Java Code Examples for com.fasterxml.jackson.dataformat.yaml.YAMLMapper#writeValueAsString()

public static String changeDeploymentNamespaceUpgrade(File deploymentFile, String namespace) {
    YAMLMapper mapper = new YAMLMapper();
    try {
        JsonNode node = mapper.readTree(deploymentFile);
        // Change the docker org of the images in the 050-deployment.yaml
        ObjectNode containerNode = (ObjectNode) node.at("/spec/template/spec/containers").get(0);
        for (JsonNode envVar : containerNode.get("env")) {
            String varName = envVar.get("name").textValue();
            if (varName.matches("STRIMZI_NAMESPACE")) {
                // Replace all the default images with ones from the $DOCKER_ORG org and with the $DOCKER_TAG tag
                ((ObjectNode) envVar).remove("valueFrom");
                ((ObjectNode) envVar).put("value", namespace);
            }
            if (varName.matches("STRIMZI_LOG_LEVEL")) {
                ((ObjectNode) envVar).put("value", "DEBUG");
            }
        }
        return mapper.writeValueAsString(node);
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}
 

@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);
    }
}
 

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

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

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

@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);
    }
}
 

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

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

@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);
    }
}
 

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

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

/**
 * Changes the {@code subject} of the RoleBinding in the given YAML resource to be the
 * {@code strimzi-cluster-operator} {@code ServiceAccount} in the given namespace.
 * @param roleBindingFile
 * @param namespace
 * @return role
 */
public static String changeRoleBindingSubject(File roleBindingFile, String namespace) {
    YAMLMapper mapper = new YAMLMapper();
    try {
        JsonNode node = mapper.readTree(roleBindingFile);
        ArrayNode subjects = (ArrayNode) node.get("subjects");
        ObjectNode subject = (ObjectNode) subjects.get(0);
        subject.put("kind", "ServiceAccount")
                .put("name", "strimzi-cluster-operator")
                .put("namespace", namespace);
        return mapper.writeValueAsString(node);
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}
 

/**
 * Converts JSON to YAML.
 *
 * @param json json representation
 * @return json file as a yaml document
 * @throws IOException If an error occurs while converting JSON to YAML
 */
public static String jsonToYaml(String json) throws IOException {

    ObjectMapper yamlReader = new ObjectMapper(new YAMLFactory()
            .enable(JsonParser.Feature.ALLOW_BACKSLASH_ESCAPING_ANY_CHARACTER));
    JsonNode jsonNodeTree = yamlReader.readTree(json);
    YAMLMapper yamlMapper = new YAMLMapper()
            .disable(YAMLGenerator.Feature.SPLIT_LINES)
            .enable(YAMLGenerator.Feature.INDENT_ARRAYS)
            .disable(YAMLGenerator.Feature.LITERAL_BLOCK_STYLE)
            .disable(YAMLGenerator.Feature.WRITE_DOC_START_MARKER)
            .enable(YAMLGenerator.Feature.MINIMIZE_QUOTES)
            .enable(YAMLGenerator.Feature.ALWAYS_QUOTE_NUMBERS_AS_STRINGS);
    return yamlMapper.writeValueAsString(jsonNodeTree);
}