io.github.chains_project.maven_lockfile.graph.NodeId Maven / Gradle / Ivy

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This plugin is a state-of-the-art solution that can be used to validate the integrity of a maven repository. It does this by generating a lock file that contains the checksums of all the artifacts in the repository. The lock file can then be used to validate the integrity of the repository. This guards the supply chain against malicious actors that might tamper with the artifacts in the repository.

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package io.github.chains_project.maven_lockfile.graph;

import io.github.chains_project.maven_lockfile.data.ArtifactId;
import io.github.chains_project.maven_lockfile.data.GroupId;
import io.github.chains_project.maven_lockfile.data.VersionNumber;
import java.util.Objects;

public class NodeId {

    private final GroupId groupId;
    private final ArtifactId artifactId;
    private final VersionNumber version;

    NodeId(GroupId groupId, ArtifactId artifactId, VersionNumber version) {
        this.groupId = groupId;
        this.artifactId = artifactId;
        this.version = version;
    }

    @Override
    public String toString() {
        return groupId.getValue() + ":" + artifactId.getValue() + ":" + version.getValue();
    }

    public static NodeId fromValue(String value) {
        String[] split = value.split(":");
        return new NodeId(GroupId.of(split[0]), ArtifactId.of(split[1]), VersionNumber.of(split[2]));
    }

    @Override
    public int hashCode() {
        return Objects.hash(groupId, artifactId, version);
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (!(obj instanceof NodeId)) {
            return false;
        }
        NodeId other = (NodeId) obj;
        return Objects.equals(groupId, other.groupId)
                && Objects.equals(artifactId, other.artifactId)
                && Objects.equals(version, other.version);
    }
}