com.facebook.buck.android.AidlStep.java Source code

Introduction

Here is the source code for com.facebook.buck.android.AidlStep.java

Source

/*
 * 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.android;

import com.facebook.buck.shell.ShellStep;
import com.facebook.buck.step.ExecutionContext;
import com.facebook.buck.util.AndroidPlatformTarget;
import com.facebook.buck.util.ProjectFilesystem;
import com.facebook.buck.util.Verbosity;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;

import java.nio.file.Path;
import java.util.Set;

public class AidlStep extends ShellStep {

    private final Path aidlFilePath;
    private final Set<String> importDirectoryPaths;
    private final Path destinationDirectory;

    public AidlStep(Path aidlFilePath, Set<String> importDirectoryPaths, Path destinationDirectory) {
        this.aidlFilePath = Preconditions.checkNotNull(aidlFilePath);
        this.importDirectoryPaths = ImmutableSet.copyOf(importDirectoryPaths);
        this.destinationDirectory = Preconditions.checkNotNull(destinationDirectory);
    }

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

        // The arguments passed to aidl are based off of what I observed when running Ant in verbose
        // mode.
        AndroidPlatformTarget androidPlatformTarget = context.getAndroidPlatformTarget();
        ProjectFilesystem projectFilesystem = context.getProjectFilesystem();
        args.add(androidPlatformTarget.getAidlExecutable().getAbsolutePath());

        // For some reason, all of the flags to aidl do not permit a space between the flag name and
        // the flag value.

        // fail when trying to compile a parcelable
        args.add("-b");

        // file created by --preprocess to import
        args.add("-p" + androidPlatformTarget.getAndroidFrameworkIdlFile().getAbsolutePath());

        // search path for import statements
        for (String importDirectoryPath : importDirectoryPaths) {
            args.add("-I" + importDirectoryPath);
        }

        // base output folder for generated files
        args.add("-o" + projectFilesystem.resolve(destinationDirectory));

        args.add(aidlFilePath.toString());

        return args.build();
    }

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

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

}