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.patcheval;
  
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.Collections;
  import java.util.List;
  
  import org.apache.logging.log4j.Logger;
  import org.eclipse.steady.backend.BackendConnectionException;
  import org.eclipse.steady.backend.BackendConnector;
  import org.eclipse.steady.patcheval.utils.PEConfiguration;
  import org.eclipse.steady.shared.enums.ProgrammingLanguage;
  import org.eclipse.steady.shared.json.JacksonUtil;
  import org.eclipse.steady.shared.json.model.Bug;
  import org.eclipse.steady.shared.json.model.VulnerableDependency;
  import org.eclipse.steady.shared.util.VulasConfiguration;
  
  /**
   * <p>PE_Run class.</p>
   */
  public class PE_Run implements Runnable {
  
    private static final Logger log = org.apache.logging.log4j.LogManager.getLogger();
  
    /**
     * <p>run.</p>
     */
    public void run() {
  
      String[] bugs =
          VulasConfiguration.getGlobal().getConfiguration().getStringArray(PEConfiguration.BUGID);
      ProgrammingLanguage lang = null;
      try {
        if (VulasConfiguration.getGlobal().getConfiguration().getString(PEConfiguration.LANG) != null)
          lang =
              ProgrammingLanguage.valueOf(
                  VulasConfiguration.getGlobal().getConfiguration().getString(PEConfiguration.LANG));
      } catch (IllegalArgumentException e) {
        log.error(
            "The specified language value "
                + VulasConfiguration.getGlobal().getConfiguration().getString(PEConfiguration.LANG)
                + " is not allowed. Allowed values: PY, JAVA.");
        return;
      }
  
      List<Bug> bugsToAnalyze = new ArrayList<Bug>();
  
      if (bugs == null || bugs.length == 0 || (bugs.length == 1 && bugs[0].equals(""))) {
        try {
          bugsToAnalyze =
              Arrays.asList(
                  (Bug[])
                      JacksonUtil.asObject(
                          BackendConnector.getInstance().getBugsList(lang), Bug[].class));
        } catch (BackendConnectionException e) {
          if (e.getHttpResponseStatus() == 503)
            log.error(
                "Vulas backend still unavailable (503) after 1h, could not get list of bugs to"
                    + " analyze");
        }
      } else {
        for (String bugId : bugs) {
          try {
            if (bugId.equals("U")) {
              List<String> contained = new ArrayList<String>();
              VulnerableDependency[] unconfirmedBugs =
                  BackendConnector.getInstance().getVulnDeps(Boolean.valueOf(true));
              for (VulnerableDependency vd : unconfirmedBugs) {
                if (vd.getDep().getLib().getLibraryId() != null) {
                  if (!contained.contains(vd.getBug().getBugId())) {
                    bugsToAnalyze.add(new Bug(vd.getBug().getBugId()));
                    contained.add(vd.getBug().getBugId());
                  }
                }
              }
              // bugsToAnalyze =
              // Arrays.asList((Bug[])bugSet.toArray());
  
            } else if (!bugId.equals("")) {
              bugsToAnalyze.add(new Bug(bugId));
            }
          } catch (BackendConnectionException e) {
            if (e.getHttpResponseStatus() == 503)
              log.error(
                  "Vulas backend still unavailable (503) after 1h, could not get bug  ["
                      + bugId
                      + "] to analyze");
            PE_Run.log.error(
                "Error when adding [" + bugId + "] to list of bug to analyze: " + e.getMessage());
          }
        }
      }
  
      try {
        Collections.shuffle(bugsToAnalyze);
        BugLibManager.analyze(bugsToAnalyze);
      } catch (InterruptedException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
      }
    }
  }
  