?? progresslistenertest.html
字號:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"><head><meta http-equiv="content-type" content="text/html; charset=ISO-8859-1" /><title>ProgressListenerTest xref</title><link type="text/css" rel="stylesheet" href="../../../../stylesheet.css" /></head><body><pre><a name="1" href="#1">1</a> <em class="jxr_comment">/*</em><a name="2" href="#2">2</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one or more</em><a name="3" href="#3">3</a> <em class="jxr_comment"> * contributor license agreements. See the NOTICE file distributed with</em><a name="4" href="#4">4</a> <em class="jxr_comment"> * this work for additional information regarding copyright ownership.</em><a name="5" href="#5">5</a> <em class="jxr_comment"> * The ASF licenses this file to You under the Apache License, Version 2.0</em><a name="6" href="#6">6</a> <em class="jxr_comment"> * (the "License"); you may not use this file except in compliance with</em><a name="7" href="#7">7</a> <em class="jxr_comment"> * the License. You may obtain a copy of the License at</em><a name="8" href="#8">8</a> <em class="jxr_comment"> *</em><a name="9" href="#9">9</a> <em class="jxr_comment"> * <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em><a name="10" href="#10">10</a> <em class="jxr_comment"> *</em><a name="11" href="#11">11</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em><a name="12" href="#12">12</a> <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em><a name="13" href="#13">13</a> <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em><a name="14" href="#14">14</a> <em class="jxr_comment"> * See the License for the specific language governing permissions and</em><a name="15" href="#15">15</a> <em class="jxr_comment"> * limitations under the License.</em><a name="16" href="#16">16</a> <em class="jxr_comment"> */</em><a name="17" href="#17">17</a> <strong class="jxr_keyword">package</strong> org.apache.commons.fileupload;<a name="18" href="#18">18</a> <a name="19" href="#19">19</a> <strong class="jxr_keyword">import</strong> java.io.ByteArrayOutputStream;<a name="20" href="#20">20</a> <strong class="jxr_keyword">import</strong> java.io.IOException;<a name="21" href="#21">21</a> <strong class="jxr_keyword">import</strong> java.io.InputStream;<a name="22" href="#22">22</a> <a name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> org.apache.commons.fileupload.ProgressListener;<a name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> org.apache.commons.fileupload.servlet.ServletFileUpload;<a name="25" href="#25">25</a> <a name="26" href="#26">26</a> <a name="27" href="#27">27</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Tests the progress listener.</em><a name="28" href="#28">28</a> <em class="jxr_javadoccomment"> */</em><a name="29" href="#29">29</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/commons/fileupload/ProgressListenerTest.html">ProgressListenerTest</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../org/apache/commons/fileupload/FileUploadTestCase.html">FileUploadTestCase</a> {<a name="30" href="#30">30</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/commons/fileupload/ProgressListenerTest.html">ProgressListenerImpl</a> implements ProgressListener {<a name="31" href="#31">31</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> expectedContentLength;<a name="32" href="#32">32</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> expectedItems;<a name="33" href="#33">33</a> <strong class="jxr_keyword">private</strong> Long bytesRead;<a name="34" href="#34">34</a> <strong class="jxr_keyword">private</strong> Integer items;<a name="35" href="#35">35</a> ProgressListenerImpl(<strong class="jxr_keyword">long</strong> pContentLength, <strong class="jxr_keyword">int</strong> pItems) {<a name="36" href="#36">36</a> expectedContentLength = pContentLength;<a name="37" href="#37">37</a> expectedItems = pItems;<a name="38" href="#38">38</a> }<a name="39" href="#39">39</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> update(<strong class="jxr_keyword">long</strong> pBytesRead, <strong class="jxr_keyword">long</strong> pContentLength, <strong class="jxr_keyword">int</strong> pItems) {<a name="40" href="#40">40</a> assertTrue(pBytesRead >= 0 && pBytesRead <= expectedContentLength);<a name="41" href="#41">41</a> assertTrue(pContentLength == -1 || pContentLength == expectedContentLength);<a name="42" href="#42">42</a> assertTrue(pItems >= 0 && pItems <= expectedItems);<a name="43" href="#43">43</a> <a name="44" href="#44">44</a> assertTrue(bytesRead == <strong class="jxr_keyword">null</strong> || pBytesRead >= bytesRead.longValue());<a name="45" href="#45">45</a> bytesRead = <strong class="jxr_keyword">new</strong> Long(pBytesRead);<a name="46" href="#46">46</a> assertTrue(items == <strong class="jxr_keyword">null</strong> || pItems >= items.intValue());<a name="47" href="#47">47</a> items = <strong class="jxr_keyword">new</strong> Integer(pItems);<a name="48" href="#48">48</a> }<a name="49" href="#49">49</a> <strong class="jxr_keyword">void</strong> checkFinished(){<a name="50" href="#50">50</a> assertEquals(expectedContentLength, bytesRead.longValue());<a name="51" href="#51">51</a> assertEquals(expectedItems, items.intValue());<a name="52" href="#52">52</a> }<a name="53" href="#53">53</a> }<a name="54" href="#54">54</a> <a name="55" href="#55">55</a> <em class="jxr_javadoccomment">/**</em><a name="56" href="#56">56</a> <em class="jxr_javadoccomment"> * Parse a very long file upload by using a progress listener.</em><a name="57" href="#57">57</a> <em class="jxr_javadoccomment"> */</em><a name="58" href="#58">58</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testProgressListener() <strong class="jxr_keyword">throws</strong> Exception {<a name="59" href="#59">59</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> NUM_ITEMS = 512;<a name="60" href="#60">60</a> ByteArrayOutputStream baos = <strong class="jxr_keyword">new</strong> ByteArrayOutputStream();<a name="61" href="#61">61</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < NUM_ITEMS; i++) {<a name="62" href="#62">62</a> String header = <span class="jxr_string">"-----1234\r\n"</span><a name="63" href="#63">63</a> + <span class="jxr_string">"Content-Disposition: form-data; name=\"field"</span> + (i+1) + <span class="jxr_string">"\"\r\n"</span><a name="64" href="#64">64</a> + <span class="jxr_string">"\r\n"</span>;<a name="65" href="#65">65</a> baos.write(header.getBytes(<span class="jxr_string">"US-ASCII"</span>));<a name="66" href="#66">66</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> j = 0; j < 16384+i; j++) {<a name="67" href="#67">67</a> baos.write((byte) j);<a name="68" href="#68">68</a> }<a name="69" href="#69">69</a> baos.write(<span class="jxr_string">"\r\n"</span>.getBytes(<span class="jxr_string">"US-ASCII"</span>));<a name="70" href="#70">70</a> }<a name="71" href="#71">71</a> baos.write(<span class="jxr_string">"-----1234--\r\n"</span>.getBytes(<span class="jxr_string">"US-ASCII"</span>));<a name="72" href="#72">72</a> byte[] contents = baos.toByteArray();<a name="73" href="#73">73</a> <a name="74" href="#74">74</a> <a href="../../../../org/apache/commons/fileupload/MockHttpServletRequest.html">MockHttpServletRequest</a> request = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/commons/fileupload/MockHttpServletRequest.html">MockHttpServletRequest</a>(contents, <span class="jxr_string">"multipart/form-data; boundary=---1234"</span>);<a name="75" href="#75">75</a> runTest(NUM_ITEMS, contents.length, request);<a name="76" href="#76">76</a> request = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/commons/fileupload/MockHttpServletRequest.html">MockHttpServletRequest</a>(contents, <span class="jxr_string">"multipart/form-data; boundary=---1234"</span>){<a name="77" href="#77">77</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getContentLength() {<a name="78" href="#78">78</a> <strong class="jxr_keyword">return</strong> -1;<a name="79" href="#79">79</a> } <a name="80" href="#80">80</a> };<a name="81" href="#81">81</a> runTest(NUM_ITEMS, contents.length, request);<a name="82" href="#82">82</a> }<a name="83" href="#83">83</a> <a name="84" href="#84">84</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> runTest(<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> NUM_ITEMS, <strong class="jxr_keyword">long</strong> pContentLength, <a href="../../../../org/apache/commons/fileupload/MockHttpServletRequest.html">MockHttpServletRequest</a> request) <strong class="jxr_keyword">throws</strong> FileUploadException, IOException {<a name="85" href="#85">85</a> ServletFileUpload upload = <strong class="jxr_keyword">new</strong> ServletFileUpload();<a name="86" href="#86">86</a> <a href="../../../../org/apache/commons/fileupload/ProgressListenerTest.html">ProgressListenerImpl</a> listener = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/commons/fileupload/ProgressListenerTest.html">ProgressListenerImpl</a>(pContentLength, NUM_ITEMS);<a name="87" href="#87">87</a> upload.setProgressListener(listener);<a name="88" href="#88">88</a> FileItemIterator iter = upload.getItemIterator(request);<a name="89" href="#89">89</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < NUM_ITEMS; i++) {<a name="90" href="#90">90</a> FileItemStream stream = iter.next();<a name="91" href="#91">91</a> InputStream istream = stream.openStream();<a name="92" href="#92">92</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> j = 0; j < 16384+i; j++) {<a name="93" href="#93">93</a> <em class="jxr_javadoccomment">/**</em><a name="94" href="#94">94</a> <em class="jxr_javadoccomment"> * This used to be</em><a name="95" href="#95">95</a> <em class="jxr_javadoccomment"> * assertEquals((byte) j, (byte) istream.read());</em><a name="96" href="#96">96</a> <em class="jxr_javadoccomment"> * but this seems to trigger a bug in JRockit, so</em><a name="97" href="#97">97</a> <em class="jxr_javadoccomment"> * we express the same like this:</em><a name="98" href="#98">98</a> <em class="jxr_javadoccomment"> */</em><a name="99" href="#99">99</a> byte b1 = (byte) j;<a name="100" href="#100">100</a> byte b2 = (byte) istream.read();<a name="101" href="#101">101</a> <strong class="jxr_keyword">if</strong> (b1 != b2) {<a name="102" href="#102">102</a> fail(<span class="jxr_string">"Expected "</span> + b1 + <span class="jxr_string">", got "</span> + b2);<a name="103" href="#103">103</a> }<a name="104" href="#104">104</a> }<a name="105" href="#105">105</a> assertEquals(-1, istream.read());<a name="106" href="#106">106</a> }<a name="107" href="#107">107</a> assertTrue(!iter.hasNext());<a name="108" href="#108">108</a> listener.checkFinished();<a name="109" href="#109">109</a> }<a name="110" href="#110">110</a> }</pre><hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body></html>?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -