Change Log

Version 1.5.0

2017-05-14

Moshi now uses @Nullable to annotate all possibly-null values. We've added a compile-time dependency on the JSR 305 annotations. This is a provided dependency and does not need to be included in your build configuration, .jar file, or .apk. We use @ParametersAreNonnullByDefault and all parameters and return types are never null unless explicitly annotated @Nullable.
Warning: Moshi APIs in this update are source-incompatible for Kotlin callers. Nullability was previously ambiguous and lenient but now the compiler will enforce strict null checks.
Kotlin models are now supported via the moshi-kotlin extension. KotlinJsonAdapterFactory is the best way to use Kotlin with Moshi. It honors default values and is null-safe. Kotlin users that don't use this factory should write custom adapters for their JSON types. Otherwise Moshi cannot properly initialize delegated properties of the objects it decodes.

New: Upgrade to Okio 1.13.0.

 <dependency>
   <groupId>com.squareup.okio</groupId>
   <artifactId>okio</artifactId>
   <version>1.13.0</version>
 </dependency>

 com.squareup.okio:okio:1.13.0

New: You may now declare delegates in @ToJson and @FromJson methods. If one of the arguments to the method is a JsonAdapter of the same type, that will be the next eligible adapter for that type. This may be useful for composing adapters.
New: Types.equals(Type, Type) makes it easier to compare types in JsonAdapter.Factory.
Fix: Retain the sign on negative zero.

Version 1.4.0

2017-02-04

Moshi 1.4 is a major release that adds JSON values as a core part of the library. We consider any Java object comprised of maps, lists, strings, numbers, booleans and nulls to be a JSON value. These are equivalent to parsed JSON objects in JavaScript, Gson’s JsonElement, and Jackson’s JsonNode. Unlike Jackson and Gson, Moshi just uses Java’s built-in types for its values:

	JSON type	Java type
{...}	Object	Map<String, Object>
[...]	Array	List<Object>
"abc"	String	String
123	Number	Double, Long, or BigDecimal
true	Boolean	Boolean
null	null	null

Moshi's new API JsonAdapter.toJsonValue() converts your application classes to JSON values comprised of the above types. Symmetrically, JsonAdapter.fromJsonValue() converts JSON values to your application classes.

New: JsonAdapter.toJsonValue() and fromJsonValue().
New: JsonReader.readJsonValue() reads a JSON value from a stream.
New: Moshi.adapter(Type, Class<? extends Annotation>) lets you look up the adapter for a qualified type.
New: JsonAdapter.serializeNulls() and indent() return JSON adapters that customize the format of the encoded JSON.
New: JsonReader.selectName() and selectString() optimize decoding JSON with known names and values.
New: Types.nextAnnotations() reduces the amount of code required to implement a custom JsonAdapter.Factory.
Fix: Don't fail on large longs that have a fractional component like 9223372036854775806.0.

Version 1.3.1

2016-10-21

Fix: Don't incorrectly report invalid input when a slash character is escaped. When we tightened our invalid escape handling we missed the one character that is valid both escaped \/ and unescaped /.

Version 1.3.0

2016-10-15

New: Permit @ToJson and @FromJson methods to take any number of JsonAdapter parameters to delegate to. This is supported for @ToJson methods that take a JsonWriter and @FromJson methods that take a JsonReader.
New: Throw JsonEncodingException when the incoming data is not valid JSON. Use this to differentiate data format problems from connectivity problems.

New: Upgrade to Okio 1.11.0.

<dependency>
  <groupId>com.squareup.okio</groupId>
  <artifactId>okio</artifactId>
  <version>1.11.0</version>
</dependency>

New: Omit Kotlin (kotlin.*) and Scala (scala.*) platform types when encoding objects using their fields. This should make it easier to avoid unexpected dependencies on platform versions.
Fix: Explicitly limit reading and writing to 31 levels of nested structure. Previously no specific limit was enforced, but deeply nested documents would fail with either an ArrayIndexOutOfBoundsException due to a bug in JsonWriter's path management, or a StackOverflowError due to excessive recursion.
Fix: Require enclosed types to specify their enclosing type with Types.newParameterizedTypeWithOwner(). Previously this API did not exist and looking up adapters for enclosed parameterized types was not possible.
Fix: Fail on invalid escapes. Previously any character could be escaped. With this fix only characters permitted to be escaped may be escaped. Use JsonReader.setLenient(true) to read JSON documents that escape characters that should not be escaped.

Version 1.2.0

2016-05-28

New: Take advantage of Okio's new Options feature when reading field names and enum values. This has a significant impact on performance. We measured parsing performance improve from 89k ops/sec to 140k ops/sec on one benchmark on one machine.

New: Upgrade to Okio 1.8.0.

<dependency>
  <groupId>com.squareup.okio</groupId>
  <artifactId>okio</artifactId>
  <version>1.8.0</version>
</dependency>

New: Support types that lack no-argument constructors objects on Android releases prior to Gingerbread.
Fix: Add writer value overload for boxed booleans. Autoboxing resolves boxed longs and doubles to value(Number), but a boxed boolean would otherwise resolve to value(boolean) with an implicit call to booleanValue() which has the potential to throw NPEs.
Fix: Be more aggressive about canonicalizing types.

Version 1.1.0

2016-01-19

New: Support RFC 7159, the latest JSON specification. This removes the constraint that the root value must be an array or an object. It may now take any value: array, object, string, number, boolean, or null. Previously this was only permitted if the adapter was configured to be lenient.
New: Enum constants may be annotated with @Json to customize their encoded value.
New: Create new builder from Moshi instance with Moshi.newBuilder().
New: Types.getRawType() and Types.collectionElementType() APIs to assist in defining generic type adapter factories.

Version 1.0.0

2015-09-27

API Change: Replaced new JsonReader() with JsonReader.of() and new JsonWriter() with JsonWriter.of(). If your code calls either of these constructors it will need to be updated to call the static factory method instead.
API Change: Don’t throw IOException on JsonAdapter.toJson(T). Code that calls this method may need to be fixed to no longer catch an impossible IOException.
Fix: the JSON adapter for Object no longer fails when encountering null in the stream.
New: @Json annotation can customize a field's name. This is particularly handy for fields whose names are Java keywords, like default or public.
New: Rfc3339DateJsonAdapter converts between a java.util.Date and a string formatted with RFC 3339 (like 2015-09-26T18:23:50.250Z). This class is in the new moshi-adapters subproject. You will need to register this adapter if you want this date formatting behavior. See it in action in the dates example.
New: Moshi.adapter() keeps a cache of all created adapters. For best efficiency, application code should keep a reference to required adapters in a field.
New: The Types factory class makes it possible to compose types like List<Card> or Map<String, Integer>. This is useful to look up JSON adapters for parameterized types.
New: JsonAdapter.failOnUnknown() returns a new JSON adapter that throws if an unknown value is encountered on the stream. Use this in development and debug builds to detect typos in field names. This feature shouldn’t be used in production because it makes migrations very difficult.

Version 0.9.0

2015-06-16

Databinding for primitive types, strings, enums, arrays, collections, and maps.
Databinding for plain old Java objects.
JSONPath support for both JsonReader and JsonWriter.
Throw JsonDataException when there’s a data binding problem.
Adapter methods: @ToJson and @FromJson.
Qualifier annotations: @JsonQualifier to permit different type adapters for the same Java type.
Imported code from Gson: JsonReader, JsonWriter. Also some internal classes: LinkedHashTreeMap for hash-collision avoidance and Types for typesafe databinding.

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