96 lines
2.9 KiB
Java
96 lines
2.9 KiB
Java
/*
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* Copyright (C) 2018 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.annotations.VisibleForTesting;
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import com.google.common.base.Preconditions;
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import com.google.common.collect.ImmutableList;
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import com.google.copybara.exception.CommandLineException;
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import java.nio.file.Path;
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import javax.annotation.Nullable;
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/**
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* Environment information for command execution: arguments, workdir, etc.
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*/
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public class CommandEnv {
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private final Path workdir;
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private final Options options;
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private final ImmutableList<String> args;
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@Nullable
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private ConfigFileArgs configFileArgs;
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@VisibleForTesting
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public CommandEnv(Path workdir, Options options, ImmutableList<String> args) {
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this.workdir = Preconditions.checkNotNull(workdir);
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this.options = Preconditions.checkNotNull(options);
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this.args = Preconditions.checkNotNull(args);
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}
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/**
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* Get the arguments parsed as config [migration [source_ref]...] if the command uses that format.
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*/
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@Nullable
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public ConfigFileArgs getConfigFileArgs() {
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return configFileArgs;
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}
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/**
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* Parse the CLI arguments as config [workflow [source_ref]...]
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*/
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public ConfigFileArgs parseConfigFileArgs(CopybaraCmd cmd, boolean usesSourceRef)
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throws CommandLineException {
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Preconditions.checkState(this.configFileArgs == null, "parseConfigFileArgs was already"
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+ " called. Only one invocation allowed.");
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if (args.isEmpty()) {
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throw new CommandLineException(
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String.format("Configuration file missing for '%s' subcommand.", cmd.name()));
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}
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String configPath = args.get(0);
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if (args.size() < 2) {
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configFileArgs = new ConfigFileArgs(configPath, /*workflowName=*/null);
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return configFileArgs;
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}
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String workflowName = args.get(1);
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if (args.size() < 3) {
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configFileArgs = new ConfigFileArgs(configPath, workflowName);
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return configFileArgs;
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}
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if (!usesSourceRef) {
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throw new CommandLineException(
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String.format("Too many arguments for subcommand '%s'", cmd.name()));
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}
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configFileArgs = new ConfigFileArgs(configPath, workflowName, args.subList(2, args.size()));
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return configFileArgs;
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}
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public Path getWorkdir() {
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return workdir;
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}
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public Options getOptions() {
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return options;
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}
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public ImmutableList<String> getArgs() {
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return args;
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}
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}
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