X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=framework%2Fmain%2Fclasses%2Ffile_directories%2Fclass_BaseAbstractFile.php;h=69b15b06e72c62750a7cef99579a1ed09b66a95b;hb=510a849a26904971bf3f5b58cf7eca73375c6859;hp=92b3f114dce1f1ad9b8cf9552ea5d1eb1ecbb921;hpb=b002c5909aa0f781505dde5414964b0f014cde01;p=core.git

diff --git a/framework/main/classes/file_directories/class_BaseAbstractFile.php b/framework/main/classes/file_directories/class_BaseAbstractFile.php
index 92b3f114..69b15b06 100644
--- a/framework/main/classes/file_directories/class_BaseAbstractFile.php
+++ b/framework/main/classes/file_directories/class_BaseAbstractFile.php
@@ -13,7 +13,7 @@ use Org\Mxchange\CoreFramework\Object\BaseFrameworkSystem;
  *
  * @author		Roland Haeder <webmaster@ship-simu.org>
  * @version		0.0.0
- * @copyright	Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2017 Core Developer Team
+ * @copyright	Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2020 Core Developer Team
  * @license		GNU GPL 3.0 or any newer version
  * @link		http://www.ship-simu.org
  *
@@ -36,17 +36,57 @@ abstract class BaseAbstractFile extends BaseFrameworkSystem implements FilePoint
 	 */
 	private $totalEntries = 0;
 
+	/**
+	 * An instance of a file I/O pointer class (not handler)
+	 */
+	private $pointerInstance = NULL;
+
 	/**
 	 * Protected constructor
 	 *
 	 * @param	$className	Name of the class
 	 * @return	void
 	 */
-	protected function __construct ($className) {
+	protected function __construct (string $className) {
 		// Call parent constructor
 		parent::__construct($className);
 	}
 
+	/**
+	 * Setter for FilePointer instance
+	 *
+	 * @param	$pointerInstance	An instance of an FilePointer class
+	 * @return	void
+	 */
+	protected final function setPointerInstance (FilePointer $pointerInstance) {
+		$this->pointerInstance = $pointerInstance;
+	}
+
+	/**
+	 * Getter for FilePointer instance
+	 *
+	 * @return	$pointerInstance	An instance of an FilePointer class
+	 */
+	public final function getPointerInstance () {
+		return $this->pointerInstance;
+	}
+
+	/**
+	 * Unsets pointer instance which triggers a call of __destruct() if the
+	 * instance is still there. This is surely not fatal on already "closed"
+	 * file pointer instances.
+	 *
+	 * I don't want to mess around with above setter by giving it a default
+	 * value NULL as setter should always explicitly only set (existing) object
+	 * instances and NULL is NULL.
+	 *
+	 * @return	void
+	 */
+	protected final function unsetPointerInstance () {
+		// Simply it to NULL
+		$this->pointerInstance = NULL;
+	}
+
 	/**
 	 * Destructor for cleaning purposes, etc
 	 *
@@ -105,10 +145,9 @@ abstract class BaseAbstractFile extends BaseFrameworkSystem implements FilePoint
 	 * Getter for the file object
 	 *
 	 * @return	$fileObject		An instance of a SplFileObject
-	 * @throws	UnsupportedOperationException	If this method is called
 	 */
 	public final function getFileObject () {
-		throw new UnsupportedOperationException(array($this, __FUNCTION__), self::EXCEPTION_UNSPPORTED_OPERATION);
+		return $this->getPointerInstance()->getFileObject();
 	}
 
 	/**
@@ -144,7 +183,7 @@ abstract class BaseAbstractFile extends BaseFrameworkSystem implements FilePoint
 	 *
 	 * @return	mixed	The result of fread()
 	 * @throws	NullPointerException	If the file pointer instance
-	 *									is not set by setPointer()
+	 *									is not set by setFileObject()
 	 * @throws	InvalidResourceException	If there is being set
 	 */
 	public function readFromFile () {
@@ -158,7 +197,7 @@ abstract class BaseAbstractFile extends BaseFrameworkSystem implements FilePoint
 	 * @param	$dataStream		The data stream we shall write to the file
 	 * @return	mixed			Number of writes bytes or false on error
 	 * @throws	NullPointerException	If the file pointer instance
-	 *									is not set by setPointer()
+	 *									is not set by setFileObject()
 	 * @throws	InvalidResourceException	If there is being set
 	 *											an invalid file resource
 	 */