102 lines
3.7 KiB
Java
102 lines
3.7 KiB
Java
/*
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* Copyright (C) 2017 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.copybara;
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import com.google.common.base.Preconditions;
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import com.google.copybara.config.Config;
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import com.google.copybara.config.ConfigFile;
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import com.google.copybara.config.SkylarkParser;
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import com.google.copybara.config.SkylarkParser.ConfigWithDependencies;
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import com.google.copybara.exception.RepoException;
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import com.google.copybara.exception.ValidationException;
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import com.google.copybara.profiler.Profiler.ProfilerTask;
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import com.google.copybara.util.console.Console;
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import com.google.copybara.util.console.StarlarkMode;
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import java.io.IOException;
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/**
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* Loads the configuration from a given config file.
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*/
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public class ConfigLoader {
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private final SkylarkParser skylarkParser;
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private final ConfigFile configFile;
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private final ModuleSet moduleSet;
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public ConfigLoader(ModuleSet moduleSet, ConfigFile configFile, StarlarkMode validateStarlark) {
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this.moduleSet = moduleSet;
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this.skylarkParser = new SkylarkParser(this.moduleSet.getStaticModules(), validateStarlark);
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this.configFile = Preconditions.checkNotNull(configFile);
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}
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/**
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* Returns a string representation of the location of this configuration.
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*/
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public String location() {
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return configFile.path();
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}
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/**
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* Loads the configuration using this loader.
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* @param console the console to use for reporting progress/errors
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*/
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public Config load(Console console) throws ValidationException, IOException {
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return loadForConfigFile(console, configFile);
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}
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/**
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* Loads the configuration using this loader.
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* @param console the console to use for reporting progress/errors
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*/
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public ConfigWithDependencies loadWithDependencies(Console console)
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throws ValidationException, IOException {
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console.progressFmt("Loading config and dependencies %s", configFile.getIdentifier());
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try (ProfilerTask ignore = moduleSet.getOptions().get(GeneralOptions.class).profiler()
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.start("loading_config_with_deps")) {
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return skylarkParser.getConfigWithTransitiveImports(configFile, moduleSet, console);
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}
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}
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protected Config loadForConfigFile(Console console, ConfigFile configFile)
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throws IOException, ValidationException {
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console.progressFmt("Loading config %s", configFile.getIdentifier());
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try (ProfilerTask ignore = moduleSet.getOptions().get(GeneralOptions.class).profiler()
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.start("loading_config")) {
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return skylarkParser.loadConfig(configFile, moduleSet, console);
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}
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}
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protected Config doLoadForRevision(Console console, Revision revision)
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throws ValidationException, RepoException {
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throw new UnsupportedOperationException(
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"This origin/configuration doesn't allow loading configs from specific revisions");
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}
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public final Config loadForRevision(Console console, Revision revision)
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throws ValidationException, RepoException {
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try (ProfilerTask ignore = moduleSet.getOptions().get(GeneralOptions.class).profiler()
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.start("loading_config_for_revision")) {
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return doLoadForRevision(console, revision);
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}
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}
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public boolean supportsLoadForRevision() {
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return false;
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}
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}
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