|  | # Copyright 2019 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. | 
|  |  | 
|  | """ | 
|  | Finds the Java toolchain. | 
|  |  | 
|  | Returns the toolchain if enabled, and falls back to a toolchain constructed from | 
|  | legacy toolchain selection. | 
|  | """ | 
|  |  | 
|  | def find_java_toolchain(ctx, target): | 
|  | """ | 
|  | Finds the Java toolchain. | 
|  |  | 
|  | If the Java toolchain is in use, returns it.  Otherwise, returns a Java | 
|  | toolchain derived from legacy toolchain selection. | 
|  |  | 
|  | Args: | 
|  | ctx: The rule context for which to find a toolchain. | 
|  | target: A java_toolchain target (for legacy toolchain resolution). | 
|  |  | 
|  | Returns: | 
|  | A JavaToolchainInfo. | 
|  | """ | 
|  |  | 
|  | _ignore = [ctx] | 
|  |  | 
|  | return target[java_common.JavaToolchainInfo] | 
|  |  | 
|  | def find_java_runtime_toolchain(ctx, target): | 
|  | """ | 
|  | Finds the Java runtime. | 
|  |  | 
|  | If the Java toolchain is in use, returns it.  Otherwise, returns a Java | 
|  | runtime derived from legacy toolchain selection. | 
|  |  | 
|  | Args: | 
|  | ctx: The rule context for which to find a toolchain. | 
|  | target: A java_runtime target (for legacy toolchain resolution). | 
|  |  | 
|  | Returns: | 
|  | A JavaRuntimeInfo. | 
|  | """ | 
|  |  | 
|  | _ignore = [ctx] | 
|  |  | 
|  | return target[java_common.JavaRuntimeInfo] |