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JHipster Lite

There is a newer version: 1.22.0

package tech.jhipster.lite.module.domain.javadependency;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Map;
import java.util.Optional;
import java.util.function.Function;
import java.util.stream.Collectors;
import tech.jhipster.lite.shared.error.domain.Assert;

public class JavaDependencies {

  public static final JavaDependencies EMPTY = new JavaDependencies(null);

  private final Map dependencies;

  public JavaDependencies(Collection dependencies) {
    this.dependencies = buildDependencies(dependencies);
  }

  private Map buildDependencies(Collection dependencies) {
    if (dependencies == null) {
      return Map.of();
    }

    return dependencies.stream().collect(Collectors.toUnmodifiableMap(JavaDependency::id, Function.identity()));
  }

  public Optional get(DependencyId id) {
    Assert.notNull("id", id);

    return Optional.ofNullable(dependencies.get(id));
  }

  public JavaDependencies merge(JavaDependencies other) {
    Assert.notNull("other", other);

    Collection mergedDependencies = new ArrayList<>(other.dependencies.values());
    mergedDependencies.addAll(dependencies.values());

    return new JavaDependencies(mergedDependencies);
  }
}