com.facebook.buck.parser.RuleJsonPredicateSpec.java Source code

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Here is the source code for com.facebook.buck.parser.RuleJsonPredicateSpec.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.parser;

import com.facebook.buck.model.BuildTarget;
import com.facebook.buck.rules.TargetNode;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableSet;

import java.nio.file.Path;
import java.nio.file.Paths;

/**
 * Matches all {@link TargetNode} objects in a repository whose raw rule map matches the given
 * {@link RuleJsonPredicate}.
 */
public class RuleJsonPredicateSpec implements TargetNodeSpec {

    private final RuleJsonPredicate predicate;
    private final BuildFileSpec buildFileSpec;

    public RuleJsonPredicateSpec(RuleJsonPredicate predicate, ImmutableSet<Path> ignoreDirs) {
        this.predicate = Preconditions.checkNotNull(predicate);
        this.buildFileSpec = BuildFileSpec.fromRecursivePath(Paths.get(""), ignoreDirs);
    }

    @Override
    public ImmutableSet<BuildTarget> filter(Iterable<TargetNode<?>> nodes) {
        ImmutableSet.Builder<BuildTarget> targets = ImmutableSet.builder();

        for (TargetNode<?> node : nodes) {
            if (predicate.isMatch(node.getRuleFactoryParams().getInstance(),
                    node.getDescription().getBuildRuleType(), node.getBuildTarget())) {
                targets.add(node.getBuildTarget());
            }
        }

        return targets.build();
    }

    @Override
    public BuildFileSpec getBuildFileSpec() {
        return buildFileSpec;
    }

}