How to use

CachingIntrospector

in

jodd.introspector

/**
 * {@inheritDoc}
 */
public ClassDescriptor register(Class type) {
  ClassDescriptor cd = describeClass(type);
  cache.put(type, cd);
  return cd;
}

  @Test
  void testFieldPrefix2() {
    BeanUtilBean beanUtilBean = new BeanUtilBean();

    LifeBean lifeBean = new LifeBean();

    String bar = beanUtilBean.getProperty(lifeBean, "bar").toString();

    assertEquals("bar", bar);

    beanUtilBean.setIntrospector(new CachingIntrospector(true, true, true, new String[] {"_"}));

    bar = beanUtilBean.getProperty(lifeBean, "bar").toString();

    assertEquals("_bar", bar);
  }
}

@Test
void testFieldPrefix1() {
  LifeBean lifeBean = new LifeBean();
  String foo = BeanUtil.pojo.getProperty(lifeBean, "foo").toString();
  assertEquals("foo", foo);
  ClassIntrospector.Implementation.set(new CachingIntrospector(true, true, true, new String[] {"_"}));
  foo = BeanUtil.pojo.getProperty(lifeBean, "foo").toString();
  assertEquals("foo", foo);
  ClassDescriptor cd = ClassIntrospector.get().lookup(LifeBean.class);
  PropertyDescriptor[] pds = cd.getAllPropertyDescriptors();
  assertEquals(3, pds.length);
  assertEquals("bar", pds[0].getName());
  assertEquals("_bar", pds[0].getFieldDescriptor().getName());
  assertEquals("www", pds[2].getName());
  assertEquals(null, pds[2].getFieldDescriptor());
  ClassIntrospector.Implementation.set(new CachingIntrospector());
}

@Test
void testFieldPrefix1withEmpty() {
  LifeBean lifeBean = new LifeBean();
  String foo = BeanUtil.pojo.getProperty(lifeBean, "foo").toString();
  assertEquals("foo", foo);
  ClassIntrospector.Implementation.set(new CachingIntrospector(true, true, true, new String[] {"_", ""}));
  foo = BeanUtil.pojo.getProperty(lifeBean, "foo").toString();
  assertEquals("foo", foo);
  ClassDescriptor cd = ClassIntrospector.get().lookup(LifeBean.class);
  PropertyDescriptor[] pds = cd.getAllPropertyDescriptors();
  assertEquals(3, pds.length);
  assertEquals("bar", pds[0].getName());
  assertEquals("_bar", pds[0].getFieldDescriptor().getName());
  assertEquals("www", pds[2].getName());
  assertEquals("www", pds[2].getFieldDescriptor().getName());
  ClassIntrospector.Implementation.set(new CachingIntrospector());
}

/**
 * {@inheritDoc}
 */
public ClassDescriptor lookup(Class type) {
  ClassDescriptor cd = cache.get(type);
  if (cd != null) {
    cd.increaseUsageCount();
    return cd;
  }
  cd = describeClass(type);
  cache.put(type, cd);
  return cd;
}