="line.122"></a>
+<span class="sourceLineNo">123</span><a name="line.123"></a>
+<span class="sourceLineNo">124</span> /**<a name="line.124"></a>
+<span class="sourceLineNo">125</span> * Called to indicate that bytes have been read.<a name="line.125"></a>
+<span class="sourceLineNo">126</span> *<a name="line.126"></a>
+<span class="sourceLineNo">127</span> * @param pBytes Number of bytes, which have been read.<a name="line.127"></a>
+<span class="sourceLineNo">128</span> */<a name="line.128"></a>
+<span class="sourceLineNo">129</span> void noteBytesRead(int pBytes) {<a name="line.129"></a>
+<span class="sourceLineNo">130</span> /* Indicates, that the given number of bytes have been read from<a name="line.130"></a>
+<span class="sourceLineNo">131</span> * the input stream.<a name="line.131"></a>
+<span class="sourceLineNo">132</span> */<a name="line.132"></a>
+<span class="sourceLineNo">133</span> bytesRead += pBytes;<a name="line.133"></a>
+<span class="sourceLineNo">134</span> notifyListener();<a name="line.134"></a>
+<span class="sourceLineNo">135</span> }<a name="line.135"></a>
+<span class="sourceLineNo">136</span><a name="line.136"></a>
+<span class="sourceLineNo">137</span> /**<a name="line.137"></a>
+<span class="sourceLineNo">138</span> * Called to indicate, that a new file item has been detected.<a name="line.138"></a>
+<span class="sourceLineNo">139</span> */<a name="line.139"></a>
+<span class="sourceLineNo">140</span> void noteItem() {<a name="line.140"></a>
+<span class="sourceLineNo">141</span> ++items;<a name="line.141"></a>
+<span class="sourceLineNo">142</span> notifyListener();<a name="line.142"></a>
+<span class="sourceLineNo">143</span> }<a name="line.143"></a>
+<span class="sourceLineNo">144</span><a name="line.144"></a>
+<span class="sourceLineNo">145</span> /**<a name="line.145"></a>
+<span class="sourceLineNo">146</span> * Called for notifying the listener.<a name="line.146"></a>
+<span class="sourceLineNo">147</span> */<a name="line.147"></a>
+<span class="sourceLineNo">148</span> private void notifyListener() {<a name="line.148"></a>
+<span class="sourceLineNo">149</span> if (listener != null) {<a name="line.149"></a>
+<span class="sourceLineNo">150</span> listener.update(bytesRead, contentLength, items);<a name="line.150"></a>
+<span class="sourceLineNo">151</span> }<a name="line.151"></a>
+<span class="sourceLineNo">152</span> }<a name="line.152"></a>
+<span class="sourceLineNo">153</span><a name="line.153"></a>
+<span class="sourceLineNo">154</span> }<a name="line.154"></a>
+<span class="sourceLineNo">155</span><a name="line.155"></a>
+<span class="sourceLineNo">156</span> // ----------------------------------------------------- Manifest constants<a name="line.156"></a>
+<span class="sourceLineNo">157</span><a name="line.157"></a>
+<span class="sourceLineNo">158</span> /**<a name="line.158"></a>
+<span class="sourceLineNo">159</span> * The Carriage Return ASCII character value.<a name="line.159"></a>
+<span class="sourceLineNo">160</span> */<a name="line.160"></a>
+<span class="sourceLineNo">161</span> public static final byte CR = 0x0D;<a name="line.161"></a>
+<span class="sourceLineNo">162</span><a name="line.162"></a>
+<span class="sourceLineNo">163</span> /**<a name="line.163"></a>
+<span class="sourceLineNo">164</span> * The Line Feed ASCII character value.<a name="line.164"></a>
+<span class="sourceLineNo">165</span> */<a name="line.165"></a>
+<span class="sourceLineNo">166</span> public static final byte LF = 0x0A;<a name="line.166"></a>
+<span class="sourceLineNo">167</span><a name="line.167"></a>
+<span class="sourceLineNo">168</span> /**<a name="line.168"></a>
+<span class="sourceLineNo">169</span> * The dash (-) ASCII character value.<a name="line.169"></a>
+<span class="sourceLineNo">170</span> */<a name="line.170"></a>
+<span class="sourceLineNo">171</span> public static final byte DASH = 0x2D;<a name="line.171"></a>
+<span class="sourceLineNo">172</span><a name="line.172"></a>
+<span class="sourceLineNo">173</span> /**<a name="line.173"></a>
+<span class="sourceLineNo">174</span> * The maximum length of <code>header-part</code> that will be<a name="line.174"></a>
+<span class="sourceLineNo">175</span> * processed (10 kilobytes = 10240 bytes.).<a name="line.175"></a>
+<span class="sourceLineNo">176</span> */<a name="line.176"></a>
+<span class="sourceLineNo">177</span> public static final int HEADER_PART_SIZE_MAX = 10240;<a name="line.177"></a>
+<span class="sourceLineNo">178</span><a name="line.178"></a>
+<span class="sourceLineNo">179</span> /**<a name="line.179"></a>
+<span class="sourceLineNo">180</span> * The default length of the buffer used for processing a request.<a name="line.180"></a>
+<span class="sourceLineNo">181</span> */<a name="line.181"></a>
+<span class="sourceLineNo">182</span> protected static final int DEFAULT_BUFSIZE = 4096;<a name="line.182"></a>
+<span class="sourceLineNo">183</span><a name="line.183"></a>
+<span class="sourceLineNo">184</span> /**<a name="line.184"></a>
+<span class="sourceLineNo">185</span> * A byte sequence that marks the end of <code>header-part</code><a name="line.185"></a>
+<span class="sourceLineNo">186</span> * (<code>CRLFCRLF</code>).<a name="line.186"></a>
+<span class="sourceLineNo">187</span> */<a name="line.187"></a>
+<span class="sourceLineNo">188</span> protected static final byte[] HEADER_SEPARATOR = {CR, LF, CR, LF};<a name="line.188"></a>
+<span class="sourceLineNo">189</span><a name="line.189"></a>
+<span class="sourceLineNo">190</span> /**<a name="line.190"></a>
+<span class="sourceLineNo">191</span> * A byte sequence that that follows a delimiter that will be<a name="line.191"></a>
+<span class="sourceLineNo">192</span> * followed by an encapsulation (<code>CRLF</code>).<a name="line.192"></a>
+<span class="sourceLineNo">193</span> */<a name="line.193"></a>
+<span class="sourceLineNo">194</span> protected static final byte[] FIELD_SEPARATOR = {CR, LF};<a name="line.194"></a>
+<span class="sourceLineNo">195</span><a name="line.195"></a>
+<span class="sourceLineNo">196</span> /**<a name="line.196"></a>
+<span class="sourceLineNo">197</span> * A byte sequence that that follows a delimiter of the last<a name="line.197"></a>
+<span class="sourceLineNo">198</span> * encapsulation in the stream (<code>--</code>).<a name="line.198"></a>
+<span class="sourceLineNo">199</span> */<a name="line.199"></a>
+<span class="sourceLineNo">200</span> protected static final byte[] STREAM_TERMINATOR = {DASH, DASH};<a name="line.200"></a>
+<span class="sourceLineNo">201</span><a name="line.201"></a>
+<span class="sourceLineNo">202</span> /**<a name="line.202"></a>
+<span class="sourceLineNo">203</span> * A byte sequence that precedes a boundary (<code>CRLF--</code>).<a name="line.203"></a>
+<span class="sourceLineNo">204</span> */<a name="line.204"></a>
+<span class="sourceLineNo">205</span> protected static final byte[] BOUNDARY_PREFIX = {CR, LF, DASH, DASH};<a name="line.205"></a>
+<span class="sourceLineNo">206</span><a name="line.206"></a>
+<span class="sourceLineNo">207</span> // ----------------------------------------------------------- Data members<a name="line.207"></a>
+<span class="sourceLineNo">208</span><a name="line.208"></a>
+<span class="sourceLineNo">209</span> /**<a name="line.209"></a>
+<span class="sourceLineNo">210</span> * The input stream from which data is read.<a name="line.210"></a>
+<span class="sourceLineNo">211</span> */<a name="line.211"></a>
+<span class="sourceLineNo">212</span> private final InputStream input;<a name="line.212"></a>
+<span class="sourceLineNo">213</span><a name="line.213"></a>
+<span class="sourceLineNo">214</span> /**<a name="line.214"></a>
+<span class="sourceLineNo">215</span> * The length of the boundary token plus the leading <code>CRLF--</code>.<a name="line.215"></a>
+<span class="sourceLineNo">216</span> */<a name="line.216"></a>
+<span class="sourceLineNo">217</span> private int boundaryLength;<a name="line.217"></a>
+<span class="sourceLineNo">218</span><a name="line.218"></a>
+<span class="sourceLineNo">219</span> /**<a name="line.219"></a>
+<span class="sourceLineNo">220</span> * The amount of data, in bytes, that must be kept in the buffer in order<a name="line.220"></a>
+<span class="sourceLineNo">221</span> * to detect delimiters reliably.<a name="line.221"></a>
+<span class="sourceLineNo">222</span> */<a name="line.222"></a>
+<span class="sourceLineNo">223</span> private final int keepRegion;<a name="line.223"></a>
+<span class="sourceLineNo">224</span><a name="line.224"></a>
+<span class="sourceLineNo">225</span> /**<a name="line.225"></a>
+<span class="sourceLineNo">226</span> * The byte sequence that partitions the stream.<a name="line.226"></a>
+<span class="sourceLineNo">227</span> */<a name="line.227"></a>
+<span class="sourceLineNo">228</span> private final byte[] boundary;<a name="line.228"></a>
+<span class="sourceLineNo">229</span><a name="line.229"></a>
+<span class="sourceLineNo">230</span> /**<a name="line.230"></a>
+<span class="sourceLineNo">231</span> * The table for Knuth-Morris-Pratt search algorithm.<a name="line.231"></a>
+<span class="sourceLineNo">232</span> */<a name="line.232"></a>
+<span class="sourceLineNo">233</span> private final int[] boundaryTable;<a name="line.233"></a>
+<span class="sourceLineNo">234</span><a name="line.234"></a>
+<span class="sourceLineNo">235</span> /**<a name="line.235"></a>
+<span class="sourceLineNo">236</span> * The length of the buffer used for processing the request.<a name="line.236"></a>
+<span class="sourceLineNo">237</span> */<a name="line.237"></a>
+<span class="sourceLineNo">238</span> private final int bufSize;<a name="line.238"></a>
+<span class="sourceLineNo">239</span><a name="line.239"></a>
+<span class="sourceLineNo">240</span> /**<a name="line.240"></a>
+<span class="sourceLineNo">241</span> * The buffer used for processing the request.<a name="line.241"></a>
+<span class="sourceLineNo">242</span> */<a name="line.242"></a>
+<span class="sourceLineNo">243</span> private final byte[] buffer;<a name="line.243"></a>
+<span class="sourceLineNo">244</span><a name="line.244"></a>
+<span class="sourceLineNo">245</span> /**<a name="line.245"></a>
+<span class="sourceLineNo">246</span> * The index of first valid character in the buffer.<a name="line.246"></a>
+<span class="sourceLineNo">247</span> * <br><a name="line.247"></a>
+<span class="sourceLineNo">248</span> * 0 <= head < bufSize<a name="line.248"></a>
+<span class="sourceLineNo">249</span> */<a name="line.249"></a>
+<span class="sourceLineNo">250</span> private int head;<a name="line.250"></a>
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+<span class="sourceLineNo">404</span> /**<a name="line.404"></a>
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+<span class="sourceLineNo">410</span> */<a name="line.410"></a>
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+<span class="sourceLineNo">415</span> /**<a name="line.415"></a>
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+<span class="sourceLineNo">418</span> *<a name="line.418"></a>
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+<span class="sourceLineNo">422</span> */<a name="line.422"></a>
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+<span class="sourceLineNo">436</span> }<a name="line.436"></a>
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+<span class="sourceLineNo">439</span><a name="line.439"></a>
+<span class="sourceLineNo">440</span> /**<a name="line.440"></a>
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+<span class="sourceLineNo">442</span> * <code>encapsulations</code> are contained in the stream.<a name="line.442"></a>
+<span class="sourceLineNo">443</span> *<a name="line.443"></a>
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+<span class="sourceLineNo">445</span> * this stream; <code>false</code> otherwise.<a name="line.445"></a>
+<span class="sourceLineNo">446</span> *<a name="line.446"></a>
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+<span class="sourceLineNo">449</span> * fails to follow required syntax.<a name="line.449"></a>
+<span class="sourceLineNo">450</span> */<a name="line.450"></a>
+<span class="sourceLineNo">451</span> public boolean readBoundary()<a name="line.451"></a>
+<span class="sourceLineNo">452</span> throws FileUploadIOException, MalformedStreamException {<a name="line.452"></a>
+<span class="sourceLineNo">453</span> byte[] marker = new byte[2];<a name="line.453"></a>
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+<span class="sourceLineNo">455</span><a name="line.455"></a>
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+<span class="sourceLineNo">457</span> try {<a name="line.457"></a>
+<span class="sourceLineNo">458</span> marker[0] = readByte();<a name="line.458"></a>
+<span class="sourceLineNo">459</span> if (marker[0] == LF) {<a name="line.459"></a>
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+<span class="sourceLineNo">462</span> // CRLF, must not appear within any file (RFC 2046, section<a name="line.462"></a>
+<span class="sourceLineNo">463</span> // 5.1.1), we know the missing CR is due to a buggy browser<a name="line.463"></a>
+<span class="sourceLineNo">464</span> // rather than a file containing something similar to a<a name="line.464"></a>
+<span class="sourceLineNo">465</span> // boundary.<a name="line.465"></a>
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+<span class="sourceLineNo">493</span> * <p>The boundary token of the nested stream is <code>required</code><a name="line.493"></a>
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+<span class="sourceLineNo">504</span> * being currently parsed.<a name="line.504"></a>
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