gradle-master/subprojects/core-api/src/main/java/org/gradle/api/artifacts/dsl/DependencyFactory.java
/*
 * Copyright 2022 the original author or authors.
 *
 * 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 org.gradle.api.artifacts.dsl;

import org.gradle.api.Incubating;
import org.gradle.api.NonExtensible;
import org.gradle.api.Project;
import org.gradle.api.artifacts.Dependency;
import org.gradle.api.artifacts.ExternalModuleDependency;
import org.gradle.api.artifacts.FileCollectionDependency;
import org.gradle.api.artifacts.ProjectDependency;
import org.gradle.api.file.FileCollection;
import org.gradle.internal.HasInternalProtocol;

import javax.annotation.Nullable;

/**
 * Factory class for creating {@link Dependency} instances, with strong typing.
 *
 * <p>
 * An instance of the factory can be injected into a task, plugin or other object by annotating a public constructor or property getter method with {@code javax.inject.Inject}.
 * It is also available via {@link Project#getDependencyFactory()}.
 * </p>
 *
 * <p>
 * <b>Note:</b> This interface is not intended for implementation by build script or plugin authors.
 * </p>
 *
 * @since 7.6
 */
@HasInternalProtocol
@NonExtensible
@Incubating
public interface DependencyFactory {
    /**
     * Create an {@link ExternalModuleDependency} from the <code>"<i>group</i>:<i>name</i>:<i>version</i>:<i>classifier</i>@<i>extension</i>"</code> notation.
     *
     * <p>
     * Classifier and extension may each separately be omitted. Version may be omitted if there is no classifier.
     * </p>
     *
     * @param dependencyNotation the dependency notation
     * @return the new dependency
     */
    ExternalModuleDependency create(CharSequence dependencyNotation);

    /**
     * Create an {@link ExternalModuleDependency} from a series of strings.
     *
     * @param group the group (optional)
     * @param name the name
     * @param version the version (optional)
     * @return the new dependency
     */
    ExternalModuleDependency create(@Nullable String group, String name, @Nullable String version);

    /**
     * Create an {@link ExternalModuleDependency} from a series of strings.
     *
     * @param group the group (optional)
     * @param name the name
     * @param version the version (optional)
     * @param classifier the classifier (optional)
     * @param extension the extension (optional)
     * @return the new dependency
     */
    ExternalModuleDependency create(@Nullable String group, String name, @Nullable String version, @Nullable String classifier, @Nullable String extension);

    /**
     * Create a {@link FileCollectionDependency} from a {@link FileCollection}.
     *
     * @param fileCollection the file collection
     * @return the new dependency
     */
    FileCollectionDependency create(FileCollection fileCollection);

    /**
     * Create a {@link ProjectDependency} from a {@link Project}.
     *
     * @param project the project
     * @return the new dependency
     */
    ProjectDependency create(Project project);

    /**
     * Creates a dependency on the API of the current version of Gradle.
     *
     * @return The dependency.
     * @since 7.6
     */
    Dependency gradleApi();

    /**
     * Creates a dependency on the <a href="https://docs.gradle.org/current/userguide/test_kit.html" target="_top">Gradle test-kit</a> API.
     *
     * @return The dependency.
     * @since 7.6
     */
    Dependency gradleTestKit();

    /**
     * Creates a dependency on the version of Groovy that is distributed with the current version of Gradle.
     *
     * @return The dependency.
     * @since 7.6
     */
    Dependency localGroovy();
}
