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javassist/html/javassist/ByteArrayClassPath.html

ByteArrayClassPath.html 14KB
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  1. <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

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  3. <html lang="en">

  4. <head>

  5. <!-- Generated by javadoc (10.0.1) on Thu Jun 21 01:52:55 JST 2018 -->

  6. <title>ByteArrayClassPath (Javassist API)</title>

  7. <meta http-equiv="Content-Type" content="text/html; charset=utf-8">

  8. <meta name="date" content="2018-06-21">

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  24.             parent.document.title="ByteArrayClassPath (Javassist API)";

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  29. //-->

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  117. <!-- ======== START OF CLASS DATA ======== -->

  118. <div class="header">

  119. <div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="../javassist/package-summary.html">javassist</a></div>

  120. <h2 title="Class ByteArrayClassPath" class="title">Class ByteArrayClassPath</h2>

  121. </div>

  122. <div class="contentContainer">

  123. <ul class="inheritance">

  124. <li>java.lang.Object</li>

  125. <li>

  126. <ul class="inheritance">

  127. <li>javassist.ByteArrayClassPath</li>

  128. </ul>

  129. </li>

  130. </ul>

  131. <div class="description">

  132. <ul class="blockList">

  133. <li class="blockList">

  134. <dl>

  135. <dt>All Implemented Interfaces:</dt>

  136. <dd><code><a href="../javassist/ClassPath.html" title="interface in javassist">ClassPath</a></code></dd>

  137. </dl>

  138. <hr>

  139. <pre>public class <span class="typeNameLabel">ByteArrayClassPath</span>

  140. extends java.lang.Object

  141. implements <a href="../javassist/ClassPath.html" title="interface in javassist">ClassPath</a></pre>

  142. <div class="block">A <code>ByteArrayClassPath</code> contains bytes that is served as

  143.  a class file to a <code>ClassPool</code>.  It is useful to convert

  144.  a byte array to a <code>CtClass</code> object.

  145. 

  146.  <p>For example, if you want to convert a byte array <code>b</code>

  147.  into a <code>CtClass</code> object representing the class with a name

  148.  <code>classname</code>, then do as following:

  149. 

  150.  <pre>

  151.  ClassPool cp = ClassPool.getDefault();

  152.  cp.insertClassPath(new ByteArrayClassPath(classname, b));

  153.  CtClass cc = cp.get(classname);

  154.  </pre>

  155. 

  156.  <p>The <code>ClassPool</code> object <code>cp</code> uses the created

  157.  <code>ByteArrayClassPath</code> object as the source of the class file.

  158. 

  159.  <p>A <code>ByteArrayClassPath</code> must be instantiated for every

  160.  class.  It contains only a single class file.</div>

  161. <dl>

  162. <dt><span class="seeLabel">See Also:</span></dt>

  163. <dd><a href="../javassist/ClassPath.html" title="interface in javassist"><code>ClassPath</code></a>, 

  164. <a href="../javassist/ClassPool.html#insertClassPath-javassist.ClassPath-"><code>ClassPool.insertClassPath(ClassPath)</code></a>, 

  165. <a href="../javassist/ClassPool.html#appendClassPath-javassist.ClassPath-"><code>ClassPool.appendClassPath(ClassPath)</code></a>, 

  166. <a href="../javassist/ClassPool.html#makeClass-java.io.InputStream-"><code>ClassPool.makeClass(InputStream)</code></a></dd>

  167. </dl>

  168. </li>

  169. </ul>

  170. </div>

  171. <div class="summary">

  172. <ul class="blockList">

  173. <li class="blockList">

  174. <!-- ======== CONSTRUCTOR SUMMARY ======== -->

  175. <ul class="blockList">

  176. <li class="blockList"><a name="constructor.summary">

  177. <!--   -->

  178. </a>

  179. <h3>Constructor Summary</h3>

  180. <table class="memberSummary" summary="Constructor Summary table, listing constructors, and an explanation">

  181. <caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>

  182. <tr>

  183. <th class="colFirst" scope="col">Constructor</th>

  184. <th class="colLast" scope="col">Description</th>

  185. </tr>

  186. <tr class="altColor">

  187. <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="../javassist/ByteArrayClassPath.html#ByteArrayClassPath-java.lang.String-byte:A-">ByteArrayClassPath</a></span>&#8203;(java.lang.String&nbsp;name,

  188.                   byte[]&nbsp;classfile)</code></th>

  189. <td class="colLast">&nbsp;</td>

  190. </tr>

  191. </table>

  192. </li>

  193. </ul>

  194. <!-- ========== METHOD SUMMARY =========== -->

  195. <ul class="blockList">

  196. <li class="blockList"><a name="method.summary">

  197. <!--   -->

  198. </a>

  199. <h3>Method Summary</h3>

  200. <table class="memberSummary" summary="Method Summary table, listing methods, and an explanation">

  201. <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>

  202. <tr>

  203. <th class="colFirst" scope="col">Modifier and Type</th>

  204. <th class="colSecond" scope="col">Method</th>

  205. <th class="colLast" scope="col">Description</th>

  206. </tr>

  207. <tr id="i0" class="altColor">

  208. <td class="colFirst"><code>java.net.URL</code></td>

  209. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../javassist/ByteArrayClassPath.html#find-java.lang.String-">find</a></span>&#8203;(java.lang.String&nbsp;classname)</code></th>

  210. <td class="colLast">

  211. <div class="block">Obtains the URL.</div>

  212. </td>

  213. </tr>

  214. <tr id="i1" class="rowColor">

  215. <td class="colFirst"><code>java.io.InputStream</code></td>

  216. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../javassist/ByteArrayClassPath.html#openClassfile-java.lang.String-">openClassfile</a></span>&#8203;(java.lang.String&nbsp;classname)</code></th>

  217. <td class="colLast">

  218. <div class="block">Opens the class file.</div>

  219. </td>

  220. </tr>

  221. <tr id="i2" class="altColor">

  222. <td class="colFirst"><code>java.lang.String</code></td>

  223. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../javassist/ByteArrayClassPath.html#toString--">toString</a></span>()</code></th>

  224. <td class="colLast">&nbsp;</td>

  225. </tr>

  226. </table>

  227. <ul class="blockList">

  228. <li class="blockList"><a name="methods.inherited.from.class.java.lang.Object">

  229. <!--   -->

  230. </a>

  231. <h3>Methods inherited from class&nbsp;java.lang.Object</h3>

  232. <code>equals, getClass, hashCode, notify, notifyAll, wait, wait, wait</code></li>

  233. </ul>

  234. </li>

  235. </ul>

  236. </li>

  237. </ul>

  238. </div>

  239. <div class="details">

  240. <ul class="blockList">

  241. <li class="blockList">

  242. <!-- ========= CONSTRUCTOR DETAIL ======== -->

  243. <ul class="blockList">

  244. <li class="blockList"><a name="constructor.detail">

  245. <!--   -->

  246. </a>

  247. <h3>Constructor Detail</h3>

  248. <a name="ByteArrayClassPath-java.lang.String-byte:A-">

  249. <!--   -->

  250. </a>

  251. <ul class="blockListLast">

  252. <li class="blockList">

  253. <h4>ByteArrayClassPath</h4>

  254. <pre>public&nbsp;ByteArrayClassPath&#8203;(java.lang.String&nbsp;name,

  255.                           byte[]&nbsp;classfile)</pre>

  256. </li>

  257. </ul>

  258. </li>

  259. </ul>

  260. <!-- ============ METHOD DETAIL ========== -->

  261. <ul class="blockList">

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  266. <a name="toString--">

  267. <!--   -->

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  269. <ul class="blockList">

  270. <li class="blockList">

  271. <h4>toString</h4>

  272. <pre>public&nbsp;java.lang.String&nbsp;toString()</pre>

  273. <dl>

  274. <dt><span class="overrideSpecifyLabel">Overrides:</span></dt>

  275. <dd><code>toString</code>&nbsp;in class&nbsp;<code>java.lang.Object</code></dd>

  276. </dl>

  277. </li>

  278. </ul>

  279. <a name="openClassfile-java.lang.String-">

  280. <!--   -->

  281. </a>

  282. <ul class="blockList">

  283. <li class="blockList">

  284. <h4>openClassfile</h4>

  285. <pre>public&nbsp;java.io.InputStream&nbsp;openClassfile&#8203;(java.lang.String&nbsp;classname)</pre>

  286. <div class="block">Opens the class file.</div>

  287. <dl>

  288. <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>

  289. <dd><code><a href="../javassist/ClassPath.html#openClassfile-java.lang.String-">openClassfile</a></code>&nbsp;in interface&nbsp;<code><a href="../javassist/ClassPath.html" title="interface in javassist">ClassPath</a></code></dd>

  290. <dt><span class="paramLabel">Parameters:</span></dt>

  291. <dd><code>classname</code> - a fully-qualified class name</dd>

  292. <dt><span class="returnLabel">Returns:</span></dt>

  293. <dd>the input stream for reading a class file</dd>

  294. <dt><span class="seeLabel">See Also:</span></dt>

  295. <dd><a href="../javassist/Translator.html" title="interface in javassist"><code>Translator</code></a></dd>

  296. </dl>

  297. </li>

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  299. <a name="find-java.lang.String-">

  300. <!--   -->

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  303. <li class="blockList">

  304. <h4>find</h4>

  305. <pre>public&nbsp;java.net.URL&nbsp;find&#8203;(java.lang.String&nbsp;classname)</pre>

  306. <div class="block">Obtains the URL.</div>

  307. <dl>

  308. <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>

  309. <dd><code><a href="../javassist/ClassPath.html#find-java.lang.String-">find</a></code>&nbsp;in interface&nbsp;<code><a href="../javassist/ClassPath.html" title="interface in javassist">ClassPath</a></code></dd>

  310. <dt><span class="paramLabel">Parameters:</span></dt>

  311. <dd><code>classname</code> - a fully-qualified class name.</dd>

  312. <dt><span class="returnLabel">Returns:</span></dt>

  313. <dd>null if the specified class file could not be found.</dd>

  314. </dl>

  315. </li>

  316. </ul>

  317. </li>

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  334. <li><a href="package-summary.html">Package</a></li>

  335. <li class="navBarCell1Rev">Class</li>

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  368. </div>

  369. <div>

  370. <ul class="subNavList">

  371. <li>Summary:&nbsp;</li>

  372. <li>Nested&nbsp;|&nbsp;</li>

  373. <li>Field&nbsp;|&nbsp;</li>

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  378. <li>Detail:&nbsp;</li>

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  385. <!--   -->

  386. </a></div>

  387. <!-- ======== END OF BOTTOM NAVBAR ======= -->

  388. <p class="legalCopy"><small><i>Javassist, a Java-bytecode translator toolkit.<br>

  389. Copyright (C) 1999- Shigeru Chiba. All Rights Reserved.</i></small></p>

  390. </body>

  391. </html>