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javassist/html/javassist/CtBehavior.html

CtBehavior.html 60KB
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  1. <!DOCTYPE HTML>

  2. <!-- NewPage -->

  3. <html lang="en">

  4. <head>

  5. <!-- Generated by javadoc (11) on Sat May 08 11:16:00 JST 2021 -->

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

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

  8. <meta name="dc.created" content="2021-05-08">

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  22. <script type="text/javascript"><!--

  23.     try {

  24.         if (location.href.indexOf('is-external=true') == -1) {

  25.             parent.document.title="CtBehavior (Javassist API)";

  26.         }

  27.     }

  28.     catch(err) {

  29.     }

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  33. var altColor = "altColor";

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  35. var tableTab = "tableTab";

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

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

  58. <li><a href="class-use/CtBehavior.html">Use</a></li>

  59. <li><a href="package-tree.html">Tree</a></li>

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  88. </div>

  89. <div>

  90. <ul class="subNavList">

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

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

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

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  118. <div class="header">

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

  120. <h2 title="Class CtBehavior" class="title">Class CtBehavior</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><a href="CtMember.html" title="class in javassist">javassist.CtMember</a></li>

  128. <li>

  129. <ul class="inheritance">

  130. <li>javassist.CtBehavior</li>

  131. </ul>

  132. </li>

  133. </ul>

  134. </li>

  135. </ul>

  136. <div class="description">

  137. <ul class="blockList">

  138. <li class="blockList">

  139. <dl>

  140. <dt>Direct Known Subclasses:</dt>

  141. <dd><code><a href="CtConstructor.html" title="class in javassist">CtConstructor</a></code>, <code><a href="CtMethod.html" title="class in javassist">CtMethod</a></code></dd>

  142. </dl>

  143. <hr>

  144. <pre>public abstract class <span class="typeNameLabel">CtBehavior</span>

  145. extends <a href="CtMember.html" title="class in javassist">CtMember</a></pre>

  146. <div class="block"><code>CtBehavior</code> represents a method, a constructor,

  147.  or a static constructor (class initializer). 

  148.  It is the abstract super class of

  149.  <code>CtMethod</code> and <code>CtConstructor</code>.

  150. 

  151.  <p>To directly read or modify bytecode, obtain <code>MethodInfo</code>

  152.  objects.</div>

  153. <dl>

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

  155. <dd><a href="#getMethodInfo()"><code>getMethodInfo()</code></a></dd>

  156. </dl>

  157. </li>

  158. </ul>

  159. </div>

  160. <div class="summary">

  161. <ul class="blockList">

  162. <li class="blockList">

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

  164. <section role="region">

  165. <ul class="blockList">

  166. <li class="blockList"><a id="method.summary">

  167. <!--   -->

  168. </a>

  169. <h3>Method Summary</h3>

  170. <table class="memberSummary">

  171. <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="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract 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>

  172. <tr>

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

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

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

  176. </tr>

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

  178. <td class="colFirst"><code>void</code></td>

  179. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#addCatch(java.lang.String,javassist.CtClass)">addCatch</a></span>&#8203;(java.lang.String&nbsp;src,

  180.         <a href="CtClass.html" title="class in javassist">CtClass</a>&nbsp;exceptionType)</code></th>

  181. <td class="colLast">

  182. <div class="block">Adds a catch clause that handles an exception thrown in the

  183.  body.</div>

  184. </td>

  185. </tr>

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

  187. <td class="colFirst"><code>void</code></td>

  188. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#addCatch(java.lang.String,javassist.CtClass,java.lang.String)">addCatch</a></span>&#8203;(java.lang.String&nbsp;src,

  189.         <a href="CtClass.html" title="class in javassist">CtClass</a>&nbsp;exceptionType,

  190.         java.lang.String&nbsp;exceptionName)</code></th>

  191. <td class="colLast">

  192. <div class="block">Adds a catch clause that handles an exception thrown in the

  193.  body.</div>

  194. </td>

  195. </tr>

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

  197. <td class="colFirst"><code>void</code></td>

  198. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#addLocalVariable(java.lang.String,javassist.CtClass)">addLocalVariable</a></span>&#8203;(java.lang.String&nbsp;name,

  199.                 <a href="CtClass.html" title="class in javassist">CtClass</a>&nbsp;type)</code></th>

  200. <td class="colLast">

  201. <div class="block">Declares a new local variable.</div>

  202. </td>

  203. </tr>

  204. <tr id="i3" class="rowColor">

  205. <td class="colFirst"><code>void</code></td>

  206. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#addParameter(javassist.CtClass)">addParameter</a></span>&#8203;(<a href="CtClass.html" title="class in javassist">CtClass</a>&nbsp;type)</code></th>

  207. <td class="colLast">

  208. <div class="block">Appends a new parameter, which becomes the last parameter.</div>

  209. </td>

  210. </tr>

  211. <tr id="i4" class="altColor">

  212. <td class="colFirst"><code>java.lang.Object</code></td>

  213. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getAnnotation(java.lang.Class)">getAnnotation</a></span>&#8203;(java.lang.Class&lt;?&gt;&nbsp;clz)</code></th>

  214. <td class="colLast">

  215. <div class="block">Returns the annotation if the class has the specified annotation class.</div>

  216. </td>

  217. </tr>

  218. <tr id="i5" class="rowColor">

  219. <td class="colFirst"><code>java.lang.Object[]</code></td>

  220. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getAnnotations()">getAnnotations</a></span>()</code></th>

  221. <td class="colLast">

  222. <div class="block">Returns the annotations associated with this method or constructor.</div>

  223. </td>

  224. </tr>

  225. <tr id="i6" class="altColor">

  226. <td class="colFirst"><code>byte[]</code></td>

  227. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getAttribute(java.lang.String)">getAttribute</a></span>&#8203;(java.lang.String&nbsp;name)</code></th>

  228. <td class="colLast">

  229. <div class="block">Obtains an attribute with the given name.</div>

  230. </td>

  231. </tr>

  232. <tr id="i7" class="rowColor">

  233. <td class="colFirst"><code>java.lang.Object[]</code></td>

  234. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getAvailableAnnotations()">getAvailableAnnotations</a></span>()</code></th>

  235. <td class="colLast">

  236. <div class="block">Returns the annotations associated with this method or constructor.</div>

  237. </td>

  238. </tr>

  239. <tr id="i8" class="altColor">

  240. <td class="colFirst"><code>java.lang.Object[][]</code></td>

  241. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getAvailableParameterAnnotations()">getAvailableParameterAnnotations</a></span>()</code></th>

  242. <td class="colLast">

  243. <div class="block">Returns the parameter annotations associated with this method or constructor.</div>

  244. </td>

  245. </tr>

  246. <tr id="i9" class="rowColor">

  247. <td class="colFirst"><code><a href="CtClass.html" title="class in javassist">CtClass</a>[]</code></td>

  248. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getExceptionTypes()">getExceptionTypes</a></span>()</code></th>

  249. <td class="colLast">

  250. <div class="block">Obtains exceptions that this method/constructor may throw.</div>

  251. </td>

  252. </tr>

  253. <tr id="i10" class="altColor">

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

  255. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getGenericSignature()">getGenericSignature</a></span>()</code></th>

  256. <td class="colLast">

  257. <div class="block">Returns the generic signature of the method.</div>

  258. </td>

  259. </tr>

  260. <tr id="i11" class="rowColor">

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

  262. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getLongName()">getLongName</a></span>()</code></th>

  263. <td class="colLast">

  264. <div class="block">Returns the method or constructor name followed by parameter types

  265.  such as <code>javassist.CtBehavior.stBody(String)</code>.</div>

  266. </td>

  267. </tr>

  268. <tr id="i12" class="altColor">

  269. <td class="colFirst"><code><a href="bytecode/MethodInfo.html" title="class in javassist.bytecode">MethodInfo</a></code></td>

  270. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getMethodInfo()">getMethodInfo</a></span>()</code></th>

  271. <td class="colLast">

  272. <div class="block">Returns the <code>MethodInfo</code> representing this method/constructor in the

  273.  class file.</div>

  274. </td>

  275. </tr>

  276. <tr id="i13" class="rowColor">

  277. <td class="colFirst"><code><a href="bytecode/MethodInfo.html" title="class in javassist.bytecode">MethodInfo</a></code></td>

  278. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getMethodInfo2()">getMethodInfo2</a></span>()</code></th>

  279. <td class="colLast">

  280. <div class="block">Returns the <code>MethodInfo</code> representing the method/constructor in the

  281.  class file (read only).</div>

  282. </td>

  283. </tr>

  284. <tr id="i14" class="altColor">

  285. <td class="colFirst"><code>int</code></td>

  286. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getModifiers()">getModifiers</a></span>()</code></th>

  287. <td class="colLast">

  288. <div class="block">Obtains the modifiers of the method/constructor.</div>

  289. </td>

  290. </tr>

  291. <tr id="i15" class="rowColor">

  292. <td class="colFirst"><code>java.lang.Object[][]</code></td>

  293. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getParameterAnnotations()">getParameterAnnotations</a></span>()</code></th>

  294. <td class="colLast">

  295. <div class="block">Returns the parameter annotations associated with this method or constructor.</div>

  296. </td>

  297. </tr>

  298. <tr id="i16" class="altColor">

  299. <td class="colFirst"><code><a href="CtClass.html" title="class in javassist">CtClass</a>[]</code></td>

  300. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getParameterTypes()">getParameterTypes</a></span>()</code></th>

  301. <td class="colLast">

  302. <div class="block">Obtains parameter types of this method/constructor.</div>

  303. </td>

  304. </tr>

  305. <tr id="i17" class="rowColor">

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

  307. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSignature()">getSignature</a></span>()</code></th>

  308. <td class="colLast">

  309. <div class="block">Returns the method signature (the parameter types

  310.  and the return type).</div>

  311. </td>

  312. </tr>

  313. <tr id="i18" class="altColor">

  314. <td class="colFirst"><code>boolean</code></td>

  315. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#hasAnnotation(java.lang.String)">hasAnnotation</a></span>&#8203;(java.lang.String&nbsp;typeName)</code></th>

  316. <td class="colLast">

  317. <div class="block">Returns true if the class has the specified annotation type.</div>

  318. </td>

  319. </tr>

  320. <tr id="i19" class="rowColor">

  321. <td class="colFirst"><code>void</code></td>

  322. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#insertAfter(java.lang.String)">insertAfter</a></span>&#8203;(java.lang.String&nbsp;src)</code></th>

  323. <td class="colLast">

  324. <div class="block">Inserts bytecode at the end of the body.</div>

  325. </td>

  326. </tr>

  327. <tr id="i20" class="altColor">

  328. <td class="colFirst"><code>void</code></td>

  329. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#insertAfter(java.lang.String,boolean)">insertAfter</a></span>&#8203;(java.lang.String&nbsp;src,

  330.            boolean&nbsp;asFinally)</code></th>

  331. <td class="colLast">

  332. <div class="block">Inserts bytecode at the end of the body.</div>

  333. </td>

  334. </tr>

  335. <tr id="i21" class="rowColor">

  336. <td class="colFirst"><code>void</code></td>

  337. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#insertAfter(java.lang.String,boolean,boolean)">insertAfter</a></span>&#8203;(java.lang.String&nbsp;src,

  338.            boolean&nbsp;asFinally,

  339.            boolean&nbsp;redundant)</code></th>

  340. <td class="colLast">

  341. <div class="block">Inserts bytecode at the end of the body.</div>

  342. </td>

  343. </tr>

  344. <tr id="i22" class="altColor">

  345. <td class="colFirst"><code>int</code></td>

  346. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#insertAt(int,boolean,java.lang.String)">insertAt</a></span>&#8203;(int&nbsp;lineNum,

  347.         boolean&nbsp;modify,

  348.         java.lang.String&nbsp;src)</code></th>

  349. <td class="colLast">

  350. <div class="block">Inserts bytecode at the specified line in the body.</div>

  351. </td>

  352. </tr>

  353. <tr id="i23" class="rowColor">

  354. <td class="colFirst"><code>int</code></td>

  355. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#insertAt(int,java.lang.String)">insertAt</a></span>&#8203;(int&nbsp;lineNum,

  356.         java.lang.String&nbsp;src)</code></th>

  357. <td class="colLast">

  358. <div class="block">Inserts bytecode at the specified line in the body.</div>

  359. </td>

  360. </tr>

  361. <tr id="i24" class="altColor">

  362. <td class="colFirst"><code>void</code></td>

  363. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#insertBefore(java.lang.String)">insertBefore</a></span>&#8203;(java.lang.String&nbsp;src)</code></th>

  364. <td class="colLast">

  365. <div class="block">Inserts bytecode at the beginning of the body.</div>

  366. </td>

  367. </tr>

  368. <tr id="i25" class="rowColor">

  369. <td class="colFirst"><code>void</code></td>

  370. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#insertParameter(javassist.CtClass)">insertParameter</a></span>&#8203;(<a href="CtClass.html" title="class in javassist">CtClass</a>&nbsp;type)</code></th>

  371. <td class="colLast">

  372. <div class="block">Inserts a new parameter, which becomes the first parameter.</div>

  373. </td>

  374. </tr>

  375. <tr id="i26" class="altColor">

  376. <td class="colFirst"><code>void</code></td>

  377. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#instrument(javassist.CodeConverter)">instrument</a></span>&#8203;(<a href="CodeConverter.html" title="class in javassist">CodeConverter</a>&nbsp;converter)</code></th>

  378. <td class="colLast">

  379. <div class="block">Modifies the method/constructor body.</div>

  380. </td>

  381. </tr>

  382. <tr id="i27" class="rowColor">

  383. <td class="colFirst"><code>void</code></td>

  384. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#instrument(javassist.expr.ExprEditor)">instrument</a></span>&#8203;(<a href="expr/ExprEditor.html" title="class in javassist.expr">ExprEditor</a>&nbsp;editor)</code></th>

  385. <td class="colLast">

  386. <div class="block">Modifies the method/constructor body.</div>

  387. </td>

  388. </tr>

  389. <tr id="i28" class="altColor">

  390. <td class="colFirst"><code>abstract boolean</code></td>

  391. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isEmpty()">isEmpty</a></span>()</code></th>

  392. <td class="colLast">

  393. <div class="block">Returns true if the body is empty.</div>

  394. </td>

  395. </tr>

  396. <tr id="i29" class="rowColor">

  397. <td class="colFirst"><code>void</code></td>

  398. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setAttribute(java.lang.String,byte%5B%5D)">setAttribute</a></span>&#8203;(java.lang.String&nbsp;name,

  399.             byte[]&nbsp;data)</code></th>

  400. <td class="colLast">

  401. <div class="block">Adds an attribute.</div>

  402. </td>

  403. </tr>

  404. <tr id="i30" class="altColor">

  405. <td class="colFirst"><code>void</code></td>

  406. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setBody(java.lang.String)">setBody</a></span>&#8203;(java.lang.String&nbsp;src)</code></th>

  407. <td class="colLast">

  408. <div class="block">Sets a method/constructor body.</div>

  409. </td>

  410. </tr>

  411. <tr id="i31" class="rowColor">

  412. <td class="colFirst"><code>void</code></td>

  413. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setBody(java.lang.String,java.lang.String,java.lang.String)">setBody</a></span>&#8203;(java.lang.String&nbsp;src,

  414.        java.lang.String&nbsp;delegateObj,

  415.        java.lang.String&nbsp;delegateMethod)</code></th>

  416. <td class="colLast">

  417. <div class="block">Sets a method/constructor body.</div>

  418. </td>

  419. </tr>

  420. <tr id="i32" class="altColor">

  421. <td class="colFirst"><code>void</code></td>

  422. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setExceptionTypes(javassist.CtClass%5B%5D)">setExceptionTypes</a></span>&#8203;(<a href="CtClass.html" title="class in javassist">CtClass</a>[]&nbsp;types)</code></th>

  423. <td class="colLast">

  424. <div class="block">Sets exceptions that this method/constructor may throw.</div>

  425. </td>

  426. </tr>

  427. <tr id="i33" class="rowColor">

  428. <td class="colFirst"><code>void</code></td>

  429. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setGenericSignature(java.lang.String)">setGenericSignature</a></span>&#8203;(java.lang.String&nbsp;sig)</code></th>

  430. <td class="colLast">

  431. <div class="block">Set the generic signature of the method.</div>

  432. </td>

  433. </tr>

  434. <tr id="i34" class="altColor">

  435. <td class="colFirst"><code>void</code></td>

  436. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setModifiers(int)">setModifiers</a></span>&#8203;(int&nbsp;mod)</code></th>

  437. <td class="colLast">

  438. <div class="block">Sets the encoded modifiers of the method/constructor.</div>

  439. </td>

  440. </tr>

  441. <tr id="i35" class="rowColor">

  442. <td class="colFirst"><code>void</code></td>

  443. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#useCflow(java.lang.String)">useCflow</a></span>&#8203;(java.lang.String&nbsp;name)</code></th>

  444. <td class="colLast">

  445. <div class="block">Declares to use <code>$cflow</code> for this method/constructor.</div>

  446. </td>

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  450. <li class="blockList"><a id="methods.inherited.from.class.javassist.CtMember">

  451. <!--   -->

  452. </a>

  453. <h3>Methods inherited from class&nbsp;javassist.<a href="CtMember.html" title="class in javassist">CtMember</a></h3>

  454. <code><a href="CtMember.html#getDeclaringClass()">getDeclaringClass</a>, <a href="CtMember.html#getName()">getName</a>, <a href="CtMember.html#hasAnnotation(java.lang.Class)">hasAnnotation</a>, <a href="CtMember.html#toString()">toString</a>, <a href="CtMember.html#visibleFrom(javassist.CtClass)">visibleFrom</a></code></li>

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  457. <li class="blockList"><a id="methods.inherited.from.class.java.lang.Object">

  458. <!--   -->

  459. </a>

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

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

  462. </ul>

  463. </li>

  464. </ul>

  465. </section>

  466. </li>

  467. </ul>

  468. </div>

  469. <div class="details">

  470. <ul class="blockList">

  471. <li class="blockList">

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  473. <section role="region">

  474. <ul class="blockList">

  475. <li class="blockList"><a id="method.detail">

  476. <!--   -->

  477. </a>

  478. <h3>Method Detail</h3>

  479. <a id="getLongName()">

  480. <!--   -->

  481. </a>

  482. <ul class="blockList">

  483. <li class="blockList">

  484. <h4>getLongName</h4>

  485. <pre class="methodSignature">public abstract&nbsp;java.lang.String&nbsp;getLongName()</pre>

  486. <div class="block">Returns the method or constructor name followed by parameter types

  487.  such as <code>javassist.CtBehavior.stBody(String)</code>.</div>

  488. <dl>

  489. <dt><span class="simpleTagLabel">Since:</span></dt>

  490. <dd>3.5</dd>

  491. </dl>

  492. </li>

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  495. <!--   -->

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  497. <ul class="blockList">

  498. <li class="blockList">

  499. <h4>getMethodInfo</h4>

  500. <pre class="methodSignature">public&nbsp;<a href="bytecode/MethodInfo.html" title="class in javassist.bytecode">MethodInfo</a>&nbsp;getMethodInfo()</pre>

  501. <div class="block">Returns the <code>MethodInfo</code> representing this method/constructor in the

  502.  class file.

  503. 

  504.  <p>If you modify the bytecode through the returned

  505.  <code>MethodInfo</code> object, you might have to explicitly

  506.  rebuild a stack map table.  Javassist does not automatically

  507.  rebuild it for avoiding unnecessary rebuilding.</div>

  508. <dl>

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

  510. <dd><a href="bytecode/MethodInfo.html#rebuildStackMap(javassist.ClassPool)"><code>MethodInfo.rebuildStackMap(ClassPool)</code></a></dd>

  511. </dl>

  512. </li>

  513. </ul>

  514. <a id="getMethodInfo2()">

  515. <!--   -->

  516. </a>

  517. <ul class="blockList">

  518. <li class="blockList">

  519. <h4>getMethodInfo2</h4>

  520. <pre class="methodSignature">public&nbsp;<a href="bytecode/MethodInfo.html" title="class in javassist.bytecode">MethodInfo</a>&nbsp;getMethodInfo2()</pre>

  521. <div class="block">Returns the <code>MethodInfo</code> representing the method/constructor in the

  522.  class file (read only).

  523.  Normal applications do not need calling this method.  Use

  524.  <code>getMethodInfo()</code>.

  525. 

  526.  <p>The <code>MethodInfo</code> object obtained by this method

  527.  is read only.  Changes to this object might not be reflected

  528.  on a class file generated by <code>toBytecode()</code>,

  529.  <code>toClass()</code>, etc in <code>CtClass</code>.

  530. 

  531.  <p>This method is available even if the <code>CtClass</code>

  532.  containing this method is frozen.  However, if the class is

  533.  frozen, the <code>MethodInfo</code> might be also pruned.</div>

  534. <dl>

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

  536. <dd><a href="#getMethodInfo()"><code>getMethodInfo()</code></a>, 

  537. <a href="CtClass.html#isFrozen()"><code>CtClass.isFrozen()</code></a>, 

  538. <a href="CtClass.html#prune()"><code>CtClass.prune()</code></a></dd>

  539. </dl>

  540. </li>

  541. </ul>

  542. <a id="getModifiers()">

  543. <!--   -->

  544. </a>

  545. <ul class="blockList">

  546. <li class="blockList">

  547. <h4>getModifiers</h4>

  548. <pre class="methodSignature">public&nbsp;int&nbsp;getModifiers()</pre>

  549. <div class="block">Obtains the modifiers of the method/constructor.</div>

  550. <dl>

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

  552. <dd><code><a href="CtMember.html#getModifiers()">getModifiers</a></code>&nbsp;in class&nbsp;<code><a href="CtMember.html" title="class in javassist">CtMember</a></code></dd>

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

  554. <dd>modifiers encoded with

  555.                   <code>javassist.Modifier</code>.</dd>

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

  557. <dd><a href="Modifier.html" title="class in javassist"><code>Modifier</code></a></dd>

  558. </dl>

  559. </li>

  560. </ul>

  561. <a id="setModifiers(int)">

  562. <!--   -->

  563. </a>

  564. <ul class="blockList">

  565. <li class="blockList">

  566. <h4>setModifiers</h4>

  567. <pre class="methodSignature">public&nbsp;void&nbsp;setModifiers&#8203;(int&nbsp;mod)</pre>

  568. <div class="block">Sets the encoded modifiers of the method/constructor.

  569. 

  570.  <p>Changing the modifiers may cause a problem.

  571.  For example, if a non-static method is changed to static,

  572.  the method will be rejected by the bytecode verifier.</div>

  573. <dl>

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

  575. <dd><code><a href="CtMember.html#setModifiers(int)">setModifiers</a></code>&nbsp;in class&nbsp;<code><a href="CtMember.html" title="class in javassist">CtMember</a></code></dd>

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

  577. <dd><a href="Modifier.html" title="class in javassist"><code>Modifier</code></a></dd>

  578. </dl>

  579. </li>

  580. </ul>

  581. <a id="hasAnnotation(java.lang.String)">

  582. <!--   -->

  583. </a>

  584. <ul class="blockList">

  585. <li class="blockList">

  586. <h4>hasAnnotation</h4>

  587. <pre class="methodSignature">public&nbsp;boolean&nbsp;hasAnnotation&#8203;(java.lang.String&nbsp;typeName)</pre>

  588. <div class="block">Returns true if the class has the specified annotation type.</div>

  589. <dl>

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

  591. <dd><code><a href="CtMember.html#hasAnnotation(java.lang.String)">hasAnnotation</a></code>&nbsp;in class&nbsp;<code><a href="CtMember.html" title="class in javassist">CtMember</a></code></dd>

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

  593. <dd><code>typeName</code> - the name of annotation type.</dd>

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

  595. <dd><code>true</code> if the annotation is found,

  596.          otherwise <code>false</code>.</dd>

  597. <dt><span class="simpleTagLabel">Since:</span></dt>

  598. <dd>3.21</dd>

  599. </dl>

  600. </li>

  601. </ul>

  602. <a id="getAnnotation(java.lang.Class)">

  603. <!--   -->

  604. </a>

  605. <ul class="blockList">

  606. <li class="blockList">

  607. <h4>getAnnotation</h4>

  608. <pre class="methodSignature">public&nbsp;java.lang.Object&nbsp;getAnnotation&#8203;(java.lang.Class&lt;?&gt;&nbsp;clz)

  609.                                throws java.lang.ClassNotFoundException</pre>

  610. <div class="block">Returns the annotation if the class has the specified annotation class.

  611.  For example, if an annotation <code>@Author</code> is associated

  612.  with this method/constructor, an <code>Author</code> object is returned.

  613.  The member values can be obtained by calling methods on

  614.  the <code>Author</code> object.</div>

  615. <dl>

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

  617. <dd><code><a href="CtMember.html#getAnnotation(java.lang.Class)">getAnnotation</a></code>&nbsp;in class&nbsp;<code><a href="CtMember.html" title="class in javassist">CtMember</a></code></dd>

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

  619. <dd><code>clz</code> - the annotation class.</dd>

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

  621. <dd>the annotation if found, otherwise <code>null</code>.</dd>

  622. <dt><span class="throwsLabel">Throws:</span></dt>

  623. <dd><code>java.lang.ClassNotFoundException</code></dd>

  624. <dt><span class="simpleTagLabel">Since:</span></dt>

  625. <dd>3.11</dd>

  626. </dl>

  627. </li>

  628. </ul>

  629. <a id="getAnnotations()">

  630. <!--   -->

  631. </a>

  632. <ul class="blockList">

  633. <li class="blockList">

  634. <h4>getAnnotations</h4>

  635. <pre class="methodSignature">public&nbsp;java.lang.Object[]&nbsp;getAnnotations()

  636.                                   throws java.lang.ClassNotFoundException</pre>

  637. <div class="block">Returns the annotations associated with this method or constructor.</div>

  638. <dl>

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

  640. <dd><code><a href="CtMember.html#getAnnotations()">getAnnotations</a></code>&nbsp;in class&nbsp;<code><a href="CtMember.html" title="class in javassist">CtMember</a></code></dd>

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

  642. <dd>an array of annotation-type objects.</dd>

  643. <dt><span class="throwsLabel">Throws:</span></dt>

  644. <dd><code>java.lang.ClassNotFoundException</code></dd>

  645. <dt><span class="simpleTagLabel">Since:</span></dt>

  646. <dd>3.1</dd>

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

  648. <dd><a href="#getAvailableAnnotations()"><code>getAvailableAnnotations()</code></a></dd>

  649. </dl>

  650. </li>

  651. </ul>

  652. <a id="getAvailableAnnotations()">

  653. <!--   -->

  654. </a>

  655. <ul class="blockList">

  656. <li class="blockList">

  657. <h4>getAvailableAnnotations</h4>

  658. <pre class="methodSignature">public&nbsp;java.lang.Object[]&nbsp;getAvailableAnnotations()</pre>

  659. <div class="block">Returns the annotations associated with this method or constructor.

  660.  If any annotations are not on the classpath, they are not included

  661.  in the returned array.</div>

  662. <dl>

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

  664. <dd><code><a href="CtMember.html#getAvailableAnnotations()">getAvailableAnnotations</a></code>&nbsp;in class&nbsp;<code><a href="CtMember.html" title="class in javassist">CtMember</a></code></dd>

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

  666. <dd>an array of annotation-type objects.</dd>

  667. <dt><span class="simpleTagLabel">Since:</span></dt>

  668. <dd>3.3</dd>

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

  670. <dd><a href="#getAnnotations()"><code>getAnnotations()</code></a></dd>

  671. </dl>

  672. </li>

  673. </ul>

  674. <a id="getParameterAnnotations()">

  675. <!--   -->

  676. </a>

  677. <ul class="blockList">

  678. <li class="blockList">

  679. <h4>getParameterAnnotations</h4>

  680. <pre class="methodSignature">public&nbsp;java.lang.Object[][]&nbsp;getParameterAnnotations()

  681.                                              throws java.lang.ClassNotFoundException</pre>

  682. <div class="block">Returns the parameter annotations associated with this method or constructor.</div>

  683. <dl>

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

  685. <dd>an array of annotation-type objects.  The length of the returned array is

  686.  equal to the number of the formal parameters.  If each parameter has no

  687.  annotation, the elements of the returned array are empty arrays.</dd>

  688. <dt><span class="throwsLabel">Throws:</span></dt>

  689. <dd><code>java.lang.ClassNotFoundException</code></dd>

  690. <dt><span class="simpleTagLabel">Since:</span></dt>

  691. <dd>3.1</dd>

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

  693. <dd><a href="#getAvailableParameterAnnotations()"><code>getAvailableParameterAnnotations()</code></a>, 

  694. <a href="#getAnnotations()"><code>getAnnotations()</code></a></dd>

  695. </dl>

  696. </li>

  697. </ul>

  698. <a id="getAvailableParameterAnnotations()">

  699. <!--   -->

  700. </a>

  701. <ul class="blockList">

  702. <li class="blockList">

  703. <h4>getAvailableParameterAnnotations</h4>

  704. <pre class="methodSignature">public&nbsp;java.lang.Object[][]&nbsp;getAvailableParameterAnnotations()</pre>

  705. <div class="block">Returns the parameter annotations associated with this method or constructor.

  706.  If any annotations are not on the classpath, they are not included in the

  707.  returned array.</div>

  708. <dl>

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

  710. <dd>an array of annotation-type objects.  The length of the returned array is

  711.  equal to the number of the formal parameters.  If each parameter has no

  712.  annotation, the elements of the returned array are empty arrays.</dd>

  713. <dt><span class="simpleTagLabel">Since:</span></dt>

  714. <dd>3.3</dd>

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

  716. <dd><a href="#getParameterAnnotations()"><code>getParameterAnnotations()</code></a>, 

  717. <a href="#getAvailableAnnotations()"><code>getAvailableAnnotations()</code></a></dd>

  718. </dl>

  719. </li>

  720. </ul>

  721. <a id="getParameterTypes()">

  722. <!--   -->

  723. </a>

  724. <ul class="blockList">

  725. <li class="blockList">

  726. <h4>getParameterTypes</h4>

  727. <pre class="methodSignature">public&nbsp;<a href="CtClass.html" title="class in javassist">CtClass</a>[]&nbsp;getParameterTypes()

  728.                             throws <a href="NotFoundException.html" title="class in javassist">NotFoundException</a></pre>

  729. <div class="block">Obtains parameter types of this method/constructor.</div>

  730. <dl>

  731. <dt><span class="throwsLabel">Throws:</span></dt>

  732. <dd><code><a href="NotFoundException.html" title="class in javassist">NotFoundException</a></code></dd>

  733. </dl>

  734. </li>

  735. </ul>

  736. <a id="getSignature()">

  737. <!--   -->

  738. </a>

  739. <ul class="blockList">

  740. <li class="blockList">

  741. <h4>getSignature</h4>

  742. <pre class="methodSignature">public&nbsp;java.lang.String&nbsp;getSignature()</pre>

  743. <div class="block">Returns the method signature (the parameter types

  744.  and the return type).

  745.  The method signature is represented by a character string

  746.  called method descriptor, which is defined in the JVM specification.

  747.  If two methods/constructors have

  748.  the same parameter types

  749.  and the return type, <code>getSignature()</code> returns the

  750.  same string (the return type of constructors is <code>void</code>).

  751. 

  752.  <p>Note that the returned string is not the type signature

  753.  contained in the <code>SignatureAttirbute</code>.  It is

  754.  a descriptor.</div>

  755. <dl>

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

  757. <dd><code><a href="CtMember.html#getSignature()">getSignature</a></code>&nbsp;in class&nbsp;<code><a href="CtMember.html" title="class in javassist">CtMember</a></code></dd>

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

  759. <dd><a href="bytecode/Descriptor.html" title="class in javassist.bytecode"><code>Descriptor</code></a>, 

  760. <a href="#getGenericSignature()"><code>getGenericSignature()</code></a></dd>

  761. </dl>

  762. </li>

  763. </ul>

  764. <a id="getGenericSignature()">

  765. <!--   -->

  766. </a>

  767. <ul class="blockList">

  768. <li class="blockList">

  769. <h4>getGenericSignature</h4>

  770. <pre class="methodSignature">public&nbsp;java.lang.String&nbsp;getGenericSignature()</pre>

  771. <div class="block">Returns the generic signature of the method.

  772.  It represents parameter types including type variables.</div>

  773. <dl>

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

  775. <dd><code><a href="CtMember.html#getGenericSignature()">getGenericSignature</a></code>&nbsp;in class&nbsp;<code><a href="CtMember.html" title="class in javassist">CtMember</a></code></dd>

  776. <dt><span class="simpleTagLabel">Since:</span></dt>

  777. <dd>3.17</dd>

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

  779. <dd><a href="bytecode/SignatureAttribute.html#toMethodSignature(java.lang.String)"><code>SignatureAttribute.toMethodSignature(String)</code></a></dd>

  780. </dl>

  781. </li>

  782. </ul>

  783. <a id="setGenericSignature(java.lang.String)">

  784. <!--   -->

  785. </a>

  786. <ul class="blockList">

  787. <li class="blockList">

  788. <h4>setGenericSignature</h4>

  789. <pre class="methodSignature">public&nbsp;void&nbsp;setGenericSignature&#8203;(java.lang.String&nbsp;sig)</pre>

  790. <div class="block">Set the generic signature of the method.

  791.  It represents parameter types including type variables.

  792.  See <a href="CtClass.html#setGenericSignature(java.lang.String)"><code>CtClass.setGenericSignature(String)</code></a>

  793.  for a code sample.</div>

  794. <dl>

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

  796. <dd><code><a href="CtMember.html#setGenericSignature(java.lang.String)">setGenericSignature</a></code>&nbsp;in class&nbsp;<code><a href="CtMember.html" title="class in javassist">CtMember</a></code></dd>

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

  798. <dd><code>sig</code> - a new generic signature.</dd>

  799. <dt><span class="simpleTagLabel">Since:</span></dt>

  800. <dd>3.17</dd>

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

  802. <dd><a href="bytecode/SignatureAttribute.MethodSignature.html#encode()"><code>SignatureAttribute.MethodSignature.encode()</code></a></dd>

  803. </dl>

  804. </li>

  805. </ul>

  806. <a id="getExceptionTypes()">

  807. <!--   -->

  808. </a>

  809. <ul class="blockList">

  810. <li class="blockList">

  811. <h4>getExceptionTypes</h4>

  812. <pre class="methodSignature">public&nbsp;<a href="CtClass.html" title="class in javassist">CtClass</a>[]&nbsp;getExceptionTypes()

  813.                             throws <a href="NotFoundException.html" title="class in javassist">NotFoundException</a></pre>

  814. <div class="block">Obtains exceptions that this method/constructor may throw.</div>

  815. <dl>

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

  817. <dd>a zero-length array if there is no throws clause.</dd>

  818. <dt><span class="throwsLabel">Throws:</span></dt>

  819. <dd><code><a href="NotFoundException.html" title="class in javassist">NotFoundException</a></code></dd>

  820. </dl>

  821. </li>

  822. </ul>

  823. <a id="setExceptionTypes(javassist.CtClass[])">

  824. <!--   -->

  825. </a>

  826. <ul class="blockList">

  827. <li class="blockList">

  828. <h4>setExceptionTypes</h4>

  829. <pre class="methodSignature">public&nbsp;void&nbsp;setExceptionTypes&#8203;(<a href="CtClass.html" title="class in javassist">CtClass</a>[]&nbsp;types)

  830.                        throws <a href="NotFoundException.html" title="class in javassist">NotFoundException</a></pre>

  831. <div class="block">Sets exceptions that this method/constructor may throw.</div>

  832. <dl>

  833. <dt><span class="throwsLabel">Throws:</span></dt>

  834. <dd><code><a href="NotFoundException.html" title="class in javassist">NotFoundException</a></code></dd>

  835. </dl>

  836. </li>

  837. </ul>

  838. <a id="isEmpty()">

  839. <!--   -->

  840. </a>

  841. <ul class="blockList">

  842. <li class="blockList">

  843. <h4>isEmpty</h4>

  844. <pre class="methodSignature">public abstract&nbsp;boolean&nbsp;isEmpty()</pre>

  845. <div class="block">Returns true if the body is empty.</div>

  846. </li>

  847. </ul>

  848. <a id="setBody(java.lang.String)">

  849. <!--   -->

  850. </a>

  851. <ul class="blockList">

  852. <li class="blockList">

  853. <h4>setBody</h4>

  854. <pre class="methodSignature">public&nbsp;void&nbsp;setBody&#8203;(java.lang.String&nbsp;src)

  855.              throws <a href="CannotCompileException.html" title="class in javassist">CannotCompileException</a></pre>

  856. <div class="block">Sets a method/constructor body.</div>

  857. <dl>

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

  859. <dd><code>src</code> - the source code representing the body.

  860.                   It must be a single statement or block.

  861.                   If it is <code>null</code>, the substituted

  862.                   body does nothing except returning zero or null.</dd>

  863. <dt><span class="throwsLabel">Throws:</span></dt>

  864. <dd><code><a href="CannotCompileException.html" title="class in javassist">CannotCompileException</a></code></dd>

  865. </dl>

  866. </li>

  867. </ul>

  868. <a id="setBody(java.lang.String,java.lang.String,java.lang.String)">

  869. <!--   -->

  870. </a>

  871. <ul class="blockList">

  872. <li class="blockList">

  873. <h4>setBody</h4>

  874. <pre class="methodSignature">public&nbsp;void&nbsp;setBody&#8203;(java.lang.String&nbsp;src,

  875.                     java.lang.String&nbsp;delegateObj,

  876.                     java.lang.String&nbsp;delegateMethod)

  877.              throws <a href="CannotCompileException.html" title="class in javassist">CannotCompileException</a></pre>

  878. <div class="block">Sets a method/constructor body.</div>

  879. <dl>

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

  881. <dd><code>src</code> - the source code representing the body.

  882.                   It must be a single statement or block.

  883.                   If it is <code>null</code>, the substituted

  884.                   body does nothing except returning zero or null.</dd>

  885. <dd><code>delegateObj</code> - the source text specifying the object

  886.                           that is called on by <code>$proceed()</code>.</dd>

  887. <dd><code>delegateMethod</code> - the name of the method

  888.                           that is called by <code>$proceed()</code>.</dd>

  889. <dt><span class="throwsLabel">Throws:</span></dt>

  890. <dd><code><a href="CannotCompileException.html" title="class in javassist">CannotCompileException</a></code></dd>

  891. </dl>

  892. </li>

  893. </ul>

  894. <a id="getAttribute(java.lang.String)">

  895. <!--   -->

  896. </a>

  897. <ul class="blockList">

  898. <li class="blockList">

  899. <h4>getAttribute</h4>

  900. <pre class="methodSignature">public&nbsp;byte[]&nbsp;getAttribute&#8203;(java.lang.String&nbsp;name)</pre>

  901. <div class="block">Obtains an attribute with the given name.

  902.  If that attribute is not found in the class file, this

  903.  method returns null.

  904. 

  905.  <p>Note that an attribute is a data block specified by

  906.  the class file format.  It is not an annotation.

  907.  See <a href="bytecode/AttributeInfo.html" title="class in javassist.bytecode"><code>AttributeInfo</code></a>.</div>

  908. <dl>

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

  910. <dd><code><a href="CtMember.html#getAttribute(java.lang.String)">getAttribute</a></code>&nbsp;in class&nbsp;<code><a href="CtMember.html" title="class in javassist">CtMember</a></code></dd>

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

  912. <dd><code>name</code> - attribute name</dd>

  913. </dl>

  914. </li>

  915. </ul>

  916. <a id="setAttribute(java.lang.String,byte[])">

  917. <!--   -->

  918. </a>

  919. <ul class="blockList">

  920. <li class="blockList">

  921. <h4>setAttribute</h4>

  922. <pre class="methodSignature">public&nbsp;void&nbsp;setAttribute&#8203;(java.lang.String&nbsp;name,

  923.                          byte[]&nbsp;data)</pre>

  924. <div class="block">Adds an attribute. The attribute is saved in the class file.

  925. 

  926.  <p>Note that an attribute is a data block specified by

  927.  the class file format.  It is not an annotation.

  928.  See <a href="bytecode/AttributeInfo.html" title="class in javassist.bytecode"><code>AttributeInfo</code></a>.</div>

  929. <dl>

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

  931. <dd><code><a href="CtMember.html#setAttribute(java.lang.String,byte%5B%5D)">setAttribute</a></code>&nbsp;in class&nbsp;<code><a href="CtMember.html" title="class in javassist">CtMember</a></code></dd>

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

  933. <dd><code>name</code> - attribute name</dd>

  934. <dd><code>data</code> - attribute value</dd>

  935. </dl>

  936. </li>

  937. </ul>

  938. <a id="useCflow(java.lang.String)">

  939. <!--   -->

  940. </a>

  941. <ul class="blockList">

  942. <li class="blockList">

  943. <h4>useCflow</h4>

  944. <pre class="methodSignature">public&nbsp;void&nbsp;useCflow&#8203;(java.lang.String&nbsp;name)

  945.               throws <a href="CannotCompileException.html" title="class in javassist">CannotCompileException</a></pre>

  946. <div class="block">Declares to use <code>$cflow</code> for this method/constructor.

  947.  If <code>$cflow</code> is used, the class files modified

  948.  with Javassist requires a support class

  949.  <code>javassist.runtime.Cflow</code> at runtime

  950.  (other Javassist classes are not required at runtime).

  951. 

  952.  <p>Every <code>$cflow</code> variable is given a unique name.

  953.  For example, if the given name is <code>"Point.paint"</code>,

  954.  then the variable is indicated by <code>$cflow(Point.paint)</code>.</div>

  955. <dl>

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

  957. <dd><code>name</code> - <code>$cflow</code> name.  It can include

  958.                   alphabets, numbers, <code>_</code>,

  959.                   <code>$</code>, and <code>.</code> (dot).</dd>

  960. <dt><span class="throwsLabel">Throws:</span></dt>

  961. <dd><code><a href="CannotCompileException.html" title="class in javassist">CannotCompileException</a></code></dd>

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

  963. <dd><a href="runtime/Cflow.html" title="class in javassist.runtime"><code>Cflow</code></a></dd>

  964. </dl>

  965. </li>

  966. </ul>

  967. <a id="addLocalVariable(java.lang.String,javassist.CtClass)">

  968. <!--   -->

  969. </a>

  970. <ul class="blockList">

  971. <li class="blockList">

  972. <h4>addLocalVariable</h4>

  973. <pre class="methodSignature">public&nbsp;void&nbsp;addLocalVariable&#8203;(java.lang.String&nbsp;name,

  974.                              <a href="CtClass.html" title="class in javassist">CtClass</a>&nbsp;type)

  975.                       throws <a href="CannotCompileException.html" title="class in javassist">CannotCompileException</a></pre>

  976. <div class="block">Declares a new local variable.  The scope of this variable is the

  977.  whole method body.  The initial value of that variable is not set.

  978.  The declared variable can be accessed in the code snippet inserted

  979.  by <code>insertBefore()</code>, <code>insertAfter()</code>, etc.

  980. 

  981.  <p>If the second parameter <code>asFinally</code> to

  982.  <code>insertAfter()</code> is true, the declared local variable

  983.  is not visible from the code inserted by <code>insertAfter()</code>.</div>

  984. <dl>

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

  986. <dd><code>name</code> - the name of the variable</dd>

  987. <dd><code>type</code> - the type of the variable</dd>

  988. <dt><span class="throwsLabel">Throws:</span></dt>

  989. <dd><code><a href="CannotCompileException.html" title="class in javassist">CannotCompileException</a></code></dd>

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

  991. <dd><a href="#insertBefore(java.lang.String)"><code>insertBefore(String)</code></a>, 

  992. <a href="#insertAfter(java.lang.String)"><code>insertAfter(String)</code></a></dd>

  993. </dl>

  994. </li>

  995. </ul>

  996. <a id="insertParameter(javassist.CtClass)">

  997. <!--   -->

  998. </a>

  999. <ul class="blockList">

  1000. <li class="blockList">

  1001. <h4>insertParameter</h4>

  1002. <pre class="methodSignature">public&nbsp;void&nbsp;insertParameter&#8203;(<a href="CtClass.html" title="class in javassist">CtClass</a>&nbsp;type)

  1003.                      throws <a href="CannotCompileException.html" title="class in javassist">CannotCompileException</a></pre>

  1004. <div class="block">Inserts a new parameter, which becomes the first parameter.</div>

  1005. <dl>

  1006. <dt><span class="throwsLabel">Throws:</span></dt>

  1007. <dd><code><a href="CannotCompileException.html" title="class in javassist">CannotCompileException</a></code></dd>

  1008. </dl>

  1009. </li>

  1010. </ul>

  1011. <a id="addParameter(javassist.CtClass)">

  1012. <!--   -->

  1013. </a>

  1014. <ul class="blockList">

  1015. <li class="blockList">

  1016. <h4>addParameter</h4>

  1017. <pre class="methodSignature">public&nbsp;void&nbsp;addParameter&#8203;(<a href="CtClass.html" title="class in javassist">CtClass</a>&nbsp;type)

  1018.                   throws <a href="CannotCompileException.html" title="class in javassist">CannotCompileException</a></pre>

  1019. <div class="block">Appends a new parameter, which becomes the last parameter.</div>

  1020. <dl>

  1021. <dt><span class="throwsLabel">Throws:</span></dt>

  1022. <dd><code><a href="CannotCompileException.html" title="class in javassist">CannotCompileException</a></code></dd>

  1023. </dl>

  1024. </li>

  1025. </ul>

  1026. <a id="instrument(javassist.CodeConverter)">

  1027. <!--   -->

  1028. </a>

  1029. <ul class="blockList">

  1030. <li class="blockList">

  1031. <h4>instrument</h4>

  1032. <pre class="methodSignature">public&nbsp;void&nbsp;instrument&#8203;(<a href="CodeConverter.html" title="class in javassist">CodeConverter</a>&nbsp;converter)

  1033.                 throws <a href="CannotCompileException.html" title="class in javassist">CannotCompileException</a></pre>

  1034. <div class="block">Modifies the method/constructor body.</div>

  1035. <dl>

  1036. <dt><span class="paramLabel">Parameters:</span></dt>

  1037. <dd><code>converter</code> - specifies how to modify.</dd>

  1038. <dt><span class="throwsLabel">Throws:</span></dt>

  1039. <dd><code><a href="CannotCompileException.html" title="class in javassist">CannotCompileException</a></code></dd>

  1040. </dl>

  1041. </li>

  1042. </ul>

  1043. <a id="instrument(javassist.expr.ExprEditor)">

  1044. <!--   -->

  1045. </a>

  1046. <ul class="blockList">

  1047. <li class="blockList">

  1048. <h4>instrument</h4>

  1049. <pre class="methodSignature">public&nbsp;void&nbsp;instrument&#8203;(<a href="expr/ExprEditor.html" title="class in javassist.expr">ExprEditor</a>&nbsp;editor)

  1050.                 throws <a href="CannotCompileException.html" title="class in javassist">CannotCompileException</a></pre>

  1051. <div class="block">Modifies the method/constructor body.

  1052. 

  1053.  <p>While executing this method, only <code>replace()</code>

  1054.  in <code>Expr</code> is available for bytecode modification.

  1055.  Other methods such as <code>insertBefore()</code> may collapse

  1056.  the bytecode because the <code>ExprEditor</code> loses

  1057.  its current position.</div>

  1058. <dl>

  1059. <dt><span class="paramLabel">Parameters:</span></dt>

  1060. <dd><code>editor</code> - specifies how to modify.</dd>

  1061. <dt><span class="throwsLabel">Throws:</span></dt>

  1062. <dd><code><a href="CannotCompileException.html" title="class in javassist">CannotCompileException</a></code></dd>

  1063. <dt><span class="seeLabel">See Also:</span></dt>

  1064. <dd><a href="expr/Expr.html#replace(java.lang.String)"><code>Expr.replace(String)</code></a>, 

  1065. <a href="#insertBefore(java.lang.String)"><code>insertBefore(String)</code></a></dd>

  1066. </dl>

  1067. </li>

  1068. </ul>

  1069. <a id="insertBefore(java.lang.String)">

  1070. <!--   -->

  1071. </a>

  1072. <ul class="blockList">

  1073. <li class="blockList">

  1074. <h4>insertBefore</h4>

  1075. <pre class="methodSignature">public&nbsp;void&nbsp;insertBefore&#8203;(java.lang.String&nbsp;src)

  1076.                   throws <a href="CannotCompileException.html" title="class in javassist">CannotCompileException</a></pre>

  1077. <div class="block">Inserts bytecode at the beginning of the body.

  1078. 

  1079.  <p>If this object represents a constructor,

  1080.  the bytecode is inserted before

  1081.  a constructor in the super class or this class is called.

  1082.  Therefore, the inserted bytecode is subject to constraints described

  1083.  in Section 4.8.2 of The Java Virtual Machine Specification (2nd ed).

  1084.  For example, it cannot access instance fields or methods although

  1085.  it may assign a value to an instance field directly declared in this

  1086.  class.  Accessing static fields and methods is allowed.

  1087.  Use <code>insertBeforeBody()</code> in <code>CtConstructor</code>.</div>

  1088. <dl>

  1089. <dt><span class="paramLabel">Parameters:</span></dt>

  1090. <dd><code>src</code> - the source code representing the inserted bytecode.

  1091.                   It must be a single statement or block.</dd>

  1092. <dt><span class="throwsLabel">Throws:</span></dt>

  1093. <dd><code><a href="CannotCompileException.html" title="class in javassist">CannotCompileException</a></code></dd>

  1094. <dt><span class="seeLabel">See Also:</span></dt>

  1095. <dd><a href="CtConstructor.html#insertBeforeBody(java.lang.String)"><code>CtConstructor.insertBeforeBody(String)</code></a></dd>

  1096. </dl>

  1097. </li>

  1098. </ul>

  1099. <a id="insertAfter(java.lang.String)">

  1100. <!--   -->

  1101. </a>

  1102. <ul class="blockList">

  1103. <li class="blockList">

  1104. <h4>insertAfter</h4>

  1105. <pre class="methodSignature">public&nbsp;void&nbsp;insertAfter&#8203;(java.lang.String&nbsp;src)

  1106.                  throws <a href="CannotCompileException.html" title="class in javassist">CannotCompileException</a></pre>

  1107. <div class="block">Inserts bytecode at the end of the body.

  1108.  The bytecode is inserted just before every return instruction.

  1109.  It is not executed when an exception is thrown.</div>

  1110. <dl>

  1111. <dt><span class="paramLabel">Parameters:</span></dt>

  1112. <dd><code>src</code> - the source code representing the inserted bytecode.

  1113.                   It must be a single statement or block.</dd>

  1114. <dt><span class="throwsLabel">Throws:</span></dt>

  1115. <dd><code><a href="CannotCompileException.html" title="class in javassist">CannotCompileException</a></code></dd>

  1116. </dl>

  1117. </li>

  1118. </ul>

  1119. <a id="insertAfter(java.lang.String,boolean)">

  1120. <!--   -->

  1121. </a>

  1122. <ul class="blockList">

  1123. <li class="blockList">

  1124. <h4>insertAfter</h4>

  1125. <pre class="methodSignature">public&nbsp;void&nbsp;insertAfter&#8203;(java.lang.String&nbsp;src,

  1126.                         boolean&nbsp;asFinally)

  1127.                  throws <a href="CannotCompileException.html" title="class in javassist">CannotCompileException</a></pre>

  1128. <div class="block">Inserts bytecode at the end of the body.

  1129.  The bytecode is inserted just before every return instruction.</div>

  1130. <dl>

  1131. <dt><span class="paramLabel">Parameters:</span></dt>

  1132. <dd><code>src</code> - the source code representing the inserted bytecode.

  1133.                   It must be a single statement or block.</dd>

  1134. <dd><code>asFinally</code> - true if the inserted bytecode is executed

  1135.                   not only when the control normally returns

  1136.                   but also when an exception is thrown.

  1137.                   If this parameter is true, the inserted code cannot

  1138.                   access local variables.</dd>

  1139. <dt><span class="throwsLabel">Throws:</span></dt>

  1140. <dd><code><a href="CannotCompileException.html" title="class in javassist">CannotCompileException</a></code></dd>

  1141. </dl>

  1142. </li>

  1143. </ul>

  1144. <a id="insertAfter(java.lang.String,boolean,boolean)">

  1145. <!--   -->

  1146. </a>

  1147. <ul class="blockList">

  1148. <li class="blockList">

  1149. <h4>insertAfter</h4>

  1150. <pre class="methodSignature">public&nbsp;void&nbsp;insertAfter&#8203;(java.lang.String&nbsp;src,

  1151.                         boolean&nbsp;asFinally,

  1152.                         boolean&nbsp;redundant)

  1153.                  throws <a href="CannotCompileException.html" title="class in javassist">CannotCompileException</a></pre>

  1154. <div class="block">Inserts bytecode at the end of the body.

  1155.  The bytecode is inserted just before every return instruction.</div>

  1156. <dl>

  1157. <dt><span class="paramLabel">Parameters:</span></dt>

  1158. <dd><code>src</code> - the source code representing the inserted bytecode.

  1159.                   It must be a single statement or block.</dd>

  1160. <dd><code>asFinally</code> - true if the inserted bytecode is executed

  1161.                   not only when the control normally returns

  1162.                   but also when an exception is thrown.

  1163.                   If this parameter is true, the inserted code cannot

  1164.                   access local variables.</dd>

  1165. <dd><code>redundant</code> - if true, redundant bytecode will be generated.

  1166.                   the redundancy is necessary when some compilers (Kotlin?)

  1167.                   generate the original bytecode.

  1168.                   The other <code>insertAfter</code> methods calls this method

  1169.                   with <code>false</code> for this parameter.

  1170.                   A tip is to pass <code>this.getDeclaringClass().isKotlin()</code>

  1171.                   to this parameter.</dd>

  1172. <dt><span class="throwsLabel">Throws:</span></dt>

  1173. <dd><code><a href="CannotCompileException.html" title="class in javassist">CannotCompileException</a></code></dd>

  1174. <dt><span class="simpleTagLabel">Since:</span></dt>

  1175. <dd>3.26</dd>

  1176. <dt><span class="seeLabel">See Also:</span></dt>

  1177. <dd><a href="CtClass.html#isKotlin()"><code>CtClass.isKotlin()</code></a>, 

  1178. <a href="CtMember.html#getDeclaringClass()"><code>CtMember.getDeclaringClass()</code></a></dd>

  1179. </dl>

  1180. </li>

  1181. </ul>

  1182. <a id="addCatch(java.lang.String,javassist.CtClass)">

  1183. <!--   -->

  1184. </a>

  1185. <ul class="blockList">

  1186. <li class="blockList">

  1187. <h4>addCatch</h4>

  1188. <pre class="methodSignature">public&nbsp;void&nbsp;addCatch&#8203;(java.lang.String&nbsp;src,

  1189.                      <a href="CtClass.html" title="class in javassist">CtClass</a>&nbsp;exceptionType)

  1190.               throws <a href="CannotCompileException.html" title="class in javassist">CannotCompileException</a></pre>

  1191. <div class="block">Adds a catch clause that handles an exception thrown in the

  1192.  body.  The catch clause must end with a return or throw statement.</div>

  1193. <dl>

  1194. <dt><span class="paramLabel">Parameters:</span></dt>

  1195. <dd><code>src</code> - the source code representing the catch clause.

  1196.                   It must be a single statement or block.</dd>

  1197. <dd><code>exceptionType</code> - the type of the exception handled by the

  1198.                           catch clause.</dd>

  1199. <dt><span class="throwsLabel">Throws:</span></dt>

  1200. <dd><code><a href="CannotCompileException.html" title="class in javassist">CannotCompileException</a></code></dd>

  1201. </dl>

  1202. </li>

  1203. </ul>

  1204. <a id="addCatch(java.lang.String,javassist.CtClass,java.lang.String)">

  1205. <!--   -->

  1206. </a>

  1207. <ul class="blockList">

  1208. <li class="blockList">

  1209. <h4>addCatch</h4>

  1210. <pre class="methodSignature">public&nbsp;void&nbsp;addCatch&#8203;(java.lang.String&nbsp;src,

  1211.                      <a href="CtClass.html" title="class in javassist">CtClass</a>&nbsp;exceptionType,

  1212.                      java.lang.String&nbsp;exceptionName)

  1213.               throws <a href="CannotCompileException.html" title="class in javassist">CannotCompileException</a></pre>

  1214. <div class="block">Adds a catch clause that handles an exception thrown in the

  1215.  body.  The catch clause must end with a return or throw statement.</div>

  1216. <dl>

  1217. <dt><span class="paramLabel">Parameters:</span></dt>

  1218. <dd><code>src</code> - the source code representing the catch clause.

  1219.                   It must be a single statement or block.</dd>

  1220. <dd><code>exceptionType</code> - the type of the exception handled by the

  1221.                           catch clause.</dd>

  1222. <dd><code>exceptionName</code> - the name of the variable containing the

  1223.                           caught exception, for example,

  1224.                           <code>$e</code>.</dd>

  1225. <dt><span class="throwsLabel">Throws:</span></dt>

  1226. <dd><code><a href="CannotCompileException.html" title="class in javassist">CannotCompileException</a></code></dd>

  1227. </dl>

  1228. </li>

  1229. </ul>

  1230. <a id="insertAt(int,java.lang.String)">

  1231. <!--   -->

  1232. </a>

  1233. <ul class="blockList">

  1234. <li class="blockList">

  1235. <h4>insertAt</h4>

  1236. <pre class="methodSignature">public&nbsp;int&nbsp;insertAt&#8203;(int&nbsp;lineNum,

  1237.                     java.lang.String&nbsp;src)

  1238.              throws <a href="CannotCompileException.html" title="class in javassist">CannotCompileException</a></pre>

  1239. <div class="block">Inserts bytecode at the specified line in the body.

  1240.  It is equivalent to:

  1241. 

  1242.  <br><code>insertAt(lineNum, true, src)</code>

  1243. 

  1244.  <br>See this method as well.</div>

  1245. <dl>

  1246. <dt><span class="paramLabel">Parameters:</span></dt>

  1247. <dd><code>lineNum</code> - the line number.  The bytecode is inserted at the

  1248.                   beginning of the code at the line specified by this

  1249.                   line number.</dd>

  1250. <dd><code>src</code> - the source code representing the inserted bytecode.

  1251.                   It must be a single statement or block.</dd>

  1252. <dt><span class="returnLabel">Returns:</span></dt>

  1253. <dd>the line number at which the bytecode has been inserted.</dd>

  1254. <dt><span class="throwsLabel">Throws:</span></dt>

  1255. <dd><code><a href="CannotCompileException.html" title="class in javassist">CannotCompileException</a></code></dd>

  1256. <dt><span class="seeLabel">See Also:</span></dt>

  1257. <dd><a href="#insertAt(int,boolean,java.lang.String)"><code>insertAt(int,boolean,String)</code></a></dd>

  1258. </dl>

  1259. </li>

  1260. </ul>

  1261. <a id="insertAt(int,boolean,java.lang.String)">

  1262. <!--   -->

  1263. </a>

  1264. <ul class="blockListLast">

  1265. <li class="blockList">

  1266. <h4>insertAt</h4>

  1267. <pre class="methodSignature">public&nbsp;int&nbsp;insertAt&#8203;(int&nbsp;lineNum,

  1268.                     boolean&nbsp;modify,

  1269.                     java.lang.String&nbsp;src)

  1270.              throws <a href="CannotCompileException.html" title="class in javassist">CannotCompileException</a></pre>

  1271. <div class="block">Inserts bytecode at the specified line in the body.

  1272. 

  1273.  <p>If there is not

  1274.  a statement at the specified line, the bytecode might be inserted

  1275.  at the line including the first statement after that line specified.

  1276.  For example, if there is only a closing brace at that line, the

  1277.  bytecode would be inserted at another line below.

  1278.  To know exactly where the bytecode will be inserted, call with

  1279.  <code>modify</code> set to <code>false</code>.</div>

  1280. <dl>

  1281. <dt><span class="paramLabel">Parameters:</span></dt>

  1282. <dd><code>lineNum</code> - the line number.  The bytecode is inserted at the

  1283.                   beginning of the code at the line specified by this

  1284.                   line number.</dd>

  1285. <dd><code>modify</code> - if false, this method does not insert the bytecode.

  1286.                   It instead only returns the line number at which

  1287.                   the bytecode would be inserted.</dd>

  1288. <dd><code>src</code> - the source code representing the inserted bytecode.

  1289.                   It must be a single statement or block.

  1290.                   If modify is false, the value of src can be null.</dd>

  1291. <dt><span class="returnLabel">Returns:</span></dt>

  1292. <dd>the line number at which the bytecode has been inserted.</dd>

  1293. <dt><span class="throwsLabel">Throws:</span></dt>

  1294. <dd><code><a href="CannotCompileException.html" title="class in javassist">CannotCompileException</a></code></dd>

  1295. </dl>

  1296. </li>

  1297. </ul>

  1298. </li>

  1299. </ul>

  1300. </section>

  1301. </li>

  1302. </ul>

  1303. </div>

  1304. </div>

  1305. </main>

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  1366. <p class="legalCopy"><small><i>Javassist, a Java-bytecode translator toolkit.<br>

  1367. Copyright (C) 1999- Shigeru Chiba. All Rights Reserved.</i></small></p>

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