Package com.dennisturco

Class JsonConfig

java.lang.Object

com.dennisturco.JsonConfig

public class JsonConfig
extends Object

A utility class to load and flatten JSON configuration files into a flat key-value map. This class reads a JSON configuration file and flattens nested structures into a single-level HashMap with concatenated keys (e.g., "MenuItems_BugReport"). It supports reloading and accessing individual configuration values by key.

Constructor Summary

Constructors

Constructor	Description
JsonConfig(String filePath)	Constructs a new JsonConfig with the specified file path.

Method Summary

Modifier and Type	Method	Description
Object	getConfigByKey(String key)	Returns a configuration value by key.
HashMap<String,Object>	getConfigs()	Returns the full map of flattened configuration values.
void	printAllConfigs()	Prints all configuration key-value pairs to the standard output.
void	reloadConfigs()	Reloads the configuration file and updates the internal config map.

Methods inherited from class java.lang.Object

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

Constructor Details

JsonConfig

public JsonConfig(String filePath)
           throws IOException

Constructs a new JsonConfig with the specified file path.

Parameters:

filePath - The path to the JSON configuration file.

Throws:

IOException - if the file cannot be read.

Method Details

getConfigByKey

public Object getConfigByKey(String key)

Returns a configuration value by key.

Parameters:

key - The configuration key.

Returns:

The associated value, or null if the key doesn't exist.

getConfigs

public HashMap<String,Object> getConfigs()

Returns the full map of flattened configuration values.

Returns:

A HashMap containing all configuration keys and values.

printAllConfigs

public void printAllConfigs()

Prints all configuration key-value pairs to the standard output.

reloadConfigs

public void reloadConfigs()
                   throws IOException

Reloads the configuration file and updates the internal config map.

Throws:

IOException - if the file cannot be read.