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 Tue Jun 13 12:48:38 2017 @@ -0,0 +1,1104 @@ +<!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> * @version $Id$<a name="line.84"></a> +<span class="sourceLineNo">085</span> */<a name="line.85"></a> +<span class="sourceLineNo">086</span>public class MultipartStream {<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> * Internal class, which is used to invoke the<a name="line.89"></a> +<span class="sourceLineNo">090</span> * {@link ProgressListener}.<a name="line.90"></a> +<span class="sourceLineNo">091</span> */<a name="line.91"></a> +<span class="sourceLineNo">092</span> public static class ProgressNotifier {<a name="line.92"></a> +<span class="sourceLineNo">093</span><a name="line.93"></a> +<span class="sourceLineNo">094</span> /**<a name="line.94"></a> +<span class="sourceLineNo">095</span> * The listener to invoke.<a name="line.95"></a> +<span class="sourceLineNo">096</span> */<a name="line.96"></a> +<span class="sourceLineNo">097</span> private final ProgressListener listener;<a name="line.97"></a> +<span class="sourceLineNo">098</span><a name="line.98"></a> +<span class="sourceLineNo">099</span> /**<a name="line.99"></a> +<span class="sourceLineNo">100</span> * Number of expected bytes, if known, or -1.<a name="line.100"></a> +<span class="sourceLineNo">101</span> */<a name="line.101"></a> +<span class="sourceLineNo">102</span> private final long contentLength;<a name="line.102"></a> +<span class="sourceLineNo">103</span><a name="line.103"></a> +<span class="sourceLineNo">104</span> /**<a name="line.104"></a> +<span class="sourceLineNo">105</span> * Number of bytes, which have been read so far.<a name="line.105"></a> +<span class="sourceLineNo">106</span> */<a name="line.106"></a> +<span class="sourceLineNo">107</span> private long bytesRead;<a name="line.107"></a> +<span class="sourceLineNo">108</span><a name="line.108"></a> +<span class="sourceLineNo">109</span> /**<a name="line.109"></a> +<span class="sourceLineNo">110</span> * Number of items, which have been read so far.<a name="line.110"></a> +<span class="sourceLineNo">111</span> */<a name="line.111"></a> +<span class="sourceLineNo">112</span> private int items;<a name="line.112"></a> +<span class="sourceLineNo">113</span><a name="line.113"></a> +<span class="sourceLineNo">114</span> /**<a name="line.114"></a> +<span class="sourceLineNo">115</span> * Creates a new instance with the given listener<a name="line.115"></a> +<span class="sourceLineNo">116</span> * and content length.<a name="line.116"></a> +<span class="sourceLineNo">117</span> *<a name="line.117"></a> +<span class="sourceLineNo">118</span> * @param pListener The listener to invoke.<a name="line.118"></a> +<span class="sourceLineNo">119</span> * @param pContentLength The expected content length.<a name="line.119"></a> +<span class="sourceLineNo">120</span> */<a name="line.120"></a> +<span class="sourceLineNo">121</span> ProgressNotifier(ProgressListener pListener, long pContentLength) {<a name="line.121"></a> +<span class="sourceLineNo">122</span> listener = pListener;<a name="line.122"></a> +<span class="sourceLineNo">123</span> contentLength = pContentLength;<a name="line.123"></a> +<span class="sourceLineNo">124</span> }<a name="line.124"></a> +<span class="sourceLineNo">125</span><a name="line.125"></a> +<span class="sourceLineNo">126</span> /**<a name="line.126"></a> +<span class="sourceLineNo">127</span> * Called to indicate that bytes have been read.<a name="line.127"></a> +<span class="sourceLineNo">128</span> *<a name="line.128"></a> +<span class="sourceLineNo">129</span> * @param pBytes Number of bytes, which have been read.<a name="line.129"></a> +<span class="sourceLineNo">130</span> */<a name="line.130"></a> +<span class="sourceLineNo">131</span> void noteBytesRead(int pBytes) {<a name="line.131"></a> +<span class="sourceLineNo">132</span> /* Indicates, that the given number of bytes have been read from<a name="line.132"></a> +<span class="sourceLineNo">133</span> * the input stream.<a name="line.133"></a> +<span class="sourceLineNo">134</span> */<a name="line.134"></a> +<span class="sourceLineNo">135</span> bytesRead += pBytes;<a name="line.135"></a> +<span class="sourceLineNo">136</span> notifyListener();<a name="line.136"></a> +<span class="sourceLineNo">137</span> }<a name="line.137"></a> +<span class="sourceLineNo">138</span><a name="line.138"></a> +<span class="sourceLineNo">139</span> /**<a name="line.139"></a> +<span class="sourceLineNo">140</span> * Called to indicate, that a new file item has been detected.<a name="line.140"></a> +<span class="sourceLineNo">141</span> */<a name="line.141"></a> +<span class="sourceLineNo">142</span> void noteItem() {<a name="line.142"></a> +<span class="sourceLineNo">143</span> ++items;<a name="line.143"></a> +<span class="sourceLineNo">144</span> notifyListener();<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> /**<a name="line.147"></a> +<span class="sourceLineNo">148</span> * Called for notifying the listener.<a name="line.148"></a> +<span class="sourceLineNo">149</span> */<a name="line.149"></a> +<span class="sourceLineNo">150</span> private void notifyListener() {<a name="line.150"></a> +<span class="sourceLineNo">151</span> if (listener != null) {<a name="line.151"></a> +<span class="sourceLineNo">152</span> listener.update(bytesRead, contentLength, items);<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> }<a name="line.156"></a> +<span class="sourceLineNo">157</span><a name="line.157"></a> +<span class="sourceLineNo">158</span> // ----------------------------------------------------- Manifest constants<a name="line.158"></a> +<span class="sourceLineNo">159</span><a name="line.159"></a> +<span class="sourceLineNo">160</span> /**<a name="line.160"></a> +<span class="sourceLineNo">161</span> * The Carriage Return ASCII character value.<a name="line.161"></a> +<span class="sourceLineNo">162</span> */<a name="line.162"></a> +<span class="sourceLineNo">163</span> public static final byte CR = 0x0D;<a name="line.163"></a> +<span class="sourceLineNo">164</span><a name="line.164"></a> +<span class="sourceLineNo">165</span> /**<a name="line.165"></a> +<span class="sourceLineNo">166</span> * The Line Feed ASCII character value.<a name="line.166"></a> +<span class="sourceLineNo">167</span> */<a name="line.167"></a> +<span class="sourceLineNo">168</span> public static final byte LF = 0x0A;<a name="line.168"></a> +<span class="sourceLineNo">169</span><a name="line.169"></a> +<span class="sourceLineNo">170</span> /**<a name="line.170"></a> +<span class="sourceLineNo">171</span> * The dash (-) ASCII character value.<a name="line.171"></a> +<span class="sourceLineNo">172</span> */<a name="line.172"></a> +<span class="sourceLineNo">173</span> public static final byte DASH = 0x2D;<a name="line.173"></a> +<span class="sourceLineNo">174</span><a name="line.174"></a> +<span class="sourceLineNo">175</span> /**<a name="line.175"></a> +<span class="sourceLineNo">176</span> * The maximum length of <code>header-part</code> that will be<a name="line.176"></a> +<span class="sourceLineNo">177</span> * processed (10 kilobytes = 10240 bytes.).<a name="line.177"></a> +<span class="sourceLineNo">178</span> */<a name="line.178"></a> +<span class="sourceLineNo">179</span> public static final int HEADER_PART_SIZE_MAX = 10240;<a name="line.179"></a> +<span class="sourceLineNo">180</span><a name="line.180"></a> +<span class="sourceLineNo">181</span> /**<a name="line.181"></a> +<span class="sourceLineNo">182</span> * The default length of the buffer used for processing a request.<a name="line.182"></a> +<span class="sourceLineNo">183</span> */<a name="line.183"></a> +<span class="sourceLineNo">184</span> protected static final int DEFAULT_BUFSIZE = 4096;<a name="line.184"></a> +<span class="sourceLineNo">185</span><a name="line.185"></a> +<span class="sourceLineNo">186</span> /**<a name="line.186"></a> +<span class="sourceLineNo">187</span> * A byte sequence that marks the end of <code>header-part</code><a name="line.187"></a> +<span class="sourceLineNo">188</span> * (<code>CRLFCRLF</code>).<a name="line.188"></a> +<span class="sourceLineNo">189</span> */<a name="line.189"></a> +<span class="sourceLineNo">190</span> protected static final byte[] HEADER_SEPARATOR = {CR, LF, CR, LF};<a name="line.190"></a> +<span class="sourceLineNo">191</span><a name="line.191"></a> +<span class="sourceLineNo">192</span> /**<a name="line.192"></a> +<span class="sourceLineNo">193</span> * A byte sequence that that follows a delimiter that will be<a name="line.193"></a> +<span class="sourceLineNo">194</span> * followed by an encapsulation (<code>CRLF</code>).<a name="line.194"></a> +<span class="sourceLineNo">195</span> */<a name="line.195"></a> +<span class="sourceLineNo">196</span> protected static final byte[] FIELD_SEPARATOR = {CR, LF};<a name="line.196"></a> +<span class="sourceLineNo">197</span><a name="line.197"></a> +<span class="sourceLineNo">198</span> /**<a name="line.198"></a> +<span class="sourceLineNo">199</span> * A byte sequence that that follows a delimiter of the last<a name="line.199"></a> +<span class="sourceLineNo">200</span> * encapsulation in the stream (<code>--</code>).<a name="line.200"></a> +<span class="sourceLineNo">201</span> */<a name="line.201"></a> +<span class="sourceLineNo">202</span> protected static final byte[] STREAM_TERMINATOR = {DASH, DASH};<a name="line.202"></a> +<span class="sourceLineNo">203</span><a name="line.203"></a> +<span class="sourceLineNo">204</span> /**<a name="line.204"></a> +<span class="sourceLineNo">205</span> * A byte sequence that precedes a boundary (<code>CRLF--</code>).<a name="line.205"></a> +<span class="sourceLineNo">206</span> */<a name="line.206"></a> +<span class="sourceLineNo">207</span> protected static final byte[] BOUNDARY_PREFIX = {CR, LF, DASH, DASH};<a name="line.207"></a> +<span class="sourceLineNo">208</span><a name="line.208"></a> +<span class="sourceLineNo">209</span> // ----------------------------------------------------------- Data members<a name="line.209"></a> +<span class="sourceLineNo">210</span><a name="line.210"></a> +<span class="sourceLineNo">211</span> /**<a name="line.211"></a> +<span class="sourceLineNo">212</span> * The input stream from which data is read.<a name="line.212"></a> +<span class="sourceLineNo">213</span> */<a name="line.213"></a> +<span class="sourceLineNo">214</span> private final InputStream input;<a name="line.214"></a> +<span class="sourceLineNo">215</span><a name="line.215"></a> +<span class="sourceLineNo">216</span> /**<a name="line.216"></a> +<span class="sourceLineNo">217</span> * The length of the boundary token plus the leading <code>CRLF--</code>.<a name="line.217"></a> +<span class="sourceLineNo">218</span> */<a name="line.218"></a> +<span class="sourceLineNo">219</span> private int boundaryLength;<a name="line.219"></a> +<span class="sourceLineNo">220</span><a name="line.220"></a> +<span class="sourceLineNo">221</span> /**<a name="line.221"></a> +<span class="sourceLineNo">222</span> * The amount of data, in bytes, that must be kept in the buffer in order<a name="line.222"></a> +<span class="sourceLineNo">223</span> * to detect delimiters reliably.<a name="line.223"></a> +<span class="sourceLineNo">224</span> */<a name="line.224"></a> +<span class="sourceLineNo">225</span> private int keepRegion;<a name="line.225"></a> +<span class="sourceLineNo">226</span><a name="line.226"></a> +<span class="sourceLineNo">227</span> /**<a name="line.227"></a> +<span class="sourceLineNo">228</span> * The byte sequence that partitions the stream.<a name="line.228"></a> +<span class="sourceLineNo">229</span> */<a name="line.229"></a> +<span class="sourceLineNo">230</span> private byte[] boundary;<a name="line.230"></a> +<span class="sourceLineNo">231</span><a name="line.231"></a> +<span class="sourceLineNo">232</span> /**<a name="line.232"></a> +<span class="sourceLineNo">233</span> * The length of the buffer used for processing the request.<a name="line.233"></a> +<span class="sourceLineNo">234</span> */<a name="line.234"></a> +<span class="sourceLineNo">235</span> private final int bufSize;<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> * The buffer used for processing the request.<a name="line.238"></a> +<span class="sourceLineNo">239</span> */<a name="line.239"></a> +<span class="sourceLineNo">240</span> private final byte[] buffer;<a name="line.240"></a> +<span class="sourceLineNo">241</span><a name="line.241"></a> +<span class="sourceLineNo">242</span> /**<a name="line.242"></a> +<span class="sourceLineNo">243</span> * The index of first valid character in the buffer.<a name="line.243"></a> +<span class="sourceLineNo">244</span> * <br><a name="line.244"></a> +<span class="sourceLineNo">245</span> * 0 <= head < bufSize<a name="line.245"></a> +<span class="sourceLineNo">246</span> */<a name="line.246"></a> +<span class="sourceLineNo">247</span> private int head;<a name="line.247"></a> +<span class="sourceLineNo">248</span><a name="line.248"></a> +<span class="sourceLineNo">249</span> /**<a name="line.249"></a> +<span class="sourceLineNo">250</span> * The index of last valid character in the buffer + 1.<a name="line.250"></a> +<span class="sourceLineNo">251</span> * <br><a name="line.251"></a> +<span class="sourceLineNo">252</span> * 0 <= tail <= bufSize<a name="line.252"></a> +<span class="sourceLineNo">253</span> */<a name="line.253"></a> +<span class="sourceLineNo">254</span> private int tail;<a name="line.254"></a> +<span class="sourceLineNo">255</span><a name="line.255"></a> +<span class="sourceLineNo">256</span> /**<a name="line.256"></a> +<span class="sourceLineNo">257</span> * The content encoding to use when reading headers.<a name="line.257"></a> +<span class="sourceLineNo">258</span> */<a name="line.258"></a> +<span class="sourceLineNo">259</span> private String headerEncoding;<a name="line.259"></a> +<span class="sourceLineNo">260</span><a name="line.260"></a> +<span class="sourceLineNo">261</span> /**<a name="line.261"></a> +<span class="sourceLineNo">262</span> * The progress notifier, if any, or null.<a name="line.262"></a> +<span class="sourceLineNo">263</span> */<a name="line.263"></a> +<span class="sourceLineNo">264</span> private final ProgressNotifier notifier;<a name="line.264"></a> +<span class="sourceLineNo">265</span><a name="line.265"></a> +<span class="sourceLineNo">266</span> // ----------------------------------------------------------- Constructors<a name="line.266"></a> +<span class="sourceLineNo">267</span><a name="line.267"></a> +<span class="sourceLineNo">268</span> /**<a name="line.268"></a> +<span class="sourceLineNo">269</span> * Creates a new instance.<a name="line.269"></a> +<span class="sourceLineNo">270</span> *<a name="line.270"></a> +<span class="sourceLineNo">271</span> * @deprecated 1.2.1 Use {@link #MultipartStream(InputStream, byte[], int,<a name="line.271"></a> +<span class="sourceLineNo">272</span> * ProgressNotifier)}<a name="line.272"></a> +<span class="sourceLineNo">273</span> */<a name="line.273"></a> +<span class="sourceLineNo">274</span> @Deprecated<a name="line.274"></a> +<span class="sourceLineNo">275</span> public MultipartStream() {<a name="line.275"></a> +<span class="sourceLineNo">276</span> this(null, null, null);<a name="line.276"></a> +<span class="sourceLineNo">277</span> }<a name="line.277"></a> +<span class="sourceLineNo">278</span><a name="line.278"></a> +<span class="sourceLineNo">279</span> /**<a name="line.279"></a> +<span class="sourceLineNo">280</span> * <p> Constructs a <code>MultipartStream</code> with a custom size buffer<a name="line.280"></a> +<span class="sourceLineNo">281</span> * and no progress notifier.<a name="line.281"></a> +<span class="sourceLineNo">282</span> *<a name="line.282"></a> +<span class="sourceLineNo">283</span> * <p> Note that the buffer must be at least big enough to contain the<a name="line.283"></a> +<span class="sourceLineNo">284</span> * boundary string, plus 4 characters for CR/LF and double dash, plus at<a name="line.284"></a> +<span class="sourceLineNo">285</span> * least one byte of data. Too small a buffer size setting will degrade<a name="line.285"></a> +<span class="sourceLineNo">286</span> * performance.<a name="line.286"></a> +<span class="sourceLineNo">287</span> *<a name="line.287"></a> +<span class="sourceLineNo">288</span> * @param input The <code>InputStream</code> to serve as a data source.<a name="line.288"></a> +<span class="sourceLineNo">289</span> * @param boundary The token used for dividing the stream into<a name="line.289"></a> +<span class="sourceLineNo">290</span> * <code>encapsulations</code>.<a name="line.290"></a> +<span class="sourceLineNo">291</span> * @param bufSize The size of the buffer to be used, in bytes.<a name="line.291"></a> +<span class="sourceLineNo">292</span> *<a name="line.292"></a> +<span class="sourceLineNo">293</span> * @deprecated 1.2.1 Use {@link #MultipartStream(InputStream, byte[], int,<a name="line.293"></a> +<span class="sourceLineNo">294</span> * ProgressNotifier)}.<a name="line.294"></a> +<span class="sourceLineNo">295</span> */<a name="line.295"></a> +<span class="sourceLineNo">296</span> @Deprecated<a name="line.296"></a> +<span class="sourceLineNo">297</span> public MultipartStream(InputStream input, byte[] boundary, int bufSize) {<a name="line.297"></a> +<span class="sourceLineNo">298</span> this(input, boundary, bufSize, null);<a name="line.298"></a> +<span class="sourceLineNo">299</span> }<a name="line.299"></a> +<span class="sourceLineNo">300</span><a name="line.300"></a> +<span class="sourceLineNo">301</span> /**<a name="line.301"></a> +<span class="sourceLineNo">302</span> * <p> Constructs a <code>MultipartStream</code> with a custom size buffer.<a name="line.302"></a> +<span class="sourceLineNo">303</span> *<a name="line.303"></a> +<span class="sourceLineNo">304</span> * <p> Note that the buffer must be at least big enough to contain the<a name="line.304"></a> +<span class="sourceLineNo">305</span> * boundary string, plus 4 characters for CR/LF and double dash, plus at<a name="line.305"></a> +<span class="sourceLineNo">306</span> * least one byte of data. Too small a buffer size setting will degrade<a name="line.306"></a> +<span class="sourceLineNo">307</span> * performance.<a name="line.307"></a> +<span class="sourceLineNo">308</span> *<a name="line.308"></a> +<span class="sourceLineNo">309</span> * @param input The <code>InputStream</code> to serve as a data source.<a name="line.309"></a> +<span class="sourceLineNo">310</span> * @param boundary The token used for dividing the stream into<a name="line.310"></a> +<span class="sourceLineNo">311</span> * <code>encapsulations</code>.<a name="line.311"></a> +<span class="sourceLineNo">312</span> * @param bufSize The size of the buffer to be used, in bytes.<a name="line.312"></a> +<span class="sourceLineNo">313</span> * @param pNotifier The notifier, which is used for calling the<a name="line.313"></a> +<span class="sourceLineNo">314</span> * progress listener, if any.<a name="line.314"></a> +<span class="sourceLineNo">315</span> *<a name="line.315"></a> +<span class="sourceLineNo">316</span> * @throws IllegalArgumentException If the buffer size is too small<a name="line.316"></a> +<span class="sourceLineNo">317</span> *<a name="line.317"></a> +<span class="sourceLineNo">318</span> * @since 1.3.1<a name="line.318"></a> +<span class="sourceLineNo">319</span> */<a name="line.319"></a> +<span class="sourceLineNo">320</span> public MultipartStream(InputStream input,<a name="line.320"></a> +<span class="sourceLineNo">321</span> byte[] boundary,<a name="line.321"></a> +<span class="sourceLineNo">322</span> int bufSize,<a name="line.322"></a> +<span class="sourceLineNo">323</span> ProgressNotifier pNotifier) {<a name="line.323"></a> +<span class="sourceLineNo">324</span><a name="line.324"></a> +<span class="sourceLineNo">325</span> if (boundary == null) {<a name="line.325"></a> +<span class="sourceLineNo">326</span> throw new IllegalArgumentException("boundary may not be null");<a name="line.326"></a> +<span class="sourceLineNo">327</span> }<a name="line.327"></a> +<span class="sourceLineNo">328</span> // We prepend CR/LF to the boundary to chop trailing CR/LF from<a name="line.328"></a> +<span class="sourceLineNo">329</span> // body-data tokens.<a name="line.329"></a> +<span class="sourceLineNo">330</span> this.boundaryLength = boundary.length + BOUNDARY_PREFIX.length;<a name="line.330"></a> +<span class="sourceLineNo">331</span> if (bufSize < this.boundaryLength + 1) {<a name="line.331"></a> +<span class="sourceLineNo">332</span> throw new IllegalArgumentException(<a name="line.332"></a> +<span class="sourceLineNo">333</span> "The buffer size specified for the MultipartStream is too small");<a name="line.333"></a> +<span class="sourceLineNo">334</span> }<a name="line.334"></a> +<span class="sourceLineNo">335</span><a name="line.335"></a> +<span class="sourceLineNo">336</span> this.input = input;<a name="line.336"></a> +<span class="sourceLineNo">337</span> this.bufSize = Math.max(bufSize, boundaryLength * 2);<a name="line.337"></a> +<span class="sourceLineNo">338</span> this.buffer = new byte[this.bufSize];<a name="line.338"></a> +<span class="sourceLineNo">339</span> this.notifier = pNotifier;<a name="line.339"></a> +<span class="sourceLineNo">340</span><a name="line.340"></a> +<span class="sourceLineNo">341</span> this.boundary = new byte[this.boundaryLength];<a name="line.341"></a> +<span class="sourceLineNo">342</span> this.keepRegion = this.boundary.length;<a name="line.342"></a> +<span class="sourceLineNo">343</span><a name="line.343"></a> +<span class="sourceLineNo">344</span> System.arraycopy(BOUNDARY_PREFIX, 0, this.boundary, 0,<a name="line.344"></a> +<span class="sourceLineNo">345</span> BOUNDARY_PREFIX.length);<a name="line.345"></a> +<span class="sourceLineNo">346</span> System.arraycopy(boundary, 0, this.boundary, BOUNDARY_PREFIX.length,<a name="line.346"></a> +<span class="sourceLineNo">347</span> boundary.length);<a name="line.347"></a> +<span class="sourceLineNo">348</span><a name="line.348"></a> +<span class="sourceLineNo">349</span> head = 0;<a name="line.349"></a> +<span class="sourceLineNo">350</span> tail = 0;<a name="line.350"></a> +<span class="sourceLineNo">351</span> }<a name="line.351"></a> +<span class="sourceLineNo">352</span><a name="line.352"></a> +<span class="sourceLineNo">353</span> /**<a name="line.353"></a> +<span class="sourceLineNo">354</span> * <p> Constructs a <code>MultipartStream</code> with a default size buffer.<a name="line.354"></a> +<span class="sourceLineNo">355</span> *<a name="line.355"></a> +<span class="sourceLineNo">356</span> * @param input The <code>InputStream</code> to serve as a data source.<a name="line.356"></a> +<span class="sourceLineNo">357</span> * @param boundary The token used for dividing the stream into<a name="line.357"></a> +<span class="sourceLineNo">358</span> * <code>encapsulations</code>.<a name="line.358"></a> +<span class="sourceLineNo">359</span> * @param pNotifier An object for calling the progress listener, if any.<a name="line.359"></a> +<span class="sourceLineNo">360</span> *<a name="line.360"></a> +<span class="sourceLineNo">361</span> *<a name="line.361"></a> +<span class="sourceLineNo">362</span> * @see #MultipartStream(InputStream, byte[], int, ProgressNotifier)<a name="line.362"></a> +<span class="sourceLineNo">363</span> */<a name="line.363"></a> +<span class="sourceLineNo">364</span> MultipartStream(InputStream input,<a name="line.364"></a> +<span class="sourceLineNo">365</span> byte[] boundary,<a name="line.365"></a> +<span class="sourceLineNo">366</span> ProgressNotifier pNotifier) {<a name="line.366"></a> +<span class="sourceLineNo">367</span> this(input, boundary, DEFAULT_BUFSIZE, pNotifier);<a name="line.367"></a> +<span class="sourceLineNo">368</span> }<a name="line.368"></a> +<span class="sourceLineNo">369</span><a name="line.369"></a> +<span class="sourceLineNo">370</span> /**<a name="line.370"></a> +<span class="sourceLineNo">371</span> * <p> Constructs a <code>MultipartStream</code> with a default size buffer.<a name="line.371"></a> +<span class="sourceLineNo">372</span> *<a name="line.372"></a> +<span class="sourceLineNo">373</span> * @param input The <code>InputStream</code> to serve as a data source.<a name="line.373"></a> +<span class="sourceLineNo">374</span> * @param boundary The token used for dividing the stream into<a name="line.374"></a> +<span class="sourceLineNo">375</span> * <code>encapsulations</code>.<a name="line.375"></a> +<span class="sourceLineNo">376</span> *<a name="line.376"></a> +<span class="sourceLineNo">377</span> * @deprecated 1.2.1 Use {@link #MultipartStream(InputStream, byte[], int,<a name="line.377"></a> +<span class="sourceLineNo">378</span> * ProgressNotifier)}.<a name="line.378"></a> +<span class="sourceLineNo">379</span> */<a name="line.379"></a> +<span class="sourceLineNo">380</span> @Deprecated<a name="line.380"></a> +<span class="sourceLineNo">381</span> public MultipartStream(InputStream input,<a name="line.381"></a> +<span class="sourceLineNo">382</span> byte[] boundary) {<a name="line.382"></a> +<span class="sourceLineNo">383</span> this(input, boundary, DEFAULT_BUFSIZE, null);<a name="line.383"></a> +<span class="sourceLineNo">384</span> }<a name="line.384"></a> +<span class="sourceLineNo">385</span><a name="line.385"></a> +<span class="sourceLineNo">386</span> // --------------------------------------------------------- Public methods<a name="line.386"></a> +<span class="sourceLineNo">387</span><a name="line.387"></a> +<span class="sourceLineNo">388</span> /**<a name="line.388"></a> +<span class="sourceLineNo">389</span> * Retrieves the character encoding used when reading the headers of an<a name="line.389"></a> +<span class="sourceLineNo">390</span> * individual part. When not specified, or <code>null</code>, the platform<a name="line.390"></a> +<span class="sourceLineNo">391</span> * default encoding is used.<a name="line.391"></a> +<span class="sourceLineNo">392</span> *<a name="line.392"></a> +<span class="sourceLineNo">393</span> * @return The encoding used to read part headers.<a name="line.393"></a> +<span class="sourceLineNo">394</span> */<a name="line.394"></a> +<span class="sourceLineNo">395</span> public String getHeaderEncoding() {<a name="line.395"></a> +<span class="sourceLineNo">396</span> return headerEncoding;<a name="line.396"></a> +<span class="sourceLineNo">397</span> }<a name="line.397"></a> +<span class="sourceLineNo">398</span><a name="line.398"></a> +<span class="sourceLineNo">399</span> /**<a name="line.399"></a> +<span class="sourceLineNo">400</span> * Specifies the character encoding to be used when reading the headers of<a name="line.400"></a> +<span class="sourceLineNo">401</span> * individual parts. When not specified, or <code>null</code>, the platform<a name="line.401"></a> +<span class="sourceLineNo">402</span> * default encoding is used.<a name="line.402"></a> +<span class="sourceLineNo">403</span> *<a name="line.403"></a> +<span class="sourceLineNo">404</span> * @param encoding The encoding used to read part headers.<a name="line.404"></a> +<span class="sourceLineNo">405</span> */<a name="line.405"></a> +<span class="sourceLineNo">406</span> public void setHeaderEncoding(String encoding) {<a name="line.406"></a> +<span class="sourceLineNo">407</span> headerEncoding = encoding;<a name="line.407"></a> +<span class="sourceLineNo">408</span> }<a name="line.408"></a> +<span class="sourceLineNo">409</span><a name="line.409"></a> +<span class="sourceLineNo">410</span> /**<a name="line.410"></a> +<span class="sourceLineNo">411</span> * Reads a byte from the <code>buffer</code>, and refills it as<a name="line.411"></a> +<span class="sourceLineNo">412</span> * necessary.<a name="line.412"></a> +<span class="sourceLineNo">413</span> *<a name="line.413"></a> +<span class="sourceLineNo">414</span> * @return The next byte from the input stream.<a name="line.414"></a> +<span class="sourceLineNo">415</span> *<a name="line.415"></a> +<span class="sourceLineNo">416</span> * @throws IOException if there is no more data available.<a name="line.416"></a> +<span class="sourceLineNo">417</span> */<a name="line.417"></a> +<span class="sourceLineNo">418</span> public byte readByte() throws IOException {<a name="line.418"></a> +<span class="sourceLineNo">419</span> // Buffer depleted ?<a name="line.419"></a> +<span class="sourceLineNo">420</span> if (head == tail) {<a name="line.420"></a> +<span class="sourceLineNo">421</span> head = 0;<a name="line.421"></a> +<span class="sourceLineNo">422</span> // Refill.<a name="line.422"></a> +<span class="sourceLineNo">423</span> tail = input.read(buffer, head, bufSize);<a name="line.423"></a> +<span class="sourceLineNo">424</span> if (tail == -1) {<a name="line.424"></a> +<span class="sourceLineNo">425</span> // No more data available.<a name="line.425"></a> +<span class="sourceLineNo">426</span> throw new IOException("No more data is available");<a name="line.426"></a> +<span class="sourceLineNo">427</span> }<a name="line.427"></a> +<span class="sourceLineNo">428</span> if (notifier != null) {<a name="line.428"></a> +<span class="sourceLineNo">429</span> notifier.noteBytesRead(tail);<a name="line.429"></a> +<span class="sourceLineNo">430</span> }<a name="line.430"></a> +<span class="sourceLineNo">431</span> }<a name="line.431"></a> +<span class="sourceLineNo">432</span> return buffer[head++];<a name="line.432"></a> +<span class="sourceLineNo">433</span> }<a name="line.433"></a> +<span class="sourceLineNo">434</span><a name="line.434"></a> +<span class="sourceLineNo">435</span> /**<a name="line.435"></a> +<span class="sourceLineNo">436</span> * Skips a <code>boundary</code> token, and checks whether more<a name="line.436"></a> +<span class="sourceLineNo">437</span> * <code>encapsulations</code> are contained in the stream.<a name="line.437"></a> +<span class="sourceLineNo">438</span> *<a name="line.438"></a> +<span class="sourceLineNo">439</span> * @return <code>true</code> if there are more encapsulations in<a name="line.439"></a> +<span class="sourceLineNo">440</span> * this stream; <code>false</code> otherwise.<a name="line.440"></a> +<span class="sourceLineNo">441</span> *<a name="line.441"></a> +<span class="sourceLineNo">442</span> * @throws FileUploadIOException if the bytes read from the stream exceeded the size limits<a name="line.442"></a> +<span class="sourceLineNo">443</span> * @throws MalformedStreamException if the stream ends unexpectedly or<a name="line.443"></a> +<span class="sourceLineNo">444</span> * fails to follow required syntax.<a name="line.444"></a> +<span class="sourceLineNo">445</span> */<a name="line.445"></a> +<span class="sourceLineNo">446</span> public boolean readBoundary()<a name="line.446"></a> +<span class="sourceLineNo">447</span> throws FileUploadIOException, MalformedStreamException {<a name="line.447"></a> +<span class="sourceLineNo">448</span> byte[] marker = new byte[2];<a name="line.448"></a> +<span class="sourceLineNo">449</span> boolean nextChunk = false;<a name="line.449"></a> +<span class="sourceLineNo">450</span><a name="line.450"></a> +<span class="sourceLineNo">451</span> head += boundaryLength;<a name="line.451"></a> +<span class="sourceLineNo">452</span> try {<a name="line.452"></a> +<span class="sourceLineNo">453</span> marker[0] = readByte();<a name="line.453"></a> +<span class="sourceLineNo">454</span> if (marker[0] == LF) {<a name="line.454"></a> +<span class="sourceLineNo">455</span> // Work around IE5 Mac bug with input type=image.<a name="line.455"></a> +<span class="sourceLineNo">456</span> // Because the boundary delimiter, not including the trailing<a name="line.456"></a> +<span class="sourceLineNo">457</span> // CRLF, must not appear within any file (RFC 2046, section<a name="line.457"></a> +<span class="sourceLineNo">458</span> // 5.1.1), we know the missing CR is due to a buggy browser<a name="line.458"></a> +<span class="sourceLineNo">459</span> // rather than a file containing something similar to a<a name="line.459"></a> +<span class="sourceLineNo">460</span> // boundary.<a name="line.460"></a> +<span class="sourceLineNo">461</span> return true;<a name="line.461"></a> +<span class="sourceLineNo">462</span> }<a name="line.462"></a> +<span class="sourceLineNo">463</span><a name="line.463"></a> +<span class="sourceLineNo">464</span> marker[1] = readByte();<a name="line.464"></a> +<span class="sourceLineNo">465</span> if (arrayequals(marker, STREAM_TERMINATOR, 2)) {<a name="line.465"></a> +<span class="sourceLineNo">466</span> nextChunk = false;<a name="line.466"></a> +<span class="sourceLineNo">467</span> } else if (arrayequals(marker, FIELD_SEPARATOR, 2)) {<a name="line.467"></a> +<span class="sourceLineNo">468</span> nextChunk = true;<a name="line.468"></a> +<span class="sourceLineNo">469</span> } else {<a name="line.469"></a> +<span class="sourceLineNo">470</span> throw new MalformedStreamException(<a name="line.470"></a> +<span class="sourceLineNo">471</span> "Unexpected characters follow a boundary");<a name="line.471"></a> +<span class="sourceLineNo">472</span> }<a name="line.472"></a> +<span class="sourceLineNo">473</span> } catch (FileUploadIOException e) {<a name="line.473"></a> +<span class="sourceLineNo">474</span> // wraps a SizeException, re-throw as it will be unwrapped later<a name="line.474"></a> +<span class="sourceLineNo">475</span> throw e;<a name="line.475"></a> +<span class="sourceLineNo">476</span> } catch (IOException e) {<a name="line.476"></a> +<span class="sourceLineNo">477</span> throw new MalformedStreamException("Stream ended unexpectedly");<a name="line.477"></a> +<span class="sourceLineNo">478</span> }<a name="line.478"></a> +<span class="sourceLineNo">479</span> return nextChunk;<a name="line.479"></a> +<span class="sourceLineNo">480</span> }<a name="line.480"></a> +<span class="sourceLineNo">481</span><a name="line.481"></a> +<span class="sourceLineNo">482</span> /**<a name="line.482"></a> +<span class="sourceLineNo">483</span> * <p>Changes the boundary token used for partitioning the stream.<a name="line.483"></a> +<span class="sourceLineNo">484</span> *<a name="line.484"></a> +<span class="sourceLineNo">485</span> * <p>This method allows single pass processing of nested multipart<a name="line.485"></a> +<span class="sourceLineNo">486</span> * streams.<a name="line.486"></a> +<span class="sourceLineNo">487</span> *<a name="line.487"></a> +<span class="sourceLineNo">488</span> * <p>The boundary token of the nested stream is <code>required</code><a name="line.488"></a> +<span class="sourceLineNo">489</span> * to be of the same length as the boundary token in parent stream.<a name="line.489"></a> +<span class="sourceLineNo">490</span> *<a name="line.490"></a> +<span class="sourceLineNo">491</span> * <p>Restoring the parent stream boundary token after processing of a<a name="line.491"></a> +<span class="sourceLineNo">492</span> * nested stream is left to the application.<a name="line.492"></a> +<span class="sourceLineNo">493</span> *<a name="line.493"></a> +<span class="sourceLineNo">494</span> * @param boundary The boundary to be used for parsing of the nested<a name="line.494"></a> +<span class="sourceLineNo">495</span> * stream.<a name="line.495"></a> +<span class="sourceLineNo">496</span> *<a name="line.496"></a> +<span class="sourceLineNo">497</span> * @throws IllegalBoundaryException if the <code>boundary</code><a name="line.497"></a> +<span class="sourceLineNo">498</span> * has a different length than the one<a name="line.498"></a> +<span class="sourceLineNo">499</span> * being currently parsed.<a name="line.499"></a> +<span class="sourceLineNo">500</span> */<a name="line.500"></a> +<span class="sourceLineNo">501</span> public void setBoundary(byte[] boundary)<a name="line.501"></a> +<span class="sourceLineNo">502</span> throws IllegalBoundaryException {<a name="line.502"></a> +<span class="sourceLineNo">503</span> if (boundary.length != boundaryLength - BOUNDARY_PREFIX.length) {<a name="line.503"></a> +<span class="sourceLineNo">504</span> throw new IllegalBoundaryException(<a name="line.504"></a> +<span class="sourceLineNo">505</span> "The length of a boundary token can not be changed");<a name="line.505"></a> +<span class="sourceLineNo">506</span> }<a name="line.506"></a> +<span class="sourceLineNo">507</span> System.arraycopy(boundary, 0, this.boundary, BOUNDARY_PREFIX.length,<a name="line.507"></a> +<span class="sourceLineNo">508</span> boundary.length);<a name="line.508"></a> +<span class="sourceLineNo">509</span> }<a name="line.509"></a> +<span class="sourceLineNo">510</span><a name="line.510"></a> +<span class="sourceLineNo">511</span> /**<a name="line.511"></a> +<span class="sourceLineNo">512</span> * <p>Reads the <code>header-part</code> of the current<a name="line.512"></a> +<span class="sourceLineNo">513</span> * <code>encapsulation</code>.<a name="line.513"></a> +<span class="sourceLineNo">514</span> *<a name="line.514"></a> +<span class="sourceLineNo">515</span> * <p>Headers are returned verbatim to the input stream, including the<a name="line.515"></a> +<span class="sourceLineNo">516</span> * trailing <code>CRLF</code> marker. 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name="line.526"></a> +<span class="sourceLineNo">527</span> public String readHeaders() throws FileUploadIOException, MalformedStreamException {<a name="line.527"></a> +<span class="sourceLineNo">528</span> int i = 0;<a name="line.528"></a> +<span class="sourceLineNo">529</span> byte b;<a name="line.529"></a> +<span class="sourceLineNo">530</span> // to support multi-byte characters<a name="line.530"></a> +<span class="sourceLineNo">531</span> ByteArrayOutputStream baos = new ByteArrayOutputStream();<a name="line.531"></a> +<span class="sourceLineNo">532</span> int size = 0;<a name="line.532"></a> +<span class="sourceLineNo">533</span> while (i < HEADER_SEPARATOR.length) {<a name="line.533"></a> +<span class="sourceLineNo">534</span> try {<a name="line.534"></a> +<span class="sourceLineNo">535</span> b = readByte();<a name="line.535"></a> +<span class="sourceLineNo">536</span> } catch (FileUploadIOException e) {<a name="line.536"></a> +<span class="sourceLineNo">537</span> // wraps a SizeException, re-throw as it will be unwrapped later<a name="line.537"></a> +<span class="sourceLineNo">538</span> throw e;<a name="line.538"></a> +<span class="sourceLineNo">539</span> } catch (IOException e) {<a name="line.539"></a> +<span class="sourceLineNo">540</span> throw new MalformedStreamException("Stream ended unexpectedly");<a name="line.540"></a> +<span class="sourceLineNo">541</span> }<a name="line.541"></a> +<span class="sourceLineNo">542</span> if (++size > HEADER_PART_SIZE_MAX) {<a name="line.542"></a> +<span class="sourceLineNo">543</span> throw new MalformedStreamException(<a name="line.543"></a> +<span class="sourceLineNo">544</span> format("Header section has more than %s bytes (maybe it is not properly terminated)",<a name="line.544"></a> +<span class="sourceLineNo">545</span> Integer.valueOf(HEADER_PART_SIZE_MAX)));<a name="line.545"></a> +<span class="sourceLineNo">546</span> }<a name="line.546"></a> +<span class="sourceLineNo">547</span> if (b == HEADER_SEPARATOR[i]) {<a name="line.547"></a> +<span class="sourceLineNo">548</span> i++;<a name="line.548"></a> +<span class="sourceLineNo">549</span> } else {<a name="line.549"></a> +<span class="sourceLineNo">550</span> i = 0;<a name="line.550"></a> +<span class="sourceLineNo">551</span> }<a name="line.551"></a> +<span class="sourceLineNo">552</span> baos.write(b);<a name="line.552"></a> +<span class="sourceLineNo">553</span> }<a name="line.553"></a> +<span class="sourceLineNo">554</span><a name="line.554"></a> +<span class="sourceLineNo">555</span> String headers = null;<a name="line.555"></a> +<span class="sourceLineNo">556</span> if (headerEncoding != null) {<a name="line.556"></a> +<span class="sourceLineNo">557</span> try {<a name="line.557"></a> +<span class="sourceLineNo">558</span> headers = baos.toString(headerEncoding);<a name="line.558"></a> +<span class="sourceLineNo">559</span> } catch (UnsupportedEncodingException e) {<a name="line.559"></a> +<span class="sourceLineNo">560</span> // Fall back to platform default if specified encoding is not<a name="line.560"></a> +<span class="sourceLineNo">561</span> // supported.<a name="line.561"></a> +<span class="sourceLineNo">562</span> headers = baos.toString();<a name="line.562"></a> +<span class="sourceLineNo">563</span> }<a name="line.563"></a> +<span class="sourceLineNo">564</span> } else {<a name="line.564"></a> +<span class="sourceLineNo">565</span> headers = baos.toString();<a name="line.565"></a> +<span class="sourceLineNo">566</span> }<a name="line.566"></a> +<span class="sourceLineNo">567</span><a name="line.567"></a> +<span class="sourceLineNo">568</span> return headers;<a name="line.568"></a> +<span class="sourceLineNo">569</span> }<a name="line.569"></a> +<span class="sourceLineNo">570</span><a name="line.570"></a> +<span class="sourceLineNo">571</span> /**<a name="line.571"></a> +<span class="sourceLineNo">572</span> * <p>Reads <code>body-data</code> from the current<a name="line.572"></a> +<span class="sourceLineNo">573</span> * <code>encapsulation</code> and writes its contents into the<a name="line.573"></a> +<span class="sourceLineNo">574</span> * output <code>Stream</code>.<a name="line.574"></a> +<span class="sourceLineNo">575</span> *<a name="line.575"></a> +<span class="sourceLineNo">576</span> * <p>Arbitrary large amounts of data can be processed by this<a name="line.576"></a> +<span class="sourceLineNo">577</span> * method using a constant size buffer. (see {@link<a name="line.577"></a> +<span class="sourceLineNo">578</span> * #MultipartStream(InputStream,byte[],int,<a name="line.578"></a> +<span class="sourceLineNo">579</span> * MultipartStream.ProgressNotifier) constructor}).<a name="line.579"></a> +<span class="sourceLineNo">580</span> *<a name="line.580"></a> +<span class="sourceLineNo">581</span> * @param output The <code>Stream</code> to write data into. May<a name="line.581"></a> +<span class="sourceLineNo">582</span> * be null, in which case this method is equivalent<a name="line.582"></a> +<span class="sourceLineNo">583</span> * to {@link #discardBodyData()}.<a name="line.583"></a> +<span class="sourceLineNo">584</span> *<a name="line.584"></a> +<span class="sourceLineNo">585</span> * @return the amount of data written.<a name="line.585"></a> +<span class="sourceLineNo">586</span> *<a name="line.586"></a> +<span class="sourceLineNo">587</span> * @throws MalformedStreamException if the stream ends unexpectedly.<a name="line.587"></a> +<span class="sourceLineNo">588</span> * @throws IOException if an i/o error occurs.<a name="line.588"></a> +<span class="sourceLineNo">589</span> */<a name="line.589"></a> +<span class="sourceLineNo">590</span> public int readBodyData(OutputStream output)<a name="line.590"></a> +<span class="sourceLineNo">591</span> throws MalformedStreamException, IOException {<a name="line.591"></a> +<span class="sourceLineNo">592</span> final InputStream istream = newInputStream();<a name="line.592"></a> +<span class="sourceLineNo">593</span> return (int) Streams.copy(istream, output, false);<a name="line.593"></a> +<span class="sourceLineNo">594</span> }<a name="line.594"></a> +<span class="sourceLineNo">595</span><a name="line.595"></a> +<span class="sourceLineNo">596</span> /**<a name="line.596"></a> +<span class="sourceLineNo">597</span> * Creates a new {@link ItemInputStream}.<a name="line.597"></a> +<span class="sourceLineNo">598</span> * @return A new instance of {@link ItemInputStream}.<a name="line.598"></a> +<span class="sourceLineNo">599</span> */<a name="line.599"></a> +<span class="sourceLineNo">600</span> ItemInputStream newInputStream() {<a name="line.600"></a> +<span class="sourceLineNo">601</span> return new ItemInputStream();<a name="line.601"></a> +<span class="sourceLineNo">602</span> }<a name="line.602"></a> +<span class="sourceLineNo">603</span><a name="line.603"></a> +<span class="sourceLineNo">604</span> /**<a name="line.604"></a> +<span class="sourceLineNo">605</span> * <p> Reads <code>body-data</code> from the current<a name="line.605"></a> +<span class="sourceLineNo">606</span> * <code>encapsulation</code> and discards it.<a name="line.606"></a> +<span class="sourceLineNo">607</span> *<a name="line.607"></a> +<span class="sourceLineNo">608</span> * <p>Use this method to skip encapsulations you don't need or don't<a name="line.608"></a> +<span class="sourceLineNo">609</span> * understand.<a name="line.609"></a> +<span class="sourceLineNo">610</span> *<a name="line.610"></a> +<span class="sourceLineNo">611</span> * @return The amount of data discarded.<a name="line.611"></a> +<span class="sourceLineNo">612</span> *<a name="line.612"></a> +<span class="sourceLineNo">613</span> * @throws MalformedStreamException if the stream ends unexpectedly.<a name="line.613"></a> +<span class="sourceLineNo">614</span> * @throws IOException if an i/o error occurs.<a name="line.614"></a> +<span class="sourceLineNo">615</span> */<a name="line.615"></a> +<span class="sourceLineNo">616</span> public int discardBodyData() throws MalformedStreamException, IOException {<a name="line.616"></a> +<span class="sourceLineNo">617</span> return readBodyData(null);<a name="line.617"></a> +<span class="sourceLineNo">618</span> }<a name="line.618"></a> +<span class="sourceLineNo">619</span><a name="line.619"></a> +<span class="sourceLineNo">620</span> /**<a name="line.620"></a> +<span class="sourceLineNo">621</span> * Finds the beginning of the first <code>encapsulation</code>.<a name="line.621"></a> +<span class="sourceLineNo">622</span> *<a name="line.622"></a> +<span class="sourceLineNo">623</span> * @return <code>true</code> if an <code>encapsulation</code> was found in<a name="line.623"></a> +<span class="sourceLineNo">624</span> * the stream.<a name="line.624"></a> +<span class="sourceLineNo">625</span> *<a name="line.625"></a> +<span class="sourceLineNo">626</span> * @throws IOException if an i/o error occurs.<a name="line.626"></a> +<span class="sourceLineNo">627</span> */<a name="line.627"></a> +<span class="sourceLineNo">628</span> public boolean skipPreamble() throws IOException {<a name="line.628"></a> +<span class="sourceLineNo">629</span> // First delimiter may be not preceeded with a CRLF.<a name="line.629"></a> +<span class="sourceLineNo">630</span> System.arraycopy(boundary, 2, boundary, 0, boundary.length - 2);<a name="line.630"></a> +<span class="sourceLineNo">631</span> boundaryLength = boundary.length - 2;<a name="line.631"></a> +<span class="sourceLineNo">632</span> try {<a name="line.632"></a> +<span class="sourceLineNo">633</span> // Discard all data up to the delimiter.<a name="line.633"></a> +<span class="sourceLineNo">634</span> discardBodyData();<a name="line.634"></a> +<span class="sourceLineNo">635</span><a name="line.635"></a> +<span class="sourceLineNo">636</span> // Read boundary - 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name="line.647"></a> +<span class="sourceLineNo">648</span> }<a name="line.648"></a> +<span class="sourceLineNo">649</span><a name="line.649"></a> +<span class="sourceLineNo">650</span> /**<a name="line.650"></a> +<span class="sourceLineNo">651</span> * Compares <code>count</code> first bytes in the arrays<a name="line.651"></a> +<span class="sourceLineNo">652</span> * <code>a</code> and <code>b</code>.<a name="line.652"></a> +<span class="sourceLineNo">653</span> *<a name="line.653"></a> +<span class="sourceLineNo">654</span> * @param a The first array to compare.<a name="line.654"></a> +<span class="sourceLineNo">655</span> * @param b The second array to compare.<a name="line.655"></a> +<span class="sourceLineNo">656</span> * @param count How many bytes should be compared.<a name="line.656"></a> +<span class="sourceLineNo">657</span> *<a name="line.657"></a> +<span class="sourceLineNo">658</span> * @return <code>true</code> if <code>count</code> first bytes in arrays<a 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name="line.681"></a> +<span class="sourceLineNo">682</span> protected int findByte(byte value,<a name="line.682"></a> +<span class="sourceLineNo">683</span> int pos) {<a name="line.683"></a> +<span class="sourceLineNo">684</span> for (int i = pos; i < tail; i++) {<a name="line.684"></a> +<span class="sourceLineNo">685</span> if (buffer[i] == value) {<a name="line.685"></a> +<span class="sourceLineNo">686</span> return i;<a name="line.686"></a> +<span class="sourceLineNo">687</span> }<a name="line.687"></a> +<span class="sourceLineNo">688</span> }<a name="line.688"></a> +<span class="sourceLineNo">689</span><a name="line.689"></a> +<span class="sourceLineNo">690</span> return -1;<a name="line.690"></a> +<span class="sourceLineNo">691</span> }<a name="line.691"></a> +<span class="sourceLineNo">692</span><a name="line.692"></a> +<span class="sourceLineNo">693</span> /**<a name="line.693"></a> +<span class="sourceLineNo">694</span> * Searches for the <code>boundary</code> in the <code>buffer</code><a name="line.694"></a> +<span class="sourceLineNo">695</span> * region delimited by <code>head</code> and <code>tail</code>.<a name="line.695"></a> +<span class="sourceLineNo">696</span> *<a name="line.696"></a> +<span class="sourceLineNo">697</span> * @return The position of the boundary found, counting from the<a name="line.697"></a> +<span class="sourceLineNo">698</span> * beginning of the <code>buffer</code>, or <code>-1</code> if<a name="line.698"></a> +<span class="sourceLineNo">699</span> * not found.<a name="line.699"></a> +<span class="sourceLineNo">700</span> */<a name="line.700"></a> +<span class="sourceLineNo">701</span> protected int findSeparator() {<a name="line.701"></a> +<span class="sourceLineNo">702</span> int first;<a name="line.702"></a> +<span class="sourceLineNo">703</span> int match = 0;<a name="line.703"></a> +<span class="sourceLineNo">704</span> int maxpos = tail - boundaryLength;<a name="line.704"></a> +<span class="sourceLineNo">705</span> for (first = head; first <= maxpos && match != boundaryLength; first++) {<a name="line.705"></a> +<span class="sourceLineNo">706</span> first = findByte(boundary[0], first);<a name="line.706"></a> +<span class="sourceLineNo">707</span> if (first == -1 || first > maxpos) {<a name="line.707"></a> +<span class="sourceLineNo">708</span> return -1;<a name="line.708"></a> +<span class="sourceLineNo">709</span> }<a name="line.709"></a> +<span class="sourceLineNo">710</span> for (match = 1; match < boundaryLength; match++) {<a name="line.710"></a> +<span class="sourceLineNo">711</span> if (buffer[first + match] != boundary[match]) {<a name="line.711"></a> +<span class="sourceLineNo">712</span> break;<a name="line.712"></a> +<span class="sourceLineNo">713</span> }<a name="line.713"></a> +<span class="sourceLineNo">714</span> }<a name="line.714"></a> +<span class="sourceLineNo">715</span> }<a name="line.715"></a> +<span class="sourceLineNo">716</span> if (match == boundaryLength) {<a name="line.716"></a> +<span class="sourceLineNo">717</span> return first - 1;<a name="line.717"></a> +<span class="sourceLineNo">718</span> }<a name="line.718"></a> +<span class="sourceLineNo">719</span> return -1;<a name="line.719"></a> +<span class="sourceLineNo">720</span> }<a name="line.720"></a> +<span class="sourceLineNo">721</span><a name="line.721"></a> +<span class="sourceLineNo">722</span> /**<a name="line.722"></a> +<span class="sourceLineNo">723</span> * Thrown to indicate that the input stream fails to follow the<a name="line.723"></a> +<span class="sourceLineNo">724</span> * required syntax.<a name="line.724"></a> +<span class="sourceLineNo">725</span> */<a name="line.725"></a> +<span class="sourceLineNo">726</span> public static class MalformedStreamException extends IOException {<a name="line.726"></a> +<span class="sourceLineNo">727</span><a name="line.727"></a> +<span class="sourceLineNo">728</span> /**<a name="line.728"></a> +<span class="sourceLineNo">729</span> * The UID to use when serializing this instance.<a name="line.729"></a> +<span class="sourceLineNo">730</span> */<a name="line.730"></a> +<span class="sourceLineNo">731</span> private static final long serialVersionUID = 6466926458059796677L;<a name="line.731"></a> +<span class="sourceLineNo">732</span><a name="line.732"></a> +<span class="sourceLineNo">733</span> /**<a name="line.733"></a> +<span class="sourceLineNo">734</span> * Constructs a <code>MalformedStreamException</code> with no<a name="line.734"></a> +<span class="sourceLineNo">735</span> * detail message.<a name="line.735"></a> +<span class="sourceLineNo">736</span> */<a name="line.736"></a> +<span class="sourceLineNo">737</span> public MalformedStreamException() {<a name="line.737"></a> +<span class="sourceLineNo">738</span> super();<a name="line.738"></a> +<span class="sourceLineNo">739</span> }<a name="line.739"></a> +<span class="sourceLineNo">740</span><a name="line.740"></a> +<span class="sourceLineNo">741</span> /**<a name="line.741"></a> +<span class="sourceLineNo">742</span> * Constructs an <code>MalformedStreamException</code> with<a name="line.742"></a> +<span class="sourceLineNo">743</span> * the specified detail message.<a name="line.743"></a> +<span class="sourceLineNo">744</span> *<a name="line.744"></a> +<span class="sourceLineNo">745</span> * @param message The detail message.<a name="line.745"></a> +<span class="sourceLineNo">746</span> */<a name="line.746"></a> +<span class="sourceLineNo">747</span> public MalformedStreamException(String message) {<a name="line.747"></a> +<span class="sourceLineNo">748</span> super(message);<a name="line.748"></a> +<span class="sourceLineNo">749</span> }<a name="line.749"></a> +<span class="sourceLineNo">750</span><a name="line.750"></a> +<span class="sourceLineNo">751</span> }<a name="line.751"></a> +<span class="sourceLineNo">752</span><a name="line.752"></a> +<span class="sourceLineNo">753</span> /**<a 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name="line.764"></a> +<span class="sourceLineNo">765</span> * detail message.<a name="line.765"></a> +<span class="sourceLineNo">766</span> */<a name="line.766"></a> +<span class="sourceLineNo">767</span> public IllegalBoundaryException() {<a name="line.767"></a> +<span class="sourceLineNo">768</span> super();<a name="line.768"></a> +<span class="sourceLineNo">769</span> }<a name="line.769"></a> +<span class="sourceLineNo">770</span><a name="line.770"></a> +<span class="sourceLineNo">771</span> /**<a name="line.771"></a> +<span class="sourceLineNo">772</span> * Constructs an <code>IllegalBoundaryException</code> with<a name="line.772"></a> +<span class="sourceLineNo">773</span> * the specified detail message.<a name="line.773"></a> +<span class="sourceLineNo">774</span> *<a name="line.774"></a> +<span class="sourceLineNo">775</span> * @param message The detail message.<a name="line.775"></a> +<span class="sourceLineNo">776</span> */<a name="line.776"></a> +<span class="sourceLineNo">777</span> public IllegalBoundaryException(String message) {<a name="line.777"></a> +<span class="sourceLineNo">778</span> super(message);<a name="line.778"></a> +<span class="sourceLineNo">779</span> }<a name="line.779"></a> +<span class="sourceLineNo">780</span><a name="line.780"></a> +<span class="sourceLineNo">781</span> }<a name="line.781"></a> +<span class="sourceLineNo">782</span><a name="line.782"></a> +<span class="sourceLineNo">783</span> /**<a name="line.783"></a> +<span class="sourceLineNo">784</span> * An {@link InputStream} for reading an items contents.<a name="line.784"></a> +<span class="sourceLineNo">785</span> */<a name="line.785"></a> +<span class="sourceLineNo">786</span> public class ItemInputStream extends InputStream implements Closeable {<a name="line.786"></a> +<span class="sourceLineNo">787</span><a name="line.787"></a> +<span class="sourceLineNo">788</span> /**<a name="line.788"></a> +<span class="sourceLineNo">789</span> * The number of bytes, which have been read so far.<a name="line.789"></a> +<span class="sourceLineNo">790</span> */<a name="line.790"></a> +<span class="sourceLineNo">791</span> private long total;<a name="line.791"></a> +<span class="sourceLineNo">792</span><a name="line.792"></a> +<span class="sourceLineNo">793</span> /**<a name="line.793"></a> +<span class="sourceLineNo">794</span> * The number of bytes, which must be hold, because<a name="line.794"></a> +<span class="sourceLineNo">795</span> * they might be a part of the boundary.<a name="line.795"></a> +<span class="sourceLineNo">796</span> */<a name="line.796"></a> +<span class="sourceLineNo">797</span> private int pad;<a name="line.797"></a> +<span class="sourceLineNo">798</span><a name="line.798"></a> +<span class="sourceLineNo">799</span> /**<a name="line.799"></a> +<span class="sourceLineNo">800</span> * The current offset in the buffer.<a name="line.800"></a> +<span class="sourceLineNo">801</span> */<a name="line.801"></a> +<span class="sourceLineNo">802</span> private int pos;<a name="line.802"></a> +<span class="sourceLineNo">803</span><a name="line.803"></a> +<span class="sourceLineNo">804</span> /**<a name="line.804"></a> +<span class="sourceLineNo">805</span> * Whether the stream is already closed.<a name="line.805"></a> +<span class="sourceLineNo">806</span> */<a name="line.806"></a> +<span class="sourceLineNo">807</span> private boolean closed;<a name="line.807"></a> +<span class="sourceLineNo">808</span><a name="line.808"></a> +<span class="sourceLineNo">809</span> /**<a name="line.809"></a> +<span class="sourceLineNo">810</span> * Creates a new instance.<a name="line.810"></a> +<span class="sourceLineNo">811</span> */<a name="line.811"></a> +<span class="sourceLineNo">812</span> ItemInputStream() {<a name="line.812"></a> +<span class="sourceLineNo">813</span> findSeparator();<a name="line.813"></a> +<span class="sourceLineNo">814</span> }<a name="line.814"></a> +<span class="sourceLineNo">815</span><a name="line.815"></a> +<span class="sourceLineNo">816</span> /**<a name="line.816"></a> +<span class="sourceLineNo">817</span> * Called for finding the separator.<a name="line.817"></a> +<span class="sourceLineNo">818</span> */<a name="line.818"></a> +<span class="sourceLineNo">819</span> private void findSeparator() {<a name="line.819"></a> +<span class="sourceLineNo">820</span> pos = MultipartStream.this.findSeparator();<a name="line.820"></a> +<span class="sourceLineNo">821</span> if (pos == -1) {<a name="line.821"></a> +<span class="sourceLineNo">822</span> if (tail - head > keepRegion) {<a name="line.822"></a> +<span class="sourceLineNo">823</span> pad = keepRegion;<a name="line.823"></a> +<span class="sourceLineNo">824</span> } else {<a name="line.824"></a> +<span class="sourceLineNo">825</span> pad = tail - head;<a name="line.825"></a> +<span class="sourceLineNo">826</span> }<a name="line.826"></a> +<span class="sourceLineNo">827</span> }<a name="line.827"></a> +<span class="sourceLineNo">828</span> }<a name="line.828"></a> +<span class="sourceLineNo">829</span><a name="line.829"></a> +<span class="sourceLineNo">830</span> /**<a name="line.830"></a> +<span class="sourceLineNo">831</span> * Returns the number of bytes, which have been read<a name="line.831"></a> +<span class="sourceLineNo">832</span> * by the stream.<a name="line.832"></a> +<span class="sourceLineNo">833</span> *<a name="line.833"></a> +<span class="sourceLineNo">834</span> * @return Number of bytes, which have been read so far.<a name="line.834"></a> +<span class="sourceLineNo">835</span> */<a name="line.835"></a> +<span class="sourceLineNo">836</span> public long getBytesRead() {<a name="line.836"></a> +<span class="sourceLineNo">837</span> return total;<a name="line.837"></a> +<span class="sourceLineNo">838</span> }<a name="line.838"></a> +<span class="sourceLineNo">839</span><a name="line.839"></a> +<span class="sourceLineNo">840</span> /**<a name="line.840"></a> +<span class="sourceLineNo">841</span> * Returns the number of bytes, which are currently<a name="line.841"></a> +<span class="sourceLineNo">842</span> * available, without blocking.<a name="line.842"></a> +<span class="sourceLineNo">843</span> *<a name="line.843"></a> +<span class="sourceLineNo">844</span> * @throws IOException An I/O error occurs.<a name="line.844"></a> +<span class="sourceLineNo">845</span> * @return Number of bytes in the buffer.<a name="line.845"></a> +<span class="sourceLineNo">846</span> */<a name="line.846"></a> +<span class="sourceLineNo">847</span> @Override<a name="line.847"></a> +<span class="sourceLineNo">848</span> public int available() throws IOException {<a name="line.848"></a> +<span class="sourceLineNo">849</span> if (pos == -1) {<a name="line.849"></a> +<span class="sourceLineNo">850</span> return tail - head - pad;<a name="line.850"></a> +<span class="sourceLineNo">851</span> }<a name="line.851"></a> +<span class="sourceLineNo">852</span> return pos - head;<a name="line.852"></a> +<span class="sourceLineNo">853</span> }<a name="line.853"></a> +<span class="sourceLineNo">854</span><a name="line.854"></a> +<span class="sourceLineNo">855</span> /**<a name="line.855"></a> +<span class="sourceLineNo">856</span> * Offset when converting negative bytes to integers.<a name="line.856"></a> +<span class="sourceLineNo">857</span> */<a name="line.857"></a> +<span class="sourceLineNo">858</span> private static final int BYTE_POSITIVE_OFFSET = 256;<a name="line.858"></a> +<span class="sourceLineNo">859</span><a name="line.859"></a> +<span class="sourceLineNo">860</span> /**<a name="line.860"></a> +<span class="sourceLineNo">861</span> * Returns the next byte in the stream.<a name="line.861"></a> +<span class="sourceLineNo">862</span> *<a name="line.862"></a> +<span class="sourceLineNo">863</span> * @return The next byte in the stream, as a non-negative<a name="line.863"></a> +<span class="sourceLineNo">864</span> * integer, or -1 for EOF.<a name="line.864"></a> +<span class="sourceLineNo">865</span> * @throws IOException An I/O error occurred.<a name="line.865"></a> +<span class="sourceLineNo">866</span> */<a name="line.866"></a> +<span class="sourceLineNo">867</span> @Override<a name="line.867"></a> +<span class="sourceLineNo">868</span> public int read() throws IOException {<a name="line.868"></a> +<span class="sourceLineNo">869</span> if (closed) {<a name="line.869"></a> +<span class="sourceLineNo">870</span> throw new FileItemStream.ItemSkippedException();<a name="line.870"></a> +<span class="sourceLineNo">871</span> }<a name="line.871"></a> +<span class="sourceLineNo">872</span> if (available() == 0 && makeAvailable() == 0) {<a name="line.872"></a> +<span class="sourceLineNo">873</span> return -1;<a name="line.873"></a> +<span class="sourceLineNo">874</span> }<a name="line.874"></a> +<span class="sourceLineNo">875</span> ++total;<a name="line.875"></a> +<span class="sourceLineNo">876</span> int b = buffer[head++];<a name="line.876"></a> +<span class="sourceLineNo">877</span> if (b >= 0) {<a name="line.877"></a> +<span class="sourceLineNo">878</span> return b;<a name="line.878"></a> +<span class="sourceLineNo">879</span> }<a name="line.879"></a> +<span class="sourceLineNo">880</span> return b + BYTE_POSITIVE_OFFSET;<a name="line.880"></a> +<span class="sourceLineNo">881</span> }<a name="line.881"></a> +<span class="sourceLineNo">882</span><a name="line.882"></a> +<span class="sourceLineNo">883</span> /**<a name="line.883"></a> +<span class="sourceLineNo">884</span> * Reads bytes into the given buffer.<a name="line.884"></a> +<span class="sourceLineNo">885</span> *<a name="line.885"></a> +<span class="sourceLineNo">886</span> * @param b The destination buffer, where to write to.<a name="line.886"></a> +<span class="sourceLineNo">887</span> * @param off Offset of the first byte in the buffer.<a name="line.887"></a> +<span class="sourceLineNo">888</span> * @param len Maximum number of bytes to read.<a name="line.888"></a> +<span class="sourceLineNo">889</span> * @return Number of bytes, which have been actually read,<a name="line.889"></a> +<span class="sourceLineNo">890</span> * or -1 for EOF.<a name="line.890"></a> +<span class="sourceLineNo">891</span> * @throws IOException An I/O error occurred.<a name="line.891"></a> +<span class="sourceLineNo">892</span> */<a name="line.892"></a> +<span class="sourceLineNo">893</span> @Override<a name="line.893"></a> +<span class="sourceLineNo">894</span> public int read(byte[] b, int off, int len) throws IOException {<a name="line.894"></a> +<span class="sourceLineNo">895</span> if (closed) {<a name="line.895"></a> +<span class="sourceLineNo">896</span> throw new FileItemStream.ItemSkippedException();<a name="line.896"></a> +<span class="sourceLineNo">897</span> }<a name="line.897"></a> +<span class="sourceLineNo">898</span> if (len == 0) {<a name="line.898"></a> +<span class="sourceLineNo">899</span> return 0;<a name="line.899"></a> +<span class="sourceLineNo">900</span> }<a name="line.900"></a> +<span class="sourceLineNo">901</span> int res = available();<a name="line.901"></a> +<span class="sourceLineNo">902</span> if (res == 0) {<a name="line.902"></a> +<span class="sourceLineNo">903</span> res = makeAvailable();<a name="line.903"></a> +<span class="sourceLineNo">904</span> if (res == 0) {<a name="line.904"></a> +<span class="sourceLineNo">905</span> return -1;<a name="line.905"></a> +<span class="sourceLineNo">906</span> }<a name="line.906"></a> +<span class="sourceLineNo">907</span> }<a name="line.907"></a> +<span class="sourceLineNo">908</span> res = Math.min(res, len);<a name="line.908"></a> +<span class="sourceLineNo">909</span> System.arraycopy(buffer, head, b, off, res);<a name="line.909"></a> +<span class="sourceLineNo">910</span> head += res;<a name="line.910"></a> +<span class="sourceLineNo">911</span> total += res;<a name="line.911"></a> +<span class="sourceLineNo">912</span> return res;<a name="line.912"></a> +<span class="sourceLineNo">913</span> }<a name="line.913"></a> +<span class="sourceLineNo">914</span><a name="line.914"></a> +<span class="sourceLineNo">915</span> /**<a name="line.915"></a> +<span class="sourceLineNo">916</span> * Closes the input stream.<a name="line.916"></a> +<span class="sourceLineNo">917</span> *<a name="line.917"></a> +<span class="sourceLineNo">918</span> * @throws IOException An I/O error occurred.<a name="line.918"></a> +<span class="sourceLineNo">919</span> */<a name="line.919"></a> +<span class="sourceLineNo">920</span> @Override<a name="line.920"></a> +<span class="sourceLineNo">921</span> public void close() throws IOException {<a name="line.921"></a> +<span class="sourceLineNo">922</span> close(false);<a name="line.922"></a> +<span class="sourceLineNo">923</span> }<a name="line.923"></a> +<span class="sourceLineNo">924</span><a name="line.924"></a> +<span class="sourceLineNo">925</span> /**<a name="line.925"></a> +<span class="sourceLineNo">926</span> * Closes the input stream.<a name="line.926"></a> +<span class="sourceLineNo">927</span> *<a name="line.927"></a> +<span class="sourceLineNo">928</span> * @param pCloseUnderlying Whether to close the underlying stream<a name="line.928"></a> +<span class="sourceLineNo">929</span> * (hard close)<a name="line.929"></a> +<span class="sourceLineNo">930</span> * @throws IOException An I/O error occurred.<a name="line.930"></a> +<span class="sourceLineNo">931</span> */<a name="line.931"></a> +<span class="sourceLineNo">932</span> public void close(boolean pCloseUnderlying) throws IOException {<a name="line.932"></a> +<span class="sourceLineNo">933</span> if (closed) {<a name="line.933"></a> +<span class="sourceLineNo">934</span> return;<a name="line.934"></a> +<span class="sourceLineNo">935</span> }<a name="line.935"></a> +<span class="sourceLineNo">936</span> if (pCloseUnderlying) {<a name="line.936"></a> +<span class="sourceLineNo">937</span> closed = true;<a name="line.937"></a> +<span class="sourceLineNo">938</span> input.close();<a name="line.938"></a> +<span class="sourceLineNo">939</span> } else {<a name="line.939"></a> +<span class="sourceLineNo">940</span> for (;;) {<a name="line.940"></a> +<span class="sourceLineNo">941</span> int av = available();<a name="line.941"></a> +<span class="sourceLineNo">942</span> if (av == 0) {<a name="line.942"></a> +<span class="sourceLineNo">943</span> av = makeAvailable();<a name="line.943"></a>
[... 154 lines stripped ...]