/*
    * 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.apache.maven.resolver.examples.util;
  
  import java.io.PrintStream;
  
  import org.eclipse.aether.AbstractRepositoryListener;
  import org.eclipse.aether.RepositoryEvent;
  
  import static java.util.Objects.requireNonNull;
  
  /**
   * A simplistic repository listener that logs events to the console.
   */
  public class ConsoleRepositoryListener extends AbstractRepositoryListener {
  
      private final PrintStream out;
  
      public ConsoleRepositoryListener() {
          this(null);
      }
  
      public ConsoleRepositoryListener(PrintStream out) {
          this.out = (out != null) ? out : System.out;
      }
  
      public void artifactDeployed(RepositoryEvent event) {
          requireNonNull(event, "event cannot be null");
          out.println("Deployed " + event.getArtifact() + " to " + event.getRepository());
      }
  
      public void artifactDeploying(RepositoryEvent event) {
          requireNonNull(event, "event cannot be null");
          out.println("Deploying " + event.getArtifact() + " to " + event.getRepository());
      }
  
      public void artifactDescriptorInvalid(RepositoryEvent event) {
          requireNonNull(event, "event cannot be null");
          out.println("Invalid artifact descriptor for " + event.getArtifact() + ": "
                  + event.getException().getMessage());
      }
  
      public void artifactDescriptorMissing(RepositoryEvent event) {
          requireNonNull(event, "event cannot be null");
          out.println("Missing artifact descriptor for " + event.getArtifact());
      }
  
      public void artifactInstalled(RepositoryEvent event) {
          requireNonNull(event, "event cannot be null");
          out.println("Installed " + event.getArtifact() + " to " + event.getFile());
      }
  
      public void artifactInstalling(RepositoryEvent event) {
          requireNonNull(event, "event cannot be null");
          out.println("Installing " + event.getArtifact() + " to " + event.getFile());
      }
  
      public void artifactResolved(RepositoryEvent event) {
          requireNonNull(event, "event cannot be null");
          out.println("Resolved artifact " + event.getArtifact() + " from " + event.getRepository());
      }
  
      public void artifactDownloading(RepositoryEvent event) {
          requireNonNull(event, "event cannot be null");
          out.println("Downloading artifact " + event.getArtifact() + " from " + event.getRepository());
      }
  
      public void artifactDownloaded(RepositoryEvent event) {
          requireNonNull(event, "event cannot be null");
          out.println("Downloaded artifact " + event.getArtifact() + " from " + event.getRepository());
      }
  
      public void artifactResolving(RepositoryEvent event) {
          requireNonNull(event, "event cannot be null");
          out.println("Resolving artifact " + event.getArtifact());
      }
  
      public void metadataDeployed(RepositoryEvent event) {
          requireNonNull(event, "event cannot be null");
          out.println("Deployed " + event.getMetadata() + " to " + event.getRepository());
      }
  
      public void metadataDeploying(RepositoryEvent event) {
         requireNonNull(event, "event cannot be null");
         out.println("Deploying " + event.getMetadata() + " to " + event.getRepository());
     }
 
     public void metadataInstalled(RepositoryEvent event) {
         requireNonNull(event, "event cannot be null");
         out.println("Installed " + event.getMetadata() + " to " + event.getFile());
     }
 
     public void metadataInstalling(RepositoryEvent event) {
         requireNonNull(event, "event cannot be null");
         out.println("Installing " + event.getMetadata() + " to " + event.getFile());
     }
 
     public void metadataInvalid(RepositoryEvent event) {
         requireNonNull(event, "event cannot be null");
         out.println("Invalid metadata " + event.getMetadata());
     }
 
     public void metadataResolved(RepositoryEvent event) {
         requireNonNull(event, "event cannot be null");
         out.println("Resolved metadata " + event.getMetadata() + " from " + event.getRepository());
     }
 
     public void metadataResolving(RepositoryEvent event) {
         requireNonNull(event, "event cannot be null");
         out.println("Resolving metadata " + event.getMetadata() + " from " + event.getRepository());
     }
 }