@SuppressWarnings("unchecked")
@Override
public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> typeToken) {
Type type = typeToken.getType();
if (typeToken.getRawType() != ImmutableMap.class || !(type instanceof ParameterizedType)) {
return null;
}
com.google.common.reflect.TypeToken<ImmutableMap<?, ?>> betterToken =
(com.google.common.reflect.TypeToken<ImmutableMap<?, ?>>)
com.google.common.reflect.TypeToken.of(typeToken.getType());
final TypeAdapter<HashMap<?, ?>> hashMapAdapter =
(TypeAdapter<HashMap<?, ?>>)
gson.getAdapter(
TypeToken.get(
betterToken.getSupertype(Map.class).getSubtype(HashMap.class).getType()));
return new TypeAdapter<T>() {
@Override
public void write(JsonWriter out, T value) throws IOException {
HashMap<?, ?> hashMap = Maps.newHashMap((Map<?, ?>) value);
hashMapAdapter.write(out, hashMap);
}
@Override
public T read(JsonReader in) throws IOException {
HashMap<?, ?> hashMap = hashMapAdapter.read(in);
return (T) ImmutableMap.copyOf(hashMap);
}
};
}
@Override
protected void authenticate(IOperationMonitor monitor) throws IOException {
UserCredentials credentials =
getClient().getLocation().getCredentials(AuthenticationType.REPOSITORY);
if (credentials == null) {
throw new IllegalStateException("Authentication requested without valid credentials");
}
HttpRequestBase request =
new HttpGet(
baseUrl()
+ MessageFormat.format(
"/login?login={0}&password={1}",
new Object[] {credentials.getUserName(), credentials.getPassword()}));
request.setHeader(CONTENT_TYPE, TEXT_XML_CHARSET_UTF_8);
request.setHeader(ACCEPT, APPLICATION_JSON);
HttpResponse response = getClient().execute(request, monitor);
try {
if (response.getStatusLine().getStatusCode() == HttpStatus.SC_UNAUTHORIZED) {
getClient().setAuthenticated(false);
throw new AuthenticationException(
"Authentication failed",
new AuthenticationRequest<AuthenticationType<UserCredentials>>(
getClient().getLocation(), AuthenticationType.REPOSITORY));
} else {
TypeToken<LoginToken> type = new TypeToken<LoginToken>() {};
InputStream is = response.getEntity().getContent();
InputStreamReader in = new InputStreamReader(is);
LoginToken loginToken = new Gson().fromJson(in, type.getType());
((BugzillaRestHttpClient) getClient()).setLoginToken(loginToken);
getClient().setAuthenticated(true);
}
} finally {
HttpUtil.release(request, response, monitor);
}
}
/** Preferencesから取得したJSONをListに変換して返す */
public static <T> List<T> getList(Context context, String key, TypeToken typeToken) {
String jsonString = getPreferences(context).getString(key, "");
if (TextUtils.isEmpty(jsonString)) {
return null;
}
List<T> list = new Gson().fromJson(jsonString, typeToken.getType());
return list;
}
public TypeAdapter create(Gson gson, TypeToken typetoken)
{
typetoken = typetoken.getType();
if (!(typetoken instanceof GenericArrayType) && (!(typetoken instanceof Class) || !((Class)typetoken).isArray()))
{
return null;
} else
{
typetoken = com.google.gson.internal.yComponentType(typetoken);
return new ArrayTypeAdapter(gson, gson.getAdapter(TypeToken.get(typetoken)), com.google.gson.internal.ype(typetoken));
}
}
<T> T convertFromJsonToObjectOfType(String response, TypeToken<T> type) {
try {
return (T) gson.fromJson(response, type.getType());
} catch (JsonParseException x) {
log.warn("could not parse json", x);
} catch (Exception x) {
log.error("Unhandled exception!", x);
}
return null;
}
private Map<String, BoundField> getBoundFields(Gson context, TypeToken<?> type, Class<?> raw) {
Map<String, BoundField> result = new LinkedHashMap<String, BoundField>();
if (raw.isInterface()) {
return result;
}
Type declaredType = type.getType();
while (raw != Object.class) {
Field[] fields = raw.getDeclaredFields();
for (Field field : fields) {
boolean serialize = excludeField(field, true);
boolean deserialize = excludeField(field, false);
if (!serialize && !deserialize) {
continue;
}
field.setAccessible(true);
Type fieldType = $Gson$Types.resolve(type.getType(), raw, field.getGenericType());
List<String> fieldNames = getFieldNames(field);
BoundField previous = null;
for (int i = 0; i < fieldNames.size(); ++i) {
String name = fieldNames.get(i);
if (i != 0) serialize = false; // only serialize the default name
BoundField boundField =
createBoundField(
context, field, name, TypeToken.get(fieldType), serialize, deserialize);
BoundField replaced = result.put(name, boundField);
if (previous == null) previous = replaced;
}
if (previous != null) {
throw new IllegalArgumentException(
declaredType + " declares multiple JSON fields named " + previous.name);
}
}
type = TypeToken.get($Gson$Types.resolve(type.getType(), raw, raw.getGenericSuperclass()));
raw = type.getRawType();
}
return result;
}
public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> typeToken) {
Type type = typeToken.getType();
Class<? super T> rawType = typeToken.getRawType();
if (!Collection.class.isAssignableFrom(rawType)) {
return null;
}
Type elementType = $Gson$Types.getCollectionElementType(type, rawType);
TypeAdapter<?> elementTypeAdapter = gson.getAdapter(TypeToken.get(elementType));
ObjectConstructor<T> constructor = constructorConstructor.getConstructor(typeToken);
@SuppressWarnings({"unchecked", "rawtypes"}) // create() doesn't define a type parameter
TypeAdapter<T> result = new Adapter(gson, elementType, elementTypeAdapter, constructor);
return result;
}
public static <T> T fromJson(String json, TypeToken<T> token, String datePattern) {
if (TextUtils.isEmpty(json)) {
return null;
}
GsonBuilder builder = new GsonBuilder();
if (TextUtils.isEmpty(datePattern)) {
datePattern = DEFAULT_DATE_PATTERN;
}
/* builder.registerTypeAdapter(Map.class, new HashMapDeserializer()); */
Gson gson = builder.create();
try {
return gson.fromJson(json, token.getType());
} catch (Exception ex) {
return null;
}
}
/**
* 将给定的 {@code JSON} 字符串转换成指定的类型对象。
*
* @param <T> 要转换的目标类型。
* @param json 给定的 {@code JSON} 字符串。
* @param token {@code com.google.gson.reflect.TypeToken} 的类型指示类对象。
* @param datePattern 日期格式模式。
* @return 给定的 {@code JSON} 字符串表示的指定的类型对象。
*/
public static <T> T fromJson(String json, TypeToken<T> token, String datePattern) {
if (isEmpty(json)) {
return null;
}
GsonBuilder builder = new GsonBuilder();
if (isEmpty(datePattern)) {
datePattern = DEFAULT_DATE_PATTERN;
}
Gson gson = builder.create();
try {
return gson.fromJson(json, token.getType());
} catch (Exception ex) {
return null;
}
}
/** json解析回ArrayList,参数为new TypeToken<ArrayList<T>>() {},必须加泛型 */
public static List<?> jsonToList(String json, TypeToken<?> token) {
return (List<?>) jsonToObject(json, token.getType());
}
@Deprecated
public boolean isAssignableFrom(TypeToken<?> typeToken) {
return this.isAssignableFrom(typeToken.getType());
}