Merge "Refine error messages in case of missing api files" am: 03a471a8 am: 1c033c09

	if module.sdkLibraryProperties.Api_packages == nil {

		mctx.PropertyErrorf("api_packages", "java_sdk_library must specify api_packages")

	}

	missing_current_api := false

	for _, scope := range []string{"", "system-", "test-"} {

		for _, api := range []string{"current.txt", "removed.txt"} {

			path := path.Join(mctx.ModuleDir(), "api", scope+api)

			p := android.ExistentPathForSource(mctx, path)

			if !p.Valid() {

				mctx.ModuleErrorf("Current api file %#v doesn't exist", path)

				missing_current_api = true

			}

		}

	}

	if missing_current_api {

		script := "build/soong/scripts/gen-java-current-api-files.sh"

		p := android.ExistentPathForSource(mctx, script)

		if !p.Valid() {

			panic(fmt.Sprintf("script file %s doesn't exist", script))

		}

		mctx.ModuleErrorf("One or more current api files are missing. "+

			"You can update them by:\n"+

			"%s %q && m update-api", script, mctx.ModuleDir())

		return

	}

	// for public API stubs

	module.createStubsLibrary(mctx, apiScopePublic)

	module.createDocs(mctx, apiScopePublic)

#!/bin/bash -e

# Copyright (C) 2019 The Android Open Source Project

#

# 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.

if [[ -z "$1" ]]; then

  echo "usage: $0 <modulePath>" >&2

  exit 1

fi

api_dir=$1/api

mkdir -p "$api_dir"

scopes=("" system- test-)

apis=(current removed)

for scope in "${scopes[@]}"; do

  for api in "${apis[@]}"; do

    touch "${api_dir}/${scope}${api}.txt"

  done

done