jio.console.JsPairsCommand Maven / Gradle / Ivy

Go to download
package jio.console;

import jio.IO;
import jsonvalues.JsObj;

import java.util.function.Function;
import java.util.stream.Collectors;

class JsPairsCommand extends Command {

  private static final String COMMAND_NAME = "json-pairs";

  public JsPairsCommand() {
    super(COMMAND_NAME,
          """
              Returns the list of the path/value pairs of the json placed at the output variable.
              It's possible to filter out the list of pairs passing in a substring
              Examples:
                  $command
                  $command email""".replace("$command",
                                            COMMAND_NAME)
         );
  }

  @Override
  public Function> apply(final JsObj conf,
                                              final State state
                                             ) {

    return tokens -> {
      int nArgs = tokens.length - 1;

      return nArgs > 0 ?
             IO.lazy(
                 () -> Functions.toJson.apply(state.variables.get("output"))
                                       .stream()
                                       .filter(it -> it.path()
                                                       .toString()
                                                       .contains(Functions.joinTail(tokens)))
                                       .map(it -> String.format("%s -> %s",
                                                                it.path(),
                                                                it.value()
                                                               ))
                                       .collect(Collectors.joining("\n"))
                    ) :
             IO.lazy(
                 () -> Functions.toJson.apply(state.variables.get("output"))
                                       .stream()
                                       .map(it -> String.format("%s -> %s",
                                                                it.path(),
                                                                it.value()
                                                               )
                                           )
                                       .collect(Collectors.joining("\n"))
                    );
    };
  }
}