/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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.eclipse.aether.internal.impl.synccontext.legacy;
  
  import javax.inject.Inject;
  import javax.inject.Named;
  import javax.inject.Singleton;
  
  import java.util.Objects;
  
  import org.eclipse.aether.RepositorySystemSession;
  import org.eclipse.aether.SyncContext;
  import org.eclipse.aether.spi.locator.Service;
  import org.eclipse.aether.spi.locator.ServiceLocator;
  import org.eclipse.aether.spi.synccontext.SyncContextFactory;
  
  import static java.util.Objects.requireNonNull;
  
  /**
   * Deprecated {@link org.eclipse.aether.impl.SyncContextFactory} implementation that delegates to proper
   * {@link SyncContextFactory} implementation. Used in Guice/SISU where we cannot bind same instance to two keys,
   * this component "bridges" from deprecated to current.
   *
   * @deprecated Use the proper class from SPI module.
   */
  @Singleton
  @Named
  @Deprecated
  public final class DefaultSyncContextFactory implements org.eclipse.aether.impl.SyncContextFactory, Service {
      private SyncContextFactory delegate;
  
      public DefaultSyncContextFactory() {
          // default ctor for ServiceLocator
      }
  
      @Inject
      public DefaultSyncContextFactory(final SyncContextFactory delegate) {
          this.delegate = Objects.requireNonNull(delegate);
      }
  
      @Override
      public void initService(final ServiceLocator locator) {
          this.delegate = Objects.requireNonNull(locator.getService(SyncContextFactory.class));
      }
  
      @Override
      public SyncContext newInstance(final RepositorySystemSession session, final boolean shared) {
          requireNonNull(session, "session cannot be null");
          return delegate.newInstance(session, shared);
      }
  }