Package org.yaml.snakeyaml

Examples of org.yaml.snakeyaml.Yaml

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        try
        {
            final Constructor constructor = new Constructor(CliUserHelp.class);
            TypeDescription desc = new TypeDescription(CliUserHelp.class);
            desc.putListPropertyType("commands", CliCommandHelp.class);
            final Yaml yaml = new Yaml(new Loader(constructor));
            return (CliUserHelp) yaml.load(is);
        }
        finally
        {
            FileUtils.closeQuietly(is);
        }
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            }
            org.yaml.snakeyaml.constructor.Constructor constructor = new org.yaml.snakeyaml.constructor.Constructor(Config.class);
            TypeDescription seedDesc = new TypeDescription(SeedProviderDef.class);
            seedDesc.putMapPropertyType("parameters", String.class, String.class);
            constructor.addTypeDescription(seedDesc);
            Yaml yaml = new Yaml(new Loader(constructor));
            conf = (Config)yaml.load(input);

            logger.info("Data files directories: " + Arrays.toString(conf.data_file_directories));
            logger.info("Commit log directory: " + conf.commitlog_directory);

            if (conf.commitlog_sync == null)
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    return server;
  }
 
  public static void initFromFile(StrestServer server, String filename) throws Exception {
    if (filename.endsWith("yaml")) {
      Yaml yaml = new Yaml();
        String document = FileHelper.loadString(filename);
        Map map = (Map) yaml.load(document);
        initialize(server, DynMapFactory.instance(map));
       
    } else if (filename.endsWith("xml")) {
      //TODO (or not..)
     
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        assert is != null;

        try
        {
            final Constructor constructor = new Constructor(NodeToolHelp.class);
            final Yaml yaml = new Yaml(constructor);
            return (NodeToolHelp)yaml.load(is);
        }
        finally
        {
            FileUtils.closeQuietly(is);
        }
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        org.yaml.snakeyaml.constructor.Constructor constructor =
            new org.yaml.snakeyaml.constructor.Constructor(Config.class);
        TypeDescription seedDesc = new TypeDescription(SeedProviderDef.class);
        seedDesc.putMapPropertyType("parameters", String.class, String.class);
        constructor.addTypeDescription(seedDesc);
        Yaml yaml = new Yaml(new Loader(constructor));

        return (Config) yaml.load(inputStream);
    }
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        //
        // jsanda

        DumperOptions options = new DumperOptions();
        options.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK);
        Yaml yaml = new Yaml(options);
        Map cassandraConfig = (Map) yaml.load(new FileInputStream(yamlFile));

        List seedProviderList = (List) cassandraConfig.get("seed_provider");
        Map seedProvider = (Map) seedProviderList.get(0);
        List paramsList = (List) seedProvider.get("parameters");
        Map params = (Map) paramsList.get(0);
        params.put("seeds", StringUtil.listToString(seeds));

        // create a backup of the configuration file in preparation of writing out the changes
        File yamlFileBackup = new File(yamlProp + ".bak" + new Date().getTime());
        StreamUtil.copy(new FileInputStream(yamlFile), new FileOutputStream(yamlFileBackup), true);

        if (!yamlFile.delete()) {
            String msg = "Failed to delete [" + yamlFile + "] in preparation of writing updated configuration. The " +
                "changes will be aborted.";
            log.error(msg);
            deleteYamlBackupFile(yamlFileBackup);
            throw new IOException(msg);
        }

        FileWriter writer = new FileWriter(yamlFile);
        try {
            yaml.dump(cassandraConfig, writer);
            deleteYamlBackupFile(yamlFileBackup);
        } catch (Exception e) {
            log.error("An error occurred while trying to write the updated configuration back to " + yamlFile, e);
            log.error("Reverting changes to " + yamlFile);
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    public void load() {
        FileInputStream inputStream = null;
        try {
            DumperOptions options = new DumperOptions();
            options.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK);
            yaml = new Yaml(options);
            inputStream = new FileInputStream(configFile);
            config = (Map) yaml.load(inputStream);
            createBackup();
        } catch (FileNotFoundException e) {
            throw new ConfigEditorException("Failed to load " + configFile, e);
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        org.yaml.snakeyaml.constructor.Constructor constructor =
            new org.yaml.snakeyaml.constructor.Constructor(Config.class);
        TypeDescription seedDesc = new TypeDescription(SeedProviderDef.class);
        seedDesc.putMapPropertyType("parameters", String.class, String.class);
        constructor.addTypeDescription(seedDesc);
        Yaml yaml = new Yaml(new Loader(constructor));

        return (Config) yaml.load(inputStream);
    }
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public class HelloWordAppSpecFactory implements ApplicationSpecFactory {

  @Override
  public ApplicationSpec fromYaml(InputStream inputstream) {
    return (ApplicationSpec) new Yaml().load(inputstream);
    // return data;
  }
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    // return data;
  }

  public static void main(String[] args) {

    Yaml yaml = new Yaml();
    InputStream resourceAsStream =
        ClassLoader.getSystemClassLoader().getResourceAsStream("hello_world_app_spec.yaml");
    HelloworldAppSpec spec = yaml.loadAs(resourceAsStream, HelloworldAppSpec.class);
    String dump = yaml.dump(spec);
    System.out.println(dump);
    System.out.println(spec.getServiceConfig("HelloWorld").getStringField("num_containers", "1"));

  }
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