@Test
public void testgeneric3() throws SecurityException, NoSuchMethodException {
System.out.println("==== testgeneric3 ====");
Type c1 = new TypeToken<GenericTypeTemplateTest<java.sql.Date>>() {}.getType(); // 得到泛型类的实例类型。
Type c = GenericUtils.newGenericType(GenericTypeTemplateTest.class, java.sql.Date.class);
ClassEx cw = new ClassEx(c);
MethodEx method = cw.getFirstMethodByName("test1");
Type type = method.getGenericReturnType();
Type result = GenericUtils.getBoundType(type, cw);
System.out.println("result:" + result);
// Type type=method.getGenericReturnType();
// ParameterizedType pType=(ParameterizedType)type;
//
//
//
// System.out.println(pType.getActualTypeArguments()[0]);
// WildcardType wt=(WildcardType)pType.getActualTypeArguments()[0];
// TypeVariable upper=(TypeVariable)wt.getUpperBounds()[0];
// Type context=cw.getImplType(upper);
// System.out.println(context);
//
// Type result=GenericUtils.newGenericType((Class<?>)pType.getRawType(), context);
// System.out.println(result);
}
@Test
public void testgeneric5() throws SecurityException, NoSuchMethodException {
System.out.println("==== testgeneric5 ====");
Type map1 = GenericUtils.newMapType(String.class, String.class);
Type map2 = GenericUtils.newMapType(String.class, Object.class);
Type map3 = Map.class;
Type c = GenericUtils.newGenericType(GenericTypeTemplateTest.class, java.sql.Date.class);
ClassEx cw = new ClassEx(c);
MethodEx method = cw.getFirstMethodByName("test4");
System.out.println(map1.equals(method.getGenericParameterTypes()[0]));
System.out.println(map2.equals(method.getGenericReturnType()));
}
@Test
public void testgeneric2() throws SecurityException, NoSuchMethodException {
System.out.println("==== testgeneric2 ====");
Type c = new TypeToken<GenericTypeTemplateTest<java.sql.Date>>() {}.getType(); // 得到泛型类的实例类型。
Type context = GenericUtils.resolve(null, c);
Method m = GenericUtils.getRawClass(c).getMethod("test1"); // 得到方法
Type methodReturn = GenericUtils.resolve2(c, m.getGenericReturnType());
System.out.println(methodReturn);
// 用非泛型的实例无法计算出类型
System.out.println("==== testgeneric2b ====");
methodReturn = GenericUtils.resolve(null, GenericUtils.getRawClass(c));
System.out.println(methodReturn);
}
@Test
public void testmain() throws SecurityException, NoSuchMethodException {
System.out.println("==== testmain ====");
// TypeToken 通过子类继承来描述出一个泛型类的实际类型。
TypeToken<GenericTypeTemplateTest<Timestamp>> c =
new TypeToken<GenericTypeTemplateTest<Timestamp>>() {}; // 得到泛型类的实例类型。
Type type1 = GenericUtils.resolve(null, c.getType());
System.out.println(type1);
}
@Test
public void testgeneric4() throws SecurityException, NoSuchMethodException {
System.out.println("==== testgeneric4 ====");
Type type = GenericUtils.newArrayType(String.class);
System.out.println(type.getClass().getName());
System.out.println("isRawArray:" + GenericUtils.isRawArray(type));
System.out.println("rawType:" + GenericUtils.getRawClass(type));
Class<?> c = new String[0].getClass();
System.out.println(c.getClass().getName());
System.out.println(c.getName());
System.out.println(c);
System.out.println(type.equals(c));
System.out.println("==== testgeneric4b ====");
FieldEx field = BeanUtils.getField(GenericTypeTemplateTest.class, "field1");
System.out.println(field.getType().equals(c));
System.out.println(field.getGenericType().equals(c)); // 当不是泛型时，返回的是class对象
System.out.println(field.getType());
System.out.println(field.getGenericType());
System.out.println(type);
System.out.println(field.getGenericType().equals(type));
System.out.println("==== testgeneric4c ====");
field = BeanUtils.getField(GenericTypeTemplateTest.class, "field2");
System.out.println(field.getType());
System.out.println(field.getGenericType());
type = field.getGenericType();
System.out.println("isRawArray:" + GenericUtils.isRawArray(type));
System.out.println("rawType:" + GenericUtils.getRawClass(type));
System.out.println(GenericUtils.getRawClass(type).equals(field.getType()));
}