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javassist/html/javassist/CtField.html

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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>CtField (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">

  11. <script type="text/javascript" src="../script.js"></script>

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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="CtField (Javassist API)";

  26.         }

  27.     }

  28.     catch(err) {

  29.     }

  30. //-->

  31. var data = {"i0":10,"i1":10,"i2":10,"i3":10,"i4":10,"i5":10,"i6":10,"i7":10,"i8":10,"i9":10,"i10":10,"i11":10,"i12":10,"i13":10,"i14":9,"i15":10,"i16":10,"i17":10,"i18":10,"i19":10,"i20":10};

  32. var tabs = {65535:["t0","All Methods"],1:["t1","Static Methods"],2:["t2","Instance Methods"],8:["t4","Concrete Methods"]};

  33. var altColor = "altColor";

  34. var rowColor = "rowColor";

  35. var tableTab = "tableTab";

  36. var activeTableTab = "activeTableTab";

  37. var pathtoroot = "../";

  38. var useModuleDirectories = true;

  39. loadScripts(document, 'script');</script>

  40. <noscript>

  41. <div>JavaScript is disabled on your browser.</div>

  42. </noscript>

  43. <header role="banner">

  44. <nav role="navigation">

  45. <div class="fixedNav">

  46. <!-- ========= START OF TOP NAVBAR ======= -->

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  54. <ul class="navList" title="Navigation">

  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/CtField.html">Use</a></li>

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

  60. <li><a href="../deprecated-list.html">Deprecated</a></li>

  61. <li><a href="../index-all.html">Index</a></li>

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  76.   allClassesLink = document.getElementById("allclasses_navbar_top");

  77.   if(window==top) {

  78.     allClassesLink.style.display = "block";

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  86. <div>JavaScript is disabled on your browser.</div>

  87. </noscript>

  88. </div>

  89. <div>

  90. <ul class="subNavList">

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

  92. <li><a href="#nested.class.summary">Nested</a>&nbsp;|&nbsp;</li>

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

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

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

  96. </ul>

  97. <ul class="subNavList">

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

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

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

  101. <li><a href="#method.detail">Method</a></li>

  102. </ul>

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  109. <div class="navPadding">&nbsp;</div>

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

  111. $('.navPadding').css('padding-top', $('.fixedNav').css("height"));

  112. //-->

  113. </script>

  114. </nav>

  115. </header>

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

  131. </ul>

  132. </li>

  133. </ul>

  134. </li>

  135. </ul>

  136. <div class="description">

  137. <ul class="blockList">

  138. <li class="blockList">

  139. <hr>

  140. <pre>public class <span class="typeNameLabel">CtField</span>

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

  142. <div class="block">An instance of CtField represents a field.</div>

  143. <dl>

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

  145. <dd><a href="CtClass.html#getDeclaredFields()"><code>CtClass.getDeclaredFields()</code></a></dd>

  146. </dl>

  147. </li>

  148. </ul>

  149. </div>

  150. <div class="summary">

  151. <ul class="blockList">

  152. <li class="blockList">

  153. <!-- ======== NESTED CLASS SUMMARY ======== -->

  154. <section role="region">

  155. <ul class="blockList">

  156. <li class="blockList"><a id="nested.class.summary">

  157. <!--   -->

  158. </a>

  159. <h3>Nested Class Summary</h3>

  160. <table class="memberSummary">

  161. <caption><span>Nested Classes</span><span class="tabEnd">&nbsp;</span></caption>

  162. <tr>

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

  164. <th class="colSecond" scope="col">Class</th>

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

  166. </tr>

  167. <tr class="altColor">

  168. <td class="colFirst"><code>static class&nbsp;</code></td>

  169. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="CtField.Initializer.html" title="class in javassist">CtField.Initializer</a></span></code></th>

  170. <td class="colLast">

  171. <div class="block">Instances of this class specify how to initialize a field.</div>

  172. </td>

  173. </tr>

  174. </table>

  175. </li>

  176. </ul>

  177. </section>

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

  179. <section role="region">

  180. <ul class="blockList">

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

  182. <!--   -->

  183. </a>

  184. <h3>Constructor Summary</h3>

  185. <table class="memberSummary">

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

  187. <tr>

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

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

  190. </tr>

  191. <tr class="altColor">

  192. <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(javassist.CtClass,java.lang.String,javassist.CtClass)">CtField</a></span>&#8203;(<a href="CtClass.html" title="class in javassist">CtClass</a>&nbsp;type,

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

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

  195. <td class="colLast">

  196. <div class="block">Creates a <code>CtField</code> object.</div>

  197. </td>

  198. </tr>

  199. <tr class="rowColor">

  200. <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(javassist.CtField,javassist.CtClass)">CtField</a></span>&#8203;(<a href="CtField.html" title="class in javassist">CtField</a>&nbsp;src,

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

  202. <td class="colLast">

  203. <div class="block">Creates a copy of the given field.</div>

  204. </td>

  205. </tr>

  206. </table>

  207. </li>

  208. </ul>

  209. </section>

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

  211. <section role="region">

  212. <ul class="blockList">

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

  214. <!--   -->

  215. </a>

  216. <h3>Method Summary</h3>

  217. <table class="memberSummary">

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

  219. <tr>

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

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

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

  223. </tr>

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

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

  226. <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>

  227. <td class="colLast">

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

  229. </td>

  230. </tr>

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

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

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

  234. <td class="colLast">

  235. <div class="block">Returns the annotations associated with this field.</div>

  236. </td>

  237. </tr>

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

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

  240. <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>

  241. <td class="colLast">

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

  243. </td>

  244. </tr>

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

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

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

  248. <td class="colLast">

  249. <div class="block">Returns the annotations associated with this field.</div>

  250. </td>

  251. </tr>

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

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

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

  255. <td class="colLast">

  256. <div class="block">Returns the value of this field if it is a constant field.</div>

  257. </td>

  258. </tr>

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

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

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

  262. <td class="colLast">

  263. <div class="block">Returns the class declaring the field.</div>

  264. </td>

  265. </tr>

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

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

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

  269. <td class="colLast">

  270. <div class="block">Returns the FieldInfo representing the field in the class file.</div>

  271. </td>

  272. </tr>

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

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

  275. <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getFieldInfo2()">getFieldInfo2</a></span>()</code></th>

  276. <td class="colLast">

  277. <div class="block">Returns the FieldInfo representing the field in the class

  278.  file (read only).</div>

  279. </td>

  280. </tr>

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

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

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

  284. <td class="colLast">

  285. <div class="block">Returns the generic signature of the field.</div>

  286. </td>

  287. </tr>

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

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

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

  291. <td class="colLast">

  292. <div class="block">Returns the encoded modifiers of the field.</div>

  293. </td>

  294. </tr>

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

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

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

  298. <td class="colLast">

  299. <div class="block">Returns the name of the field.</div>

  300. </td>

  301. </tr>

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

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

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

  305. <td class="colLast">

  306. <div class="block">Returns the character string representing the type of the field.</div>

  307. </td>

  308. </tr>

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

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

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

  312. <td class="colLast">

  313. <div class="block">Returns the type of the field.</div>

  314. </td>

  315. </tr>

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

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

  318. <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>

  319. <td class="colLast">

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

  321. </td>

  322. </tr>

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

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

  325. <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,

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

  327. <td class="colLast">

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

  329. </td>

  330. </tr>

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

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

  333. <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,

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

  335. <td class="colLast">

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

  337. </td>

  338. </tr>

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

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

  341. <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>

  342. <td class="colLast">

  343. <div class="block">Set the generic signature of the field.</div>

  344. </td>

  345. </tr>

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

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

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

  349. <td class="colLast">

  350. <div class="block">Sets the encoded modifiers of the field.</div>

  351. </td>

  352. </tr>

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

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

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

  356. <td class="colLast">

  357. <div class="block">Changes the name of the field.</div>

  358. </td>

  359. </tr>

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

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

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

  363. <td class="colLast">

  364. <div class="block">Sets the type of the field.</div>

  365. </td>

  366. </tr>

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

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

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

  370. <td class="colLast">

  371. <div class="block">Returns a String representation of the object.</div>

  372. </td>

  373. </tr>

  374. </table>

  375. <ul class="blockList">

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

  377. <!--   -->

  378. </a>

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

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

  381. </ul>

  382. <ul class="blockList">

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

  384. <!--   -->

  385. </a>

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

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

  388. </ul>

  389. </li>

  390. </ul>

  391. </section>

  392. </li>

  393. </ul>

  394. </div>

  395. <div class="details">

  396. <ul class="blockList">

  397. <li class="blockList">

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

  399. <section role="region">

  400. <ul class="blockList">

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

  402. <!--   -->

  403. </a>

  404. <h3>Constructor Detail</h3>

  405. <a id="&lt;init&gt;(javassist.CtClass,java.lang.String,javassist.CtClass)">

  406. <!--   -->

  407. </a>

  408. <ul class="blockList">

  409. <li class="blockList">

  410. <h4>CtField</h4>

  411. <pre>public&nbsp;CtField&#8203;(<a href="CtClass.html" title="class in javassist">CtClass</a>&nbsp;type,

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

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

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

  415. <div class="block">Creates a <code>CtField</code> object.

  416.  The created field must be added to a class

  417.  with <code>CtClass.addField()</code>.

  418.  An initial value of the field is specified

  419.  by a <code>CtField.Initializer</code> object.

  420. 

  421.  <p>If getter and setter methods are needed,

  422.  call <code>CtNewMethod.getter()</code> and 

  423.  <code>CtNewMethod.setter()</code>.</div>

  424. <dl>

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

  426. <dd><code>type</code> - field type</dd>

  427. <dd><code>name</code> - field name</dd>

  428. <dd><code>declaring</code> - the class to which the field will be added.</dd>

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

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

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

  432. <dd><a href="CtClass.html#addField(javassist.CtField)"><code>CtClass.addField(CtField)</code></a>, 

  433. <a href="CtNewMethod.html#getter(java.lang.String,javassist.CtField)"><code>CtNewMethod.getter(String,CtField)</code></a>, 

  434. <a href="CtNewMethod.html#setter(java.lang.String,javassist.CtField)"><code>CtNewMethod.setter(String,CtField)</code></a>, 

  435. <a href="CtField.Initializer.html" title="class in javassist"><code>CtField.Initializer</code></a></dd>

  436. </dl>

  437. </li>

  438. </ul>

  439. <a id="&lt;init&gt;(javassist.CtField,javassist.CtClass)">

  440. <!--   -->

  441. </a>

  442. <ul class="blockListLast">

  443. <li class="blockList">

  444. <h4>CtField</h4>

  445. <pre>public&nbsp;CtField&#8203;(<a href="CtField.html" title="class in javassist">CtField</a>&nbsp;src,

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

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

  448. <div class="block">Creates a copy of the given field.

  449.  The created field must be added to a class

  450.  with <code>CtClass.addField()</code>.

  451.  An initial value of the field is specified

  452.  by a <code>CtField.Initializer</code> object.

  453. 

  454.  <p>If getter and setter methods are needed,

  455.  call <code>CtNewMethod.getter()</code> and 

  456.  <code>CtNewMethod.setter()</code>.</div>

  457. <dl>

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

  459. <dd><code>src</code> - the original field</dd>

  460. <dd><code>declaring</code> - the class to which the field will be added.</dd>

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

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

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

  464. <dd><a href="CtNewMethod.html#getter(java.lang.String,javassist.CtField)"><code>CtNewMethod.getter(String,CtField)</code></a>, 

  465. <a href="CtNewMethod.html#setter(java.lang.String,javassist.CtField)"><code>CtNewMethod.setter(String,CtField)</code></a>, 

  466. <a href="CtField.Initializer.html" title="class in javassist"><code>CtField.Initializer</code></a></dd>

  467. </dl>

  468. </li>

  469. </ul>

  470. </li>

  471. </ul>

  472. </section>

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

  474. <section role="region">

  475. <ul class="blockList">

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

  477. <!--   -->

  478. </a>

  479. <h3>Method Detail</h3>

  480. <a id="toString()">

  481. <!--   -->

  482. </a>

  483. <ul class="blockList">

  484. <li class="blockList">

  485. <h4>toString</h4>

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

  487. <div class="block">Returns a String representation of the object.</div>

  488. <dl>

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

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

  491. </dl>

  492. </li>

  493. </ul>

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

  495. <!--   -->

  496. </a>

  497. <ul class="blockList">

  498. <li class="blockList">

  499. <h4>make</h4>

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

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

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

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

  504.  Examples of the source code are:

  505. 

  506.  <pre>

  507.  "public String name;"

  508.  "public int k = 3;"</pre>

  509. 

  510.  <p>Note that the source code ends with <code>';'</code>

  511.  (semicolon).</div>

  512. <dl>

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

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

  515. <dd><code>declaring</code> - the class to which the created field is added.</dd>

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

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

  518. </dl>

  519. </li>

  520. </ul>

  521. <a id="getFieldInfo()">

  522. <!--   -->

  523. </a>

  524. <ul class="blockList">

  525. <li class="blockList">

  526. <h4>getFieldInfo</h4>

  527. <pre class="methodSignature">public&nbsp;<a href="bytecode/FieldInfo.html" title="class in javassist.bytecode">FieldInfo</a>&nbsp;getFieldInfo()</pre>

  528. <div class="block">Returns the FieldInfo representing the field in the class file.</div>

  529. </li>

  530. </ul>

  531. <a id="getFieldInfo2()">

  532. <!--   -->

  533. </a>

  534. <ul class="blockList">

  535. <li class="blockList">

  536. <h4>getFieldInfo2</h4>

  537. <pre class="methodSignature">public&nbsp;<a href="bytecode/FieldInfo.html" title="class in javassist.bytecode">FieldInfo</a>&nbsp;getFieldInfo2()</pre>

  538. <div class="block">Returns the FieldInfo representing the field in the class

  539.  file (read only).

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

  541.  <code>getFieldInfo()</code>.

  542. 

  543.  <p>The <code>FieldInfo</code> object obtained by this method

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

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

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

  547. 

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

  549.  containing this field is frozen.  However, if the class is

  550.  frozen, the <code>FieldInfo</code> might be also pruned.</div>

  551. <dl>

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

  553. <dd><a href="#getFieldInfo()"><code>getFieldInfo()</code></a>, 

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

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

  556. </dl>

  557. </li>

  558. </ul>

  559. <a id="getDeclaringClass()">

  560. <!--   -->

  561. </a>

  562. <ul class="blockList">

  563. <li class="blockList">

  564. <h4>getDeclaringClass</h4>

  565. <pre class="methodSignature">public&nbsp;<a href="CtClass.html" title="class in javassist">CtClass</a>&nbsp;getDeclaringClass()</pre>

  566. <div class="block">Returns the class declaring the field.</div>

  567. <dl>

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

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

  570. </dl>

  571. </li>

  572. </ul>

  573. <a id="getName()">

  574. <!--   -->

  575. </a>

  576. <ul class="blockList">

  577. <li class="blockList">

  578. <h4>getName</h4>

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

  580. <div class="block">Returns the name of the field.</div>

  581. <dl>

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

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

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

  585. <dd><a href="CtConstructor.html#getName()"><code>CtConstructor.getName()</code></a></dd>

  586. </dl>

  587. </li>

  588. </ul>

  589. <a id="setName(java.lang.String)">

  590. <!--   -->

  591. </a>

  592. <ul class="blockList">

  593. <li class="blockList">

  594. <h4>setName</h4>

  595. <pre class="methodSignature">public&nbsp;void&nbsp;setName&#8203;(java.lang.String&nbsp;newName)</pre>

  596. <div class="block">Changes the name of the field.</div>

  597. </li>

  598. </ul>

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

  600. <!--   -->

  601. </a>

  602. <ul class="blockList">

  603. <li class="blockList">

  604. <h4>getModifiers</h4>

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

  606. <div class="block">Returns the encoded modifiers of the field.</div>

  607. <dl>

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

  609. <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>

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

  611. <dd>modifiers encoded with

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

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

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

  615. </dl>

  616. </li>

  617. </ul>

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

  619. <!--   -->

  620. </a>

  621. <ul class="blockList">

  622. <li class="blockList">

  623. <h4>setModifiers</h4>

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

  625. <div class="block">Sets the encoded modifiers of the field.</div>

  626. <dl>

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

  628. <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>

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

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

  631. </dl>

  632. </li>

  633. </ul>

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

  635. <!--   -->

  636. </a>

  637. <ul class="blockList">

  638. <li class="blockList">

  639. <h4>hasAnnotation</h4>

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

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

  642. <dl>

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

  644. <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>

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

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

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

  648. <dd><code>true</code> if the annotation is found, otherwise <code>false</code>.</dd>

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

  650. <dd>3.21</dd>

  651. </dl>

  652. </li>

  653. </ul>

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

  655. <!--   -->

  656. </a>

  657. <ul class="blockList">

  658. <li class="blockList">

  659. <h4>getAnnotation</h4>

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

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

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

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

  664.  with this field, an <code>Author</code> object is returned.

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

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

  667. <dl>

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

  669. <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>

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

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

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

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

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

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

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

  677. <dd>3.11</dd>

  678. </dl>

  679. </li>

  680. </ul>

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

  682. <!--   -->

  683. </a>

  684. <ul class="blockList">

  685. <li class="blockList">

  686. <h4>getAnnotations</h4>

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

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

  689. <div class="block">Returns the annotations associated with this field.</div>

  690. <dl>

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

  692. <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>

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

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

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

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

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

  698. <dd>3.1</dd>

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

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

  701. </dl>

  702. </li>

  703. </ul>

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

  705. <!--   -->

  706. </a>

  707. <ul class="blockList">

  708. <li class="blockList">

  709. <h4>getAvailableAnnotations</h4>

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

  711. <div class="block">Returns the annotations associated with this field.

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

  713.  in the returned array.</div>

  714. <dl>

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

  716. <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>

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

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

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

  720. <dd>3.3</dd>

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

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

  723. </dl>

  724. </li>

  725. </ul>

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

  727. <!--   -->

  728. </a>

  729. <ul class="blockList">

  730. <li class="blockList">

  731. <h4>getSignature</h4>

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

  733. <div class="block">Returns the character string representing the type of the field.

  734.  The field signature is represented by a character string

  735.  called a field descriptor, which is defined in the JVM specification.

  736.  If two fields have the same type,

  737.  <code>getSignature()</code> returns the same string.

  738. 

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

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

  741.  a descriptor.</div>

  742. <dl>

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

  744. <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>

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

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

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

  748. </dl>

  749. </li>

  750. </ul>

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

  752. <!--   -->

  753. </a>

  754. <ul class="blockList">

  755. <li class="blockList">

  756. <h4>getGenericSignature</h4>

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

  758. <div class="block">Returns the generic signature of the field.

  759.  It represents a type including type variables.</div>

  760. <dl>

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

  762. <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>

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

  764. <dd>3.17</dd>

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

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

  767. </dl>

  768. </li>

  769. </ul>

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

  771. <!--   -->

  772. </a>

  773. <ul class="blockList">

  774. <li class="blockList">

  775. <h4>setGenericSignature</h4>

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

  777. <div class="block">Set the generic signature of the field.

  778.  It represents a type including type variables.

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

  780.  for a code sample.</div>

  781. <dl>

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

  783. <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>

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

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

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

  787. <dd>3.17</dd>

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

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

  790. </dl>

  791. </li>

  792. </ul>

  793. <a id="getType()">

  794. <!--   -->

  795. </a>

  796. <ul class="blockList">

  797. <li class="blockList">

  798. <h4>getType</h4>

  799. <pre class="methodSignature">public&nbsp;<a href="CtClass.html" title="class in javassist">CtClass</a>&nbsp;getType()

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

  801. <div class="block">Returns the type of the field.</div>

  802. <dl>

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

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

  805. </dl>

  806. </li>

  807. </ul>

  808. <a id="setType(javassist.CtClass)">

  809. <!--   -->

  810. </a>

  811. <ul class="blockList">

  812. <li class="blockList">

  813. <h4>setType</h4>

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

  815. <div class="block">Sets the type of the field.

  816. 

  817.  <p>This method does not automatically update method bodies that access

  818.  this field.  They have to be explicitly updated.  For example,

  819.  if some method contains an expression <code>t.value</code> and the type

  820.  of the variable <code>t</code> is changed by <a href="#setType(javassist.CtClass)"><code>setType(CtClass)</code></a>

  821.  from <code>int</code> to <code>double</code>, then <code>t.value</code> has to be modified

  822.  as well since the bytecode of <code>t.value</code> contains the type information.

  823.  </p></div>

  824. <dl>

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

  826. <dd><a href="CodeConverter.html" title="class in javassist"><code>CodeConverter</code></a>, 

  827. <a href="expr/ExprEditor.html" title="class in javassist.expr"><code>ExprEditor</code></a></dd>

  828. </dl>

  829. </li>

  830. </ul>

  831. <a id="getConstantValue()">

  832. <!--   -->

  833. </a>

  834. <ul class="blockList">

  835. <li class="blockList">

  836. <h4>getConstantValue</h4>

  837. <pre class="methodSignature">public&nbsp;java.lang.Object&nbsp;getConstantValue()</pre>

  838. <div class="block">Returns the value of this field if it is a constant field.

  839.  This method works only if the field type is a primitive type

  840.  or <code>String</code> type.  Otherwise, it returns <code>null</code>.

  841.  A constant field is <code>static</code> and <code>final</code>.</div>

  842. <dl>

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

  844. <dd>a <code>Integer</code>, <code>Long</code>, <code>Float</code>,

  845.           <code>Double</code>, <code>Boolean</code>,

  846.           or <code>String</code> object

  847.           representing the constant value. 

  848.           <code>null</code> if it is not a constant field

  849.           or if the field type is not a primitive type

  850.           or <code>String</code>.</dd>

  851. </dl>

  852. </li>

  853. </ul>

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

  855. <!--   -->

  856. </a>

  857. <ul class="blockList">

  858. <li class="blockList">

  859. <h4>getAttribute</h4>

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

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

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

  863.  method returns null.

  864. 

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

  866.  the class file format.

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

  868. <dl>

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

  870. <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>

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

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

  873. </dl>

  874. </li>

  875. </ul>

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

  877. <!--   -->

  878. </a>

  879. <ul class="blockListLast">

  880. <li class="blockList">

  881. <h4>setAttribute</h4>

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

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

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

  885. 

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

  887.  the class file format.

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

  889. <dl>

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

  891. <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>

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

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

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

  895. </dl>

  896. </li>

  897. </ul>

  898. </li>

  899. </ul>

  900. </section>

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