Adopted composer autoload way

Split up classes into separate way, to allow autoloader to do it's work

Signed-off-by: Diederik de Groot <ddegroot@talon.nl>

lib/Logger/Logger.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace PROVISION\Logger;
+
+/* Note about the Logger class:
+ * The "priority" and "minimum should be one of the constants used for syslog.
+ * See: http://php.net/manual/en/function.syslog.php
+ * They are: LOG_EMERG, LOG_ALERT, LOG_CRIT, LOG_ERR, LOG_WARNING, LOG_NOTICE,
+ * 	     LOG_INFO, LOG_DEBUG
+ * Note that LOG_EMERG, LOG_ALERT, and LOG_CRIT are not really relevant to a
+ * tftp server - these represent instability in the entire operating system.
+ * Note that the number they are represented by are in reverse order -
+ * LOG_EMERG is the lowest, LOG_DEBUG the highest.
+ */
+abstract class Logger
+{
+	function __construct($minimum)
+	{
+		$this->minimum = $minimum;
+	}
+
+	function shouldlog($priority)
+	{
+		// Note: this looks reversed, but is correct
+		// the priority must be AT LEAST the minimum,
+		// because higher priorities represent lower numbers.
+		return $priority <= $this->minimum;
+	}
+
+	abstract function log($priority, $message);
+}
+?>