com.facebook.buck.thrift.ThriftCompilerStep.java Source code

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Here is the source code for com.facebook.buck.thrift.ThriftCompilerStep.java

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/*
 * Copyright 2014-present Facebook, Inc.
 *
 * 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.facebook.buck.thrift;

import com.facebook.buck.shell.ShellStep;
import com.facebook.buck.step.ExecutionContext;
import com.facebook.buck.util.MoreIterables;
import com.facebook.buck.util.Verbosity;
import com.google.common.base.Joiner;
import com.google.common.base.Objects;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Iterables;

import java.nio.file.Path;

public class ThriftCompilerStep extends ShellStep {

    private final ImmutableMap<String, String> environment;
    private final ImmutableList<String> compilerPrefix;
    private final Path outputDir;
    private final Path input;
    private final String language;
    private final ImmutableSet<String> options;
    private final ImmutableList<Path> includes;

    public ThriftCompilerStep(Path workingDirectory, ImmutableMap<String, String> environment,
            ImmutableList<String> compilerPrefix, Path outputDir, Path input, String language,
            ImmutableSet<String> options, ImmutableList<Path> includes) {
        super(workingDirectory);
        this.environment = environment;
        this.compilerPrefix = compilerPrefix;
        this.outputDir = outputDir;
        this.input = input;
        this.language = language;
        this.options = options;
        this.includes = includes;
    }

    @Override
    protected ImmutableList<String> getShellCommandInternal(ExecutionContext context) {
        return ImmutableList.<String>builder().addAll(compilerPrefix)
                .add("--gen", String.format("%s:%s", language, Joiner.on(',').join(options)))
                .addAll(MoreIterables.zipAndConcat(Iterables.cycle("-I"),
                        Iterables.transform(includes, Object::toString)))
                .add("-o", outputDir.toString()).add(input.toString()).build();
    }

    @Override
    public ImmutableMap<String, String> getEnvironmentVariables(ExecutionContext context) {
        return environment;
    }

    @Override
    public boolean shouldPrintStderr(Verbosity verbosity) {
        return verbosity.shouldPrintStandardInformation();
    }

    @Override
    public String getShortName() {
        return "thrift";
    }

    @Override
    public boolean equals(Object o) {

        if (this == o) {
            return true;
        }

        if (!(o instanceof ThriftCompilerStep)) {
            return false;
        }

        ThriftCompilerStep that = (ThriftCompilerStep) o;

        if (!compilerPrefix.equals(that.compilerPrefix)) {
            return false;
        }

        if (!includes.equals(that.includes)) {
            return false;
        }

        if (!input.equals(that.input)) {
            return false;
        }

        if (!language.equals(that.language)) {
            return false;
        }

        if (!options.equals(that.options)) {
            return false;
        }

        if (!outputDir.equals(that.outputDir)) {
            return false;
        }

        if (!environment.equals(that.environment)) {
            return false;
        }

        return true;
    }

    @Override
    public int hashCode() {
        return Objects.hashCode(compilerPrefix, outputDir, input, language, options, includes);
    }

}