/*
    * 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.artifact.resolver.filter;
  
  import java.util.Arrays;
  import java.util.LinkedHashSet;
  import java.util.Set;
  
  import org.apache.maven.artifact.Artifact;
  
  /**
   */
  public class ExclusionSetFilter implements ArtifactFilter {
      private Set<String> excludes;
  
      public ExclusionSetFilter(String[] excludes) {
          this.excludes = new LinkedHashSet<>(Arrays.asList(excludes));
      }
  
      public ExclusionSetFilter(Set<String> excludes) {
          this.excludes = excludes;
      }
  
      public boolean include(Artifact artifact) {
          String id = artifact.getArtifactId();
  
          if (excludes.contains(id)) {
              return false;
          }
  
          id = artifact.getGroupId() + ':' + id;
  
          return !excludes.contains(id);
      }
  
      @Override
      public int hashCode() {
          int hash = 17;
          hash = hash * 31 + excludes.hashCode();
          return hash;
      }
  
      @Override
      public boolean equals(Object obj) {
          if (this == obj) {
              return true;
          }
  
          if (!(obj instanceof ExclusionSetFilter)) {
              return false;
          }
  
          ExclusionSetFilter other = (ExclusionSetFilter) obj;
  
          return excludes.equals(other.excludes);
      }
  }