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/*
 * Copyright (c) 2021, salesforce.com, inc.
 * All rights reserved.
 * SPDX-License-Identifier: BSD-3-Clause
 * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
 */
package com.salesforce.functions.jvm.runtime.project;

import com.salesforce.functions.jvm.runtime.project.util.ProjectClassLoaderBuilder;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

public abstract class Project {
  public abstract String getTypeName();

  public abstract List getClasspathPaths();

  /**
   * Creates a class loader for this project. It also allows the caller to inject JAR files that do
   * not originate from project. Injected JAR files are guaranteed to come first in the class loader
   * created by this method. The main use-case for this is injecting slf4j logger bindings into the
   * project, ensuring they are picked up before any other bindings within the project.
   *
   * @param injectJarsPaths Paths to JAR files that are injected into the project class loader.
   * @return A class loader for the project and injected JAR files.
   */
  public final ClassLoader createClassLoader(Path... injectJarsPaths) {
    // Order of injectJarPaths and getClasspathPaths() is important. See Javadoc for details!
    List paths = new ArrayList<>(Arrays.asList(injectJarsPaths));
    paths.addAll(getClasspathPaths());

    return ProjectClassLoaderBuilder.build(paths);
  }
}