java/common/rules/impl/bazel_java_library_impl.bzl

# Copyright 2021 The Bazel Authors. All rights reserved.
#
# 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.

"""
Definition of java_library rule.
"""

load("//java/common/rules/impl:basic_java_library_impl.bzl", "basic_java_library", "construct_defaultinfo")

# copybara: default visibility

def bazel_java_library_rule(
        ctx,
        srcs = [],
        deps = [],
        runtime_deps = [],
        plugins = [],
        exports = [],
        exported_plugins = [],
        resources = [],
        javacopts = [],
        neverlink = False,
        proguard_specs = [],
        add_exports = [],
        add_opens = [],
        bootclasspath = None,
        javabuilder_jvm_flags = None):
    """Implements java_library.

    Use this call when you need to produce a fully fledged java_library from
    another rule's implementation.

    Args:
      ctx: (RuleContext) Used to register the actions.
      srcs: (list[File]) The list of source files that are processed to create the target.
      deps: (list[Target]) The list of other libraries to be linked in to the target.
      runtime_deps: (list[Target]) Libraries to make available to the final binary or test at runtime only.
      plugins: (list[Target]) Java compiler plugins to run at compile-time.
      exports: (list[Target]) Exported libraries.
      exported_plugins: (list[Target]) The list of `java_plugin`s (e.g. annotation
        processors) to export to libraries that directly depend on this library.
      resources: (list[File]) A list of data files to include in a Java jar.
      javacopts: (list[str]) Extra compiler options for this library.
      neverlink: (bool) Whether this library should only be used for compilation and not at runtime.
      proguard_specs: (list[File]) Files to be used as Proguard specification.
      add_exports: (list[str]) Allow this library to access the given <module>/<package>.
      add_opens: (list[str]) Allow this library to reflectively access the given <module>/<package>.
      bootclasspath: (Target) The JDK APIs to compile this library against.
      javabuilder_jvm_flags: (list[str]) Additional JVM flags to pass to JavaBuilder.
    Returns:
      (dict[str, provider]) A list containing DefaultInfo, JavaInfo,
        InstrumentedFilesInfo, OutputGroupsInfo, ProguardSpecProvider providers.
    """
    if not srcs and deps:
        fail("deps not allowed without srcs; move to runtime_deps?")

    target, base_info = basic_java_library(
        ctx,
        srcs,
        deps,
        runtime_deps,
        plugins,
        exports,
        exported_plugins,
        resources,
        [],  # resource_jars
        [],  # class_pathresources
        javacopts,
        neverlink,
        proguard_specs = proguard_specs,
        add_exports = add_exports,
        add_opens = add_opens,
        bootclasspath = bootclasspath,
        javabuilder_jvm_flags = javabuilder_jvm_flags,
    )

    target["DefaultInfo"] = construct_defaultinfo(
        ctx,
        base_info.files_to_build,
        base_info.runfiles,
        neverlink,
        exports,
        runtime_deps,
    )
    target["OutputGroupInfo"] = OutputGroupInfo(**base_info.output_groups)

    return target