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diff --git a/tutorial/tutorial3.html b/tutorial/tutorial3.html index 418ef719..4d7d2e27 100644 --- a/tutorial/tutorial3.html +++ b/tutorial/tutorial3.html @@ -24,6 +24,8 @@ <p><a href="#generics">6. Generics</a> +<p><a href="#j2me">7. J2ME</a> + <p><br> <a name="intro"> @@ -285,6 +287,29 @@ public Object get() { return value; } <p><br> +<h2><a name="j2me">7. J2ME</a></h2> + +<p>If you modify a class file for the J2ME execution environment, +you must perform <it>preverification</it>. Preverifying is basically +producing a stack map table, which was introduced into J2SE at JDK 1.6. +However, Javassist does not automatically produce a stack map table +for class files compiled by the J2ME compiler. You have to manually +produce stack map tables for the modified methods. + +<p>For a given method represented by a <code>CtMethod</code> object <code>m</code>, +you can produce a stack map table by calling the following methods: + +<ul><pre> +m.getMethodInfo().rebuildStackMap(cpool); +</pre></ul> + +<p>Here, <code>cpool</code> is a <code>ClassPool</code> object, which is +available by calling <code>getClassPool()</code> on a <code>CtClass</code> +object. A <code>ClassPool</code> object is responsible for finding +class files from given class pathes. + +<p><br> + <a href="tutorial2.html">Previous page</a> <hr> |