Module toad_jni::java

java language features and class shims

Modules

• io
  java/io/*
• lang
  java/lang/*
• math
  java/math/*
• net
  java/net/*
• nio
  java/nio/*
• time
  java/time/*
• util
  java/util/*

Macros

• object_newtype
  Derive crate::java::Object for a tuple struct with 1 crate::java::lang::Object field.

Structs

• Constructor
  A static high-level wrapper around Java class constructors
• Field
  A high-level lens into a Java object field
• Method
  Static high-level wrapper of Java class instance methods
• NoUpcast
  Helper type that has T’s java::Class::PATH but does not invoke java::Object::upcast on it, preserving the java::lang::Object.
• Nullable
  Helper type that wraps a type T without invoking java::Object::upcast on it, preventing potential NullPointerExceptions.
• Signature
  Provides strongly-typed JVM type signature strings at compile-time
• StaticField
  A high-level lens into a static Java object field
• StaticMethod
  Static high-level wrapper of static Java class methods

Traits

• Class
  An object with a known class definition
• Object
  A rust type that can be converted to & from a java::lang::Object
• Primitive
  Primitive java values that can be cheaply converted to / from JValue and can be wrapped by an Object class.
• ResultExt
  [toad_jni::errors::Result] interop helpers
• ResultYieldToJavaOrThrow
  Handle a Result<impl java::Object, Throwable> in a native method implementation.
• Type
  A type that has a corresponding Java type

Functions

• env
  Create a new local frame from the global jvm handle

Type Definitions

• Env
  Alias for jni::JNIEnv