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())));
}
