Package org.confng.sources

Class SpringCloudConfigSource

java.lang.Object

org.confng.sources.SpringCloudConfigSource

All Implemented Interfaces:

ConfigSource

public class SpringCloudConfigSource
extends Object
implements ConfigSource

Configuration source that fetches configuration from Spring Cloud Config Server.

This source connects to a Spring Cloud Config Server and retrieves configuration for a specific application, profile, and label.

Example Usage:

 // Simple usage
 SpringCloudConfigSource source = new SpringCloudConfigSource(
     "http://config-server:8888", "myapp", "production");
 ConfNG.addSource(source);
 
 // With authentication and custom label
 SpringCloudConfigSource source = SpringCloudConfigSource.builder()
     .serverUrl("http://config-server:8888")
     .application("myapp")
     .profile("production")
     .label("main")
     .username("user")
     .password("secret")
     .build();
 ConfNG.addSource(source);
 

Since:

1.1.0

Author:

Bharat Kumar Malviya, GitHub: github.com/imBharatMalviya

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	SpringCloudConfigSource.Builder

Constructor Summary

Constructors

Constructor	Description
SpringCloudConfigSource(String serverUrl, String application, String profile)	Creates a new Spring Cloud Config source with default settings.
SpringCloudConfigSource(String serverUrl, String application, String profile, String label, String username, String password, int connectTimeoutMs, int readTimeoutMs, long cacheTimeoutMs, int priority)	Creates a new Spring Cloud Config source with custom settings.
SpringCloudConfigSource(String serverUrl, String application, String profile, String label, String username, String password, int connectTimeoutMs, int readTimeoutMs, long cacheTimeoutMs, int priority, int maxRetries, long retryDelayMs)	Creates a new Spring Cloud Config source with custom settings including retry configuration.

Method Summary

Modifier and Type	Method	Description
static SpringCloudConfigSource.Builder	builder()	Builder for creating SpringCloudConfigSource instances.
Optional<String>	get(String key)	Retrieves a configuration value for the given key.
String	getName()	Returns the name of this configuration source.
int	getPriority()	Returns the priority of this configuration source.
void	refresh()	Forces a refresh of the cached configuration.

Methods inherited from class java.lang.Object

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

Constructor Detail

SpringCloudConfigSource

public SpringCloudConfigSource(String serverUrl,
                               String application,
                               String profile)

Creates a new Spring Cloud Config source with default settings.

SpringCloudConfigSource

public SpringCloudConfigSource(String serverUrl,
                               String application,
                               String profile,
                               String label,
                               String username,
                               String password,
                               int connectTimeoutMs,
                               int readTimeoutMs,
                               long cacheTimeoutMs,
                               int priority)

Creates a new Spring Cloud Config source with custom settings.

SpringCloudConfigSource

public SpringCloudConfigSource(String serverUrl,
                               String application,
                               String profile,
                               String label,
                               String username,
                               String password,
                               int connectTimeoutMs,
                               int readTimeoutMs,
                               long cacheTimeoutMs,
                               int priority,
                               int maxRetries,
                               long retryDelayMs)

Creates a new Spring Cloud Config source with custom settings including retry configuration.

Method Detail

getName

public String getName()

Description copied from interface: ConfigSource

Returns the name of this configuration source.

Specified by:

getName in interface ConfigSource

Returns:

the source name, never null

get

public Optional<String> get(String key)

Description copied from interface: ConfigSource

Retrieves a configuration value for the given key.

If the key is not found in this source, an empty Optional should be returned. This allows the ConfNG system to try other sources in the resolution chain.

Specified by:

get in interface ConfigSource

Parameters:

key - the configuration key to look up

Returns:

an Optional containing the value if found, empty otherwise

getPriority

public int getPriority()

Description copied from interface: ConfigSource

Returns the priority of this configuration source.

Sources with higher priority values are consulted first in the resolution chain. Default priorities:

• 100+ - Secret managers and secure sources
• 80-99 - TestNG parameters and test-specific sources
• 60-79 - Environment variables
• 40-59 - System properties
• 20-39 - Configuration files (JSON, Properties)
• 0-19 - Default and fallback sources

Specified by:

getPriority in interface ConfigSource

Returns:

the priority value, higher values have higher priority

refresh

public void refresh()

Forces a refresh of the cached configuration.

builder

public static SpringCloudConfigSource.Builder builder()

Builder for creating SpringCloudConfigSource instances.