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Add options converters specific to R8 to avoid depending on android_b…
…uilder_lib which causes classpath conflicts with D8 classes. RELNOTE: None PiperOrigin-RevId: 526149555 Change-Id: Iacfce24cc3d2327ef63c47f3bfd76813beaefc7a
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src/tools/android/java/com/google/devtools/build/android/r8/OptionsConverters.java
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| // Copyright 2023 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. | ||
| package com.google.devtools.build.android.r8; | ||
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| import com.google.devtools.common.options.Converter; | ||
| import com.google.devtools.common.options.OptionsParsingException; | ||
| import java.nio.file.FileSystems; | ||
| import java.nio.file.Files; | ||
| import java.nio.file.InvalidPathException; | ||
| import java.nio.file.Path; | ||
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| /** Options converters used by R8. */ | ||
| public class OptionsConverters { | ||
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| /** Validating converter for Paths. A Path is considered valid if it resolves to a file. */ | ||
| public static class PathConverter extends Converter.Contextless<Path> { | ||
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| private final boolean mustExist; | ||
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| public PathConverter() { | ||
| this.mustExist = false; | ||
| } | ||
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| protected PathConverter(boolean mustExist) { | ||
| this.mustExist = mustExist; | ||
| } | ||
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| @Override | ||
| public Path convert(String input) throws OptionsParsingException { | ||
| try { | ||
| Path path = FileSystems.getDefault().getPath(input); | ||
| if (mustExist && !Files.exists(path)) { | ||
| throw new OptionsParsingException( | ||
| String.format("%s is not a valid path: it does not exist.", input)); | ||
| } | ||
| return path; | ||
| } catch (InvalidPathException e) { | ||
| throw new OptionsParsingException( | ||
| String.format("%s is not a valid path: %s.", input, e.getMessage()), e); | ||
| } | ||
| } | ||
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| @Override | ||
| public String getTypeDescription() { | ||
| return "a valid filesystem path"; | ||
| } | ||
| } | ||
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| /** | ||
| * Validating converter for Paths. A Path is considered valid if it resolves to a file and exists. | ||
| */ | ||
| public static class ExistingPathConverter extends PathConverter { | ||
| public ExistingPathConverter() { | ||
| super(true); | ||
| } | ||
| } | ||
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| private OptionsConverters() {} | ||
| } |