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Provides container artifact related functionality

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/*
 * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 * The software in this package is published under the terms of the CPAL v1.0
 * license, a copy of which has been included with this distribution in the
 * LICENSE.txt file.
 */

package org.mule.runtime.container.internal;

import static java.util.Collections.singletonList;
import static org.mule.runtime.api.util.Preconditions.checkArgument;
import org.mule.runtime.module.artifact.api.classloader.LookupStrategy;

import java.util.List;

/**
 * Defines a {@link LookupStrategy} that will search on the container's classloader only, without searching
 * on the given classloader.
 */
public class ContainerOnlyLookupStrategy implements LookupStrategy {

  private final List classLoaders;

  /**
   * Creates a new instance
   *
   * @param containerClassLoader class loader containing the container classes. Not null.
   */
  public ContainerOnlyLookupStrategy(ClassLoader containerClassLoader) {
    checkArgument(containerClassLoader != null, "containerClassLoader cannot be null");

    classLoaders = singletonList(containerClassLoader);
  }

  @Override
  public List getClassLoaders(ClassLoader classLoader) {
    return classLoaders;
  }
}