Added:
websites/production/commons/content/proper/commons-fileupload/javadocs/api-release/src-html/org/apache/commons/fileupload/util/mime/MimeUtility.html
==============================================================================
---
websites/production/commons/content/proper/commons-fileupload/javadocs/api-release/src-html/org/apache/commons/fileupload/util/mime/MimeUtility.html
(added)
+++
websites/production/commons/content/proper/commons-fileupload/javadocs/api-release/src-html/org/apache/commons/fileupload/util/mime/MimeUtility.html
Tue Jun 13 12:48:38 2017
@@ -0,0 +1,355 @@
+<!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.util.mime;<a name="line.17"></a>
+<span class="sourceLineNo">018</span><a name="line.18"></a>
+<span class="sourceLineNo">019</span>import java.io.ByteArrayOutputStream;<a
name="line.19"></a>
+<span class="sourceLineNo">020</span>import java.io.IOException;<a
name="line.20"></a>
+<span class="sourceLineNo">021</span>import
java.io.UnsupportedEncodingException;<a name="line.21"></a>
+<span class="sourceLineNo">022</span>import java.util.HashMap;<a
name="line.22"></a>
+<span class="sourceLineNo">023</span>import java.util.Locale;<a
name="line.23"></a>
+<span class="sourceLineNo">024</span>import java.util.Map;<a
name="line.24"></a>
+<span class="sourceLineNo">025</span><a name="line.25"></a>
+<span class="sourceLineNo">026</span>/**<a name="line.26"></a>
+<span class="sourceLineNo">027</span> * Utility class to decode MIME texts.<a
name="line.27"></a>
+<span class="sourceLineNo">028</span> *<a name="line.28"></a>
+<span class="sourceLineNo">029</span> * @since 1.3<a name="line.29"></a>
+<span class="sourceLineNo">030</span> */<a name="line.30"></a>
+<span class="sourceLineNo">031</span>public final class MimeUtility {<a
name="line.31"></a>
+<span class="sourceLineNo">032</span><a name="line.32"></a>
+<span class="sourceLineNo">033</span> /**<a name="line.33"></a>
+<span class="sourceLineNo">034</span> * The {@code US-ASCII} charset
identifier constant.<a name="line.34"></a>
+<span class="sourceLineNo">035</span> */<a name="line.35"></a>
+<span class="sourceLineNo">036</span> private static final String
US_ASCII_CHARSET = "US-ASCII";<a name="line.36"></a>
+<span class="sourceLineNo">037</span><a name="line.37"></a>
+<span class="sourceLineNo">038</span> /**<a name="line.38"></a>
+<span class="sourceLineNo">039</span> * The marker to indicate text is
encoded with BASE64 algorithm.<a name="line.39"></a>
+<span class="sourceLineNo">040</span> */<a name="line.40"></a>
+<span class="sourceLineNo">041</span> private static final String
BASE64_ENCODING_MARKER = "B";<a name="line.41"></a>
+<span class="sourceLineNo">042</span><a name="line.42"></a>
+<span class="sourceLineNo">043</span> /**<a name="line.43"></a>
+<span class="sourceLineNo">044</span> * The marker to indicate text is
encoded with QuotedPrintable algorithm.<a name="line.44"></a>
+<span class="sourceLineNo">045</span> */<a name="line.45"></a>
+<span class="sourceLineNo">046</span> private static final String
QUOTEDPRINTABLE_ENCODING_MARKER = "Q";<a name="line.46"></a>
+<span class="sourceLineNo">047</span><a name="line.47"></a>
+<span class="sourceLineNo">048</span> /**<a name="line.48"></a>
+<span class="sourceLineNo">049</span> * If the text contains any encoded
tokens, those tokens will be marked with "=?".<a name="line.49"></a>
+<span class="sourceLineNo">050</span> */<a name="line.50"></a>
+<span class="sourceLineNo">051</span> private static final String
ENCODED_TOKEN_MARKER = "=?";<a name="line.51"></a>
+<span class="sourceLineNo">052</span><a name="line.52"></a>
+<span class="sourceLineNo">053</span> /**<a name="line.53"></a>
+<span class="sourceLineNo">054</span> * If the text contains any encoded
tokens, those tokens will terminate with "=?".<a name="line.54"></a>
+<span class="sourceLineNo">055</span> */<a name="line.55"></a>
+<span class="sourceLineNo">056</span> private static final String
ENCODED_TOKEN_FINISHER = "?=";<a name="line.56"></a>
+<span class="sourceLineNo">057</span><a name="line.57"></a>
+<span class="sourceLineNo">058</span> /**<a name="line.58"></a>
+<span class="sourceLineNo">059</span> * The linear whitespace chars
sequence.<a name="line.59"></a>
+<span class="sourceLineNo">060</span> */<a name="line.60"></a>
+<span class="sourceLineNo">061</span> private static final String
LINEAR_WHITESPACE = " \t\r\n";<a name="line.61"></a>
+<span class="sourceLineNo">062</span><a name="line.62"></a>
+<span class="sourceLineNo">063</span> /**<a name="line.63"></a>
+<span class="sourceLineNo">064</span> * Mappings between MIME and Java
charset.<a name="line.64"></a>
+<span class="sourceLineNo">065</span> */<a name="line.65"></a>
+<span class="sourceLineNo">066</span> private static final Map<String,
String> MIME2JAVA = new HashMap<String, String>();<a
name="line.66"></a>
+<span class="sourceLineNo">067</span><a name="line.67"></a>
+<span class="sourceLineNo">068</span> static {<a name="line.68"></a>
+<span class="sourceLineNo">069</span> MIME2JAVA.put("iso-2022-cn",
"ISO2022CN");<a name="line.69"></a>
+<span class="sourceLineNo">070</span> MIME2JAVA.put("iso-2022-kr",
"ISO2022KR");<a name="line.70"></a>
+<span class="sourceLineNo">071</span> MIME2JAVA.put("utf-8", "UTF8");<a
name="line.71"></a>
+<span class="sourceLineNo">072</span> MIME2JAVA.put("utf8", "UTF8");<a
name="line.72"></a>
+<span class="sourceLineNo">073</span> MIME2JAVA.put("ja_jp.iso2022-7",
"ISO2022JP");<a name="line.73"></a>
+<span class="sourceLineNo">074</span> MIME2JAVA.put("ja_jp.eucjp",
"EUCJIS");<a name="line.74"></a>
+<span class="sourceLineNo">075</span> MIME2JAVA.put("euc-kr",
"KSC5601");<a name="line.75"></a>
+<span class="sourceLineNo">076</span> MIME2JAVA.put("euckr",
"KSC5601");<a name="line.76"></a>
+<span class="sourceLineNo">077</span> MIME2JAVA.put("us-ascii",
"ISO-8859-1");<a name="line.77"></a>
+<span class="sourceLineNo">078</span> MIME2JAVA.put("x-us-ascii",
"ISO-8859-1");<a name="line.78"></a>
+<span class="sourceLineNo">079</span> }<a name="line.79"></a>
+<span class="sourceLineNo">080</span><a name="line.80"></a>
+<span class="sourceLineNo">081</span> /**<a name="line.81"></a>
+<span class="sourceLineNo">082</span> * Hidden constructor, this class
must not be instantiated.<a name="line.82"></a>
+<span class="sourceLineNo">083</span> */<a name="line.83"></a>
+<span class="sourceLineNo">084</span> private MimeUtility() {<a
name="line.84"></a>
+<span class="sourceLineNo">085</span> // do nothing<a
name="line.85"></a>
+<span class="sourceLineNo">086</span> }<a name="line.86"></a>
+<span class="sourceLineNo">087</span><a name="line.87"></a>
+<span class="sourceLineNo">088</span> /**<a name="line.88"></a>
+<span class="sourceLineNo">089</span> * Decode a string of text obtained
from a mail header into<a name="line.89"></a>
+<span class="sourceLineNo">090</span> * its proper form. The text
generally will consist of a<a name="line.90"></a>
+<span class="sourceLineNo">091</span> * string of tokens, some of which
may be encoded using<a name="line.91"></a>
+<span class="sourceLineNo">092</span> * base64 encoding.<a
name="line.92"></a>
+<span class="sourceLineNo">093</span> *<a name="line.93"></a>
+<span class="sourceLineNo">094</span> * @param text The text to
decode.<a name="line.94"></a>
+<span class="sourceLineNo">095</span> *<a name="line.95"></a>
+<span class="sourceLineNo">096</span> * @return The decoded text string.<a
name="line.96"></a>
+<span class="sourceLineNo">097</span> * @throws
UnsupportedEncodingException if the detected encoding in the input text is not
supported.<a name="line.97"></a>
+<span class="sourceLineNo">098</span> */<a name="line.98"></a>
+<span class="sourceLineNo">099</span> public static String
decodeText(String text) throws UnsupportedEncodingException {<a
name="line.99"></a>
+<span class="sourceLineNo">100</span> // if the text contains any
encoded tokens, those tokens will be marked with "=?". If the<a
name="line.100"></a>
+<span class="sourceLineNo">101</span> // source string doesn't contain
that sequent, no decoding is required.<a name="line.101"></a>
+<span class="sourceLineNo">102</span> if
(text.indexOf(ENCODED_TOKEN_MARKER) < 0) {<a name="line.102"></a>
+<span class="sourceLineNo">103</span> return text;<a
name="line.103"></a>
+<span class="sourceLineNo">104</span> }<a name="line.104"></a>
+<span class="sourceLineNo">105</span><a name="line.105"></a>
+<span class="sourceLineNo">106</span> int offset = 0;<a
name="line.106"></a>
+<span class="sourceLineNo">107</span> int endOffset = text.length();<a
name="line.107"></a>
+<span class="sourceLineNo">108</span><a name="line.108"></a>
+<span class="sourceLineNo">109</span> int startWhiteSpace = -1;<a
name="line.109"></a>
+<span class="sourceLineNo">110</span> int endWhiteSpace = -1;<a
name="line.110"></a>
+<span class="sourceLineNo">111</span><a name="line.111"></a>
+<span class="sourceLineNo">112</span> StringBuilder decodedText = new
StringBuilder(text.length());<a name="line.112"></a>
+<span class="sourceLineNo">113</span><a name="line.113"></a>
+<span class="sourceLineNo">114</span> boolean previousTokenEncoded =
false;<a name="line.114"></a>
+<span class="sourceLineNo">115</span><a name="line.115"></a>
+<span class="sourceLineNo">116</span> while (offset < endOffset) {<a
name="line.116"></a>
+<span class="sourceLineNo">117</span> char ch =
text.charAt(offset);<a name="line.117"></a>
+<span class="sourceLineNo">118</span><a name="line.118"></a>
+<span class="sourceLineNo">119</span> // is this a whitespace
character?<a name="line.119"></a>
+<span class="sourceLineNo">120</span> if
(LINEAR_WHITESPACE.indexOf(ch) != -1) { // whitespace found<a
name="line.120"></a>
+<span class="sourceLineNo">121</span> startWhiteSpace =
offset;<a name="line.121"></a>
+<span class="sourceLineNo">122</span> while (offset <
endOffset) {<a name="line.122"></a>
+<span class="sourceLineNo">123</span> // step over the
white space characters.<a name="line.123"></a>
+<span class="sourceLineNo">124</span> ch =
text.charAt(offset);<a name="line.124"></a>
+<span class="sourceLineNo">125</span> if
(LINEAR_WHITESPACE.indexOf(ch) != -1) { // whitespace found<a
name="line.125"></a>
+<span class="sourceLineNo">126</span> offset++;<a
name="line.126"></a>
+<span class="sourceLineNo">127</span> } else {<a
name="line.127"></a>
+<span class="sourceLineNo">128</span> // record the
location of the first non lwsp and drop down to process the<a
name="line.128"></a>
+<span class="sourceLineNo">129</span> // token
characters.<a name="line.129"></a>
+<span class="sourceLineNo">130</span> endWhiteSpace =
offset;<a name="line.130"></a>
+<span class="sourceLineNo">131</span> break;<a
name="line.131"></a>
+<span class="sourceLineNo">132</span> }<a
name="line.132"></a>
+<span class="sourceLineNo">133</span> }<a name="line.133"></a>
+<span class="sourceLineNo">134</span> } else {<a
name="line.134"></a>
+<span class="sourceLineNo">135</span> // we have a word token.
We need to scan over the word and then try to parse it.<a name="line.135"></a>
+<span class="sourceLineNo">136</span> int wordStart = offset;<a
name="line.136"></a>
+<span class="sourceLineNo">137</span><a name="line.137"></a>
+<span class="sourceLineNo">138</span> while (offset <
endOffset) {<a name="line.138"></a>
+<span class="sourceLineNo">139</span> // step over the non
white space characters.<a name="line.139"></a>
+<span class="sourceLineNo">140</span> ch =
text.charAt(offset);<a name="line.140"></a>
+<span class="sourceLineNo">141</span> if
(LINEAR_WHITESPACE.indexOf(ch) == -1) { // not white space<a
name="line.141"></a>
+<span class="sourceLineNo">142</span> offset++;<a
name="line.142"></a>
+<span class="sourceLineNo">143</span> } else {<a
name="line.143"></a>
+<span class="sourceLineNo">144</span> break;<a
name="line.144"></a>
+<span class="sourceLineNo">145</span> }<a
name="line.145"></a>
+<span class="sourceLineNo">146</span><a name="line.146"></a>
+<span class="sourceLineNo">147</span> //NB: Trailing
whitespace on these header strings will just be discarded.<a
name="line.147"></a>
+<span class="sourceLineNo">148</span> }<a name="line.148"></a>
+<span class="sourceLineNo">149</span> // pull out the word
token.<a name="line.149"></a>
+<span class="sourceLineNo">150</span> String word =
text.substring(wordStart, offset);<a name="line.150"></a>
+<span class="sourceLineNo">151</span> // is the token encoded?
decode the word<a name="line.151"></a>
+<span class="sourceLineNo">152</span> if
(word.startsWith(ENCODED_TOKEN_MARKER)) {<a name="line.152"></a>
+<span class="sourceLineNo">153</span> try {<a
name="line.153"></a>
+<span class="sourceLineNo">154</span> // if this gives
a parsing failure, treat it like a non-encoded word.<a name="line.154"></a>
+<span class="sourceLineNo">155</span> String
decodedWord = decodeWord(word);<a name="line.155"></a>
+<span class="sourceLineNo">156</span><a name="line.156"></a>
+<span class="sourceLineNo">157</span> // are any
whitespace characters significant? Append 'em if we've got 'em.<a
name="line.157"></a>
+<span class="sourceLineNo">158</span> if
(!previousTokenEncoded && startWhiteSpace != -1) {<a
name="line.158"></a>
+<span class="sourceLineNo">159</span>
decodedText.append(text.substring(startWhiteSpace, endWhiteSpace));<a
name="line.159"></a>
+<span class="sourceLineNo">160</span>
startWhiteSpace = -1;<a name="line.160"></a>
+<span class="sourceLineNo">161</span> }<a
name="line.161"></a>
+<span class="sourceLineNo">162</span> // this is
definitely a decoded token.<a name="line.162"></a>
+<span class="sourceLineNo">163</span>
previousTokenEncoded = true;<a name="line.163"></a>
+<span class="sourceLineNo">164</span> // and add this
to the text.<a name="line.164"></a>
+<span class="sourceLineNo">165</span>
decodedText.append(decodedWord);<a name="line.165"></a>
+<span class="sourceLineNo">166</span> // we continue
parsing from here...we allow parsing errors to fall through<a
name="line.166"></a>
+<span class="sourceLineNo">167</span> // and get
handled as normal text.<a name="line.167"></a>
+<span class="sourceLineNo">168</span> continue;<a
name="line.168"></a>
+<span class="sourceLineNo">169</span><a name="line.169"></a>
+<span class="sourceLineNo">170</span> } catch
(ParseException e) {<a name="line.170"></a>
+<span class="sourceLineNo">171</span> // just ignore
it, skip to next word<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> // this is a normal
token, so it doesn't matter what the previous token was. Add the white space<a
name="line.174"></a>
+<span class="sourceLineNo">175</span> // if we have it.<a
name="line.175"></a>
+<span class="sourceLineNo">176</span> if (startWhiteSpace !=
-1) {<a name="line.176"></a>
+<span class="sourceLineNo">177</span>
decodedText.append(text.substring(startWhiteSpace, endWhiteSpace));<a
name="line.177"></a>
+<span class="sourceLineNo">178</span> startWhiteSpace =
-1;<a name="line.178"></a>
+<span class="sourceLineNo">179</span> }<a name="line.179"></a>
+<span class="sourceLineNo">180</span> // this is not a decoded
token.<a name="line.180"></a>
+<span class="sourceLineNo">181</span> previousTokenEncoded =
false;<a name="line.181"></a>
+<span class="sourceLineNo">182</span>
decodedText.append(word);<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 name="line.185"></a>
+<span class="sourceLineNo">186</span> return decodedText.toString();<a
name="line.186"></a>
+<span class="sourceLineNo">187</span> }<a name="line.187"></a>
+<span class="sourceLineNo">188</span><a name="line.188"></a>
+<span class="sourceLineNo">189</span> /**<a name="line.189"></a>
+<span class="sourceLineNo">190</span> * Parse a string using the RFC 2047
rules for an "encoded-word"<a name="line.190"></a>
+<span class="sourceLineNo">191</span> * type. This encoding has the
syntax:<a name="line.191"></a>
+<span class="sourceLineNo">192</span> *<a name="line.192"></a>
+<span class="sourceLineNo">193</span> * encoded-word = "=?" charset "?"
encoding "?" encoded-text "?="<a name="line.193"></a>
+<span class="sourceLineNo">194</span> *<a name="line.194"></a>
+<span class="sourceLineNo">195</span> * @param word The possibly encoded
word value.<a name="line.195"></a>
+<span class="sourceLineNo">196</span> *<a name="line.196"></a>
+<span class="sourceLineNo">197</span> * @return The decoded word.<a
name="line.197"></a>
+<span class="sourceLineNo">198</span> * @throws ParseException<a
name="line.198"></a>
+<span class="sourceLineNo">199</span> * @throws
UnsupportedEncodingException<a name="line.199"></a>
+<span class="sourceLineNo">200</span> */<a name="line.200"></a>
+<span class="sourceLineNo">201</span> private static String
decodeWord(String word) throws ParseException, UnsupportedEncodingException {<a
name="line.201"></a>
+<span class="sourceLineNo">202</span> // encoded words start with the
characters "=?". If this not an encoded word, we throw a<a name="line.202"></a>
+<span class="sourceLineNo">203</span> // ParseException for the
caller.<a name="line.203"></a>
+<span class="sourceLineNo">204</span><a name="line.204"></a>
+<span class="sourceLineNo">205</span> if
(!word.startsWith(ENCODED_TOKEN_MARKER)) {<a name="line.205"></a>
+<span class="sourceLineNo">206</span> throw new
ParseException("Invalid RFC 2047 encoded-word: " + word);<a name="line.206"></a>
+<span class="sourceLineNo">207</span> }<a name="line.207"></a>
+<span class="sourceLineNo">208</span><a name="line.208"></a>
+<span class="sourceLineNo">209</span> int charsetPos =
word.indexOf('?', 2);<a name="line.209"></a>
+<span class="sourceLineNo">210</span> if (charsetPos == -1) {<a
name="line.210"></a>
+<span class="sourceLineNo">211</span> throw new
ParseException("Missing charset in RFC 2047 encoded-word: " + word);<a
name="line.211"></a>
+<span class="sourceLineNo">212</span> }<a name="line.212"></a>
+<span class="sourceLineNo">213</span><a name="line.213"></a>
+<span class="sourceLineNo">214</span> // pull out the character set
information (this is the MIME name at this point).<a name="line.214"></a>
+<span class="sourceLineNo">215</span> String charset =
word.substring(2, charsetPos).toLowerCase();<a name="line.215"></a>
+<span class="sourceLineNo">216</span><a name="line.216"></a>
+<span class="sourceLineNo">217</span> // now pull out the encoding
token the same way.<a name="line.217"></a>
+<span class="sourceLineNo">218</span> int encodingPos =
word.indexOf('?', charsetPos + 1);<a name="line.218"></a>
+<span class="sourceLineNo">219</span> if (encodingPos == -1) {<a
name="line.219"></a>
+<span class="sourceLineNo">220</span> throw new
ParseException("Missing encoding in RFC 2047 encoded-word: " + word);<a
name="line.220"></a>
+<span class="sourceLineNo">221</span> }<a name="line.221"></a>
+<span class="sourceLineNo">222</span><a name="line.222"></a>
+<span class="sourceLineNo">223</span> String encoding =
word.substring(charsetPos + 1, encodingPos);<a name="line.223"></a>
+<span class="sourceLineNo">224</span><a name="line.224"></a>
+<span class="sourceLineNo">225</span> // and finally the encoded
text.<a name="line.225"></a>
+<span class="sourceLineNo">226</span> int encodedTextPos =
word.indexOf(ENCODED_TOKEN_FINISHER, encodingPos + 1);<a name="line.226"></a>
+<span class="sourceLineNo">227</span> if (encodedTextPos == -1) {<a
name="line.227"></a>
+<span class="sourceLineNo">228</span> throw new
ParseException("Missing encoded text in RFC 2047 encoded-word: " + word);<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> String encodedText =
word.substring(encodingPos + 1, encodedTextPos);<a name="line.231"></a>
+<span class="sourceLineNo">232</span><a name="line.232"></a>
+<span class="sourceLineNo">233</span> // seems a bit silly to encode a
null string, but easy to deal with.<a name="line.233"></a>
+<span class="sourceLineNo">234</span> if (encodedText.length() == 0)
{<a name="line.234"></a>
+<span class="sourceLineNo">235</span> return "";<a
name="line.235"></a>
+<span class="sourceLineNo">236</span> }<a name="line.236"></a>
+<span class="sourceLineNo">237</span><a name="line.237"></a>
+<span class="sourceLineNo">238</span> try {<a name="line.238"></a>
+<span class="sourceLineNo">239</span> // the decoder writes
directly to an output stream.<a name="line.239"></a>
+<span class="sourceLineNo">240</span> ByteArrayOutputStream out =
new ByteArrayOutputStream(encodedText.length());<a name="line.240"></a>
+<span class="sourceLineNo">241</span><a name="line.241"></a>
+<span class="sourceLineNo">242</span> byte[] encodedData =
encodedText.getBytes(US_ASCII_CHARSET);<a name="line.242"></a>
+<span class="sourceLineNo">243</span><a name="line.243"></a>
+<span class="sourceLineNo">244</span> // Base64 encoded?<a
name="line.244"></a>
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(encoding.equals(BASE64_ENCODING_MARKER)) {<a name="line.245"></a>
+<span class="sourceLineNo">246</span>
Base64Decoder.decode(encodedData, out);<a name="line.246"></a>
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(encoding.equals(QUOTEDPRINTABLE_ENCODING_MARKER)) { // maybe quoted
printable.<a name="line.247"></a>
+<span class="sourceLineNo">248</span>
QuotedPrintableDecoder.decode(encodedData, out);<a name="line.248"></a>
+<span class="sourceLineNo">249</span> } else {<a
name="line.249"></a>
+<span class="sourceLineNo">250</span> throw new
UnsupportedEncodingException("Unknown RFC 2047 encoding: " + encoding);<a
name="line.250"></a>
+<span class="sourceLineNo">251</span> }<a name="line.251"></a>
+<span class="sourceLineNo">252</span> // get the decoded byte data
and convert into a string.<a name="line.252"></a>
+<span class="sourceLineNo">253</span> byte[] decodedData =
out.toByteArray();<a name="line.253"></a>
+<span class="sourceLineNo">254</span> return new
String(decodedData, javaCharset(charset));<a name="line.254"></a>
+<span class="sourceLineNo">255</span> } catch (IOException e) {<a
name="line.255"></a>
+<span class="sourceLineNo">256</span> throw new
UnsupportedEncodingException("Invalid RFC 2047 encoding");<a
name="line.256"></a>
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+<span class="sourceLineNo">258</span> }<a name="line.258"></a>
+<span class="sourceLineNo">259</span><a name="line.259"></a>
+<span class="sourceLineNo">260</span> /**<a name="line.260"></a>
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character set name into the Java<a name="line.261"></a>
+<span class="sourceLineNo">262</span> * equivalent.<a name="line.262"></a>
+<span class="sourceLineNo">263</span> *<a name="line.263"></a>
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name.<a name="line.264"></a>
+<span class="sourceLineNo">265</span> *<a name="line.265"></a>
+<span class="sourceLineNo">266</span> * @return The Java equivalent for
this name.<a name="line.266"></a>
+<span class="sourceLineNo">267</span> */<a name="line.267"></a>
+<span class="sourceLineNo">268</span> private static String
javaCharset(String charset) {<a name="line.268"></a>
+<span class="sourceLineNo">269</span> // nothing in, nothing out.<a
name="line.269"></a>
+<span class="sourceLineNo">270</span> if (charset == null) {<a
name="line.270"></a>
+<span class="sourceLineNo">271</span> return null;<a
name="line.271"></a>
+<span class="sourceLineNo">272</span> }<a name="line.272"></a>
+<span class="sourceLineNo">273</span><a name="line.273"></a>
+<span class="sourceLineNo">274</span> String mappedCharset =
MIME2JAVA.get(charset.toLowerCase(Locale.ENGLISH));<a name="line.274"></a>
+<span class="sourceLineNo">275</span> // if there is no mapping, then
the original name is used. Many of the MIME character set<a
name="line.275"></a>
+<span class="sourceLineNo">276</span> // names map directly back into
Java. The reverse isn't necessarily true.<a name="line.276"></a>
+<span class="sourceLineNo">277</span> if (mappedCharset == null) {<a
name="line.277"></a>
+<span class="sourceLineNo">278</span> return charset;<a
name="line.278"></a>
+<span class="sourceLineNo">279</span> }<a name="line.279"></a>
+<span class="sourceLineNo">280</span> return mappedCharset;<a
name="line.280"></a>
+<span class="sourceLineNo">281</span> }<a name="line.281"></a>
+<span class="sourceLineNo">282</span><a name="line.282"></a>
+<span class="sourceLineNo">283</span>}<a name="line.283"></a>
+
+
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+</pre>
+</div>
+</body>
+</html>
Added:
websites/production/commons/content/proper/commons-fileupload/javadocs/api-release/stylesheet.css
==============================================================================
---
websites/production/commons/content/proper/commons-fileupload/javadocs/api-release/stylesheet.css
(added)
+++
websites/production/commons/content/proper/commons-fileupload/javadocs/api-release/stylesheet.css
Tue Jun 13 12:48:38 2017
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