streamingtest.html

java 的上传功能很强大的实施上述事实上说是

<a name="105" href="#105">105</a> 						<strong class="jxr_keyword">return</strong> i == 0 ? -1 : i;
<a name="106" href="#106">106</a> 					}
<a name="107" href="#107">107</a> 					pB[pOff+i] = (byte) res;
<a name="108" href="#108">108</a> 				}
<a name="109" href="#109">109</a> 				<strong class="jxr_keyword">return</strong> pLen;
<a name="110" href="#110">110</a> 			}
<a name="111" href="#111">111</a>     	};
<a name="112" href="#112">112</a>     	<strong class="jxr_keyword">try</strong> {
<a name="113" href="#113">113</a>     		parseUpload(stream, request.length);
<a name="114" href="#114">114</a>     		fail(<span class="jxr_string">"Expected IOException"</span>);
<a name="115" href="#115">115</a>     	} <strong class="jxr_keyword">catch</strong> (FileUploadException e) {
<a name="116" href="#116">116</a>     		assertTrue(e.getCause() instanceof IOException);
<a name="117" href="#117">117</a>     		assertEquals(<span class="jxr_string">"123"</span>, e.getCause().getMessage());
<a name="118" href="#118">118</a>         }     
<a name="119" href="#119">119</a>     }         
<a name="120" href="#120">120</a> 
<a name="121" href="#121">121</a>     <em class="jxr_javadoccomment">/**</em>
<a name="122" href="#122">122</a> <em class="jxr_javadoccomment">     * Test for FILEUPLOAD-135</em>
<a name="123" href="#123">123</a> <em class="jxr_javadoccomment">     */</em>
<a name="124" href="#124">124</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testFILEUPLOAD135()
<a name="125" href="#125">125</a>             <strong class="jxr_keyword">throws</strong> IOException, FileUploadException
<a name="126" href="#126">126</a>     {
<a name="127" href="#127">127</a>         byte[] request = newShortRequest();
<a name="128" href="#128">128</a>         <strong class="jxr_keyword">final</strong> ByteArrayInputStream bais = <strong class="jxr_keyword">new</strong> ByteArrayInputStream(request);
<a name="129" href="#129">129</a>         List fileItems = parseUpload(<strong class="jxr_keyword">new</strong> InputStream() {
<a name="130" href="#130">130</a>             <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> read()
<a name="131" href="#131">131</a>             <strong class="jxr_keyword">throws</strong> IOException
<a name="132" href="#132">132</a>             {
<a name="133" href="#133">133</a>                 <strong class="jxr_keyword">return</strong> bais.read();
<a name="134" href="#134">134</a>             }
<a name="135" href="#135">135</a>             <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> read(byte b[], <strong class="jxr_keyword">int</strong> off, <strong class="jxr_keyword">int</strong> len) <strong class="jxr_keyword">throws</strong> IOException 
<a name="136" href="#136">136</a>             {
<a name="137" href="#137">137</a>                 <strong class="jxr_keyword">return</strong> bais.read(b, off, Math.min(len, 3));
<a name="138" href="#138">138</a>             }
<a name="139" href="#139">139</a> 
<a name="140" href="#140">140</a>         }, request.length);
<a name="141" href="#141">141</a>         Iterator fileIter = fileItems.iterator();
<a name="142" href="#142">142</a>         assertTrue(fileIter.hasNext());
<a name="143" href="#143">143</a>         FileItem item = (FileItem) fileIter.next();
<a name="144" href="#144">144</a>         assertEquals(<span class="jxr_string">"field"</span>, item.getFieldName());
<a name="145" href="#145">145</a>         byte[] bytes = item.get();
<a name="146" href="#146">146</a>         assertEquals(3, bytes.length);
<a name="147" href="#147">147</a>         assertEquals((byte)'1', bytes[0]);
<a name="148" href="#148">148</a>         assertEquals((byte)'2', bytes[1]);
<a name="149" href="#149">149</a>         assertEquals((byte)'3', bytes[2]);
<a name="150" href="#150">150</a>         assertTrue(!fileIter.hasNext());
<a name="151" href="#151">151</a>     }
<a name="152" href="#152">152</a> 
<a name="153" href="#153">153</a>     <strong class="jxr_keyword">private</strong> List parseUpload(byte[] bytes) <strong class="jxr_keyword">throws</strong> FileUploadException {
<a name="154" href="#154">154</a>     	<strong class="jxr_keyword">return</strong> parseUpload(<strong class="jxr_keyword">new</strong> ByteArrayInputStream(bytes), bytes.length);
<a name="155" href="#155">155</a>     }
<a name="156" href="#156">156</a> 
<a name="157" href="#157">157</a>     <strong class="jxr_keyword">private</strong> List parseUpload(InputStream pStream, <strong class="jxr_keyword">int</strong> pLength)
<a name="158" href="#158">158</a>     		<strong class="jxr_keyword">throws</strong> FileUploadException {
<a name="159" href="#159">159</a>         String contentType = <span class="jxr_string">"multipart/form-data; boundary=---1234"</span>;
<a name="160" href="#160">160</a> 
<a name="161" href="#161">161</a>         FileUploadBase upload = <strong class="jxr_keyword">new</strong> ServletFileUpload();
<a name="162" href="#162">162</a>         upload.setFileItemFactory(<strong class="jxr_keyword">new</strong> DiskFileItemFactory());
<a name="163" href="#163">163</a>         HttpServletRequest request = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/commons/fileupload/MockHttpServletRequest.html">MockHttpServletRequest</a>(pStream,
<a name="164" href="#164">164</a>         		pLength, contentType);
<a name="165" href="#165">165</a> 
<a name="166" href="#166">166</a>         List fileItems = upload.parseRequest(<strong class="jxr_keyword">new</strong> ServletRequestContext(request));
<a name="167" href="#167">167</a>         <strong class="jxr_keyword">return</strong> fileItems;
<a name="168" href="#168">168</a>     }
<a name="169" href="#169">169</a> 
<a name="170" href="#170">170</a>     <strong class="jxr_keyword">private</strong> String getHeader(String pField) {
<a name="171" href="#171">171</a>         <strong class="jxr_keyword">return</strong> <span class="jxr_string">"-----1234\r\n"</span>
<a name="172" href="#172">172</a>             + <span class="jxr_string">"Content-Disposition: form-data; name=\&quot;"</span> + pField + <span class="jxr_string">"\&quot;\r\n"</span>
<a name="173" href="#173">173</a>             + <span class="jxr_string">"\r\n"</span>;
<a name="174" href="#174">174</a> 
<a name="175" href="#175">175</a>     }
<a name="176" href="#176">176</a> 
<a name="177" href="#177">177</a>     <strong class="jxr_keyword">private</strong> String getFooter() {
<a name="178" href="#178">178</a>         <strong class="jxr_keyword">return</strong> <span class="jxr_string">"-----1234--\r\n"</span>;
<a name="179" href="#179">179</a>     }
<a name="180" href="#180">180</a> 
<a name="181" href="#181">181</a>     <strong class="jxr_keyword">private</strong> byte[] newShortRequest() <strong class="jxr_keyword">throws</strong> IOException {
<a name="182" href="#182">182</a>         <strong class="jxr_keyword">final</strong> ByteArrayOutputStream baos = <strong class="jxr_keyword">new</strong> ByteArrayOutputStream();
<a name="183" href="#183">183</a>         <strong class="jxr_keyword">final</strong> OutputStreamWriter osw = <strong class="jxr_keyword">new</strong> OutputStreamWriter(baos, <span class="jxr_string">"US-ASCII"</span>);
<a name="184" href="#184">184</a>         osw.write(getHeader(<span class="jxr_string">"field"</span>));
<a name="185" href="#185">185</a>         osw.write(<span class="jxr_string">"123"</span>);
<a name="186" href="#186">186</a>         osw.write(<span class="jxr_string">"\r\n"</span>);
<a name="187" href="#187">187</a>         osw.write(getFooter());
<a name="188" href="#188">188</a>         osw.close();
<a name="189" href="#189">189</a>         <strong class="jxr_keyword">return</strong> baos.toByteArray();
<a name="190" href="#190">190</a>     }
<a name="191" href="#191">191</a> 
<a name="192" href="#192">192</a>     <strong class="jxr_keyword">private</strong> byte[] newRequest() <strong class="jxr_keyword">throws</strong> IOException {
<a name="193" href="#193">193</a>         <strong class="jxr_keyword">final</strong> ByteArrayOutputStream baos = <strong class="jxr_keyword">new</strong> ByteArrayOutputStream();
<a name="194" href="#194">194</a>         <strong class="jxr_keyword">final</strong> OutputStreamWriter osw = <strong class="jxr_keyword">new</strong> OutputStreamWriter(baos, <span class="jxr_string">"US-ASCII"</span>);
<a name="195" href="#195">195</a>         <strong class="jxr_keyword">int</strong> add = 16;
<a name="196" href="#196">196</a>         <strong class="jxr_keyword">int</strong> num = 0;
<a name="197" href="#197">197</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0;  i &lt; 16384;  i += add) {
<a name="198" href="#198">198</a>             <strong class="jxr_keyword">if</strong> (++add == 32) {
<a name="199" href="#199">199</a>                 add = 16;
<a name="200" href="#200">200</a>             }
<a name="201" href="#201">201</a>             osw.write(getHeader(<span class="jxr_string">"field"</span> + (num++)));
<a name="202" href="#202">202</a>             osw.flush();
<a name="203" href="#203">203</a>             <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> j = 0;  j &lt; i;  j++) {
<a name="204" href="#204">204</a>                 baos.write((byte) j);
<a name="205" href="#205">205</a>             }
<a name="206" href="#206">206</a>             osw.write(<span class="jxr_string">"\r\n"</span>);
<a name="207" href="#207">207</a>         }
<a name="208" href="#208">208</a>         osw.write(getFooter());
<a name="209" href="#209">209</a>         osw.close();
<a name="210" href="#210">210</a>         <strong class="jxr_keyword">return</strong> baos.toByteArray();
<a name="211" href="#211">211</a>     }
<a name="212" href="#212">212</a> }
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