com.facebook.buck.rules.AbstractArchiveMemberSourcePath.java Source code

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Here is the source code for com.facebook.buck.rules.AbstractArchiveMemberSourcePath.java

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/*
 * Copyright 2016-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.rules;

import com.facebook.buck.util.immutables.BuckStyleTuple;
import com.google.common.base.Preconditions;
import com.google.common.collect.ComparisonChain;
import java.nio.file.Path;
import org.immutables.value.Value;

/** A {@link SourcePath} that can reference a member within an archive. */
@BuckStyleTuple
@Value.Immutable(prehash = true)
abstract class AbstractArchiveMemberSourcePath implements SourcePath {

    public abstract SourcePath getArchiveSourcePath();

    public abstract Path getMemberPath();

    @Value.Check
    public void check() {
        Preconditions.checkState(!getMemberPath().isAbsolute(),
                "ArchiveMemberSourcePath must not be absolute but was %s", getMemberPath());
    }

    @Override
    public int compareTo(SourcePath other) {
        if (other == this) {
            return 0;
        }

        int classComparison = compareClasses(other);
        if (classComparison != 0) {
            return classComparison;
        }

        AbstractArchiveMemberSourcePath that = (AbstractArchiveMemberSourcePath) other;

        return ComparisonChain.start().compare(getArchiveSourcePath(), that.getArchiveSourcePath())
                .compare(getMemberPath(), that.getMemberPath()).result();
    }
}