a field instruction added

hakdogan · Mar 31, 2024 · 62e2120 · 62e2120
1 parent ad6e309
commit 62e2120
Showing 1 changed file with 12 additions and 12 deletions.
diff --git a/src/main/java/org/jugistanbul/GenerateClass.java b/src/main/java/org/jugistanbul/GenerateClass.java
@@ -1,15 +1,13 @@
 package org.jugistanbul;
 
 import java.io.IOException;
-import java.lang.classfile.ClassFile;
-import java.lang.classfile.Opcode;
+import java.lang.classfile.*;
 import java.lang.constant.MethodTypeDesc;
 import java.nio.file.Path;
 
-import static java.lang.classfile.ClassFile.ACC_PUBLIC;
-import static java.lang.classfile.ClassFile.ACC_STATIC;
+import static java.lang.classfile.ClassFile.*;
 import static java.lang.constant.ClassDesc.of;
-import static java.lang.constant.ConstantDescs.CD_void;
+import static java.lang.constant.ConstantDescs.*;
 
 /**
  * @author hakdogan (huseyin.akdogan@patikaglobal.com)
@@ -19,19 +17,21 @@ public class GenerateClass
 {
     public static void main(String[] args) throws IOException {
 
-        ClassFile.of().buildTo(Path.of("HelloJEP457.class"), of("HelloJEP457"),
+        var className = Info.CLASS_NAME.getClassName();
+        ClassFile.of().buildTo(Path.of(STR."\{className}.class"), of(className),
                 classBuilder -> classBuilder
+                        .withField("myField", of("java.lang.String"), ACC_PRIVATE)
                         .withMethodBody("hello", MethodTypeDesc.of(CD_void), ACC_STATIC,
                                 codeBuilder -> codeBuilder
                                         .getstatic(of("java.lang.System"), "out", of("java.io.PrintStream"))
                                         .ldc("Hello, this class is generated by Class-File API which is a preview API to provide a standard API for parsing, generating, and transforming Java class files.")
-                                        .invokevirtual(of("java.io.PrintStream"),
-                                                "println", MethodTypeDesc.of(CD_void, of("java.lang.Object"))).return_())
-                        .withMethodBody("main", MethodTypeDesc.of(CD_void, of("java.lang.String").arrayType()),
-                                ACC_PUBLIC | ACC_STATIC,
+                                        .invokevirtual(of("java.io.PrintStream"), "println",
+                                                MethodTypeDesc.of(CD_void, of("java.lang.Object")))
+                                        .return_())
+                        .withMethodBody("main", MethodTypeDesc.of(CD_void, of("java.lang.String").arrayType()), ACC_PUBLIC | ACC_STATIC,
                                 codeBuilder -> codeBuilder
-                                                .invokeInstruction(Opcode.INVOKESTATIC, of("HelloJEP457"),
-                                                        "hello", MethodTypeDesc.of(CD_void), false)
+                                                .invokeInstruction(Opcode.INVOKESTATIC, of(className), "hello", MethodTypeDesc.of(CD_void), false)
                                                 .return_()));
     }
+
 }