java.lang.Object
- io.helidon.config.ConfigSources

```
public final class ConfigSources
extends Object
```
Provides access to built-in ConfigSource implementations.

See Also:

ConfigSource

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class ConfigSources.SystemPropertiesConfigSource
System properties config source.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static ClasspathConfigSource.Builder`	`classpath(String resource)`	Provides a `Builder` for creating a `ConfigSource` from the specified resource located on the classpath of the current thread's context classloader.
`static List<UrlConfigSource.Builder>`	`classpathAll(String resource)`	Create builders for each instance of the resource on the current classpath.
`static ConfigSource`	`create(Config config)`	Returns a `ConfigSource` that contains the same configuration model as the provided `config`.
`static NodeConfigSource`	`create(ConfigNode.ObjectNode objectNode)`	Returns a `ConfigSource` that wraps the specified `objectNode`.
`static ConfigSource`	`create(InputStream data, String mediaType)`	Provides a `ConfigSource` from the provided `readable content` and with the specified `mediaType`.
`static ConfigSource`	`create(String content, String mediaType)`	Provides a `ConfigSource` from the provided `String` content and with the specified `mediaType`.
`static MapConfigSource.Builder`	`create(Map<String,String> map)`	Provides a `MapConfigSource.Builder` for creating a `ConfigSource` for a `Map`.
`static MapConfigSource.Builder`	`create(Map<String,String> map, String name)`	Provides a `MapConfigSource.Builder` for creating a `ConfigSource` for a `Map`.
`static MapConfigSource.Builder`	`create(Properties properties)`	Provides a `MapConfigSource.Builder` for creating a `ConfigSource` for a `Map` from a `Properties` object.
`static MapConfigSource.Builder`	`create(Properties properties, String name)`	Provides a `MapConfigSource.Builder` for creating a `ConfigSource` for a `Map` from a `Properties` object.
`static DirectoryConfigSource.Builder`	`directory(String path)`	Provides a `Builder` for creating a `ConfigSource` from the specified directory path.
`static ConfigSource`	`empty()`	Provides an empty config source.
`static MapConfigSource`	`environmentVariables()`	Provides a @{code ConfigSource} for creating a `Config` from environment variables.
`static FileConfigSource.Builder`	`file(String path)`	Provides a `Builder` for creating a `ConfigSource` from the specified file path.
`static FileConfigSource.Builder`	`file(Path path)`	Provides a `Builder` for creating a `ConfigSource` from the specified file path.
`static ConfigSource`	`prefixed(String key, Supplier<? extends ConfigSource> sourceSupplier)`	Provides a `ConfigSource` from a `sourceSupplier`, adding the specified `prefix` to the keys in the source.
`static ConfigSources.SystemPropertiesConfigSource.Builder`	`systemProperties()`	Provides a `ConfigSource` for creating a `Config` derived from system properties.
`static UrlConfigSource.Builder`	`url(URL url)`	Provides a `Builder` for creating a `ConfigSource` from the specified URL.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - empty
```
public static ConfigSource empty()
```
    Provides an empty config source.
    
    Returns:
    
    empty config source
  - create
```
public static ConfigSource create(Config config)
```
    Returns a ConfigSource that contains the same configuration model as the provided config.
    
    Parameters:
    
    config - the original Config
    
    Returns:
    
    ConfigSource for the same Config as the original
  - create
```
public static NodeConfigSource create(ConfigNode.ObjectNode objectNode)
```
    Returns a ConfigSource that wraps the specified objectNode.
    
    Parameters:
    
    objectNode - hierarchical configuration representation that will be returned by the created config source
    
    Returns:
    
    new instance of ConfigSource
    
    See Also:
    
    ConfigNode.ObjectNode, ConfigNode.ListNode, ConfigNode.ValueNode, ConfigNode.ObjectNode.Builder, ConfigNode.ListNode.Builder
  - create
```
public static ConfigSource create(InputStream data,
                                  String mediaType)
```
    Provides a ConfigSource from the provided readable content and with the specified mediaType.
    Instant.now() is the content timestamp.
    
    Parameters:
    
    data - a InputStream providing the configuration content
    
    mediaType - a configuration media type
    
    Returns:
    
    a config source
  - create
```
public static ConfigSource create(String content,
                                  String mediaType)
```
    Provides a ConfigSource from the provided String content and with the specified mediaType.
    Instant.now() is the content timestamp.
    
    Parameters:
    
    content - a configuration content
    
    mediaType - a configuration media type
    
    Returns:
    
    a config source
  - create
```
public static MapConfigSource.Builder create(Map<String,String> map)
```
    Provides a MapConfigSource.Builder for creating a ConfigSource for a Map.
    
    Parameters:
    
    map - a map
    
    Returns:
    
    new Builder instance
    
    See Also:
    
    create(Properties)
  - create
```
public static MapConfigSource.Builder create(Map<String,String> map,
                                             String name)
```
    Provides a MapConfigSource.Builder for creating a ConfigSource for a Map.
    
    Parameters:
    
    map - a map
    
    name - the name.
    
    Returns:
    
    new Builder instance
    
    See Also:
    
    create(Properties)
  - create
```
public static MapConfigSource.Builder create(Properties properties)
```
    Provides a MapConfigSource.Builder for creating a ConfigSource for a Map from a Properties object.
    
    Parameters:
    
    properties - properties
    
    Returns:
    
    new Builder instance
    
    See Also:
    
    create(Map)
  - create
```
public static MapConfigSource.Builder create(Properties properties,
                                             String name)
```
    Provides a MapConfigSource.Builder for creating a ConfigSource for a Map from a Properties object.
    
    Parameters:
    
    properties - properties
    
    name - the name.
    
    Returns:
    
    new Builder instance
    
    See Also:
    
    create(Map)
  - prefixed
```
public static ConfigSource prefixed(String key,
                                    Supplier<? extends ConfigSource> sourceSupplier)
```
    Provides a ConfigSource from a sourceSupplier, adding the specified prefix to the keys in the source.
    
    Parameters:
    
    key - key prefix to be added to all keys
    
    sourceSupplier - a config source supplier
    
    Returns:
    
    new @{code ConfigSource} for the newly-prefixed content
  - systemProperties
```
public static ConfigSources.SystemPropertiesConfigSource.Builder systemProperties()
```
    Provides a ConfigSource for creating a Config derived from system properties.
    
    Returns:
    
    ConfigSource for config derived from system properties
  - environmentVariables
```
public static MapConfigSource environmentVariables()
```
    Provides a @{code ConfigSource} for creating a Config from environment variables.
    
    Returns:
    
    ConfigSource for config derived from environment variables
  - classpath
```
public static ClasspathConfigSource.Builder classpath(String resource)
```
    Provides a Builder for creating a ConfigSource from the specified resource located on the classpath of the current thread's context classloader.
    The name of a resource is a '/'-separated full path name that identifies the resource. If the resource name has a leading slash then it is dropped before lookup.
    
    Parameters:
    
    resource - a name of the resource
    
    Returns:
    
    builder for a ConfigSource for the classpath-based resource
  - classpathAll
```
public static List<UrlConfigSource.Builder> classpathAll(String resource)
```
    Create builders for each instance of the resource on the current classpath.
    
    Parameters:
    
    resource - resource to look for
    
    Returns:
    
    a list of classpath config source builders
  - file
```
public static FileConfigSource.Builder file(String path)
```
    Provides a Builder for creating a ConfigSource from the specified file path.
    
    Parameters:
    
    path - a file path
    
    Returns:
    
    builder for the file-based ConfigSource
  - file
```
public static FileConfigSource.Builder file(Path path)
```
    Provides a Builder for creating a ConfigSource from the specified file path.
    
    Parameters:
    
    path - a file path
    
    Returns:
    
    builder for the file-based ConfigSource
  - directory
```
public static DirectoryConfigSource.Builder directory(String path)
```
    Provides a Builder for creating a ConfigSource from the specified directory path.
    
    Parameters:
    
    path - a directory path
    
    Returns:
    
    new Builder instance
  - url
```
public static UrlConfigSource.Builder url(URL url)
```
    Provides a Builder for creating a ConfigSource from the specified URL.
    
    Parameters:
    
    url - a URL with configuration
    
    Returns:
    
    new Builder instance
    
    See Also:
    
    url(URL)

Class ConfigSources

Nested Class Summary

Method Summary

Methods inherited from class java.lang.Object

Method Detail

empty

create

create

create

create

create

create

create

create

prefixed

systemProperties

environmentVariables

classpath

classpathAll

file

file

directory

url