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javassist/html/javassist/CtNewMethod.html

CtNewMethod.html 38KB
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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>CtNewMethod (Javassist API)</title>

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

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

  9. <link rel="stylesheet" type="text/css" href="../stylesheet.css" title="Style">

  10. <link rel="stylesheet" type="text/css" href="../jquery/jquery-ui.css" title="Style">

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  20. </head>

  21. <body>

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

  23.     try {

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

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

  26.         }

  27.     }

  28.     catch(err) {

  29.     }

  30. //-->

  31. var data = {"i0":9,"i1":9,"i2":9,"i3":9,"i4":9,"i5":9,"i6":9,"i7":9,"i8":9,"i9":9,"i10":9};

  32. var tabs = {65535:["t0","All Methods"],1:["t1","Static Methods"],8:["t4","Concrete Methods"]};

  33. var altColor = "altColor";

  34. var rowColor = "rowColor";

  35. var tableTab = "tableTab";

  36. var activeTableTab = "activeTableTab";

  37. var pathtoroot = "../";

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  55. <li><a href="../index.html">Overview</a></li>

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

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

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

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  90. <ul class="subNavList">

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

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  94. <li><a href="#constructor.summary">Constr</a>&nbsp;|&nbsp;</li>

  95. <li><a href="#method.summary">Method</a></li>

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

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

  117. <main role="main">

  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 CtNewMethod" class="title">Class CtNewMethod</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.CtNewMethod</li>

  128. </ul>

  129. </li>

  130. </ul>

  131. <div class="description">

  132. <ul class="blockList">

  133. <li class="blockList">

  134. <hr>

  135. <pre>public class <span class="typeNameLabel">CtNewMethod</span>

  136. extends java.lang.Object</pre>

  137. <div class="block">A collection of static methods for creating a <code>CtMethod</code>.

  138.  An instance of this class does not make any sense.</div>

  139. <dl>

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

  141. <dd><a href="CtClass.html#addMethod(javassist.CtMethod)"><code>CtClass.addMethod(CtMethod)</code></a></dd>

  142. </dl>

  143. </li>

  144. </ul>

  145. </div>

  146. <div class="summary">

  147. <ul class="blockList">

  148. <li class="blockList">

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

  150. <section role="region">

  151. <ul class="blockList">

  152. <li class="blockList"><a id="constructor.summary">

  153. <!--   -->

  154. </a>

  155. <h3>Constructor Summary</h3>

  156. <table class="memberSummary">

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

  158. <tr>

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

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

  161. </tr>

  162. <tr class="altColor">

  163. <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">CtNewMethod</a></span>()</code></th>

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

  165. </tr>

  166. </table>

  167. </li>

  168. </ul>

  169. </section>

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

  171. <section role="region">

  172. <ul class="blockList">

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

  174. <!--   -->

  175. </a>

  176. <h3>Method Summary</h3>

  177. <table class="memberSummary">

  178. <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static 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>

  179. <tr>

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

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

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

  183. </tr>

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

  185. <td class="colFirst"><code>static <a href="CtMethod.html" title="class in javassist">CtMethod</a></code></td>

  186. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#abstractMethod(javassist.CtClass,java.lang.String,javassist.CtClass%5B%5D,javassist.CtClass%5B%5D,javassist.CtClass)">abstractMethod</a></span>&#8203;(<a href="CtClass.html" title="class in javassist">CtClass</a>&nbsp;returnType,

  187.               java.lang.String&nbsp;mname,

  188.               <a href="CtClass.html" title="class in javassist">CtClass</a>[]&nbsp;parameters,

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

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

  191. <td class="colLast">

  192. <div class="block">Creates a public abstract method.</div>

  193. </td>

  194. </tr>

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

  196. <td class="colFirst"><code>static <a href="CtMethod.html" title="class in javassist">CtMethod</a></code></td>

  197. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#copy(javassist.CtMethod,java.lang.String,javassist.CtClass,javassist.ClassMap)">copy</a></span>&#8203;(<a href="CtMethod.html" title="class in javassist">CtMethod</a>&nbsp;src,

  198.     java.lang.String&nbsp;name,

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

  200.     <a href="ClassMap.html" title="class in javassist">ClassMap</a>&nbsp;map)</code></th>

  201. <td class="colLast">

  202. <div class="block">Creates a copy of a method with a new name.</div>

  203. </td>

  204. </tr>

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

  206. <td class="colFirst"><code>static <a href="CtMethod.html" title="class in javassist">CtMethod</a></code></td>

  207. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#copy(javassist.CtMethod,javassist.CtClass,javassist.ClassMap)">copy</a></span>&#8203;(<a href="CtMethod.html" title="class in javassist">CtMethod</a>&nbsp;src,

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

  209.     <a href="ClassMap.html" title="class in javassist">ClassMap</a>&nbsp;map)</code></th>

  210. <td class="colLast">

  211. <div class="block">Creates a copy of a method.</div>

  212. </td>

  213. </tr>

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

  215. <td class="colFirst"><code>static <a href="CtMethod.html" title="class in javassist">CtMethod</a></code></td>

  216. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#delegator(javassist.CtMethod,javassist.CtClass)">delegator</a></span>&#8203;(<a href="CtMethod.html" title="class in javassist">CtMethod</a>&nbsp;delegate,

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

  218. <td class="colLast">

  219. <div class="block">Creates a method forwarding to a delegate in

  220.  a super class.</div>

  221. </td>

  222. </tr>

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

  224. <td class="colFirst"><code>static <a href="CtMethod.html" title="class in javassist">CtMethod</a></code></td>

  225. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getter(java.lang.String,javassist.CtField)">getter</a></span>&#8203;(java.lang.String&nbsp;methodName,

  226.       <a href="CtField.html" title="class in javassist">CtField</a>&nbsp;field)</code></th>

  227. <td class="colLast">

  228. <div class="block">Creates a public getter method.</div>

  229. </td>

  230. </tr>

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

  232. <td class="colFirst"><code>static <a href="CtMethod.html" title="class in javassist">CtMethod</a></code></td>

  233. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#make(int,javassist.CtClass,java.lang.String,javassist.CtClass%5B%5D,javassist.CtClass%5B%5D,java.lang.String,javassist.CtClass)">make</a></span>&#8203;(int&nbsp;modifiers,

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

  235.     java.lang.String&nbsp;mname,

  236.     <a href="CtClass.html" title="class in javassist">CtClass</a>[]&nbsp;parameters,

  237.     <a href="CtClass.html" title="class in javassist">CtClass</a>[]&nbsp;exceptions,

  238.     java.lang.String&nbsp;body,

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

  240. <td class="colLast">

  241. <div class="block">Creates a method.</div>

  242. </td>

  243. </tr>

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

  245. <td class="colFirst"><code>static <a href="CtMethod.html" title="class in javassist">CtMethod</a></code></td>

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

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

  248. <td class="colLast">

  249. <div class="block">Compiles the given source code and creates a method.</div>

  250. </td>

  251. </tr>

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

  253. <td class="colFirst"><code>static <a href="CtMethod.html" title="class in javassist">CtMethod</a></code></td>

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

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

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

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

  258. <td class="colLast">

  259. <div class="block">Compiles the given source code and creates a method.</div>

  260. </td>

  261. </tr>

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

  263. <td class="colFirst"><code>static <a href="CtMethod.html" title="class in javassist">CtMethod</a></code></td>

  264. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#make(javassist.CtClass,java.lang.String,javassist.CtClass%5B%5D,javassist.CtClass%5B%5D,java.lang.String,javassist.CtClass)">make</a></span>&#8203;(<a href="CtClass.html" title="class in javassist">CtClass</a>&nbsp;returnType,

  265.     java.lang.String&nbsp;mname,

  266.     <a href="CtClass.html" title="class in javassist">CtClass</a>[]&nbsp;parameters,

  267.     <a href="CtClass.html" title="class in javassist">CtClass</a>[]&nbsp;exceptions,

  268.     java.lang.String&nbsp;body,

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

  270. <td class="colLast">

  271. <div class="block">Creates a public (non-static) method.</div>

  272. </td>

  273. </tr>

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

  275. <td class="colFirst"><code>static <a href="CtMethod.html" title="class in javassist">CtMethod</a></code></td>

  276. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setter(java.lang.String,javassist.CtField)">setter</a></span>&#8203;(java.lang.String&nbsp;methodName,

  277.       <a href="CtField.html" title="class in javassist">CtField</a>&nbsp;field)</code></th>

  278. <td class="colLast">

  279. <div class="block">Creates a public setter method.</div>

  280. </td>

  281. </tr>

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

  283. <td class="colFirst"><code>static <a href="CtMethod.html" title="class in javassist">CtMethod</a></code></td>

  284. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#wrapped(javassist.CtClass,java.lang.String,javassist.CtClass%5B%5D,javassist.CtClass%5B%5D,javassist.CtMethod,javassist.CtMethod.ConstParameter,javassist.CtClass)">wrapped</a></span>&#8203;(<a href="CtClass.html" title="class in javassist">CtClass</a>&nbsp;returnType,

  285.        java.lang.String&nbsp;mname,

  286.        <a href="CtClass.html" title="class in javassist">CtClass</a>[]&nbsp;parameterTypes,

  287.        <a href="CtClass.html" title="class in javassist">CtClass</a>[]&nbsp;exceptionTypes,

  288.        <a href="CtMethod.html" title="class in javassist">CtMethod</a>&nbsp;body,

  289.        <a href="CtMethod.ConstParameter.html" title="class in javassist">CtMethod.ConstParameter</a>&nbsp;constParam,

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

  291. <td class="colLast">

  292. <div class="block">Creates a wrapped method.</div>

  293. </td>

  294. </tr>

  295. </table>

  296. <ul class="blockList">

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

  298. <!--   -->

  299. </a>

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

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

  302. </ul>

  303. </li>

  304. </ul>

  305. </section>

  306. </li>

  307. </ul>

  308. </div>

  309. <div class="details">

  310. <ul class="blockList">

  311. <li class="blockList">

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

  313. <section role="region">

  314. <ul class="blockList">

  315. <li class="blockList"><a id="constructor.detail">

  316. <!--   -->

  317. </a>

  318. <h3>Constructor Detail</h3>

  319. <a id="&lt;init&gt;()">

  320. <!--   -->

  321. </a>

  322. <ul class="blockListLast">

  323. <li class="blockList">

  324. <h4>CtNewMethod</h4>

  325. <pre>public&nbsp;CtNewMethod()</pre>

  326. </li>

  327. </ul>

  328. </li>

  329. </ul>

  330. </section>

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

  332. <section role="region">

  333. <ul class="blockList">

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

  335. <!--   -->

  336. </a>

  337. <h3>Method Detail</h3>

  338. <a id="make(java.lang.String,javassist.CtClass)">

  339. <!--   -->

  340. </a>

  341. <ul class="blockList">

  342. <li class="blockList">

  343. <h4>make</h4>

  344. <pre class="methodSignature">public static&nbsp;<a href="CtMethod.html" title="class in javassist">CtMethod</a>&nbsp;make&#8203;(java.lang.String&nbsp;src,

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

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

  347. <div class="block">Compiles the given source code and creates a method.

  348.  The source code must include not only the method body

  349.  but the whole declaration, for example,

  350. 

  351.  <pre>"public Object id(Object obj) { return obj; }"</pre></div>

  352. <dl>

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

  354. <dd><code>src</code> - the source text.</dd>

  355. <dd><code>declaring</code> - the class to which the created method is added.</dd>

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

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

  358. </dl>

  359. </li>

  360. </ul>

  361. <a id="make(java.lang.String,javassist.CtClass,java.lang.String,java.lang.String)">

  362. <!--   -->

  363. </a>

  364. <ul class="blockList">

  365. <li class="blockList">

  366. <h4>make</h4>

  367. <pre class="methodSignature">public static&nbsp;<a href="CtMethod.html" title="class in javassist">CtMethod</a>&nbsp;make&#8203;(java.lang.String&nbsp;src,

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

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

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

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

  372. <div class="block">Compiles the given source code and creates a method.

  373.  The source code must include not only the method body

  374.  but the whole declaration, for example,

  375. 

  376.  <pre>"public Object id(Object obj) { return obj; }"</pre>

  377. 

  378.  <p>If the source code includes <code>$proceed()</code>, then

  379.  it is compiled into a method call on the specified object.</div>

  380. <dl>

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

  382. <dd><code>src</code> - the source text.</dd>

  383. <dd><code>declaring</code> - the class to which the created method is added.</dd>

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

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

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

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

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

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

  390. </dl>

  391. </li>

  392. </ul>

  393. <a id="make(javassist.CtClass,java.lang.String,javassist.CtClass[],javassist.CtClass[],java.lang.String,javassist.CtClass)">

  394. <!--   -->

  395. </a>

  396. <ul class="blockList">

  397. <li class="blockList">

  398. <h4>make</h4>

  399. <pre class="methodSignature">public static&nbsp;<a href="CtMethod.html" title="class in javassist">CtMethod</a>&nbsp;make&#8203;(<a href="CtClass.html" title="class in javassist">CtClass</a>&nbsp;returnType,

  400.                             java.lang.String&nbsp;mname,

  401.                             <a href="CtClass.html" title="class in javassist">CtClass</a>[]&nbsp;parameters,

  402.                             <a href="CtClass.html" title="class in javassist">CtClass</a>[]&nbsp;exceptions,

  403.                             java.lang.String&nbsp;body,

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

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

  406. <div class="block">Creates a public (non-static) method.  The created method cannot

  407.  be changed to a static method later.</div>

  408. <dl>

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

  410. <dd><code>returnType</code> - the type of the returned value.</dd>

  411. <dd><code>mname</code> - the method name.</dd>

  412. <dd><code>parameters</code> - a list of the parameter types.</dd>

  413. <dd><code>exceptions</code> - a list of the exception types.</dd>

  414. <dd><code>body</code> - the source text of the method body.

  415.                   It must be a block surrounded by <code>{}</code>.

  416.                   If it is <code>null</code>, the created method

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

  418. <dd><code>declaring</code> - the class to which the created method is added.</dd>

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

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

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

  422. <dd><a href="#make(int,javassist.CtClass,java.lang.String,javassist.CtClass%5B%5D,javassist.CtClass%5B%5D,java.lang.String,javassist.CtClass)"><code>make(int, CtClass, String, CtClass[], CtClass[], String, CtClass)</code></a></dd>

  423. </dl>

  424. </li>

  425. </ul>

  426. <a id="make(int,javassist.CtClass,java.lang.String,javassist.CtClass[],javassist.CtClass[],java.lang.String,javassist.CtClass)">

  427. <!--   -->

  428. </a>

  429. <ul class="blockList">

  430. <li class="blockList">

  431. <h4>make</h4>

  432. <pre class="methodSignature">public static&nbsp;<a href="CtMethod.html" title="class in javassist">CtMethod</a>&nbsp;make&#8203;(int&nbsp;modifiers,

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

  434.                             java.lang.String&nbsp;mname,

  435.                             <a href="CtClass.html" title="class in javassist">CtClass</a>[]&nbsp;parameters,

  436.                             <a href="CtClass.html" title="class in javassist">CtClass</a>[]&nbsp;exceptions,

  437.                             java.lang.String&nbsp;body,

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

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

  440. <div class="block">Creates a method.  <code>modifiers</code> can contain

  441.  <code>Modifier.STATIC</code>.</div>

  442. <dl>

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

  444. <dd><code>modifiers</code> - access modifiers.</dd>

  445. <dd><code>returnType</code> - the type of the returned value.</dd>

  446. <dd><code>mname</code> - the method name.</dd>

  447. <dd><code>parameters</code> - a list of the parameter types.</dd>

  448. <dd><code>exceptions</code> - a list of the exception types.</dd>

  449. <dd><code>body</code> - the source text of the method body.

  450.                   It must be a block surrounded by <code>{}</code>.

  451.                   If it is <code>null</code>, the created method

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

  453. <dd><code>declaring</code> - the class to which the created method is added.</dd>

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

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

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

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

  458. </dl>

  459. </li>

  460. </ul>

  461. <a id="copy(javassist.CtMethod,javassist.CtClass,javassist.ClassMap)">

  462. <!--   -->

  463. </a>

  464. <ul class="blockList">

  465. <li class="blockList">

  466. <h4>copy</h4>

  467. <pre class="methodSignature">public static&nbsp;<a href="CtMethod.html" title="class in javassist">CtMethod</a>&nbsp;copy&#8203;(<a href="CtMethod.html" title="class in javassist">CtMethod</a>&nbsp;src,

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

  469.                             <a href="ClassMap.html" title="class in javassist">ClassMap</a>&nbsp;map)

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

  471. <div class="block">Creates a copy of a method.  This method is provided for creating

  472.  a new method based on an existing method.

  473.  This is a convenience method for calling

  474.  <a href="CtMethod.html#%3Cinit%3E(javassist.CtMethod,javassist.CtClass,javassist.ClassMap)"><code>this constructor</code></a>.

  475.  See the description of the constructor for particular behavior of the copying.</div>

  476. <dl>

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

  478. <dd><code>src</code> - the source method.</dd>

  479. <dd><code>declaring</code> - the class to which the created method is added.</dd>

  480. <dd><code>map</code> - the hash table associating original class names

  481.                   with substituted names.

  482.                   It can be <code>null</code>.</dd>

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

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

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

  486. <dd><a href="CtMethod.html#%3Cinit%3E(javassist.CtMethod,javassist.CtClass,javassist.ClassMap)"><code>CtMethod(CtMethod,CtClass,ClassMap)</code></a></dd>

  487. </dl>

  488. </li>

  489. </ul>

  490. <a id="copy(javassist.CtMethod,java.lang.String,javassist.CtClass,javassist.ClassMap)">

  491. <!--   -->

  492. </a>

  493. <ul class="blockList">

  494. <li class="blockList">

  495. <h4>copy</h4>

  496. <pre class="methodSignature">public static&nbsp;<a href="CtMethod.html" title="class in javassist">CtMethod</a>&nbsp;copy&#8203;(<a href="CtMethod.html" title="class in javassist">CtMethod</a>&nbsp;src,

  497.                             java.lang.String&nbsp;name,

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

  499.                             <a href="ClassMap.html" title="class in javassist">ClassMap</a>&nbsp;map)

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

  501. <div class="block">Creates a copy of a method with a new name.

  502.  This method is provided for creating

  503.  a new method based on an existing method.

  504.  This is a convenience method for calling

  505.  <a href="CtMethod.html#%3Cinit%3E(javassist.CtMethod,javassist.CtClass,javassist.ClassMap)"><code>this constructor</code></a>.

  506.  See the description of the constructor for particular behavior of the copying.</div>

  507. <dl>

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

  509. <dd><code>src</code> - the source method.</dd>

  510. <dd><code>name</code> - the name of the created method.</dd>

  511. <dd><code>declaring</code> - the class to which the created method is added.</dd>

  512. <dd><code>map</code> - the hash table associating original class names

  513.                   with substituted names.

  514.                   It can be <code>null</code>.</dd>

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

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

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

  518. <dd><a href="CtMethod.html#%3Cinit%3E(javassist.CtMethod,javassist.CtClass,javassist.ClassMap)"><code>CtMethod(CtMethod,CtClass,ClassMap)</code></a></dd>

  519. </dl>

  520. </li>

  521. </ul>

  522. <a id="abstractMethod(javassist.CtClass,java.lang.String,javassist.CtClass[],javassist.CtClass[],javassist.CtClass)">

  523. <!--   -->

  524. </a>

  525. <ul class="blockList">

  526. <li class="blockList">

  527. <h4>abstractMethod</h4>

  528. <pre class="methodSignature">public static&nbsp;<a href="CtMethod.html" title="class in javassist">CtMethod</a>&nbsp;abstractMethod&#8203;(<a href="CtClass.html" title="class in javassist">CtClass</a>&nbsp;returnType,

  529.                                       java.lang.String&nbsp;mname,

  530.                                       <a href="CtClass.html" title="class in javassist">CtClass</a>[]&nbsp;parameters,

  531.                                       <a href="CtClass.html" title="class in javassist">CtClass</a>[]&nbsp;exceptions,

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

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

  534. <div class="block">Creates a public abstract method.</div>

  535. <dl>

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

  537. <dd><code>returnType</code> - the type of the returned value</dd>

  538. <dd><code>mname</code> - the method name</dd>

  539. <dd><code>parameters</code> - a list of the parameter types</dd>

  540. <dd><code>exceptions</code> - a list of the exception types</dd>

  541. <dd><code>declaring</code> - the class to which the created method is added.</dd>

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

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

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

  545. <dd><a href="CtMethod.html#%3Cinit%3E(javassist.CtClass,java.lang.String,javassist.CtClass%5B%5D,javassist.CtClass)"><code>CtMethod(CtClass,String,CtClass[],CtClass)</code></a></dd>

  546. </dl>

  547. </li>

  548. </ul>

  549. <a id="getter(java.lang.String,javassist.CtField)">

  550. <!--   -->

  551. </a>

  552. <ul class="blockList">

  553. <li class="blockList">

  554. <h4>getter</h4>

  555. <pre class="methodSignature">public static&nbsp;<a href="CtMethod.html" title="class in javassist">CtMethod</a>&nbsp;getter&#8203;(java.lang.String&nbsp;methodName,

  556.                               <a href="CtField.html" title="class in javassist">CtField</a>&nbsp;field)

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

  558. <div class="block">Creates a public getter method.  The getter method returns the value

  559.  of the specified field in the class to which this method is added.

  560.  The created method is initially not static even if the field is

  561.  static.  Change the modifiers if the method should be static.</div>

  562. <dl>

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

  564. <dd><code>methodName</code> - the name of the getter</dd>

  565. <dd><code>field</code> - the field accessed.</dd>

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

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

  568. </dl>

  569. </li>

  570. </ul>

  571. <a id="setter(java.lang.String,javassist.CtField)">

  572. <!--   -->

  573. </a>

  574. <ul class="blockList">

  575. <li class="blockList">

  576. <h4>setter</h4>

  577. <pre class="methodSignature">public static&nbsp;<a href="CtMethod.html" title="class in javassist">CtMethod</a>&nbsp;setter&#8203;(java.lang.String&nbsp;methodName,

  578.                               <a href="CtField.html" title="class in javassist">CtField</a>&nbsp;field)

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

  580. <div class="block">Creates a public setter method.  The setter method assigns the

  581.  value of the first parameter to the specified field

  582.  in the class to which this method is added.

  583.  The created method is not static even if the field is

  584.  static.  You may not change it to be static

  585.  by <code>setModifiers()</code> in <code>CtBehavior</code>.</div>

  586. <dl>

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

  588. <dd><code>methodName</code> - the name of the setter</dd>

  589. <dd><code>field</code> - the field accessed.</dd>

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

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

  592. </dl>

  593. </li>

  594. </ul>

  595. <a id="delegator(javassist.CtMethod,javassist.CtClass)">

  596. <!--   -->

  597. </a>

  598. <ul class="blockList">

  599. <li class="blockList">

  600. <h4>delegator</h4>

  601. <pre class="methodSignature">public static&nbsp;<a href="CtMethod.html" title="class in javassist">CtMethod</a>&nbsp;delegator&#8203;(<a href="CtMethod.html" title="class in javassist">CtMethod</a>&nbsp;delegate,

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

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

  604. <div class="block">Creates a method forwarding to a delegate in

  605.  a super class.  The created method calls a method specified

  606.  by <code>delegate</code> with all the parameters passed to the

  607.  created method.  If the delegate method returns a value,

  608.  the created method returns that value to the caller.

  609.  The delegate method must be declared in a super class.

  610. 

  611.  <p>The following method is an example of the created method.

  612. 

  613.  <pre>

  614.  int f(int p, int q) {

  615.      return super.f(p, q);

  616.  }</pre>

  617. 

  618.  <p>The name of the created method can be changed by

  619.  <code>setName()</code>.</div>

  620. <dl>

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

  622. <dd><code>delegate</code> - the method that the created method forwards to.</dd>

  623. <dd><code>declaring</code> - the class to which the created method is

  624.                           added.</dd>

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

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

  627. </dl>

  628. </li>

  629. </ul>

  630. <a id="wrapped(javassist.CtClass,java.lang.String,javassist.CtClass[],javassist.CtClass[],javassist.CtMethod,javassist.CtMethod.ConstParameter,javassist.CtClass)">

  631. <!--   -->

  632. </a>

  633. <ul class="blockListLast">

  634. <li class="blockList">

  635. <h4>wrapped</h4>

  636. <pre class="methodSignature">public static&nbsp;<a href="CtMethod.html" title="class in javassist">CtMethod</a>&nbsp;wrapped&#8203;(<a href="CtClass.html" title="class in javassist">CtClass</a>&nbsp;returnType,

  637.                                java.lang.String&nbsp;mname,

  638.                                <a href="CtClass.html" title="class in javassist">CtClass</a>[]&nbsp;parameterTypes,

  639.                                <a href="CtClass.html" title="class in javassist">CtClass</a>[]&nbsp;exceptionTypes,

  640.                                <a href="CtMethod.html" title="class in javassist">CtMethod</a>&nbsp;body,

  641.                                <a href="CtMethod.ConstParameter.html" title="class in javassist">CtMethod.ConstParameter</a>&nbsp;constParam,

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

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

  644. <div class="block">Creates a wrapped method.  The wrapped method receives parameters

  645.  in the form of an array of <code>Object</code>.

  646. 

  647.  <p>The body of the created method is a copy of the body of the method

  648.  specified by <code>body</code>.  However, it is wrapped in

  649.  parameter-conversion code.

  650. 

  651.  <p>The method specified by <code>body</code> must have this singature:

  652. 

  653.  <pre>Object method(Object[] params, &lt;type&gt; cvalue)</pre>

  654. 

  655.  <p>The type of the <code>cvalue</code> depends on

  656.  <code>constParam</code>.

  657.  If <code>constParam</code> is <code>null</code>, the signature

  658.  must be:

  659. 

  660.  <pre>Object method(Object[] params)</pre>

  661. 

  662.  <p>The method body copied from <code>body</code> is wrapped in

  663.  parameter-conversion code, which converts parameters specified by

  664.  <code>parameterTypes</code> into an array of <code>Object</code>.

  665.  The returned value is also converted from the <code>Object</code>

  666.  type to the type specified by <code>returnType</code>.  Thus,

  667.  the resulting method body is as follows:

  668. 

  669.  <pre>

  670.  Object[] params = new Object[] { p0, p1, ... };

  671.  &lt;<i>type</i>&gt; cvalue = &lt;<i>constant-value</i>&gt;;

  672.   <i>... copied method body ...</i>

  673.  Object result = &lt;<i>returned value</i>&gt;

  674.  return (<i>&lt;returnType&gt;</i>)result;

  675.  </pre>

  676. 

  677.  <p>The variables <code>p0</code>, <code>p2</code>, ... represent

  678.  formal parameters of the created method.

  679.  The value of <code>cvalue</code> is specified by

  680.  <code>constParam</code>.

  681. 

  682.  <p>If the type of a parameter or a returned value is a primitive

  683.  type, then the value is converted into a wrapper object such as

  684.  <code>java.lang.Integer</code>.  If the type of the returned value

  685.  is <code>void</code>, the returned value is discarded.

  686. 

  687.  <p><i>Example:</i>

  688. 

  689.  <pre>

  690.  ClassPool pool = ... ;

  691.  CtClass vec = pool.makeClass("intVector");

  692.  vec.setSuperclass(pool.get("java.util.Vector"));

  693.  CtMethod addMethod = pool.getMethod("Sample", "add0");

  694. 

  695.  CtClass[] argTypes = { CtClass.intType };

  696.  CtMethod m = CtNewMethod.wrapped(CtClass.voidType, "add", argTypes,

  697.                                   null, addMethod, null, vec);

  698.  vec.addMethod(m);</pre>

  699. 

  700.  <p>where the class <code>Sample</code> is as follows:

  701. 

  702.  <pre>public class Sample extends java.util.Vector {

  703.      public Object add0(Object[] args) {

  704.          super.addElement(args[0]);

  705.          return null;

  706.      }

  707.  }</pre>

  708. 

  709.  <p>This program produces a class <code>intVector</code>:

  710. 

  711.  <pre>public class intVector extends java.util.Vector {

  712.      public void add(int p0) {

  713.          Object[] args = new Object[] { p0 };

  714.          // begin of the copied body

  715.          super.addElement(args[0]);

  716.          Object result = null;

  717.          // end

  718.      }

  719.  }</pre>

  720. 

  721.  <p>Note that the type of the parameter to <code>add()</code> depends

  722.  only on the value of <code>argTypes</code> passed to

  723.  <code>CtNewMethod.wrapped()</code>.  Thus, it is easy to

  724.  modify this program to produce a

  725.  <code>StringVector</code> class, which is a vector containing

  726.  only <code>String</code> objects, and other vector classes.</div>

  727. <dl>

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

  729. <dd><code>returnType</code> - the type of the returned value.</dd>

  730. <dd><code>mname</code> - the method name.</dd>

  731. <dd><code>parameterTypes</code> - a list of the parameter types.</dd>

  732. <dd><code>exceptionTypes</code> - a list of the exception types.</dd>

  733. <dd><code>body</code> - the method body

  734.                           (must not be a static method).</dd>

  735. <dd><code>constParam</code> - the constant parameter

  736.                           (maybe <code>null</code>).</dd>

  737. <dd><code>declaring</code> - the class to which the created method is

  738.                           added.</dd>

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

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

  741. </dl>

  742. </li>

  743. </ul>

  744. </li>

  745. </ul>

  746. </section>

  747. </li>

  748. </ul>

  749. </div>

  750. </div>

  751. </main>

  752. <!-- ========= END OF CLASS DATA ========= -->

  753. <footer role="contentinfo">

  754. <nav role="navigation">

  755. <!-- ======= START OF BOTTOM NAVBAR ====== -->

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