io.helidon.config.Config.asNodeList()方法的使用及代码示例

x33g5p2x  于2022-01-18 转载在 其他  
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本文整理了Java中io.helidon.config.Config.asNodeList()方法的一些代码示例，展示了Config.asNodeList()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Config.asNodeList()方法的具体详情如下：
包路径：io.helidon.config.Config
类名称：Config
方法名：asNodeList

Config.asNodeList介绍

[英]Returns a list of child Config nodes if the node is Type#OBJECT. Returns a list of element nodes if the node is Type#LIST. Throws MissingValueException if the node is Type#MISSING. Otherwise, if node is Type#VALUE, it throws ConfigMappingException.
[中]如果节点类型为#OBJECT，则返回子配置节点的列表。如果节点类型为#list，则返回元素节点列表。如果节点类型#缺失，则引发MissingValueException。否则，如果节点的类型为#VALUE，则会抛出ConfigMappingException。

代码示例

代码示例来源：origin: oracle/helidon

  1. private void findProviderSpecificConfig(Config pConf, AtomicReference<Config> providerSpecific) {
  2.   // no service for this class, must choose the configuration by selection
  3.   pConf.asNodeList().get().stream().filter(this::notReservedProviderKey).forEach(providerSpecificConf -> {
  4.     if (!providerSpecific.compareAndSet(null, providerSpecificConf)) {
  5.       throw new SecurityException("More than one provider configurations found, each provider can only"
  6.                         + " have one provide specific config. Conflict: "
  7.                         + providerSpecific.get().key()
  8.                         + " and " + providerSpecificConf.key());
  9.     }
  10.   });
  11. }

代码示例来源：origin: oracle/helidon

  1. private Stream<Config> traverseSubNodes(Config config, Predicate<Config> predicate) {
  2.   if (config.type().isLeaf()) {
  3.     return Stream.of(config);
  4.   } else {
  5.     return config.asNodeList()
  6.         .map(list -> list.stream()
  7.             .filter(predicate)
  8.             .map(node -> traverseSubNodes(node, predicate))
  9.             .reduce(Stream.of(config), Stream::concat))
  10.         .orElseThrow(MissingValueException.createSupplier(key()));
  11.   }
  12. }

代码示例来源：origin: oracle/helidon

  1. private SecurityHandler(Builder builder) {
  2.   // must copy values to be safely immutable
  3.   this.rolesAllowed = builder.rolesAllowed.flatMap(strings -> {
  4.     Set<String> newRoles = new HashSet<>(strings);
  5.     return Optional.of(newRoles);
  6.   });
  7.   // must copy values to be safely immutable
  8.   this.customObjects = builder.customObjects.flatMap(store -> {
  9.     ClassToInstanceStore<Object> ctis = new ClassToInstanceStore<>();
  10.     ctis.putAll(store);
  11.     return Optional.of(ctis);
  12.   });
  13.   config = builder.config;
  14.   explicitAuthenticator = builder.explicitAuthenticator;
  15.   explicitAuthorizer = builder.explicitAuthorizer;
  16.   authenticate = builder.authenticate;
  17.   authenticationOptional = builder.authenticationOptional;
  18.   audited = builder.audited;
  19.   auditEventType = builder.auditEventType;
  20.   auditMessageFormat = builder.auditMessageFormat;
  21.   authorize = builder.authorize;
  22.   combined = builder.combined;
  23.   queryParamHandlers.addAll(builder.queryParamHandlers);
  24.   config.ifPresent(conf -> conf.asNodeList().get().forEach(node -> configMap.put(node.name(), node)));
  25. }

代码示例来源：origin: oracle/helidon

  1. private static Config findMyKey(Config rootConfig, String providerName) {
  2.   if (rootConfig.key().name().equals(providerName)) {
  3.     return rootConfig;
  4.   }
  5.   return rootConfig.get("security.providers")
  6.       .asNodeList()
  7.       .get()
  8.       .stream()
  9.       .filter(it -> it.get(providerName).exists())
  10.       .findFirst()
  11.       .map(it -> it.get(providerName))
  12.       .orElseThrow(() -> new SecurityException("No configuration found for provider named: " + providerName));
  13. }

代码示例来源：origin: oracle/helidon

  1. static <T> ConfigValue<List<T>> createList(Config config,
  2.                       Function<Config, ConfigValue<T>> getValue,
  3.                       Function<Config, ConfigValue<List<T>>> getListValue) {
  4.   Supplier<Optional<List<T>>> valueSupplier = () -> {
  5.     try {
  6.       return config.asNodeList()
  7.           .map(list -> list.stream()
  8.               .map(theConfig -> getValue.apply(theConfig).get())
  9.               .collect(Collectors.toList())
  10.           );
  11.     } catch (MissingValueException | ConfigMappingException ex) {
  12.       throw new ConfigMappingException(config.key(),
  13.                        "Error to map complex node item to list. " + ex.getLocalizedMessage(),
  14.                        ex);
  15.     }
  16.   };
  17.   return new GenericConfigValueImpl<>(config, valueSupplier, getListValue);
  18. }

代码示例来源：origin: oracle/helidon

  1. private void findProviderService(Map<String, SecurityProviderService> configKeyToService,
  2.                  String knownKeys,
  3.                  Config pConf,
  4.                  AtomicReference<SecurityProviderService> service,
  5.                  AtomicReference<Config> providerSpecific) {
  6.   // everything else is based on provider specific configuration
  7.   pConf.asNodeList().get().stream().filter(this::notReservedProviderKey).forEach(providerSpecificConf -> {
  8.     if (!providerSpecific.compareAndSet(null, providerSpecificConf)) {
  9.       throw new SecurityException("More than one provider configurations found, each provider can only"
  10.                         + " have one provider specific config. Conflict: "
  11.                         + providerSpecific.get().key()
  12.                         + " and " + providerSpecificConf.key());
  13.     }
  14.     String keyName = providerSpecificConf.name();
  15.     if (configKeyToService.containsKey(keyName)) {
  16.       service.set(configKeyToService.get(keyName));
  17.     } else {
  18.       throw new SecurityException("Configuration key " + providerSpecificConf.key()
  19.                         + " is not a valid provider configuration. Supported keys: "
  20.                         + knownKeys);
  21.     }
  22.   });
  23. }

代码示例来源：origin: oracle/helidon

  1. .asNodeList()
  2. .orElse(CollectionsHelper.listOf())
  3. .stream()

代码示例来源：origin: oracle/helidon

  1. @Override
  2. public void init(Config config) {
  3.   config.get(PROVIDER_NAME + ".auth-method-mapping")
  4.       .asNodeList()
  5.       .ifPresent(nl -> {
  6.         nl.forEach(conf -> {
  7.           conf.get("key").asString().ifPresent(key -> {
  8.             if (LOGIN_CONFIG_METHOD.equals(key)) {
  9.               authenticator = conf.get("provider")
  10.                   .asString()
  11.                   .orElse(authenticator);
  12.             }
  13.           });
  14.         });
  15.       });
  16. }

代码示例来源：origin: oracle/helidon

  1. /**
  2.  * Create an instance from config. Expects key "users" to be the current key.
  3.  * Example:
  4.  * <pre>
  5.  * users: [
  6.  * {
  7.  *   login = "jack"
  8.  *   password = "${CLEAR=password}"
  9.  *   roles = ["user", "admin"]
  10.  * },
  11.  * {
  12.  *   login = "jill"
  13.  *   # master password is "jungle", password is "password"
  14.  *   password = "${AES=3XQ8A1RszE9JbXl+lUnnsX0gakuqjnTyp8YJWIAU1D3SiM2TaSnxd6U0/LjrdJYv}"
  15.  *   roles = ["user"]
  16.  * }
  17.  * ]
  18.  * </pre>
  19.  *
  20.  * @param config to load this user store from
  21.  * @return {@link UserStore} instance
  22.  */
  23. public static ConfigUserStore create(Config config) {
  24.   ConfigUserStore store = new ConfigUserStore();
  25.   config.asNodeList().ifPresent(configs -> configs.forEach(config1 -> {
  26.     User user = config1.as(ConfigUser::create).get();
  27.     store.users.put(user.login(), user);
  28.   }));
  29.   return store;
  30. }

代码示例来源：origin: oracle/helidon

  1. private void registerRouting(Routing.Rules routing) {
  2.     Config wsConfig = config.get("web-server");
  3.     SecurityHandler defaults = SecurityHandler.create(wsConfig.get("defaults"), defaultHandler);
  5.     wsConfig.get("paths").asNodeList().ifPresent(configs -> {
  6.       for (Config pathConfig : configs) {
  7.         List<Http.RequestMethod> methods = pathConfig.get("methods").asNodeList().orElse(listOf())
  8.             .stream()
  9.             .map(Config::asString)
  10.             .map(ConfigValue::get)
  11.             .map(Http.RequestMethod::create)
  12.             .collect(Collectors.toList());
  14.         String path = pathConfig.get("path")
  15.             .asString()
  16.             .orElseThrow(() -> new SecurityException(pathConfig
  17.                                      .key() + " must contain path key with a path to "
  18.                                      + "register to web server"));
  19.         if (methods.isEmpty()) {
  20.           routing.any(path, SecurityHandler.create(pathConfig, defaults));
  21.         } else {
  22.           routing.anyOf(methods, path, SecurityHandler.create(pathConfig, defaults));
  23.         }
  24.       }
  25.     });
  26.   }
  27. }

代码示例来源：origin: oracle/helidon

  1. /**
  2.  * Load header configuration from config.
  3.  *
  4.  * @param config config instance, expecting object array as children
  5.  * @return signed headers configuration loaded from config
  6.  */
  7. public static SignedHeadersConfig create(Config config) {
  8.   Builder builder = builder();
  9.   config.asNodeList().get().forEach(methodConfig -> {
  10.     HeadersConfig mc = HeadersConfig.create(methodConfig);
  11.     methodConfig.get("method")
  12.         .asString()
  13.         .ifPresentOrElse(method -> builder.config(method, mc),
  14.                  () -> builder.defaultConfig(mc));
  15.   });
  16.   return builder.build();
  17. }

代码示例来源：origin: oracle/helidon

  1. /**
  2.  * Update fields from configuration.
  3.  *
  4.  * @param config Configuration
  5.  * @return updated builder instance
  6.  */
  7. public Builder config(Config config) {
  8.   config.get("name").asString().ifPresent(this::name);
  9.   config.get("default").asBoolean().ifPresent(this::isDefault);
  10.   config.get("authentication").asList(FlaggedProvider::create)
  11.       .ifPresent(this.authenticators::addAll);
  12.   config.get("authorization").asList(FlaggedProvider::create)
  13.       .ifPresent(this.authorizers::addAll);
  14.   config.get("outbound").asNodeList()
  15.       .ifPresent(configs -> configs.forEach(outConfig -> addOutboundProvider(outConfig.get("name")
  16.                                               .asString()
  17.                                               .get())));
  18.   return this;
  19. }

代码示例来源：origin: oracle/helidon

  1. @Override
  2. public ZipkinTracerBuilder config(Config config) {
  3.   config.get("service").asString().ifPresent(this::serviceName);
  4.   config.get("protocol").asString().ifPresent(this::collectorProtocol);
  5.   config.get("host").asString().ifPresent(this::collectorHost);
  6.   config.get("port").asInt().ifPresent(this::collectorPort);
  7.   config.get("path").asString().ifPresent(this::collectorPath);
  8.   config.get("api-version").asString().ifPresent(this::configApiVersion);
  9.   config.get("enabled").asBoolean().ifPresent(this::enabled);
  10.   config.get("tags").detach()
  11.       .asMap()
  12.       .orElseGet(CollectionsHelper::mapOf)
  13.       .forEach(this::addTracerTag);
  14.   config.get("boolean-tags")
  15.       .asNodeList()
  16.       .ifPresent(nodes -> {
  17.         nodes.forEach(node -> {
  18.           this.addTracerTag(node.key().name(), node.asBoolean().get());
  19.         });
  20.       });
  21.   config.get("int-tags")
  22.       .asNodeList()
  23.       .ifPresent(nodes -> {
  24.         nodes.forEach(node -> {
  25.           this.addTracerTag(node.key().name(), node.asInt().get());
  26.         });
  27.       });
  28.   return this;
  29. }

代码示例来源：origin: oracle/helidon

  1. for (Config socketConfig : socketsConfig.asNodeList().orElse(CollectionsHelper.listOf())) {
  2.   String socketName = socketConfig.name();
  3.   sockets.put(socketName, configureSocket(socketConfig, SocketConfiguration.builder()).build());

代码示例来源：origin: io.helidon.config/helidon-config

  1. private Stream<Config> traverseSubNodes(Config config, Predicate<Config> predicate) {
  2.   if (config.type().isLeaf()) {
  3.     return Stream.of(config);
  4.   } else {
  5.     return config.asNodeList()
  6.         .map(list -> list.stream()
  7.             .filter(predicate)
  8.             .map(node -> traverseSubNodes(node, predicate))
  9.             .reduce(Stream.of(config), Stream::concat))
  10.         .orElseThrow(MissingValueException.createSupplier(key()));
  11.   }
  12. }

代码示例来源：origin: io.helidon.security/helidon-security-integration-webserver

  1. private SecurityHandler(Builder builder) {
  2.   // must copy values to be safely immutable
  3.   this.rolesAllowed = builder.rolesAllowed.flatMap(strings -> {
  4.     Set<String> newRoles = new HashSet<>(strings);
  5.     return Optional.of(newRoles);
  6.   });
  7.   // must copy values to be safely immutable
  8.   this.customObjects = builder.customObjects.flatMap(store -> {
  9.     ClassToInstanceStore<Object> ctis = new ClassToInstanceStore<>();
  10.     ctis.putAll(store);
  11.     return Optional.of(ctis);
  12.   });
  13.   config = builder.config;
  14.   explicitAuthenticator = builder.explicitAuthenticator;
  15.   explicitAuthorizer = builder.explicitAuthorizer;
  16.   authenticate = builder.authenticate;
  17.   authenticationOptional = builder.authenticationOptional;
  18.   audited = builder.audited;
  19.   auditEventType = builder.auditEventType;
  20.   auditMessageFormat = builder.auditMessageFormat;
  21.   authorize = builder.authorize;
  22.   combined = builder.combined;
  23.   queryParamHandlers.addAll(builder.queryParamHandlers);
  24.   config.ifPresent(conf -> conf.asNodeList().forEach(node -> configMap.put(node.name(), node)));
  25. }

代码示例来源：origin: io.helidon.config/helidon-config

  1. static <T> ConfigValue<List<T>> createList(Config config,
  2.                       Function<Config, ConfigValue<T>> getValue,
  3.                       Function<Config, ConfigValue<List<T>>> getListValue) {
  4.   Supplier<Optional<List<T>>> valueSupplier = () -> {
  5.     try {
  6.       return config.asNodeList()
  7.           .map(list -> list.stream()
  8.               .map(theConfig -> getValue.apply(theConfig).get())
  9.               .collect(Collectors.toList())
  10.           );
  11.     } catch (MissingValueException | ConfigMappingException ex) {
  12.       throw new ConfigMappingException(config.key(),
  13.                        "Error to map complex node item to list. " + ex.getLocalizedMessage(),
  14.                        ex);
  15.     }
  16.   };
  17.   return new GenericConfigValueImpl<>(config, valueSupplier, getListValue);
  18. }

代码示例来源：origin: io.helidon.config/helidon-config

  1. .asNodeList()
  2. .orElse(CollectionsHelper.listOf())
  3. .stream()

代码示例来源：origin: io.helidon.microprofile.jwt/helidon-microprofile-jwt-auth

  1. @Override
  2. public void init(Config config) {
  3.   config.get(PROVIDER_NAME + ".auth-method-mapping")
  4.       .asNodeList()
  5.       .ifPresent(nl -> {
  6.         nl.forEach(conf -> {
  7.           conf.get("key").asString().ifPresent(key -> {
  8.             if (LOGIN_CONFIG_METHOD.equals(key)) {
  9.               authenticator = conf.get("provider")
  10.                   .asString()
  11.                   .orElse(authenticator);
  12.             }
  13.           });
  14.         });
  15.       });
  16. }

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