public static void main(String[] args) throws Exception { Class clazz = Class.forName("com.mtl.spring.aop.helloworld.ArithmeticCalculatorLoggingProxy"); Object object = clazz.newInstance(); Method[] methods = clazz.getMethods(); StringBuffer sb = new StringBuffer(); sb.append("public class ") .append(object.getClass().getCanonicalName()) .append("{\n") .append("Object object ") .append("\n"); Constructor[] constructors = clazz.getConstructors(); for (Constructor constructor : constructors) { sb.append("\npublic ").append(constructor.getName()).append("("); Class<?> p[] = constructor.getParameterTypes(); for (int j = 0; j < p.length; ++j) { sb.append(p[j].getName() + " arg" + j); if (j < p.length - 1) { sb.delete(sb.length() - 1, sb.length()); } } sb.append(") {").append("\n\n"); sb.append("user.role.cotain(\"/admin/add\") {"); sb.append("\n System.currentTimeMillis();\n"); sb.append("this.object = ").append("arg0"); sb.append("}"); sb.append(" \nSystem.currentTimeMillis();\n"); sb.append("\n}"); } sb.append("\n\n}"); System.out.println(sb); for (Method method : methods) { System.out.println(method.getName()); } }
/** @see jaskell.compiler.JaskellVisitor#visit(Constructor) */ public Object visit(Constructor a) { Type ret = a.getType(); if (ret != null) return ret; String vname = a.getName(); ConstructorDefinition def = (ConstructorDefinition) a.lookup(vname); if (def == null) // unknown symbol throw new CompilerException("Unknown constructor " + vname); ret = new TypeInstantiator(def.getType()).instance(); a.setType(ret); return ret; }
/** * Prints all constructors of a class * * @param cl a class */ public static void printConstructors(Class cl) { Constructor[] constructors = cl.getDeclaredConstructors(); for (Constructor c : constructors) { String name = c.getName(); System.out.print(" "); String modifiers = Modifier.toString(c.getModifiers()); if (modifiers.length() > 0) System.out.print(modifiers + " "); System.out.print(name + "("); // print parameter types Class[] paramTypes = c.getParameterTypes(); for (int j = 0; j < paramTypes.length; j++) { if (j > 0) System.out.print(", "); System.out.print(paramTypes[j].getName()); } System.out.println(");"); } }
/** Reflect operations demo */ public static void reflect(Object obj) { // `cls用于描述对象所属的类` Class cls = obj.getClass(); print("Class Name: " + cls.getCanonicalName()); // `fields包含对象的所有属性` Field[] fields = cls.getDeclaredFields(); print("List of fields:"); for (Field f : fields) { print(String.format("%30s %15s", f.getType(), f.getName())); } // `methods包含对象的所有方法` Method[] methods = cls.getDeclaredMethods(); print("List of methods:"); for (Method m : methods) print( String.format( "%30s %15s %30s", m.getReturnType(), m.getName(), Arrays.toString(m.getParameterTypes()))); Constructor[] constructors = cls.getConstructors(); print("List of contructors:"); for (Constructor c : constructors) print(String.format("%30s %15s", c.getName(), Arrays.toString(c.getParameterTypes()))); }