public int execute()

in shell/src/main/java/org/apache/accumulo/shell/commands/ConfigCommand.java [77:368]


  public int execute(final String fullCommand, final CommandLine cl, final Shell shellState)
      throws AccumuloException, AccumuloSecurityException, TableNotFoundException, IOException,
      NamespaceNotFoundException {
    reader = shellState.getReader();

    boolean force = cl.hasOption(forceOpt);

    final String tableName = cl.getOptionValue(tableOpt.getOpt());
    if (tableName != null && !shellState.getAccumuloClient().tableOperations().exists(tableName)) {
      throw new TableNotFoundException(null, tableName, null);
    }
    final String namespace = cl.getOptionValue(namespaceOpt.getOpt());
    if (namespace != null
        && !shellState.getAccumuloClient().namespaceOperations().exists(namespace)) {
      throw new NamespaceNotFoundException(null, namespace, null);
    }
    if (cl.hasOption(deleteOpt.getOpt())) {
      // delete property from table
      String property = cl.getOptionValue(deleteOpt.getOpt());
      if (property.contains("=")) {
        throw new BadArgumentException("Invalid '=' operator in delete operation.", fullCommand,
            fullCommand.indexOf('='));
      }
      String invalidTablePropFormatString =
          "Invalid per-table property : {}, still removing from zookeeper if it's there.";
      if (tableName != null) {
        if (!Property.isValidTablePropertyKey(property)) {
          Shell.log.warn(invalidTablePropFormatString, property);
        }
        shellState.getAccumuloClient().tableOperations().removeProperty(tableName, property);
        Shell.log.debug("Successfully deleted table configuration option.");
      } else if (namespace != null) {
        if (!Property.isValidTablePropertyKey(property)) {
          Shell.log.warn(invalidTablePropFormatString, property);
        }
        shellState.getAccumuloClient().namespaceOperations().removeProperty(namespace, property);
        Shell.log.debug("Successfully deleted namespace configuration option.");
      } else {
        if (!Property.isValidZooPropertyKey(property)) {
          Shell.log.warn(invalidTablePropFormatString, property);
        }
        shellState.getAccumuloClient().instanceOperations().removeProperty(property);
        Shell.log.debug("Successfully deleted system configuration option.");
      }
    } else if (cl.hasOption(setOpt.getOpt())) {
      // set property on table
      String property = cl.getOptionValue(setOpt.getOpt());
      String value;
      if (!property.contains("=")) {
        throw new BadArgumentException("Missing '=' operator in set operation.", fullCommand,
            fullCommand.indexOf(property));
      }
      final String[] pair = property.split("=", 2);
      property = pair[0];
      value = pair[1];

      // check for deprecation
      var theProp = Property.getPropertyByKey(property);
      if (theProp != null && theProp.isDeprecated()) {
        if (!force
            && !shellState.confirm("Trying to set deprecated property `" + property + "` continue")
                .orElse(false)) {
          throw new BadArgumentException(
              "Tried to set deprecated property and force not specified.", fullCommand,
              fullCommand.indexOf(property));
        }
      }
      if (tableName != null) {
        if (!Property.isValidTablePropertyKey(property)) {
          throw new BadArgumentException("Invalid per-table property.", fullCommand,
              fullCommand.indexOf(property));
        }
        if (property.equals(Property.TABLE_DEFAULT_SCANTIME_VISIBILITY.getKey())) {
          new ColumnVisibility(value); // validate that it is a valid expression
        }
        shellState.getAccumuloClient().tableOperations().setProperty(tableName, property, value);
        Shell.log.debug("Successfully set table configuration option.");
      } else if (namespace != null) {
        if (!Property.isValidTablePropertyKey(property)) {
          throw new BadArgumentException("Invalid per-table property.", fullCommand,
              fullCommand.indexOf(property));
        }
        if (property.equals(Property.TABLE_DEFAULT_SCANTIME_VISIBILITY.getKey())) {
          new ColumnVisibility(value); // validate that it is a valid expression
        }
        shellState.getAccumuloClient().namespaceOperations().setProperty(namespace, property,
            value);
        Shell.log.debug("Successfully set table configuration option.");
      } else {
        if (!Property.isValidZooPropertyKey(property)) {
          throw new BadArgumentException("Property cannot be modified in zookeeper", fullCommand,
              fullCommand.indexOf(property));
        }
        shellState.getAccumuloClient().instanceOperations().setProperty(property, value);
        Shell.log.debug("Successfully set system configuration option.");
      }
    } else {
      boolean warned = false;
      // display properties
      final TreeMap<String,String> systemConfig = new TreeMap<>();
      try {
        systemConfig
            .putAll(shellState.getAccumuloClient().instanceOperations().getSystemConfiguration());
      } catch (AccumuloSecurityException e) {
        if (e.getSecurityErrorCode() == PERMISSION_DENIED) {
          Shell.log.warn(
              "User unable to retrieve system configuration (requires System.SYSTEM permission)");
          warned = true;
        } else {
          throw e;
        }
      }

      final String outputFile = cl.getOptionValue(outputFileOpt.getOpt());
      final PrintFile printFile = outputFile == null ? null : new PrintFile(outputFile);

      final TreeMap<String,String> siteConfig = new TreeMap<>();
      try {
        siteConfig
            .putAll(shellState.getAccumuloClient().instanceOperations().getSiteConfiguration());
      } catch (AccumuloSecurityException e) {
        if (e.getSecurityErrorCode() == PERMISSION_DENIED) {
          Shell.log.warn(
              "User unable to retrieve site configuration (requires System.SYSTEM permission)");
          warned = true;
        } else {
          throw e;
        }
      }

      final TreeMap<String,String> defaults = new TreeMap<>();
      for (Entry<String,String> defaultEntry : DefaultConfiguration.getInstance()) {
        defaults.put(defaultEntry.getKey(), defaultEntry.getValue());
      }

      final TreeMap<String,String> namespaceConfig = new TreeMap<>();
      if (tableName != null) {
        String n = TableNameUtil.qualify(tableName).getFirst();
        try {
          namespaceConfig
              .putAll(shellState.getAccumuloClient().namespaceOperations().getConfiguration(n));
        } catch (AccumuloSecurityException e) {
          if (e.getSecurityErrorCode() == PERMISSION_DENIED) {
            Shell.log.warn(
                "User unable to retrieve {} namespace configuration (requires Namespace.ALTER_NAMESPACE permission)",
                StringUtils.isEmpty(n) ? "default" : n);
            warned = true;
          } else {
            throw e;
          }
        }
      }

      Map<String,String> acuconf = systemConfig;
      if (acuconf.isEmpty()) {
        acuconf = defaults;
      }

      if (tableName != null) {
        if (warned) {
          Shell.log.warn(
              "User does not have permission to see entire configuration heirarchy. Property values shown below may be set above the table level.");
        }
        try {
          acuconf = shellState.getAccumuloClient().tableOperations().getConfiguration(tableName);
        } catch (AccumuloException e) {
          if (e.getCause() != null && e.getCause() instanceof AccumuloSecurityException) {
            AccumuloSecurityException ase = (AccumuloSecurityException) e.getCause();
            if (ase.getSecurityErrorCode() == PERMISSION_DENIED) {
              Shell.log.error(
                  "User unable to retrieve {} table configuration (requires Table.ALTER_TABLE permission)",
                  tableName);
            }
          }
          throw e;
        }
      } else if (namespace != null) {
        if (warned) {
          Shell.log.warn(
              "User does not have permission to see entire configuration heirarchy. Property values shown below may be set above the namespace level.");
        }
        try {
          acuconf =
              shellState.getAccumuloClient().namespaceOperations().getConfiguration(namespace);
        } catch (AccumuloSecurityException e) {
          Shell.log.error(
              "User unable to retrieve {} namespace configuration (requires Namespace.ALTER_NAMESPACE permission)",
              StringUtils.isEmpty(namespace) ? "default" : namespace);
          throw e;
        }
      }
      final Map<String,String> sortedConf = ImmutableSortedMap.copyOf(acuconf);

      for (Entry<String,String> propEntry : acuconf.entrySet()) {
        final String key = propEntry.getKey();
        final String value = propEntry.getValue();
        // only show properties which names or values
        // match the filter text

        if (matchTheFilterText(cl, key, value)) {
          continue;
        }
        if ((tableName != null || namespace != null) && !Property.isValidTablePropertyKey(key)) {
          continue;
        }
        COL2 = Math.max(COL2, propEntry.getKey().length() + 3);
      }

      final ArrayList<String> output = new ArrayList<>();
      printConfHeader(output);

      for (Entry<String,String> propEntry : sortedConf.entrySet()) {
        final String key = propEntry.getKey();
        final String value = propEntry.getValue();
        // only show properties which names or values
        // match the filter text

        if (matchTheFilterText(cl, key, value)) {
          continue;
        }
        if ((tableName != null || namespace != null) && !Property.isValidTablePropertyKey(key)) {
          continue;
        }
        String siteVal = siteConfig.get(key);
        String sysVal = systemConfig.get(key);
        String curVal = propEntry.getValue();
        String dfault = defaults.get(key);
        String nspVal = namespaceConfig.get(key);
        boolean printed = false;

        if (sysVal != null) {
          if (dfault != null && key.toLowerCase().contains("password")) {
            siteVal = sysVal = dfault = curVal = curVal.replaceAll(".", "*");
          }
          if (defaults.containsKey(key) && !Property.getPropertyByKey(key).isExperimental()) {
            printConfLine(output, "default", key, dfault);
            printed = true;
          }
          if (!defaults.containsKey(key) || !defaults.get(key).equals(siteVal)) {
            printConfLine(output, "site", printed ? "   @override" : key,
                siteVal == null ? "" : siteVal);
            printed = true;
          }
          if (!siteConfig.containsKey(key) || !Objects.equals(siteVal, sysVal)) {
            printConfLine(output, "system", printed ? "   @override" : key, sysVal);
            printed = true;
          }
        }
        if (nspVal != null) {
          // If the user can't see the system configuration, then print the default
          // configuration value if the current namespace value is different from it.
          if (sysVal == null && dfault != null && !dfault.equals(nspVal)
              && !Property.getPropertyByKey(key).isExperimental()) {
            printConfLine(output, "default", key, dfault);
            printed = true;
          }
          if (!systemConfig.containsKey(key) || !Objects.equals(sysVal, nspVal)) {
            printConfLine(output, "namespace", printed ? "   @override" : key, nspVal);
            printed = true;
          }
        }

        // show per-table value only if it is different (overridden)
        if (tableName != null && !curVal.equals(nspVal)) {
          // If the user can't see the system configuration, then print the default
          // configuration value if the current table value is different from it.
          if (nspVal == null && dfault != null && !dfault.equals(curVal)
              && !Property.getPropertyByKey(key).isExperimental()) {
            printConfLine(output, "default", key, dfault);
            printed = true;
          }
          printConfLine(output, "table", printed ? "   @override" : key, curVal);
        } else if (namespace != null && !curVal.equals(sysVal)) {
          // If the user can't see the system configuration, then print the default
          // configuration value if the current namespace value is different from it.
          if (sysVal == null && dfault != null && !dfault.equals(curVal)
              && !Property.getPropertyByKey(key).isExperimental()) {
            printConfLine(output, "default", key, dfault);
            printed = true;
          }
          printConfLine(output, "namespace", printed ? "   @override" : key, curVal);
        }
      }
      printConfFooter(output);
      shellState.printLines(output.iterator(), !cl.hasOption(disablePaginationOpt.getOpt()),
          printFile);
      if (printFile != null) {
        printFile.close();
      }
    }
    return 0;
  }