Initial commit

src/main/java/haidnor/jvm/util/JavaClassUtil.java

@@ -0,0 +1,22 @@
+package haidnor.jvm.util;
+
+import haidnor.jvm.rtda.heap.Klass;
+import haidnor.jvm.rtda.heap.KlassMethod;
+import org.apache.bcel.classfile.JavaClass;
+
+public abstract class JavaClassUtil {
+
+    /**
+     * 获取 main 方法
+     */
+    public static KlassMethod getMainMethod(Klass aKlass) {
+        JavaClass javaClass = aKlass.getJavaClass();
+        for (org.apache.bcel.classfile.Method method : javaClass.getMethods()) {
+            if (method.toString().startsWith("public static void main(String[] args)")) {
+                return new KlassMethod(aKlass, method);
+            }
+        }
+        return null;
+    }
+
+}