code: /**
   * This file is part of Eclipse Steady.
   *
   * Licensed 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.
   *
   * SPDX-License-Identifier: Apache-2.0
   * SPDX-FileCopyrightText: Copyright (c) 2018-2020 SAP SE or an SAP affiliate company and Eclipse Steady contributors
   */
  package org.eclipse.steady.backend.util;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import javax.validation.constraints.NotNull;
  
  import org.eclipse.steady.backend.model.LibraryId;
  import org.eclipse.steady.shared.json.JacksonUtil;
  import org.eclipse.steady.shared.util.VulasConfiguration;
  
  import com.fasterxml.jackson.annotation.JsonIgnore;
  import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
  import com.fasterxml.jackson.annotation.JsonInclude;
  
  /**
   * <p>ArtifactMaps class.</p>
   */
  @JsonInclude(JsonInclude.Include.ALWAYS)
  @JsonIgnoreProperties
  public class ArtifactMaps {
  
    /** Constant <code>ARTIFACT_MAPS="vulas.backend.artifactMaps"</code> */
    public static final String ARTIFACT_MAPS = "vulas.backend.artifactMaps";
  
    private List<ArtifactMap> maps = null;
  
    /**
     * <p>Getter for the field <code>maps</code>.</p>
     *
     * @return a {@link java.util.List} object.
     */
    public List<ArtifactMap> getMaps() {
      return maps;
    }
  
    /**
     * <p>Setter for the field <code>maps</code>.</p>
     *
     * @param maps a {@link java.util.List} object.
     */
    public void setMaps(List<ArtifactMap> maps) {
      this.maps = maps;
    }
  
    /**
     * <p>getGreaterArtifacts.</p>
     *
     * @param _group a {@link java.lang.String} object.
     * @param _artifact a {@link java.lang.String} object.
     * @return a {@link java.util.List} object.
     */
    @JsonIgnore
    public List<LibraryId> getGreaterArtifacts(@NotNull String _group, @NotNull String _artifact) {
      if (_group == null || _group.equals("") || _artifact == null || _artifact.equals(""))
        throw new IllegalArgumentException("Both group and artifact aragument must be specified");
      final LibraryId l = new LibraryId();
      l.setMvnGroup(_group);
      l.setArtifact(_artifact);
      return this.getGreaterArtifacts(l);
    }
  
    /**
     * <p>getGreaterArtifacts.</p>
     *
     * @param _a a {@link org.eclipse.steady.backend.model.LibraryId} object.
     * @return a {@link java.util.List} object.
     */
    @JsonIgnore
    public List<LibraryId> getGreaterArtifacts(LibraryId _a) {
      final List<LibraryId> later = new ArrayList<LibraryId>();
      if (this.maps != null) {
        for (ArtifactMap map : this.maps) {
          if (map.containsArtifact(_a)) {
            later.addAll(map.getGreaterArtifacts(_a));
            return later;
          }
        }
      }
      return later;
    }
  
    /**
     * Reads the configuration setting vulas.backend.artifactMaps.
     *
     * @return a {@link org.eclipse.steady.backend.util.ArtifactMaps} object.
     */
    public static ArtifactMaps buildMaps() {
      String m = VulasConfiguration.getGlobal().getConfiguration().getString(ARTIFACT_MAPS, null);
      if (m != null) m = m.replace(';', ',');
      return ArtifactMaps.buildMaps(m);
    }
  
    /**
     * Reads the configuration setting vulas.backend.artifactMaps.
     * @return
     */
    private static ArtifactMaps buildMaps(String _json) {
      ArtifactMaps maps = new ArtifactMaps();
      if (_json != null) {
        maps = (ArtifactMaps) JacksonUtil.asObject(_json, ArtifactMaps.class);
      }
      return maps;
    }
  
    @JsonInclude(JsonInclude.Include.ALWAYS)
    @JsonIgnoreProperties
    private static class ArtifactMap {
  
      private List<LibraryId> map = null;
  
      public List<LibraryId> getMap() {
        return map;
      }
  
      public void setMap(List<LibraryId> map) {
        this.map = map;
      }
  
      @JsonIgnore
      public boolean containsArtifact(LibraryId _a) {
        if (this.map != null) {
          for (LibraryId l : this.map) {
            if (l.equalsButVersion(_a)) {
              return true;
            }
          }
        }
        return false;
      }
  
      @JsonIgnore
      public List<LibraryId> getGreaterArtifacts(LibraryId _a) {
        final List<LibraryId> list = new ArrayList<LibraryId>();
        int gt = -1;
        if (this.map != null) {
          for (int i = 0; i < this.map.size(); i++) {
            if (this.map.get(i).equalsButVersion(_a)) gt = i;
            if (gt != -1 && i > gt) list.add(this.map.get(i));
          }
        }
        return list;
      }
    }
  }
  