com.redhat.devtools.intellij.common.utils

Class YAMLHelper

java.lang.Object

com.redhat.devtools.intellij.common.utils.YAMLHelper

public class YAMLHelper
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
YAMLHelper()

Method Summary

Modifier and Type	Method and Description
static com.fasterxml.jackson.databind.JsonNode	addLabelToResource(java.lang.String yaml, java.lang.String labelKey, java.lang.String labelValue) Add a label to resource metadata
static com.fasterxml.jackson.databind.JsonNode	editValueInYAML(java.lang.String yamlAsString, java.lang.String[] fieldnames, java.lang.String value) Edit value of a yaml field and return the update yaml as JsonNode
static java.lang.String	getStringValueFromYAML(java.lang.String yamlAsString, java.lang.String[] path) Retrieve value as String from YAML text
static com.fasterxml.jackson.databind.JsonNode	getValueFromYAML(java.lang.String yamlAsString, java.lang.String[] path) Retrieve value as JsonNode from YAML text
static java.lang.String	JSONToYAML(com.fasterxml.jackson.databind.JsonNode json)
static com.fasterxml.jackson.databind.JsonNode	removeLabelFromResource(java.lang.String yaml, java.lang.String labelKey) Remove a label from resource metadata
static com.fasterxml.jackson.databind.JsonNode	URLToJSON(java.net.URL file)
static com.fasterxml.jackson.databind.JsonNode	YAMLToJsonNode(java.lang.String yaml)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

YAMLHelper

public YAMLHelper()

Method Detail

getStringValueFromYAML

public static java.lang.String getStringValueFromYAML(java.lang.String yamlAsString,
                                                      java.lang.String[] path)
                                               throws java.io.IOException

Retrieve value as String from YAML text

Parameters:

yamlAsString - Full YAML where to search the value from

path - Path to scan to search for the value (e.g to get the resource name `String[] { "metadata", "name" } `)

Returns:

last field value or null if the YAML doesn't contain any field

Throws:

java.io.IOException - if erroring during parsing

getValueFromYAML

public static com.fasterxml.jackson.databind.JsonNode getValueFromYAML(java.lang.String yamlAsString,
                                                                       java.lang.String[] path)
                                                                throws java.io.IOException

Retrieve value as JsonNode from YAML text

Parameters:

yamlAsString - Full YAML where to search the value from

path - Path to scan to search for the value (e.g to get the resource name `String[] { "metadata", "name" } `)

Returns:

last field value or null if the YAML doesn't contain any field

Throws:

java.io.IOException - if erroring during parsing

JSONToYAML

public static java.lang.String JSONToYAML(com.fasterxml.jackson.databind.JsonNode json)
                                   throws java.io.IOException

Throws:

java.io.IOException

YAMLToJsonNode

public static com.fasterxml.jackson.databind.JsonNode YAMLToJsonNode(java.lang.String yaml)
                                                              throws java.io.IOException

Throws:

java.io.IOException

URLToJSON

public static com.fasterxml.jackson.databind.JsonNode URLToJSON(java.net.URL file)
                                                         throws java.io.IOException

Throws:

java.io.IOException

editValueInYAML

public static com.fasterxml.jackson.databind.JsonNode editValueInYAML(java.lang.String yamlAsString,
                                                                      java.lang.String[] fieldnames,
                                                                      java.lang.String value)
                                                               throws java.io.IOException

Edit value of a yaml field and return the update yaml as JsonNode

Parameters:

yamlAsString - original yaml to edit

fieldnames - array of string to define path of field to change (e.g "spec", "template", "containers[0]", "image")

value - new value to add to the field

Returns:

edited yaml as JsonNode or null if unable to update yaml

Throws:

java.io.IOException - if errored during yaml parsing

addLabelToResource

public static com.fasterxml.jackson.databind.JsonNode addLabelToResource(java.lang.String yaml,
                                                                         java.lang.String labelKey,
                                                                         java.lang.String labelValue)
                                                                  throws java.io.IOException

Add a label to resource metadata

Parameters:

yaml - the YAML resource configuration

labelKey - label key to add

labelValue - label value to add

Returns:

The updated resource with the new label in the metadata

Throws:

java.io.IOException - if errored during yaml parsing

removeLabelFromResource

public static com.fasterxml.jackson.databind.JsonNode removeLabelFromResource(java.lang.String yaml,
                                                                              java.lang.String labelKey)
                                                                       throws java.io.IOException

Remove a label from resource metadata

Parameters:

yaml - the YAML resource configuration

labelKey - label key to remove

Returns:

the updated resource with the label removed

Throws:

java.io.IOException - if errored during yaml parsing