/*
    * 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.filter;
  
  import org.eclipse.aether.RepositorySystemSession;
  import org.eclipse.aether.artifact.Artifact;
  import org.eclipse.aether.metadata.Metadata;
  import org.eclipse.aether.repository.RemoteRepository;
  import org.eclipse.aether.spi.connector.filter.RemoteRepositoryFilter;
  import org.eclipse.aether.spi.connector.filter.RemoteRepositoryFilterSource;
  
  /**
   * Some filters used in UTs.
   */
  public final class Filters {
      /**
       * Returns a filter that always accepts.
       */
      public static RemoteRepositoryFilterSource alwaysAccept() {
          return new RemoteRepositoryFilterSource() {
              public String getName() {
                  return "always-accept";
              }
  
              private final RemoteRepositoryFilter.Result RESULT =
                      new RemoteRepositoryFilterSourceSupport.SimpleResult(true, getName());
  
              @Override
              public RemoteRepositoryFilter getRemoteRepositoryFilter(RepositorySystemSession session) {
                  return new RemoteRepositoryFilter() {
                      @Override
                      public Result acceptArtifact(RemoteRepository remoteRepository, Artifact artifact) {
                          return RESULT;
                      }
  
                      @Override
                      public Result acceptMetadata(RemoteRepository remoteRepository, Metadata metadata) {
                          return RESULT;
                      }
                  };
              }
          };
      }
  
      /**
       * Returns a filter that always accepts from given repo.
       */
      public static RemoteRepositoryFilterSource alwaysAcceptFrom(String repoId) {
          return new RemoteRepositoryFilterSource() {
              public String getName() {
                  return "always-accept-" + repoId;
              }
  
              private final RemoteRepositoryFilter.Result MATCHED =
                      new RemoteRepositoryFilterSourceSupport.SimpleResult(true, getName());
  
              private final RemoteRepositoryFilter.Result UNMATCHED =
                      new RemoteRepositoryFilterSourceSupport.SimpleResult(false, getName());
  
              @Override
              public RemoteRepositoryFilter getRemoteRepositoryFilter(RepositorySystemSession session) {
                  return new RemoteRepositoryFilter() {
                      @Override
                      public Result acceptArtifact(RemoteRepository remoteRepository, Artifact artifact) {
                          return repoId.equals(remoteRepository.getId()) ? MATCHED : UNMATCHED;
                      }
  
                      @Override
                      public Result acceptMetadata(RemoteRepository remoteRepository, Metadata metadata) {
                          return repoId.equals(remoteRepository.getId()) ? MATCHED : UNMATCHED;
                      }
                  };
              }
          };
      }
  
      /**
       * Returns a filter that never accepts.
       */
      public static RemoteRepositoryFilterSource neverAccept() {
          return new RemoteRepositoryFilterSource() {
              public String getName() {
                  return "never-accept";
             }
 
             private final RemoteRepositoryFilter.Result RESULT =
                     new RemoteRepositoryFilterSourceSupport.SimpleResult(false, getName());
 
             @Override
             public RemoteRepositoryFilter getRemoteRepositoryFilter(RepositorySystemSession session) {
                 return new RemoteRepositoryFilter() {
                     @Override
                     public Result acceptArtifact(RemoteRepository remoteRepository, Artifact artifact) {
                         return RESULT;
                     }
 
                     @Override
                     public Result acceptMetadata(RemoteRepository remoteRepository, Metadata metadata) {
                         return RESULT;
                     }
                 };
             }
         };
     }
 
     /**
      * Returns a filter that never accepts from given repo.
      */
     public static RemoteRepositoryFilterSource neverAcceptFrom(String repoId) {
         return new RemoteRepositoryFilterSource() {
             public String getName() {
                 return "never-accept-" + repoId;
             }
 
             private final RemoteRepositoryFilter.Result MATCHED =
                     new RemoteRepositoryFilterSourceSupport.SimpleResult(false, getName());
 
             private final RemoteRepositoryFilter.Result UNMATCHED =
                     new RemoteRepositoryFilterSourceSupport.SimpleResult(true, getName());
 
             @Override
             public RemoteRepositoryFilter getRemoteRepositoryFilter(RepositorySystemSession session) {
                 return new RemoteRepositoryFilter() {
                     @Override
                     public Result acceptArtifact(RemoteRepository remoteRepository, Artifact artifact) {
                         return repoId.equals(remoteRepository.getId()) ? MATCHED : UNMATCHED;
                     }
 
                     @Override
                     public Result acceptMetadata(RemoteRepository remoteRepository, Metadata metadata) {
                         return repoId.equals(remoteRepository.getId()) ? MATCHED : UNMATCHED;
                     }
                 };
             }
         };
     }
 }