First Local Commit - After Clean up.

Signed-off-by: Rick Hays <rhays@haysgang.com>

app/Config/Format.php

@@ -0,0 +1,71 @@
+<?php namespace Config;
+
+use CodeIgniter\Config\BaseConfig;
+
+class Format extends BaseConfig
+{
+	/*
+	|--------------------------------------------------------------------------
+	| Available Response Formats
+	|--------------------------------------------------------------------------
+	|
+	| When you perform content negotiation with the request, these are the
+	| available formats that your application supports. This is currently
+	| only used with the API\ResponseTrait. A valid Formatter must exist
+	| for the specified format.
+	|
+	| These formats are only checked when the data passed to the respond()
+	| method is an array.
+	|
+	*/
+	public $supportedResponseFormats = [
+		'application/json',
+		'application/xml', // machine-readable XML
+		'text/xml', // human-readable XML
+	];
+
+	/*
+	|--------------------------------------------------------------------------
+	| Formatters
+	|--------------------------------------------------------------------------
+	|
+	| Lists the class to use to format responses with of a particular type.
+	| For each mime type, list the class that should be used. Formatters
+	| can be retrieved through the getFormatter() method.
+	|
+	*/
+	public $formatters = [
+		'application/json' => \CodeIgniter\Format\JSONFormatter::class,
+		'application/xml'  => \CodeIgniter\Format\XMLFormatter::class,
+		'text/xml'         => \CodeIgniter\Format\XMLFormatter::class,
+	];
+
+	//--------------------------------------------------------------------
+
+	/**
+	 * A Factory method to return the appropriate formatter for the given mime type.
+	 *
+	 * @param string $mime
+	 *
+	 * @return \CodeIgniter\Format\FormatterInterface
+	 */
+	public function getFormatter(string $mime)
+	{
+		if (! array_key_exists($mime, $this->formatters))
+		{
+			throw new \InvalidArgumentException('No Formatter defined for mime type: ' . $mime);
+		}
+
+		$class = $this->formatters[$mime];
+
+		if (! class_exists($class))
+		{
+			throw new \BadMethodCallException($class . ' is not a valid Formatter.');
+		}
+
+		return new $class();
+	}
+
+	//--------------------------------------------------------------------
+
+}