Class CodeHelper

java.lang.Object

net.tangly.core.codes.CodeHelper

public final class CodeHelper
extends Object

Method Summary

Modifier and Type	Method	Description
static <T extends Enum<T> & Code> CodeType<T>	build(Class<T> clazz)	Utility method to read all code values from an enumeration type implementing the {}@link Code} interface.
static <T extends Code> CodeType<T>	build(Class<T> clazz, Function<ResultSet,T> factory, DataSource dataSource, String tableName)	Utility method to read all code values from a relational database table using Java regular API.
static <T extends Code> CodeType<T>	build(Class<T> clazz, Function<org.json.JSONObject,T> factory, Path path)	Utility method to read all code values from a JSON file using the org.json library.

Methods inherited from class java.lang.Object

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

Method Details

build

public static <T extends Enum<T> & Code>
CodeType<T> build(Class<T> clazz)

Utility method to read all code values from an enumeration type implementing the {}@link Code} interface.

Parameters:

clazz - class of the reference code

build

public static <T extends Code> CodeType<T> build(Class<T> clazz,
 Function<ResultSet,T> factory,
 DataSource dataSource,
 String tableName)
                                          throws SQLException

Utility method to read all code values from a relational database table using Java regular API.

Type Parameters:

T - class of the reference code

Parameters:

clazz - class of the reference code

factory - placeholder to pass the class constructor as lambda expression

dataSource - data source to the database to read from

tableName - name of the table containing the code values

Returns:

code type and all its values

Throws:

SQLException - if a database access error occurred

build

public static <T extends Code> CodeType<T> build(Class<T> clazz,
 Function<org.json.JSONObject,T> factory,
 Path path)
                                          throws IOException

Utility method to read all code values from a JSON file using the org.json library.

Type Parameters:

T - class of the reference code

Parameters:

clazz - class of the reference code

factory - placeholder to pass the class constructor as lambda expression

path - uri to the JSON file containing the code values

Returns:

code type and all its values

Throws:

IOException - if a file access error occurred