本文整理了Java中com.fasterxml.jackson.dataformat.yaml.YAMLMapper类的一些代码示例，展示了YAMLMapper类的具体用法。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。YAMLMapper类的具体详情如下：
包路径：com.fasterxml.jackson.dataformat.yaml.YAMLMapper
类名称：YAMLMapper

YAMLMapper介绍

[英]Convenience version of ObjectMapper which is configured with com.fasterxml.jackson.dataformat.yaml.YAMLFactory.
[中]使用com配置的ObjectMapper的方便版本。fasterxml。杰克逊。数据格式。亚马尔。YAMLFactory。

代码示例

代码示例来源：origin: spullara/mustache.java

private JsonNode getSpec(String spec) throws IOException {
 return new YAMLFactory(new YAMLMapper()).createParser(new InputStreamReader(
     SpecTest.class.getResourceAsStream(
         "/spec/specs/" + spec))).readValueAsTree();
}

代码示例来源：origin: jooby-project/jooby

/**
 * Convert this RAML object to Yaml.
 *
 * @return Yaml string.
 * @throws IOException If something goes wrong.
 */
public String toYaml() throws IOException {
 YAMLMapper mapper = new YAMLMapper();
 mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
 mapper.configure(YAMLGenerator.Feature.ALWAYS_QUOTE_NUMBERS_AS_STRINGS, false);
 mapper.configure(YAMLGenerator.Feature.MINIMIZE_QUOTES, true);
 return "#%RAML 1.0\n" + mapper.writer().withDefaultPrettyPrinter().writeValueAsString(this);
}

代码示例来源：origin: redisson/redisson

public YAMLMapper configure(YAMLParser.Feature f, boolean state) {
  return state ? enable(f) : disable(f);
}

代码示例来源：origin: redisson/redisson

/**
 * @since 2.5
 */
@Override
public YAMLMapper copy()
{
  _checkInvalidCopy(YAMLMapper.class);
  return new YAMLMapper(this);
}

代码示例来源：origin: strimzi/strimzi-kafka-operator

@Override
public String toString() {
  YAMLMapper mapper = new YAMLMapper().disable(YAMLGenerator.Feature.USE_NATIVE_TYPE_ID);
  try {
    return mapper.writeValueAsString(this);
  } catch (JsonProcessingException e) {
    throw new RuntimeException(e);
  }
}

代码示例来源：origin: strimzi/strimzi-kafka-operator

@Override
public String toString() {
  YAMLMapper mapper = new YAMLMapper();
  try {
    return mapper.writeValueAsString(this);
  } catch (JsonProcessingException e) {
    throw new RuntimeException(e);
  }
}

代码示例来源：origin: org.springframework.cloud/spring-cloud-skipper-server-core

protected List<PackageMetadata> deserializeFromIndexFiles(List<File> indexFiles) {
  List<PackageMetadata> packageMetadataList = new ArrayList<>();
  YAMLMapper yamlMapper = new YAMLMapper();
  yamlMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
  for (File indexFile : indexFiles) {
    try {
      MappingIterator<PackageMetadata> it = yamlMapper.readerFor(PackageMetadata.class).readValues(indexFile);
      while (it.hasNextValue()) {
        PackageMetadata packageMetadata = it.next();
        packageMetadataList.add(packageMetadata);
      }
    }
    catch (IOException e) {
      throw new IllegalArgumentException("Can't parse Release manifest YAML", e);
    }
  }
  return packageMetadataList;
}

代码示例来源：origin: io.konig/konig-schemagen

private void readTags(String fileName, StringBuffer template) throws FileNotFoundException, IOException {
  File resourceFile = new File(path, fileName);
  if(resourceFile.exists()){
    try (InputStream inputStream = new FileInputStream(resourceFile)) {
      String contents = IOUtils.toString(inputStream);
      YAMLMapper mapper = new YAMLMapper(new YAMLFactory());
      JsonNode node = mapper.readTree(contents);
      JsonNode resourcesNode = node.get("Tags");
      String jsonAsYaml = new YAMLMapper().writeValueAsString(resourcesNode);
      String[] resourceLines=jsonAsYaml.split("\n");
      for(String line:resourceLines){
        if(!line.contains("---")){
          template.append(""+line+"\n      ");
        }
      }
    }
  }
}

代码示例来源：origin: strimzi/strimzi-kafka-operator

public static <T> T fromYamlString(String yamlContent, Class<T> c, boolean ignoreUnknownProperties) {
  ObjectMapper mapper = new YAMLMapper().configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, !ignoreUnknownProperties);
  try {
    return mapper.readValue(yamlContent, c);
  } catch (InvalidFormatException e) {
    throw new IllegalArgumentException(e);
  } catch (IOException e) {
    throw new RuntimeException(e);
  }
}

代码示例来源：origin: spring-cloud/spring-cloud-skipper

@Override
public List<CloudFoundryApplicationSkipperManifest> read(String manifest) {
  if (canSupport(manifest)) {
    List<CloudFoundryApplicationSkipperManifest> applicationSpecs = new ArrayList<>();
    YAMLMapper mapper = new YAMLMapper();
    mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
    mapper.configure(MapperFeature.ACCEPT_CASE_INSENSITIVE_PROPERTIES, true);
    mapper.setPropertyNamingStrategy(PropertyNamingStrategy.KEBAB_CASE);
    try {
      MappingIterator<CloudFoundryApplicationSkipperManifest> it = mapper
                                .readerFor(CloudFoundryApplicationSkipperManifest.class)
                                .readValues(manifest);
      while (it.hasNextValue()) {
        CloudFoundryApplicationSkipperManifest appKind = it.next();
        applicationSpecs.add(appKind);
      }
    }
    catch (JsonMappingException e) {
      logger.error("Can't parse Package's manifest YAML = " + manifest);
      throw new SkipperException("JsonMappingException - Can't parse Package's manifest YAML = " + manifest,
          e);
    }
    catch (IOException e) {
      logger.error("Can't parse Package's manifest YAML = " + manifest);
      throw new SkipperException("IOException - Can't parse Package's manifest YAML = " + manifest, e);
    }
    return applicationSpecs;
  }
  return Collections.emptyList();
}

代码示例来源：origin: strimzi/strimzi-kafka-operator

public static <T> String toYamlString(T instance) {
  ObjectMapper mapper = new YAMLMapper()
      .disable(YAMLGenerator.Feature.USE_NATIVE_TYPE_ID)
      .setSerializationInclusion(JsonInclude.Include.NON_EMPTY);
  try {
    return mapper.writeValueAsString(instance);
  } catch (JsonProcessingException e) {
    throw new RuntimeException(e);
  }
}

代码示例来源：origin: com.github.cafdataprocessing/worker-document-testing-unit

/**
 * Configures a new Document using a file with JSON or YAML-serialized Document Worker task
 *
 * @param path File path
 * @return current Document builder
 * @throws IOException An issue with accessing a file
 */
public static DocumentBuilder fromFile(final String path) throws IOException
{
  final YAMLMapper mapper = new YAMLMapper();
  final byte[] bytes = FileUtils.readFileToByteArray(new File(path));
  final DocumentWorkerDocumentTask workerTask = mapper.readValue(bytes, DocumentWorkerDocumentTask.class);
  return new DocumentBuilder(workerTask);
}

代码示例来源：origin: strimzi/strimzi-kafka-operator

public static String getContent(File file, Function<JsonNode, String> edit) {
  YAMLMapper mapper = new YAMLMapper();
  try {
    JsonNode node = mapper.readTree(file);
    return edit.apply(node);
  } catch (IOException e) {
    throw new RuntimeException(e);
  }
}

代码示例来源：origin: hortonworks/streamline

private Map<String, String> readConfigFromYamlType(InputStream configFileStream) throws IOException {
  ObjectReader reader = new YAMLMapper().reader();
  Map<String, Object> confMap = reader.forType(new TypeReference<Map<String, Object>>() {})
      .readValue(configFileStream);
  return confMap.entrySet().stream()
      .collect(toMap(Map.Entry::getKey, e -> convertValueAsString(e.getValue())));
}

代码示例来源：origin: com.reprezen.jsonoverlay/jsonoverlay

public static void main(String[] args) throws Exception {
  Opts opts = new Opts(args);
  Object parsedYaml = new Yaml().load(new FileInputStream(opts.typeDataFile));
  TypeData typeData = new YAMLMapper().convertValue(parsedYaml, TypeData.class);
  typeData.init();
  new CodeGenerator(opts).generate(typeData);
}

代码示例来源：origin: strimzi/strimzi-kafka-operator

String s = new YAMLMapper().enable(YAMLGenerator.Feature.MINIMIZE_QUOTES).enable(SerializationFeature.INDENT_OUTPUT).writeValueAsString(object);
Pattern p = Pattern.compile("\\$\\{\\{(.+?)\\}?\\}");
Matcher matcher = p.matcher(s);

代码示例来源：origin: com.github.duanxinyuan/library-json-jackson

/**
 * 反序列化Yaml文件
 * @param path 文件路径
 */
public static <V> V fromYamlFile(String path, Class<V> c) {
  try {
    return yamlMapper.readValue(new File(path), c);
  } catch (IOException e) {
    log.error("jackson from yaml error, path: {}, type: {}", path, c, e);
    return null;
  }
}

代码示例来源：origin: me.snowdrop/istio-model

document = document.trim();
if (!document.isEmpty()) {
  final Map<String, Object> resourceYaml = objectMapper.readValue(document, Map.class);
    final IstioResource resource = objectMapper.convertValue(resourceYaml, IstioResource.class);
    if (wantSpec) {
      results.add(clazz.cast(resource.getSpec()));

代码示例来源：origin: me.snowdrop/istio-common

Object deserialize(JsonNode node, String fieldName, Class targetClass, DeserializationContext ctxt) throws IOException {
    final String type = getFieldClassFQN(targetClass, valueType);
    try {
      // load class of the field
      final Class<?> fieldClass = Thread.currentThread().getContextClassLoader().loadClass(type);
      // create a map type matching the type of the field from the mapping information
      final YAMLMapper codec = (YAMLMapper) ctxt.getParser().getCodec();
      MapType mapType = codec.getTypeFactory().constructMapType(Map.class, String.class, fieldClass);
      // get a parser taking the current value as root
      final JsonParser traverse = node.get(fieldName).traverse(codec);
      // and use it to deserialize the subtree as the map type we just created
      return codec.readValue(traverse, mapType);
    } catch (ClassNotFoundException e) {
      throw new RuntimeException("Unsupported type '" + type + "' for field '" + fieldName +
          "' on '" + targetClass.getName() + "' class. Full type was " + this, e);
    }
  }
}

代码示例来源：origin: com.github.duanxinyuan/library-json-jackson

/**
 * 序列化为YAML
 */
public static <V> String toYaml(V v) {
  try {
    return yamlMapper.writeValueAsString(v);
  } catch (JsonProcessingException e) {
    log.error("jackson to yaml error, obj: {}", v, e);
    return null;
  }
}