GsonHelper.java

net.minecraft.util.GsonHelper

信息

• 全限定名：net.minecraft.util.GsonHelper
• 类型：public class
• 包：net.minecraft.util
• 源码路径：src/main/java/net/minecraft/util/GsonHelper.java
• 起始行号：L37
• 职责：

  TODO

字段/常量

• GSON
  • 类型: Gson
  • 修饰符: private static final
  • 源码定位: L38
  • 说明:

    TODO

内部类/嵌套类型

• net.minecraft.util.GsonHelper.CountedAppendable
  • 类型: class
  • 修饰符: private static
  • 源码定位: L553
  • 说明:

    TODO

构造器

• 无

方法

下面的方法块按源码顺序生成。

public static boolean isStringValue(JsonObject node, String name) @ L40

• 方法名：isStringValue
• 源码定位：L40
• 返回类型：boolean
• 修饰符：public static

参数:

• node: JsonObject
• name: String

说明:

TODO

public static boolean isStringValue(JsonElement node) @ L44

• 方法名：isStringValue
• 源码定位：L44
• 返回类型：boolean
• 修饰符：public static

参数:

• node: JsonElement

说明:

TODO

public static boolean isNumberValue(JsonObject node, String name) @ L48

• 方法名：isNumberValue
• 源码定位：L48
• 返回类型：boolean
• 修饰符：public static

参数:

• node: JsonObject
• name: String

说明:

TODO

public static boolean isNumberValue(JsonElement node) @ L52

• 方法名：isNumberValue
• 源码定位：L52
• 返回类型：boolean
• 修饰符：public static

参数:

• node: JsonElement

说明:

TODO

public static boolean isBooleanValue(JsonObject node, String name) @ L56

• 方法名：isBooleanValue
• 源码定位：L56
• 返回类型：boolean
• 修饰符：public static

参数:

• node: JsonObject
• name: String

说明:

TODO

public static boolean isBooleanValue(JsonElement node) @ L60

• 方法名：isBooleanValue
• 源码定位：L60
• 返回类型：boolean
• 修饰符：public static

参数:

• node: JsonElement

说明:

TODO

public static boolean isArrayNode(JsonObject node, String name) @ L64

• 方法名：isArrayNode
• 源码定位：L64
• 返回类型：boolean
• 修饰符：public static

参数:

• node: JsonObject
• name: String

说明:

TODO

public static boolean isObjectNode(JsonObject node, String name) @ L68

• 方法名：isObjectNode
• 源码定位：L68
• 返回类型：boolean
• 修饰符：public static

参数:

• node: JsonObject
• name: String

说明:

TODO

public static boolean isValidPrimitive(JsonObject node, String name) @ L72

• 方法名：isValidPrimitive
• 源码定位：L72
• 返回类型：boolean
• 修饰符：public static

参数:

• node: JsonObject
• name: String

说明:

TODO

public static boolean isValidNode(JsonObject node, String name) @ L76

• 方法名：isValidNode
• 源码定位：L76
• 返回类型：boolean
• 修饰符：public static

参数:

• node: JsonObject
• name: String

说明:

TODO

public static JsonElement getNonNull(JsonObject object, String name) @ L80

• 方法名：getNonNull
• 源码定位：L80
• 返回类型：JsonElement
• 修饰符：public static

参数:

• object: JsonObject
• name: String

说明:

TODO

public static String convertToString(JsonElement element, String name) @ L89

• 方法名：convertToString
• 源码定位：L89
• 返回类型：String
• 修饰符：public static

参数:

• element: JsonElement
• name: String

说明:

TODO

public static String getAsString(JsonObject object, String name) @ L97

• 方法名：getAsString
• 源码定位：L97
• 返回类型：String
• 修饰符：public static

参数:

• object: JsonObject
• name: String

说明:

TODO

public static String getAsString(JsonObject object, String name, String def) @ L105

• 方法名：getAsString
• 源码定位：L105
• 返回类型：String
• 修饰符：public static

参数:

• object: JsonObject
• name: String
• def: String

说明:

TODO

public static Holder<Item> convertToItem(JsonElement element, String name) @ L110

• 方法名：convertToItem
• 源码定位：L110
• 返回类型：Holder
• 修饰符：public static

参数:

• element: JsonElement
• name: String

说明:

TODO

public static Holder<Item> getAsItem(JsonObject object, String name) @ L121

• 方法名：getAsItem
• 源码定位：L121
• 返回类型：Holder
• 修饰符：public static

参数:

• object: JsonObject
• name: String

说明:

TODO

public static Holder<Item> getAsItem(JsonObject object, String name, Holder<Item> def) @ L129

• 方法名：getAsItem
• 源码定位：L129
• 返回类型：Holder
• 修饰符：public static

参数:

• object: JsonObject
• name: String
• def: Holder

说明:

TODO

public static boolean convertToBoolean(JsonElement element, String name) @ L134

• 方法名：convertToBoolean
• 源码定位：L134
• 返回类型：boolean
• 修饰符：public static

参数:

• element: JsonElement
• name: String

说明:

TODO

public static boolean getAsBoolean(JsonObject object, String name) @ L142

• 方法名：getAsBoolean
• 源码定位：L142
• 返回类型：boolean
• 修饰符：public static

参数:

• object: JsonObject
• name: String

说明:

TODO

public static boolean getAsBoolean(JsonObject object, String name, boolean def) @ L150

• 方法名：getAsBoolean
• 源码定位：L150
• 返回类型：boolean
• 修饰符：public static

参数:

• object: JsonObject
• name: String
• def: boolean

说明:

TODO

public static double convertToDouble(JsonElement element, String name) @ L154

• 方法名：convertToDouble
• 源码定位：L154
• 返回类型：double
• 修饰符：public static

参数:

• element: JsonElement
• name: String

说明:

TODO

public static double getAsDouble(JsonObject object, String name) @ L162

• 方法名：getAsDouble
• 源码定位：L162
• 返回类型：double
• 修饰符：public static

参数:

• object: JsonObject
• name: String

说明:

TODO

public static double getAsDouble(JsonObject object, String name, double def) @ L170

• 方法名：getAsDouble
• 源码定位：L170
• 返回类型：double
• 修饰符：public static

参数:

• object: JsonObject
• name: String
• def: double

说明:

TODO

public static float convertToFloat(JsonElement element, String name) @ L174

• 方法名：convertToFloat
• 源码定位：L174
• 返回类型：float
• 修饰符：public static

参数:

• element: JsonElement
• name: String

说明:

TODO

public static float getAsFloat(JsonObject object, String name) @ L182

• 方法名：getAsFloat
• 源码定位：L182
• 返回类型：float
• 修饰符：public static

参数:

• object: JsonObject
• name: String

说明:

TODO

public static float getAsFloat(JsonObject object, String name, float def) @ L190

• 方法名：getAsFloat
• 源码定位：L190
• 返回类型：float
• 修饰符：public static

参数:

• object: JsonObject
• name: String
• def: float

说明:

TODO

public static long convertToLong(JsonElement element, String name) @ L194

• 方法名：convertToLong
• 源码定位：L194
• 返回类型：long
• 修饰符：public static

参数:

• element: JsonElement
• name: String

说明:

TODO

public static long getAsLong(JsonObject object, String name) @ L202

• 方法名：getAsLong
• 源码定位：L202
• 返回类型：long
• 修饰符：public static

参数:

• object: JsonObject
• name: String

说明:

TODO

public static long getAsLong(JsonObject object, String name, long def) @ L210

• 方法名：getAsLong
• 源码定位：L210
• 返回类型：long
• 修饰符：public static

参数:

• object: JsonObject
• name: String
• def: long

说明:

TODO

public static int convertToInt(JsonElement element, String name) @ L214

• 方法名：convertToInt
• 源码定位：L214
• 返回类型：int
• 修饰符：public static

参数:

• element: JsonElement
• name: String

说明:

TODO

public static int getAsInt(JsonObject object, String name) @ L222

• 方法名：getAsInt
• 源码定位：L222
• 返回类型：int
• 修饰符：public static

参数:

• object: JsonObject
• name: String

说明:

TODO

public static int getAsInt(JsonObject object, String name, int def) @ L230

• 方法名：getAsInt
• 源码定位：L230
• 返回类型：int
• 修饰符：public static

参数:

• object: JsonObject
• name: String
• def: int

说明:

TODO

public static byte convertToByte(JsonElement element, String name) @ L234

• 方法名：convertToByte
• 源码定位：L234
• 返回类型：byte
• 修饰符：public static

参数:

• element: JsonElement
• name: String

说明:

TODO

public static byte getAsByte(JsonObject object, String name) @ L242

• 方法名：getAsByte
• 源码定位：L242
• 返回类型：byte
• 修饰符：public static

参数:

• object: JsonObject
• name: String

说明:

TODO

public static byte getAsByte(JsonObject object, String name, byte def) @ L250

• 方法名：getAsByte
• 源码定位：L250
• 返回类型：byte
• 修饰符：public static

参数:

• object: JsonObject
• name: String
• def: byte

说明:

TODO

public static char convertToCharacter(JsonElement element, String name) @ L254

• 方法名：convertToCharacter
• 源码定位：L254
• 返回类型：char
• 修饰符：public static

参数:

• element: JsonElement
• name: String

说明:

TODO

public static char getAsCharacter(JsonObject object, String name) @ L262

• 方法名：getAsCharacter
• 源码定位：L262
• 返回类型：char
• 修饰符：public static

参数:

• object: JsonObject
• name: String

说明:

TODO

public static char getAsCharacter(JsonObject object, String name, char def) @ L270

• 方法名：getAsCharacter
• 源码定位：L270
• 返回类型：char
• 修饰符：public static

参数:

• object: JsonObject
• name: String
• def: char

说明:

TODO

public static BigDecimal convertToBigDecimal(JsonElement element, String name) @ L274

• 方法名：convertToBigDecimal
• 源码定位：L274
• 返回类型：BigDecimal
• 修饰符：public static

参数:

• element: JsonElement
• name: String

说明:

TODO

public static BigDecimal getAsBigDecimal(JsonObject object, String name) @ L282

• 方法名：getAsBigDecimal
• 源码定位：L282
• 返回类型：BigDecimal
• 修饰符：public static

参数:

• object: JsonObject
• name: String

说明:

TODO

public static BigDecimal getAsBigDecimal(JsonObject object, String name, BigDecimal def) @ L290

• 方法名：getAsBigDecimal
• 源码定位：L290
• 返回类型：BigDecimal
• 修饰符：public static

参数:

• object: JsonObject
• name: String
• def: BigDecimal

说明:

TODO

public static BigInteger convertToBigInteger(JsonElement element, String name) @ L294

• 方法名：convertToBigInteger
• 源码定位：L294
• 返回类型：BigInteger
• 修饰符：public static

参数:

• element: JsonElement
• name: String

说明:

TODO

public static BigInteger getAsBigInteger(JsonObject object, String name) @ L302

• 方法名：getAsBigInteger
• 源码定位：L302
• 返回类型：BigInteger
• 修饰符：public static

参数:

• object: JsonObject
• name: String

说明:

TODO

public static BigInteger getAsBigInteger(JsonObject object, String name, BigInteger def) @ L310

• 方法名：getAsBigInteger
• 源码定位：L310
• 返回类型：BigInteger
• 修饰符：public static

参数:

• object: JsonObject
• name: String
• def: BigInteger

说明:

TODO

public static short convertToShort(JsonElement element, String name) @ L314

• 方法名：convertToShort
• 源码定位：L314
• 返回类型：short
• 修饰符：public static

参数:

• element: JsonElement
• name: String

说明:

TODO

public static short getAsShort(JsonObject object, String name) @ L322

• 方法名：getAsShort
• 源码定位：L322
• 返回类型：short
• 修饰符：public static

参数:

• object: JsonObject
• name: String

说明:

TODO

public static short getAsShort(JsonObject object, String name, short def) @ L330

• 方法名：getAsShort
• 源码定位：L330
• 返回类型：short
• 修饰符：public static

参数:

• object: JsonObject
• name: String
• def: short

说明:

TODO

public static JsonObject convertToJsonObject(JsonElement element, String name) @ L334

• 方法名：convertToJsonObject
• 源码定位：L334
• 返回类型：JsonObject
• 修饰符：public static

参数:

• element: JsonElement
• name: String

说明:

TODO

public static JsonObject getAsJsonObject(JsonObject object, String name) @ L342

• 方法名：getAsJsonObject
• 源码定位：L342
• 返回类型：JsonObject
• 修饰符：public static

参数:

• object: JsonObject
• name: String

说明:

TODO

public static JsonObject getAsJsonObject(JsonObject object, String name, JsonObject def) @ L350

• 方法名：getAsJsonObject
• 源码定位：L350
• 返回类型：JsonObject
• 修饰符：public static

参数:

• object: JsonObject
• name: String
• def: JsonObject

说明:

TODO

public static JsonArray convertToJsonArray(JsonElement element, String name) @ L355

• 方法名：convertToJsonArray
• 源码定位：L355
• 返回类型：JsonArray
• 修饰符：public static

参数:

• element: JsonElement
• name: String

说明:

TODO

public static JsonArray getAsJsonArray(JsonObject object, String name) @ L363

• 方法名：getAsJsonArray
• 源码定位：L363
• 返回类型：JsonArray
• 修饰符：public static

参数:

• object: JsonObject
• name: String

说明:

TODO

public static JsonArray getAsJsonArray(JsonObject object, String name, JsonArray def) @ L371

• 方法名：getAsJsonArray
• 源码定位：L371
• 返回类型：JsonArray
• 修饰符：public static

参数:

• object: JsonObject
• name: String
• def: JsonArray

说明:

TODO

public static <T> T convertToObject(JsonElement element, String name, JsonDeserializationContext context, Class<?extends T> clazz) @ L376

• 方法名：convertToObject
• 源码定位：L376
• 返回类型： T
• 修饰符：public static

参数:

• element: JsonElement
• name: String
• context: JsonDeserializationContext
• clazz: Class<?extends T>

说明:

TODO

public static <T> T getAsObject(JsonObject object, String name, JsonDeserializationContext context, Class<?extends T> clazz) @ L384

• 方法名：getAsObject
• 源码定位：L384
• 返回类型： T
• 修饰符：public static

参数:

• object: JsonObject
• name: String
• context: JsonDeserializationContext
• clazz: Class<?extends T>

说明:

TODO

public static <T> T getAsObject(JsonObject object, String name, T def, JsonDeserializationContext context, Class<?extends T> clazz) @ L392

• 方法名：getAsObject
• 源码定位：L392
• 返回类型： T
• 修饰符：public static

参数:

• object: JsonObject
• name: String
• def: T
• context: JsonDeserializationContext
• clazz: Class<?extends T>

说明:

TODO

public static String getType(JsonElement element) @ L397

• 方法名：getType
• 源码定位：L397
• 返回类型：String
• 修饰符：public static

参数:

• element: JsonElement

说明:

TODO

public static <T> T fromJson(Gson gson, Reader reader, Class<T> type) @ L423

• 方法名：fromJson
• 源码定位：L423
• 返回类型： T
• 修饰符：public static

参数:

• gson: Gson
• reader: Reader
• type: Class

说明:

TODO

public static <T> T fromNullableJson(Gson gson, Reader reader, TypeToken<T> type) @ L438

• 方法名：fromNullableJson
• 源码定位：L438
• 返回类型： T
• 修饰符：public static

参数:

• gson: Gson
• reader: Reader
• type: TypeToken

说明:

TODO

public static <T> T fromJson(Gson gson, Reader reader, TypeToken<T> type) @ L448

• 方法名：fromJson
• 源码定位：L448
• 返回类型： T
• 修饰符：public static

参数:

• gson: Gson
• reader: Reader
• type: TypeToken

说明:

TODO

public static <T> T fromNullableJson(Gson gson, String string, TypeToken<T> type) @ L457

• 方法名：fromNullableJson
• 源码定位：L457
• 返回类型： T
• 修饰符：public static

参数:

• gson: Gson
• string: String
• type: TypeToken

说明:

TODO

public static <T> T fromJson(Gson gson, String string, Class<T> type) @ L461

• 方法名：fromJson
• 源码定位：L461
• 返回类型： T
• 修饰符：public static

参数:

• gson: Gson
• string: String
• type: Class

说明:

TODO

public static JsonObject parse(String string) @ L465

• 方法名：parse
• 源码定位：L465
• 返回类型：JsonObject
• 修饰符：public static

参数:

• string: String

说明:

TODO

public static JsonObject parse(Reader reader) @ L469

• 方法名：parse
• 源码定位：L469
• 返回类型：JsonObject
• 修饰符：public static

参数:

• reader: Reader

说明:

TODO

public static JsonArray parseArray(String string) @ L473

• 方法名：parseArray
• 源码定位：L473
• 返回类型：JsonArray
• 修饰符：public static

参数:

• string: String

说明:

TODO

public static JsonArray parseArray(Reader reader) @ L477

• 方法名：parseArray
• 源码定位：L477
• 返回类型：JsonArray
• 修饰符：public static

参数:

• reader: Reader

说明:

TODO

public static String toStableString(JsonElement jsonElement) @ L481

• 方法名：toStableString
• 源码定位：L481
• 返回类型：String
• 修饰符：public static

参数:

• jsonElement: JsonElement

说明:

TODO

public static void writeValue(JsonWriter out, JsonElement value, Comparator<String> keyComparator) @ L494

• 方法名：writeValue
• 源码定位：L494
• 返回类型：void
• 修饰符：public static

参数:

• out: JsonWriter
• value: JsonElement
• keyComparator: Comparator

说明:

TODO

private static Collection<Entry<String,JsonElement>> sortByKeyIfNeeded(Collection<Entry<String,JsonElement>> elements, Comparator<String> keyComparator) @ L530

• 方法名：sortByKeyIfNeeded
• 源码定位：L530
• 返回类型：Collection<Entry<String,JsonElement>>
• 修饰符：private static

参数:

• elements: Collection<Entry<String,JsonElement>>
• keyComparator: Comparator

说明:

TODO

public static boolean encodesLongerThan(JsonElement element, int limit) @ L542

• 方法名：encodesLongerThan
• 源码定位：L542
• 返回类型：boolean
• 修饰符：public static

参数:

• element: JsonElement
• limit: int

说明:

TODO

代码

public class GsonHelper {
    private static final Gson GSON = new GsonBuilder().create();
 
    public static boolean isStringValue(JsonObject node, String name) {
        return !isValidPrimitive(node, name) ? false : node.getAsJsonPrimitive(name).isString();
    }
 
    public static boolean isStringValue(JsonElement node) {
        return !node.isJsonPrimitive() ? false : node.getAsJsonPrimitive().isString();
    }
 
    public static boolean isNumberValue(JsonObject node, String name) {
        return !isValidPrimitive(node, name) ? false : node.getAsJsonPrimitive(name).isNumber();
    }
 
    public static boolean isNumberValue(JsonElement node) {
        return !node.isJsonPrimitive() ? false : node.getAsJsonPrimitive().isNumber();
    }
 
    public static boolean isBooleanValue(JsonObject node, String name) {
        return !isValidPrimitive(node, name) ? false : node.getAsJsonPrimitive(name).isBoolean();
    }
 
    public static boolean isBooleanValue(JsonElement node) {
        return !node.isJsonPrimitive() ? false : node.getAsJsonPrimitive().isBoolean();
    }
 
    public static boolean isArrayNode(JsonObject node, String name) {
        return !isValidNode(node, name) ? false : node.get(name).isJsonArray();
    }
 
    public static boolean isObjectNode(JsonObject node, String name) {
        return !isValidNode(node, name) ? false : node.get(name).isJsonObject();
    }
 
    public static boolean isValidPrimitive(JsonObject node, String name) {
        return !isValidNode(node, name) ? false : node.get(name).isJsonPrimitive();
    }
 
    public static boolean isValidNode(@Nullable JsonObject node, String name) {
        return node == null ? false : node.get(name) != null;
    }
 
    public static JsonElement getNonNull(JsonObject object, String name) {
        JsonElement result = object.get(name);
        if (result != null && !result.isJsonNull()) {
            return result;
        } else {
            throw new JsonSyntaxException("Missing field " + name);
        }
    }
 
    public static String convertToString(JsonElement element, String name) {
        if (element.isJsonPrimitive()) {
            return element.getAsString();
        } else {
            throw new JsonSyntaxException("Expected " + name + " to be a string, was " + getType(element));
        }
    }
 
    public static String getAsString(JsonObject object, String name) {
        if (object.has(name)) {
            return convertToString(object.get(name), name);
        } else {
            throw new JsonSyntaxException("Missing " + name + ", expected to find a string");
        }
    }
 
    @Contract("_,_,!null->!null;_,_,null->_")
    public static @Nullable String getAsString(JsonObject object, String name, @Nullable String def) {
        return object.has(name) ? convertToString(object.get(name), name) : def;
    }
 
    public static Holder<Item> convertToItem(JsonElement element, String name) {
        if (element.isJsonPrimitive()) {
            String itemName = element.getAsString();
            return BuiltInRegistries.ITEM
                .get(Identifier.parse(itemName))
                .orElseThrow(() -> new JsonSyntaxException("Expected " + name + " to be an item, was unknown string '" + itemName + "'"));
        } else {
            throw new JsonSyntaxException("Expected " + name + " to be an item, was " + getType(element));
        }
    }
 
    public static Holder<Item> getAsItem(JsonObject object, String name) {
        if (object.has(name)) {
            return convertToItem(object.get(name), name);
        } else {
            throw new JsonSyntaxException("Missing " + name + ", expected to find an item");
        }
    }
 
    @Contract("_,_,!null->!null;_,_,null->_")
    public static @Nullable Holder<Item> getAsItem(JsonObject object, String name, @Nullable Holder<Item> def) {
        return object.has(name) ? convertToItem(object.get(name), name) : def;
    }
 
    public static boolean convertToBoolean(JsonElement element, String name) {
        if (element.isJsonPrimitive()) {
            return element.getAsBoolean();
        } else {
            throw new JsonSyntaxException("Expected " + name + " to be a Boolean, was " + getType(element));
        }
    }
 
    public static boolean getAsBoolean(JsonObject object, String name) {
        if (object.has(name)) {
            return convertToBoolean(object.get(name), name);
        } else {
            throw new JsonSyntaxException("Missing " + name + ", expected to find a Boolean");
        }
    }
 
    public static boolean getAsBoolean(JsonObject object, String name, boolean def) {
        return object.has(name) ? convertToBoolean(object.get(name), name) : def;
    }
 
    public static double convertToDouble(JsonElement element, String name) {
        if (element.isJsonPrimitive() && element.getAsJsonPrimitive().isNumber()) {
            return element.getAsDouble();
        } else {
            throw new JsonSyntaxException("Expected " + name + " to be a Double, was " + getType(element));
        }
    }
 
    public static double getAsDouble(JsonObject object, String name) {
        if (object.has(name)) {
            return convertToDouble(object.get(name), name);
        } else {
            throw new JsonSyntaxException("Missing " + name + ", expected to find a Double");
        }
    }
 
    public static double getAsDouble(JsonObject object, String name, double def) {
        return object.has(name) ? convertToDouble(object.get(name), name) : def;
    }
 
    public static float convertToFloat(JsonElement element, String name) {
        if (element.isJsonPrimitive() && element.getAsJsonPrimitive().isNumber()) {
            return element.getAsFloat();
        } else {
            throw new JsonSyntaxException("Expected " + name + " to be a Float, was " + getType(element));
        }
    }
 
    public static float getAsFloat(JsonObject object, String name) {
        if (object.has(name)) {
            return convertToFloat(object.get(name), name);
        } else {
            throw new JsonSyntaxException("Missing " + name + ", expected to find a Float");
        }
    }
 
    public static float getAsFloat(JsonObject object, String name, float def) {
        return object.has(name) ? convertToFloat(object.get(name), name) : def;
    }
 
    public static long convertToLong(JsonElement element, String name) {
        if (element.isJsonPrimitive() && element.getAsJsonPrimitive().isNumber()) {
            return element.getAsLong();
        } else {
            throw new JsonSyntaxException("Expected " + name + " to be a Long, was " + getType(element));
        }
    }
 
    public static long getAsLong(JsonObject object, String name) {
        if (object.has(name)) {
            return convertToLong(object.get(name), name);
        } else {
            throw new JsonSyntaxException("Missing " + name + ", expected to find a Long");
        }
    }
 
    public static long getAsLong(JsonObject object, String name, long def) {
        return object.has(name) ? convertToLong(object.get(name), name) : def;
    }
 
    public static int convertToInt(JsonElement element, String name) {
        if (element.isJsonPrimitive() && element.getAsJsonPrimitive().isNumber()) {
            return element.getAsInt();
        } else {
            throw new JsonSyntaxException("Expected " + name + " to be a Int, was " + getType(element));
        }
    }
 
    public static int getAsInt(JsonObject object, String name) {
        if (object.has(name)) {
            return convertToInt(object.get(name), name);
        } else {
            throw new JsonSyntaxException("Missing " + name + ", expected to find a Int");
        }
    }
 
    public static int getAsInt(JsonObject object, String name, int def) {
        return object.has(name) ? convertToInt(object.get(name), name) : def;
    }
 
    public static byte convertToByte(JsonElement element, String name) {
        if (element.isJsonPrimitive() && element.getAsJsonPrimitive().isNumber()) {
            return element.getAsByte();
        } else {
            throw new JsonSyntaxException("Expected " + name + " to be a Byte, was " + getType(element));
        }
    }
 
    public static byte getAsByte(JsonObject object, String name) {
        if (object.has(name)) {
            return convertToByte(object.get(name), name);
        } else {
            throw new JsonSyntaxException("Missing " + name + ", expected to find a Byte");
        }
    }
 
    public static byte getAsByte(JsonObject object, String name, byte def) {
        return object.has(name) ? convertToByte(object.get(name), name) : def;
    }
 
    public static char convertToCharacter(JsonElement element, String name) {
        if (element.isJsonPrimitive() && element.getAsJsonPrimitive().isNumber()) {
            return element.getAsCharacter();
        } else {
            throw new JsonSyntaxException("Expected " + name + " to be a Character, was " + getType(element));
        }
    }
 
    public static char getAsCharacter(JsonObject object, String name) {
        if (object.has(name)) {
            return convertToCharacter(object.get(name), name);
        } else {
            throw new JsonSyntaxException("Missing " + name + ", expected to find a Character");
        }
    }
 
    public static char getAsCharacter(JsonObject object, String name, char def) {
        return object.has(name) ? convertToCharacter(object.get(name), name) : def;
    }
 
    public static BigDecimal convertToBigDecimal(JsonElement element, String name) {
        if (element.isJsonPrimitive() && element.getAsJsonPrimitive().isNumber()) {
            return element.getAsBigDecimal();
        } else {
            throw new JsonSyntaxException("Expected " + name + " to be a BigDecimal, was " + getType(element));
        }
    }
 
    public static BigDecimal getAsBigDecimal(JsonObject object, String name) {
        if (object.has(name)) {
            return convertToBigDecimal(object.get(name), name);
        } else {
            throw new JsonSyntaxException("Missing " + name + ", expected to find a BigDecimal");
        }
    }
 
    public static BigDecimal getAsBigDecimal(JsonObject object, String name, BigDecimal def) {
        return object.has(name) ? convertToBigDecimal(object.get(name), name) : def;
    }
 
    public static BigInteger convertToBigInteger(JsonElement element, String name) {
        if (element.isJsonPrimitive() && element.getAsJsonPrimitive().isNumber()) {
            return element.getAsBigInteger();
        } else {
            throw new JsonSyntaxException("Expected " + name + " to be a BigInteger, was " + getType(element));
        }
    }
 
    public static BigInteger getAsBigInteger(JsonObject object, String name) {
        if (object.has(name)) {
            return convertToBigInteger(object.get(name), name);
        } else {
            throw new JsonSyntaxException("Missing " + name + ", expected to find a BigInteger");
        }
    }
 
    public static BigInteger getAsBigInteger(JsonObject object, String name, BigInteger def) {
        return object.has(name) ? convertToBigInteger(object.get(name), name) : def;
    }
 
    public static short convertToShort(JsonElement element, String name) {
        if (element.isJsonPrimitive() && element.getAsJsonPrimitive().isNumber()) {
            return element.getAsShort();
        } else {
            throw new JsonSyntaxException("Expected " + name + " to be a Short, was " + getType(element));
        }
    }
 
    public static short getAsShort(JsonObject object, String name) {
        if (object.has(name)) {
            return convertToShort(object.get(name), name);
        } else {
            throw new JsonSyntaxException("Missing " + name + ", expected to find a Short");
        }
    }
 
    public static short getAsShort(JsonObject object, String name, short def) {
        return object.has(name) ? convertToShort(object.get(name), name) : def;
    }
 
    public static JsonObject convertToJsonObject(JsonElement element, String name) {
        if (element.isJsonObject()) {
            return element.getAsJsonObject();
        } else {
            throw new JsonSyntaxException("Expected " + name + " to be a JsonObject, was " + getType(element));
        }
    }
 
    public static JsonObject getAsJsonObject(JsonObject object, String name) {
        if (object.has(name)) {
            return convertToJsonObject(object.get(name), name);
        } else {
            throw new JsonSyntaxException("Missing " + name + ", expected to find a JsonObject");
        }
    }
 
    @Contract("_,_,!null->!null;_,_,null->_")
    public static @Nullable JsonObject getAsJsonObject(JsonObject object, String name, @Nullable JsonObject def) {
        return object.has(name) ? convertToJsonObject(object.get(name), name) : def;
    }
 
    public static JsonArray convertToJsonArray(JsonElement element, String name) {
        if (element.isJsonArray()) {
            return element.getAsJsonArray();
        } else {
            throw new JsonSyntaxException("Expected " + name + " to be a JsonArray, was " + getType(element));
        }
    }
 
    public static JsonArray getAsJsonArray(JsonObject object, String name) {
        if (object.has(name)) {
            return convertToJsonArray(object.get(name), name);
        } else {
            throw new JsonSyntaxException("Missing " + name + ", expected to find a JsonArray");
        }
    }
 
    @Contract("_,_,!null->!null;_,_,null->_")
    public static @Nullable JsonArray getAsJsonArray(JsonObject object, String name, @Nullable JsonArray def) {
        return object.has(name) ? convertToJsonArray(object.get(name), name) : def;
    }
 
    public static <T> T convertToObject(@Nullable JsonElement element, String name, JsonDeserializationContext context, Class<? extends T> clazz) {
        if (element != null) {
            return context.deserialize(element, clazz);
        } else {
            throw new JsonSyntaxException("Missing " + name);
        }
    }
 
    public static <T> T getAsObject(JsonObject object, String name, JsonDeserializationContext context, Class<? extends T> clazz) {
        if (object.has(name)) {
            return convertToObject(object.get(name), name, context, clazz);
        } else {
            throw new JsonSyntaxException("Missing " + name);
        }
    }
 
    @Contract("_,_,!null,_,_->!null;_,_,null,_,_->_")
    public static <T> @Nullable T getAsObject(JsonObject object, String name, @Nullable T def, JsonDeserializationContext context, Class<? extends T> clazz) {
        return object.has(name) ? convertToObject(object.get(name), name, context, clazz) : def;
    }
 
    public static String getType(@Nullable JsonElement element) {
        String value = StringUtils.abbreviateMiddle(String.valueOf(element), "...", 10);
        if (element == null) {
            return "null (missing)";
        } else if (element.isJsonNull()) {
            return "null (json)";
        } else if (element.isJsonArray()) {
            return "an array (" + value + ")";
        } else if (element.isJsonObject()) {
            return "an object (" + value + ")";
        } else {
            if (element.isJsonPrimitive()) {
                JsonPrimitive primitive = element.getAsJsonPrimitive();
                if (primitive.isNumber()) {
                    return "a number (" + value + ")";
                }
 
                if (primitive.isBoolean()) {
                    return "a boolean (" + value + ")";
                }
            }
 
            return value;
        }
    }
 
    public static <T> T fromJson(Gson gson, Reader reader, Class<T> type) {
        try {
            JsonReader jsonReader = new JsonReader(reader);
            jsonReader.setStrictness(Strictness.STRICT);
            T result = gson.getAdapter(type).read(jsonReader);
            if (result == null) {
                throw new JsonParseException("JSON data was null or empty");
            } else {
                return result;
            }
        } catch (IOException var5) {
            throw new JsonParseException(var5);
        }
    }
 
    public static <T> @Nullable T fromNullableJson(Gson gson, Reader reader, TypeToken<T> type) {
        try {
            JsonReader jsonReader = new JsonReader(reader);
            jsonReader.setStrictness(Strictness.STRICT);
            return gson.getAdapter(type).read(jsonReader);
        } catch (IOException var4) {
            throw new JsonParseException(var4);
        }
    }
 
    public static <T> T fromJson(Gson gson, Reader reader, TypeToken<T> type) {
        T result = fromNullableJson(gson, reader, type);
        if (result == null) {
            throw new JsonParseException("JSON data was null or empty");
        } else {
            return result;
        }
    }
 
    public static <T> @Nullable T fromNullableJson(Gson gson, String string, TypeToken<T> type) {
        return fromNullableJson(gson, new StringReader(string), type);
    }
 
    public static <T> T fromJson(Gson gson, String string, Class<T> type) {
        return fromJson(gson, new StringReader(string), type);
    }
 
    public static JsonObject parse(String string) {
        return parse(new StringReader(string));
    }
 
    public static JsonObject parse(Reader reader) {
        return fromJson(GSON, reader, JsonObject.class);
    }
 
    public static JsonArray parseArray(String string) {
        return parseArray(new StringReader(string));
    }
 
    public static JsonArray parseArray(Reader reader) {
        return fromJson(GSON, reader, JsonArray.class);
    }
 
    public static String toStableString(JsonElement jsonElement) {
        StringWriter stringWriter = new StringWriter();
        JsonWriter jsonWriter = new JsonWriter(stringWriter);
 
        try {
            writeValue(jsonWriter, jsonElement, Comparator.naturalOrder());
        } catch (IOException var4) {
            throw new AssertionError(var4);
        }
 
        return stringWriter.toString();
    }
 
    public static void writeValue(JsonWriter out, @Nullable JsonElement value, @Nullable Comparator<String> keyComparator) 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()) {
                writeValue(out, e, keyComparator);
            }
 
            out.endArray();
        } else {
            if (!value.isJsonObject()) {
                throw new IllegalArgumentException("Couldn't write " + value.getClass());
            }
 
            out.beginObject();
 
            for (Entry<String, JsonElement> e : sortByKeyIfNeeded(value.getAsJsonObject().entrySet(), keyComparator)) {
                out.name(e.getKey());
                writeValue(out, e.getValue(), keyComparator);
            }
 
            out.endObject();
        }
    }
 
    private static Collection<Entry<String, JsonElement>> sortByKeyIfNeeded(
        Collection<Entry<String, JsonElement>> elements, @Nullable Comparator<String> keyComparator
    ) {
        if (keyComparator == null) {
            return elements;
        } else {
            List<Entry<String, JsonElement>> sorted = new ArrayList<>(elements);
            sorted.sort(Entry.comparingByKey(keyComparator));
            return sorted;
        }
    }
 
    public static boolean encodesLongerThan(JsonElement element, int limit) {
        try {
            Streams.write(element, new JsonWriter(Streams.writerForAppendable(new GsonHelper.CountedAppendable(limit))));
            return false;
        } catch (IllegalStateException var3) {
            return true;
        } catch (IOException var4) {
            throw new UncheckedIOException(var4);
        }
    }
 
    private static class CountedAppendable implements Appendable {
        private int totalCount;
        private final int limit;
 
        public CountedAppendable(int limit) {
            this.limit = limit;
        }
 
        private Appendable accountChars(int count) {
            this.totalCount += count;
            if (this.totalCount > this.limit) {
                throw new IllegalStateException("Character count over limit: " + this.totalCount + " > " + this.limit);
            } else {
                return this;
            }
        }
 
        @Override
        public Appendable append(CharSequence csq) {
            return this.accountChars(csq.length());
        }
 
        @Override
        public Appendable append(CharSequence csq, int start, int end) {
            return this.accountChars(end - start);
        }
 
        @Override
        public Appendable append(char c) {
            return this.accountChars(1);
        }
    }
}

引用的其他类

• Holder

  • 引用位置: 参数/返回值

• ClientboundPlayerInfoUpdatePacket

  • 引用位置: 参数

• Identifier

  • 引用位置: 方法调用
  • 关联成员: Identifier.parse()

• Item

  • 引用位置: 参数/返回值