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Change Log

JavaPoet 1.9.0 (2017-05-13)

  • Fix: Don't emit incorrect code when the declared type's signature references another type with the same simple name.
  • Fix: Support anonymous inner classes in ClassName.get().
  • New: MethodSpec.Builder.addNamedCode() and TypeSpec.anonymousClassBuilder(CodeBlock).

JavaPoet 1.8.0 (2016-11-09)

  • New: Basic support for line wrapping. Use $W to insert a Wrappable Whitespace character. It'll emit either a single space or a newline with appropriate indentation.

  • New: Named arguments in CodeBlock. These are intended to make larger code snippets easier to read:

     Map<String, Object> map = new LinkedHashMap<>();
 map.put("count", 3);
 map.put("greeting", "Hello, ");
 map.put("system", System.class);

 String template = ""
     + "for (int i = 0; i < $count:L; i++) {\n"
     + "  $system:T.out.println($greeting:S + list.get(i));\n"
     + "}\n";

 CodeBlock.Builder builder = CodeBlock.builder();
 builder.addNamed(template, map);

  • New: addJavadoc(CodeBlock) overloads for TypeSpec, MethodSpec, and FieldSpec.

  • New: MethodSpec.addComment() makes it easy to add a // single-line comment.

  • New: ClassName.getReflectionName() returns a string like java.util.Map$Entry.

  • Fix: Always write UTF-8. Previously JavaPoet would use the system default charset which was potentially inconsistent across environments.

  • Fix: Permit (constant) fields to be defined in annotation types.

JavaPoet 1.7.0 (2016-04-26)

  • New: Support parameterized types that enclose other types, like Outer<String>.Inner.
  • New: TypeName.isBoxedPrimitive().

JavaPoet 1.6.1 (2016-03-21)

  • Fix: Double quotes and backslashes in string literals were not properly quoted in 1.6.0. This is now fixed.

JavaPoet 1.6.0 (2016-03-19)

  • New: Revive CodeBlock.of(), a handy factory method for building code blocks.
  • New: Add TypeSpec factory methods that take a ClassName.
  • New: TypeName.annotated() adds an annotation to a type.
  • New: TypeVariableName.withBounds() adds bounds to a type variable.
  • New: TypeSpec.Builder.addInitializerBlock() adds an instance initializer.
  • Fix: Make TypeSpec.Kind enum public. This can be used to check if a TypeSpec is a class, interface, enum, or annotation.
  • Fix: Don’t break import resolution on annotated types.
  • Fix: Forbid unexpected modifiers like private on annotation members.
  • Fix: Deduplicate exceptions in MethodSpec.Builder.
  • Fix: Treat ErrorType like a regular DeclaredType in TypeName.get(). This should make it easier to write annotation processors.

JavaPoet 1.5.1 (2016-01-10)

  • Fix: Annotated TypeName instances are only equal if their annotations are equal.

JavaPoet 1.5.0 (2016-01-10)

  • New: import static! See JavaFile.Builder.addStaticImport() variants.
  • New: Overload NameAllocator.newName(String) for creating a one-off name without a tag.
  • Fix: AnnotationSpec escapes character literals properly.
  • Fix: Don't stack overflow when TypeVariableName is part of ParameterizedTypeName.
  • Fix: Reporting not used indexed arguments in like add("$1S", "a", "b").
  • Fix: Prevent import of types located in the default package, i.e. have no package name.

JavaPoet 1.4.0 (2015-11-13)

  • New: AnnotationSpec.get(Annotation).
  • New: Type annotations! TypeName.annotated() can attach annotations like @Nullable directly to types. This works for both top-level types and type parameters as in List<@Nullable String>.
  • New: equals() and hashCode() on AnnotationSpec, CodeBlock, FieldSpec, JavaFile, MethodSpec, ParameterSpec, TypeName, and TypeSpec.
  • New: NameAllocator.clone() to refine a NameAllocator for use in an inner scope code block.
  • Fix: Don't stack overflow when TypeVariableName gets a self-referential type.
  • Fix: Better handling of name collisions on imports. Previously JavaPoet did the wrong thing when a referenced type and a nested types had the same name.

JavaPoet 1.3.0 (2015-09-20)

  • New: NameAllocator API makes it easy to declare non-conflicting names.
  • New: Support annotations on enum values.
  • Fix: Avoid infinite recursion in TypeName.get(TypeMirror).
  • Fix: Use qualified name for conflicting simple names in the same file.
  • Fix: Better messages for parameter indexing errors.

JavaPoet 1.2.0 (2015-07-04)

  • New: Arguments may have positional indexes like $1T and $2N. Indexes can be used to refer to the same argument multiple times in a single format string.
  • New: Permit Javadoc on enum constants.
  • New: Class initializer blocks with addStaticBlock().
  • Fix: MethodSpec.overriding() retains annotations.

JavaPoet 1.1.0 (2015-05-25)

  • New: Eager validation of argument types like $T and $N.
  • New: MethodSpec.varargs(boolean) to generate varags methods.
  • New: AnnotationSpec.get() and MethodSpec.overriding() to create annotations and methods from the javax.lang.model API.
  • New: JavaFile.toJavaFileObject().
  • New: Java 8 DEFAULT modifier.
  • New: toBuilder() methods to build upon objects already constructed.
  • New: Generate @interface annotation types.
  • New: TypeName.box() and TypeName.unbox() convenience APIs.
  • Fix: nextControlFlow() accepts arguments.
  • Fix: Reject duplicate calls to set the superclass.
  • Fix: WildcardTypeName.get(WildcardType) no longer throws a NullPointerException.
  • Fix: Don't allow double field initialization.

JavaPoet 1.0.0 (2015-01-28)

  • This update is a complete rewrite. The project name is now javapoet. We renamed the it so you can simultaneously use the old JavaWriter API and our new builder-based APIs in one project.
  • Immutable value objects and builders. Instead of streaming the .java file from top to bottom, you now define members in whatever way is convenient.
  • We now use our own models for type names.
  • Imports are now added automatically.

JavaWriter 2.5.1 (2014-12-03)

  • New: StringLiteral type which encapsulates the behavior of stringLiteral.
  • Fix: Use canonical name when emitting a class import.
  • Fix: Apply type compression to varargs and array types.
  • Fix: Restore binary compatibility with pre-2.5 versions.

JavaWriter 2.5.0 (2014-04-18)

  • New: Methods in interfaces will always have no body declaration.
  • New: Control flow begin declaration now supports String format arguments.
  • Fix: Truncate any generic type when emitting constructors.
  • Fix: Do not emit trailing whitespace after '=' at end-of-line.

JavaWriter 2.4.0 (2014-01-10)

  • New: Properly indent hanging lines in field initializers.
  • New: emitEnumValue variant which exposes a boolean of whether the current value is the last.

JavaWriter 2.3.1 (2013-12-16)

  • Fix: Properly handle subpackages of java.lang in compressType.

JavaWriter 2.3.0 (2013-11-24)

  • New: Configurable indent level via setIndent.
  • New: beginConstructor method is a semantically clearer alternative for constructors.
  • New: emitEnumValues method emits a list of values followed by semicolon.
  • emitImports now supports Class arguments directly.
  • Previously-deprecated, int-based modifier methods have been removed.

JavaWriter 2.2.1 (2013-10-23)

  • Fix: Do not emit trailing whitespace for empty Javadoc lines.

JavaWriter 2.2.0 (2013-09-25)

  • setCompressingTypes controls whether types are emitted as fully-qualified or not.

JavaWriter 2.1.2 (2013-08-23)

  • Attempt to keep annotations on a single line.

JavaWriter 2.1.1 (2013-07-23)

  • Fix: stringLiteral now correctly handles escapes and control characters.

JavaWriter 2.1.0 (2013-07-15)

  • New: All methods now take a Set of Modifiers rather than an int. The int methods are now deprecated for removal in JavaPoet 1.0.
  • Annotations with a single "value" attribute will now omit the key.

JavaWriter 2.0.1 (2013-06-17)

  • Correct casing of emitSingleLineComment.

JavaWriter 2.0.0 (2013-06-06)

  • Package name is now com.squareup.javawriter.
  • Support declaring throws clause on methods.

JavaWriter 1.0.5 (2013-05-08)

  • Fix: Fully qualify types whose simple name matches an import.

JavaWriter 1.0.4 (2013-03-15)

  • Fix: Static import emit now properly supports method imports.

JavaWriter 1.0.3 (2013-02-21)

  • Add support for emitting static imports.

JavaWriter 1.0.2 (2013-02-11)

  • Add type API for helping build generic types.
  • Minor performance improvements.

JavaWriter 1.0.1 (2013-02-03)

  • Expose compressType API.

JavaWriter 1.0.0 (2013-02-01)

Initial release.