/**
* Let's also try another way to express "gimme a Map" deserialization; this time by specifying a
* Map class, to reduce need to cast
*/
public void testUntypedMap2() throws Exception {
ObjectMapper mapper = new ObjectMapper();
// to get "untyped" default map-to-map, pass Object.class
String JSON = "{ \"a\" : \"x\" }";
@SuppressWarnings("unchecked")
HashMap<String, Object> result = /*(HashMap<String,Object>)*/
mapper.readValue(JSON, HashMap.class);
assertNotNull(result);
assertTrue(result instanceof Map<?, ?>);
assertEquals(1, result.size());
assertEquals("x", result.get("a"));
}
public void testCalendarMap() throws Exception {
ObjectMapper mapper = new ObjectMapper();
Calendar c = Calendar.getInstance();
c.setTimeInMillis(123456000L);
DateFormat fmt = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss zzz");
String JSON =
"{ \"" + fmt.format(c.getTime()) + "\" : \"\", \"" + new Date(0).getTime() + "\" : null }";
HashMap<Calendar, String> result =
mapper.readValue(JSON, new TypeReference<HashMap<Calendar, String>>() {});
assertNotNull(result);
assertEquals(HashMap.class, result.getClass());
assertEquals(2, result.size());
assertTrue(result.containsKey(c));
assertEquals("", result.get(c));
c.setTimeInMillis(0);
assertTrue(result.containsKey(c));
assertNull(result.get(c));
}
public void testDateMap() throws Exception {
ObjectMapper mapper = new ObjectMapper();
Date date1 = new Date(123456000L);
DateFormat fmt = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss zzz");
String JSON =
"{ \"" + fmt.format(date1) + "\" : \"\", \"" + new Date(0).getTime() + "\" : null }";
HashMap<Date, String> result =
mapper.readValue(JSON, new TypeReference<HashMap<Date, String>>() {});
assertNotNull(result);
assertEquals(HashMap.class, result.getClass());
assertEquals(2, result.size());
assertTrue(result.containsKey(date1));
assertEquals("", result.get(new Date(123456000L)));
assertTrue(result.containsKey(new Date(0)));
assertNull(result.get(new Date(0)));
}
/** Clears the flash scope. */
@Override
public void clear() {
isDirty = true;
super.clear();
}
/** Adds the given values to the flash scope. */
@Override
public void putAll(Map<? extends String, ? extends String> values) {
isDirty = true;
super.putAll(values);
}