/*
    * SPDX-FileCopyrightText: none
    * SPDX-License-Identifier: CC0-1.0
    */
   
   package gov.nist.secauto.metaschema.cli.processor.command;
   
   import gov.nist.secauto.metaschema.cli.processor.CLIProcessor.CallingContext;
   import gov.nist.secauto.metaschema.core.util.ObjectUtils;
  
  import org.apache.commons.cli.CommandLine;
  
  import edu.umd.cs.findbugs.annotations.NonNull;
  
  /**
   * A base class for implementation that perform the operation supported by a
   * command.
   */
  public abstract class AbstractCommandExecutor implements ICommandExecutor {
    @NonNull
    private final CallingContext callingContext;
    @NonNull
    private final CommandLine commandLine;
  
    /**
     * Construct a new command executor.
     *
     * @param callingContext
     *          the context of the command execution
     * @param commandLine
     *          the parsed command line details
     */
    protected AbstractCommandExecutor(
        @NonNull CallingContext callingContext,
        @NonNull CommandLine commandLine) {
      this.callingContext = callingContext;
      this.commandLine = commandLine;
    }
  
    /**
     * Get the context of the command execution, which provides access to the
     * execution environment needed for command processing.
     *
     * @return the context
     */
    @NonNull
    protected CallingContext getCallingContext() {
      return callingContext;
    }
  
    /**
     * Get the parsed command line details containing the command options and
     * arguments provided by the user during execution.
     *
     * @return the cli details
     */
    @NonNull
    protected CommandLine getCommandLine() {
      return commandLine;
    }
  
    @Override
    public abstract void execute() throws CommandExecutionException;
  
    /**
     * Get the command associated with this execution.
     *
     * @return the command
     */
    @NonNull
    protected ICommand getCommand() {
      return ObjectUtils.requireNonNull(getCallingContext().getTargetCommand());
    }
  }