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

Introduction

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

Source

/*
 * Copyright 2018-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.core.model.BuildTarget;
import com.facebook.buck.core.rules.ActionGraphBuilder;
import com.facebook.buck.core.rules.BuildRule;
import com.facebook.buck.core.util.log.Logger;
import com.facebook.buck.jvm.core.JavaLibrary;
import com.facebook.buck.util.RichStream;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.ImmutableSortedSet;
import com.google.common.collect.Ordering;
import java.util.Optional;

public class NoDxArgsHelper {

    private static final Logger LOG = Logger.get(NoDxArgsHelper.class);

    static ImmutableSortedSet<JavaLibrary> findRulesToExcludeFromDex(ActionGraphBuilder graphBuilder,
            BuildTarget buildTarget, ImmutableSet<BuildTarget> noDxTargets) {
        // Build rules added to "no_dx" are only hints, not hard dependencies. Therefore, although a
        // target may be mentioned in that parameter, it may not be present as a build rule.
        ImmutableSortedSet.Builder<BuildRule> builder = ImmutableSortedSet.naturalOrder();
        for (BuildTarget noDxTarget : noDxTargets) {
            Optional<BuildRule> ruleOptional = graphBuilder.getRuleOptional(noDxTarget);
            if (ruleOptional.isPresent()) {
                builder.add(ruleOptional.get());
            } else {
                LOG.info("%s: no_dx target not a dependency: %s", buildTarget, noDxTarget);
            }
        }

        ImmutableSortedSet<BuildRule> buildRulesToExcludeFromDex = builder.build();
        return RichStream.from(buildRulesToExcludeFromDex).filter(JavaLibrary.class)
                .collect(ImmutableSortedSet.toImmutableSortedSet(Ordering.natural()));
    }
}