com.facebook.buck.cpp.ArStep.java Source code

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Here is the source code for com.facebook.buck.cpp.ArStep.java

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/*
 * Copyright 2012-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.cpp;

import com.facebook.buck.shell.ShellStep;
import com.facebook.buck.step.ExecutionContext;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSortedSet;

import java.nio.file.Path;

/**
 * Create an object archive with ar.
 */
public class ArStep extends ShellStep {

    public static final String AR = "ar";

    private final ImmutableSortedSet<Path> srcs;
    private final Path outputFile;

    ArStep(ImmutableSortedSet<Path> srcs, Path outputFile) {
        this.srcs = Preconditions.checkNotNull(srcs);
        this.outputFile = Preconditions.checkNotNull(outputFile);
    }

    @Override
    protected ImmutableList<String> getShellCommandInternal(ExecutionContext context) {
        ImmutableList.Builder<String> cmdBuilder = ImmutableList.builder();

        cmdBuilder.add(AR).add("-q") /* do not check for existing objects */
                .add(outputFile.toString());
        for (Path src : srcs) {
            cmdBuilder.add(src.toString());
        }

        return cmdBuilder.build();
    }

    @Override
    public String getShortName() {
        return AR;
    }
}