+++ /dev/null
-/*
- * Copyright (C) 2011 Google Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.gson.internal.bind;
-
-import com.google.gson.TypeAdapterFactory;
-import java.io.IOException;
-import java.math.BigDecimal;
-import java.math.BigInteger;
-import java.net.InetAddress;
-import java.net.URI;
-import java.net.URISyntaxException;
-import java.net.URL;
-import java.sql.Timestamp;
-import java.util.BitSet;
-import java.util.Calendar;
-import java.util.Date;
-import java.util.GregorianCalendar;
-import java.util.HashMap;
-import java.util.Locale;
-import java.util.Map;
-import java.util.StringTokenizer;
-import java.util.UUID;
-
-import com.google.gson.Gson;
-import com.google.gson.JsonArray;
-import com.google.gson.JsonElement;
-import com.google.gson.JsonIOException;
-import com.google.gson.JsonNull;
-import com.google.gson.JsonObject;
-import com.google.gson.JsonPrimitive;
-import com.google.gson.JsonSyntaxException;
-import com.google.gson.TypeAdapter;
-import com.google.gson.annotations.SerializedName;
-import com.google.gson.internal.LazilyParsedNumber;
-import com.google.gson.reflect.TypeToken;
-import com.google.gson.stream.JsonReader;
-import com.google.gson.stream.JsonToken;
-import com.google.gson.stream.JsonWriter;
-
-/**
- * Type adapters for basic types.
- */
-public final class TypeAdapters {
- private TypeAdapters() {}
-
- @SuppressWarnings("rawtypes")
- public static final TypeAdapter<Class> CLASS = new TypeAdapter<Class>() {
- @Override
- public void write(JsonWriter out, Class value) throws IOException {
- if (value == null) {
- out.nullValue();
- } else {
- throw new UnsupportedOperationException("Attempted to serialize java.lang.Class: "
- + value.getName() + ". Forgot to register a type adapter?");
- }
- }
- @Override
- public Class read(JsonReader in) throws IOException {
- if (in.peek() == JsonToken.NULL) {
- in.nextNull();
- return null;
- } else {
- throw new UnsupportedOperationException(
- "Attempted to deserialize a java.lang.Class. Forgot to register a type adapter?");
- }
- }
- };
- public static final TypeAdapterFactory CLASS_FACTORY = newFactory(Class.class, CLASS);
-
- public static final TypeAdapter<BitSet> BIT_SET = new TypeAdapter<BitSet>() {
- public BitSet read(JsonReader in) throws IOException {
- if (in.peek() == JsonToken.NULL) {
- in.nextNull();
- return null;
- }
-
- BitSet bitset = new BitSet();
- in.beginArray();
- int i = 0;
- JsonToken tokenType = in.peek();
- while (tokenType != JsonToken.END_ARRAY) {
- boolean set;
- switch (tokenType) {
- case NUMBER:
- set = in.nextInt() != 0;
- break;
- case BOOLEAN:
- set = in.nextBoolean();
- break;
- case STRING:
- String stringValue = in.nextString();
- try {
- set = Integer.parseInt(stringValue) != 0;
- } catch (NumberFormatException e) {
- throw new JsonSyntaxException(
- "Error: Expecting: bitset number value (1, 0), Found: " + stringValue);
- }
- break;
- default:
- throw new JsonSyntaxException("Invalid bitset value type: " + tokenType);
- }
- if (set) {
- bitset.set(i);
- }
- ++i;
- tokenType = in.peek();
- }
- in.endArray();
- return bitset;
- }
-
- public void write(JsonWriter out, BitSet src) throws IOException {
- if (src == null) {
- out.nullValue();
- return;
- }
-
- out.beginArray();
- for (int i = 0; i < src.length(); i++) {
- int value = (src.get(i)) ? 1 : 0;
- out.value(value);
- }
- out.endArray();
- }
- };
-
- public static final TypeAdapterFactory BIT_SET_FACTORY = newFactory(BitSet.class, BIT_SET);
-
- public static final TypeAdapter<Boolean> BOOLEAN = new TypeAdapter<Boolean>() {
- @Override
- public Boolean read(JsonReader in) throws IOException {
- if (in.peek() == JsonToken.NULL) {
- in.nextNull();
- return null;
- } else if (in.peek() == JsonToken.STRING) {
- // support strings for compatibility with GSON 1.7
- return Boolean.parseBoolean(in.nextString());
- }
- return in.nextBoolean();
- }
- @Override
- public void write(JsonWriter out, Boolean value) throws IOException {
- if (value == null) {
- out.nullValue();
- return;
- }
- out.value(value);
- }
- };
-
- /**
- * Writes a boolean as a string. Useful for map keys, where booleans aren't
- * otherwise permitted.
- */
- public static final TypeAdapter<Boolean> BOOLEAN_AS_STRING = new TypeAdapter<Boolean>() {
- @Override public Boolean read(JsonReader in) throws IOException {
- if (in.peek() == JsonToken.NULL) {
- in.nextNull();
- return null;
- }
- return Boolean.valueOf(in.nextString());
- }
-
- @Override public void write(JsonWriter out, Boolean value) throws IOException {
- out.value(value == null ? "null" : value.toString());
- }
- };
-
- public static final TypeAdapterFactory BOOLEAN_FACTORY
- = newFactory(boolean.class, Boolean.class, BOOLEAN);
-
- public static final TypeAdapter<Number> BYTE = new TypeAdapter<Number>() {
- @Override
- public Number read(JsonReader in) throws IOException {
- if (in.peek() == JsonToken.NULL) {
- in.nextNull();
- return null;
- }
- try {
- int intValue = in.nextInt();
- return (byte) intValue;
- } catch (NumberFormatException e) {
- throw new JsonSyntaxException(e);
- }
- }
- @Override
- public void write(JsonWriter out, Number value) throws IOException {
- out.value(value);
- }
- };
-
- public static final TypeAdapterFactory BYTE_FACTORY
- = newFactory(byte.class, Byte.class, BYTE);
-
- public static final TypeAdapter<Number> SHORT = new TypeAdapter<Number>() {
- @Override
- public Number read(JsonReader in) throws IOException {
- if (in.peek() == JsonToken.NULL) {
- in.nextNull();
- return null;
- }
- try {
- return (short) in.nextInt();
- } catch (NumberFormatException e) {
- throw new JsonSyntaxException(e);
- }
- }
- @Override
- public void write(JsonWriter out, Number value) throws IOException {
- out.value(value);
- }
- };
-
- public static final TypeAdapterFactory SHORT_FACTORY
- = newFactory(short.class, Short.class, SHORT);
-
- public static final TypeAdapter<Number> INTEGER = new TypeAdapter<Number>() {
- @Override
- public Number read(JsonReader in) throws IOException {
- if (in.peek() == JsonToken.NULL) {
- in.nextNull();
- return null;
- }
- try {
- return in.nextInt();
- } catch (NumberFormatException e) {
- throw new JsonSyntaxException(e);
- }
- }
- @Override
- public void write(JsonWriter out, Number value) throws IOException {
- out.value(value);
- }
- };
-
- public static final TypeAdapterFactory INTEGER_FACTORY
- = newFactory(int.class, Integer.class, INTEGER);
-
- public static final TypeAdapter<Number> LONG = new TypeAdapter<Number>() {
- @Override
- public Number read(JsonReader in) throws IOException {
- if (in.peek() == JsonToken.NULL) {
- in.nextNull();
- return null;
- }
- try {
- return in.nextLong();
- } catch (NumberFormatException e) {
- throw new JsonSyntaxException(e);
- }
- }
- @Override
- public void write(JsonWriter out, Number value) throws IOException {
- out.value(value);
- }
- };
-
- public static final TypeAdapter<Number> FLOAT = new TypeAdapter<Number>() {
- @Override
- public Number read(JsonReader in) throws IOException {
- if (in.peek() == JsonToken.NULL) {
- in.nextNull();
- return null;
- }
- return (float) in.nextDouble();
- }
- @Override
- public void write(JsonWriter out, Number value) throws IOException {
- out.value(value);
- }
- };
-
- public static final TypeAdapter<Number> DOUBLE = new TypeAdapter<Number>() {
- @Override
- public Number read(JsonReader in) throws IOException {
- if (in.peek() == JsonToken.NULL) {
- in.nextNull();
- return null;
- }
- return in.nextDouble();
- }
- @Override
- public void write(JsonWriter out, Number value) throws IOException {
- out.value(value);
- }
- };
-
- public static final TypeAdapter<Number> NUMBER = new TypeAdapter<Number>() {
- @Override
- public Number read(JsonReader in) throws IOException {
- JsonToken jsonToken = in.peek();
- switch (jsonToken) {
- case NULL:
- in.nextNull();
- return null;
- case NUMBER:
- return new LazilyParsedNumber(in.nextString());
- default:
- throw new JsonSyntaxException("Expecting number, got: " + jsonToken);
- }
- }
- @Override
- public void write(JsonWriter out, Number value) throws IOException {
- out.value(value);
- }
- };
-
- public static final TypeAdapterFactory NUMBER_FACTORY = newFactory(Number.class, NUMBER);
-
- public static final TypeAdapter<Character> CHARACTER = new TypeAdapter<Character>() {
- @Override
- public Character read(JsonReader in) throws IOException {
- if (in.peek() == JsonToken.NULL) {
- in.nextNull();
- return null;
- }
- String str = in.nextString();
- if (str.length() != 1) {
- throw new JsonSyntaxException("Expecting character, got: " + str);
- }
- return str.charAt(0);
- }
- @Override
- public void write(JsonWriter out, Character value) throws IOException {
- out.value(value == null ? null : String.valueOf(value));
- }
- };
-
- public static final TypeAdapterFactory CHARACTER_FACTORY
- = newFactory(char.class, Character.class, CHARACTER);
-
- public static final TypeAdapter<String> STRING = new TypeAdapter<String>() {
- @Override
- public String read(JsonReader in) throws IOException {
- JsonToken peek = in.peek();
- if (peek == JsonToken.NULL) {
- in.nextNull();
- return null;
- }
- /* coerce booleans to strings for backwards compatibility */
- if (peek == JsonToken.BOOLEAN) {
- return Boolean.toString(in.nextBoolean());
- }
- return in.nextString();
- }
- @Override
- public void write(JsonWriter out, String value) throws IOException {
- out.value(value);
- }
- };
-
- public static final TypeAdapter<BigDecimal> BIG_DECIMAL = new TypeAdapter<BigDecimal>() {
- @Override public BigDecimal read(JsonReader in) throws IOException {
- if (in.peek() == JsonToken.NULL) {
- in.nextNull();
- return null;
- }
- try {
- return new BigDecimal(in.nextString());
- } catch (NumberFormatException e) {
- throw new JsonSyntaxException(e);
- }
- }
-
- @Override public void write(JsonWriter out, BigDecimal value) throws IOException {
- out.value(value);
- }
- };
-
- public static final TypeAdapter<BigInteger> BIG_INTEGER = new TypeAdapter<BigInteger>() {
- @Override public BigInteger read(JsonReader in) throws IOException {
- if (in.peek() == JsonToken.NULL) {
- in.nextNull();
- return null;
- }
- try {
- return new BigInteger(in.nextString());
- } catch (NumberFormatException e) {
- throw new JsonSyntaxException(e);
- }
- }
-
- @Override public void write(JsonWriter out, BigInteger value) throws IOException {
- out.value(value);
- }
- };
-
- public static final TypeAdapterFactory STRING_FACTORY = newFactory(String.class, STRING);
-
- public static final TypeAdapter<StringBuilder> STRING_BUILDER = new TypeAdapter<StringBuilder>() {
- @Override
- public StringBuilder read(JsonReader in) throws IOException {
- if (in.peek() == JsonToken.NULL) {
- in.nextNull();
- return null;
- }
- return new StringBuilder(in.nextString());
- }
- @Override
- public void write(JsonWriter out, StringBuilder value) throws IOException {
- out.value(value == null ? null : value.toString());
- }
- };
-
- public static final TypeAdapterFactory STRING_BUILDER_FACTORY =
- newFactory(StringBuilder.class, STRING_BUILDER);
-
- public static final TypeAdapter<StringBuffer> STRING_BUFFER = new TypeAdapter<StringBuffer>() {
- @Override
- public StringBuffer read(JsonReader in) throws IOException {
- if (in.peek() == JsonToken.NULL) {
- in.nextNull();
- return null;
- }
- return new StringBuffer(in.nextString());
- }
- @Override
- public void write(JsonWriter out, StringBuffer value) throws IOException {
- out.value(value == null ? null : value.toString());
- }
- };
-
- public static final TypeAdapterFactory STRING_BUFFER_FACTORY =
- newFactory(StringBuffer.class, STRING_BUFFER);
-
- public static final TypeAdapter<URL> URL = new TypeAdapter<URL>() {
- @Override
- public URL read(JsonReader in) throws IOException {
- if (in.peek() == JsonToken.NULL) {
- in.nextNull();
- return null;
- }
- String nextString = in.nextString();
- return "null".equals(nextString) ? null : new URL(nextString);
- }
- @Override
- public void write(JsonWriter out, URL value) throws IOException {
- out.value(value == null ? null : value.toExternalForm());
- }
- };
-
- public static final TypeAdapterFactory URL_FACTORY = newFactory(URL.class, URL);
-
- public static final TypeAdapter<URI> URI = new TypeAdapter<URI>() {
- @Override
- public URI read(JsonReader in) throws IOException {
- if (in.peek() == JsonToken.NULL) {
- in.nextNull();
- return null;
- }
- try {
- String nextString = in.nextString();
- return "null".equals(nextString) ? null : new URI(nextString);
- } catch (URISyntaxException e) {
- throw new JsonIOException(e);
- }
- }
- @Override
- public void write(JsonWriter out, URI value) throws IOException {
- out.value(value == null ? null : value.toASCIIString());
- }
- };
-
- public static final TypeAdapterFactory URI_FACTORY = newFactory(URI.class, URI);
-
- public static final TypeAdapter<InetAddress> INET_ADDRESS = new TypeAdapter<InetAddress>() {
- @Override
- public InetAddress read(JsonReader in) throws IOException {
- if (in.peek() == JsonToken.NULL) {
- in.nextNull();
- return null;
- }
- // regrettably, this should have included both the host name and the host address
- return InetAddress.getByName(in.nextString());
- }
- @Override
- public void write(JsonWriter out, InetAddress value) throws IOException {
- out.value(value == null ? null : value.getHostAddress());
- }
- };
-
- public static final TypeAdapterFactory INET_ADDRESS_FACTORY =
- newTypeHierarchyFactory(InetAddress.class, INET_ADDRESS);
-
- public static final TypeAdapter<UUID> UUID = new TypeAdapter<UUID>() {
- @Override
- public UUID read(JsonReader in) throws IOException {
- if (in.peek() == JsonToken.NULL) {
- in.nextNull();
- return null;
- }
- return java.util.UUID.fromString(in.nextString());
- }
- @Override
- public void write(JsonWriter out, UUID value) throws IOException {
- out.value(value == null ? null : value.toString());
- }
- };
-
- public static final TypeAdapterFactory UUID_FACTORY = newFactory(UUID.class, UUID);
-
- public static final TypeAdapterFactory TIMESTAMP_FACTORY = new TypeAdapterFactory() {
- @SuppressWarnings("unchecked") // we use a runtime check to make sure the 'T's equal
- public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> typeToken) {
- if (typeToken.getRawType() != Timestamp.class) {
- return null;
- }
-
- final TypeAdapter<Date> dateTypeAdapter = gson.getAdapter(Date.class);
- return (TypeAdapter<T>) new TypeAdapter<Timestamp>() {
- @Override public Timestamp read(JsonReader in) throws IOException {
- Date date = dateTypeAdapter.read(in);
- return date != null ? new Timestamp(date.getTime()) : null;
- }
-
- @Override public void write(JsonWriter out, Timestamp value) throws IOException {
- dateTypeAdapter.write(out, value);
- }
- };
- }
- };
-
- public static final TypeAdapter<Calendar> CALENDAR = new TypeAdapter<Calendar>() {
- private static final String YEAR = "year";
- private static final String MONTH = "month";
- private static final String DAY_OF_MONTH = "dayOfMonth";
- private static final String HOUR_OF_DAY = "hourOfDay";
- private static final String MINUTE = "minute";
- private static final String SECOND = "second";
-
- @Override
- public Calendar read(JsonReader in) throws IOException {
- if (in.peek() == JsonToken.NULL) {
- in.nextNull();
- return null;
- }
- in.beginObject();
- int year = 0;
- int month = 0;
- int dayOfMonth = 0;
- int hourOfDay = 0;
- int minute = 0;
- int second = 0;
- while (in.peek() != JsonToken.END_OBJECT) {
- String name = in.nextName();
- int value = in.nextInt();
- if (YEAR.equals(name)) {
- year = value;
- } else if (MONTH.equals(name)) {
- month = value;
- } else if (DAY_OF_MONTH.equals(name)) {
- dayOfMonth = value;
- } else if (HOUR_OF_DAY.equals(name)) {
- hourOfDay = value;
- } else if (MINUTE.equals(name)) {
- minute = value;
- } else if (SECOND.equals(name)) {
- second = value;
- }
- }
- in.endObject();
- return new GregorianCalendar(year, month, dayOfMonth, hourOfDay, minute, second);
- }
-
- @Override
- public void write(JsonWriter out, Calendar value) throws IOException {
- if (value == null) {
- out.nullValue();
- return;
- }
- out.beginObject();
- out.name(YEAR);
- out.value(value.get(Calendar.YEAR));
- out.name(MONTH);
- out.value(value.get(Calendar.MONTH));
- out.name(DAY_OF_MONTH);
- out.value(value.get(Calendar.DAY_OF_MONTH));
- out.name(HOUR_OF_DAY);
- out.value(value.get(Calendar.HOUR_OF_DAY));
- out.name(MINUTE);
- out.value(value.get(Calendar.MINUTE));
- out.name(SECOND);
- out.value(value.get(Calendar.SECOND));
- out.endObject();
- }
- };
-
- public static final TypeAdapterFactory CALENDAR_FACTORY =
- newFactoryForMultipleTypes(Calendar.class, GregorianCalendar.class, CALENDAR);
-
- public static final TypeAdapter<Locale> LOCALE = new TypeAdapter<Locale>() {
- @Override
- public Locale read(JsonReader in) throws IOException {
- if (in.peek() == JsonToken.NULL) {
- in.nextNull();
- return null;
- }
- String locale = in.nextString();
- StringTokenizer tokenizer = new StringTokenizer(locale, "_");
- String language = null;
- String country = null;
- String variant = null;
- if (tokenizer.hasMoreElements()) {
- language = tokenizer.nextToken();
- }
- if (tokenizer.hasMoreElements()) {
- country = tokenizer.nextToken();
- }
- if (tokenizer.hasMoreElements()) {
- variant = tokenizer.nextToken();
- }
- if (country == null && variant == null) {
- return new Locale(language);
- } else if (variant == null) {
- return new Locale(language, country);
- } else {
- return new Locale(language, country, variant);
- }
- }
- @Override
- public void write(JsonWriter out, Locale value) throws IOException {
- out.value(value == null ? null : value.toString());
- }
- };
-
- public static final TypeAdapterFactory LOCALE_FACTORY = newFactory(Locale.class, LOCALE);
-
- public static final TypeAdapter<JsonElement> JSON_ELEMENT = new TypeAdapter<JsonElement>() {
- @Override public JsonElement read(JsonReader in) throws IOException {
- switch (in.peek()) {
- case STRING:
- return new JsonPrimitive(in.nextString());
- case NUMBER:
- String number = in.nextString();
- return new JsonPrimitive(new LazilyParsedNumber(number));
- case BOOLEAN:
- return new JsonPrimitive(in.nextBoolean());
- case NULL:
- in.nextNull();
- return JsonNull.INSTANCE;
- case BEGIN_ARRAY:
- JsonArray array = new JsonArray();
- in.beginArray();
- while (in.hasNext()) {
- array.add(read(in));
- }
- in.endArray();
- return array;
- case BEGIN_OBJECT:
- JsonObject object = new JsonObject();
- in.beginObject();
- while (in.hasNext()) {
- object.add(in.nextName(), read(in));
- }
- in.endObject();
- return object;
- case END_DOCUMENT:
- case NAME:
- case END_OBJECT:
- case END_ARRAY:
- default:
- throw new IllegalArgumentException();
- }
- }
-
- @Override public void write(JsonWriter out, JsonElement value) throws IOException {
- if (value == null || value.isJsonNull()) {
- out.nullValue();
- } else if (value.isJsonPrimitive()) {
- JsonPrimitive primitive = value.getAsJsonPrimitive();
- if (primitive.isNumber()) {
- out.value(primitive.getAsNumber());
- } else if (primitive.isBoolean()) {
- out.value(primitive.getAsBoolean());
- } else {
- out.value(primitive.getAsString());
- }
-
- } else if (value.isJsonArray()) {
- out.beginArray();
- for (JsonElement e : value.getAsJsonArray()) {
- write(out, e);
- }
- out.endArray();
-
- } else if (value.isJsonObject()) {
- out.beginObject();
- for (Map.Entry<String, JsonElement> e : value.getAsJsonObject().entrySet()) {
- out.name(e.getKey());
- write(out, e.getValue());
- }
- out.endObject();
-
- } else {
- throw new IllegalArgumentException("Couldn't write " + value.getClass());
- }
- }
- };
-
- public static final TypeAdapterFactory JSON_ELEMENT_FACTORY
- = newTypeHierarchyFactory(JsonElement.class, JSON_ELEMENT);
-
- private static final class EnumTypeAdapter<T extends Enum<T>> extends TypeAdapter<T> {
- private final Map<String, T> nameToConstant = new HashMap<String, T>();
- private final Map<T, String> constantToName = new HashMap<T, String>();
-
- public EnumTypeAdapter(Class<T> classOfT) {
- try {
- for (T constant : classOfT.getEnumConstants()) {
- String name = constant.name();
- SerializedName annotation = classOfT.getField(name).getAnnotation(SerializedName.class);
- if (annotation != null) {
- name = annotation.value();
- }
- nameToConstant.put(name, constant);
- constantToName.put(constant, name);
- }
- } catch (NoSuchFieldException e) {
- throw new AssertionError();
- }
- }
- public T read(JsonReader in) throws IOException {
- if (in.peek() == JsonToken.NULL) {
- in.nextNull();
- return null;
- }
- return nameToConstant.get(in.nextString());
- }
-
- public void write(JsonWriter out, T value) throws IOException {
- out.value(value == null ? null : constantToName.get(value));
- }
- }
-
- public static final TypeAdapterFactory ENUM_FACTORY = newEnumTypeHierarchyFactory();
-
- public static TypeAdapterFactory newEnumTypeHierarchyFactory() {
- return new TypeAdapterFactory() {
- @SuppressWarnings({"rawtypes", "unchecked"})
- public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> typeToken) {
- Class<? super T> rawType = typeToken.getRawType();
- if (!Enum.class.isAssignableFrom(rawType) || rawType == Enum.class) {
- return null;
- }
- if (!rawType.isEnum()) {
- rawType = rawType.getSuperclass(); // handle anonymous subclasses
- }
- return (TypeAdapter<T>) new EnumTypeAdapter(rawType);
- }
- };
- }
-
- public static <TT> TypeAdapterFactory newFactory(
- final TypeToken<TT> type, final TypeAdapter<TT> typeAdapter) {
- return new TypeAdapterFactory() {
- @SuppressWarnings("unchecked") // we use a runtime check to make sure the 'T's equal
- public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> typeToken) {
- return typeToken.equals(type) ? (TypeAdapter<T>) typeAdapter : null;
- }
- };
- }
-
- public static <TT> TypeAdapterFactory newFactory(
- final Class<TT> type, final TypeAdapter<TT> typeAdapter) {
- return new TypeAdapterFactory() {
- @SuppressWarnings("unchecked") // we use a runtime check to make sure the 'T's equal
- public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> typeToken) {
- return typeToken.getRawType() == type ? (TypeAdapter<T>) typeAdapter : null;
- }
- @Override public String toString() {
- return "Factory[type=" + type.getName() + ",adapter=" + typeAdapter + "]";
- }
- };
- }
-
- public static <TT> TypeAdapterFactory newFactory(
- final Class<TT> unboxed, final Class<TT> boxed, final TypeAdapter<? super TT> typeAdapter) {
- return new TypeAdapterFactory() {
- @SuppressWarnings("unchecked") // we use a runtime check to make sure the 'T's equal
- public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> typeToken) {
- Class<? super T> rawType = typeToken.getRawType();
- return (rawType == unboxed || rawType == boxed) ? (TypeAdapter<T>) typeAdapter : null;
- }
- @Override public String toString() {
- return "Factory[type=" + boxed.getName()
- + "+" + unboxed.getName() + ",adapter=" + typeAdapter + "]";
- }
- };
- }
-
- public static <TT> TypeAdapterFactory newFactoryForMultipleTypes(final Class<TT> base,
- final Class<? extends TT> sub, final TypeAdapter<? super TT> typeAdapter) {
- return new TypeAdapterFactory() {
- @SuppressWarnings("unchecked") // we use a runtime check to make sure the 'T's equal
- public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> typeToken) {
- Class<? super T> rawType = typeToken.getRawType();
- return (rawType == base || rawType == sub) ? (TypeAdapter<T>) typeAdapter : null;
- }
- @Override public String toString() {
- return "Factory[type=" + base.getName()
- + "+" + sub.getName() + ",adapter=" + typeAdapter + "]";
- }
- };
- }
-
- public static <TT> TypeAdapterFactory newTypeHierarchyFactory(
- final Class<TT> clazz, final TypeAdapter<TT> typeAdapter) {
- return new TypeAdapterFactory() {
- @SuppressWarnings("unchecked")
- public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> typeToken) {
- return clazz.isAssignableFrom(typeToken.getRawType()) ? (TypeAdapter<T>) typeAdapter : null;
- }
- @Override public String toString() {
- return "Factory[typeHierarchy=" + clazz.getName() + ",adapter=" + typeAdapter + "]";
- }
- };
- }
-}
projects / unical.git / blobdiff