--- /dev/null
+<?php
+/**
+ * A class for writing files
+ *
+ * @author Roland Haeder <webmaster@ship-simu.org>
+ * @version 0.0
+ * @copyright Copyright(c) 2007, 2008 Roland Haeder, this is free software
+ * @license GNU GPL 3.0 or any newer version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+class FrameworkFileOutputPointer extends BaseFrameworkSystem {
+ /**
+ * The current file we are working in
+ */
+ private $fileName = "";
+
+ /**
+ * The file pointer
+ */
+ private $filePointer = null;
+
+ /**
+ * Private constructor
+ */
+ private final function __construct () {
+ // Call parent constructor
+ parent::constructor(__CLASS__);
+
+ // Set part description
+ $this->setPartDescr("Dateiausgabe-Handler");
+
+ // Create unique ID
+ $this->createUniqueID();
+
+ // Clean-up a little
+ $this->removeNumberFormaters();
+ }
+
+ /**
+ * Destructor for cleaning purposes, etc
+ */
+ public final function __destruct() {
+ // Is there a resource pointer? Then we have to close the file here!
+ if (is_resource($this->getPointer())) {
+ // Try to close a file
+ $this->closeFile();
+ }
+
+ // Call the parent destructor
+ parent::__destruct();
+ }
+
+ /**
+ * Create a file pointer based on the given file. The file will also
+ * be verified here.
+ *
+ * @param $fileName The file name we shall pass
+ * to fopen()
+ * @param $mode The output mode ('w', 'a' are valid)
+ * @throws FileIsEmptyException If the provided file name is empty.
+ * @throws FilePointerNotOpened If fopen() returns not a file
+ * resource
+ * @return void
+ */
+ public final static function createFrameworkFileOutputPointer ($fileName, $mode) {
+ // Some pre-sanity checks...
+ if (is_null($fileName)) {
+ // No filename given
+ throw new FileIsEmptyException(null, self::EXCEPTION_UNEXPECTED_EMPTY_STRING);
+ }
+
+ // Try to open a handler
+ $filePointer = @fopen($fileName, $mode);
+ if (($filePointer === null) || ($filePointer === false)) {
+ // Something bad happend
+ throw new FilePointerNotOpenedException ($fileName, self::EXCEPTION_FILE_POINTER_INVALID);
+ }
+
+ // Create new instance
+ $pointerInstance = new FrameworkFileOutputPointer();
+
+ // Set file pointer and file name
+ $pointerInstance->setPointer($filePointer);
+ $pointerInstance->setFileName($fileName);
+
+ // Return the instance
+ return $pointerInstance;
+ }
+
+ /**
+ * Write data to a file pointer
+ *
+ * @param $dataStream The data stream we shall write to the file
+ * @return mixed The result of fwrite()
+ * @throws NullPointerException If the file pointer instance
+ * is not set by setPointer()
+ * @throws InvalidFileResourceException If there is being set
+ * an invalid file resource
+ */
+ public function writeToFile ($dataStream) {
+ if (is_null($this->getPointer())) {
+ // Pointer not initialized
+ throw new NullPointerException($this, self::EXCEPTION_IS_NULL_POINTER);
+ } elseif (!is_resource($this->getPointer())) {
+ // Pointer is not a valid resource!
+ throw new InvalidFileResourceException($this, self::EXCEPTION_INVALID_DIRECTORY_POINTER);
+ }
+
+ // Read data from the file pointer and return it
+ return fwrite($this->getPointer(), $dataStream);
+ }
+
+ /**
+ * Close a file source and set it's instance to null and the file name
+ * to empty
+ *
+ * @return void
+ * @throws NullPointerException If the file pointer instance
+ * is not set by setPointer()
+ * @throws InvalidFileResourceException If there is being set
+ */
+ public function closeFile () {
+ if (is_null($this->getPointer())) {
+ // Pointer not initialized
+ throw new NullPointerException($this, self::EXCEPTION_IS_NULL_POINTER);
+ } elseif (!is_resource($this->getPointer())) {
+ // Pointer is not a valid resource!
+ throw new InvalidFileResourceException($this, self::EXCEPTION_INVALID_DIRECTORY_POINTER);
+ }
+
+ // Close the file pointer and reset the instance variable
+ @fclose($this->getPointer());
+ $this->setPointer(null);
+ $this->setFileName("");
+ }
+
+ /**
+ * Setter for the file pointer
+ *
+ * @param $filePointer File resource
+ * @return void
+ */
+ public final function setPointer ($filePointer) {
+ // Sanity-check if the pointer is a valid file resource
+ if (is_resource($filePointer) || is_null($filePointer)) {
+ // Is a valid resource
+ $this->filePointer = $filePointer;
+ } else {
+ // Throw exception
+ throw new InvalidFileResourceException($this, self::EXCEPTION_INVALID_DIRECTORY_POINTER);
+ }
+ }
+
+ /**
+ * Getter for the file pointer
+ *
+ * @return $filePointer The file pointer which shall be a valid
+ * file resource
+ */
+ public final function getPointer () {
+ return $this->filePointer;
+ }
+
+ /**
+ * Setter for file name
+ *
+ * @param $fileName The new file name
+ * @return void
+ */
+ public final function setFileName ($fileName) {
+ $fileName = (string) $fileName;
+ $this->fileName = $fileName;
+ }
+
+ /**
+ * Getter for file name
+ *
+ * @return $fileName The current file name
+ */
+ public final function getFileName () {
+ return $this->fileName;
+ }
+}
+
+// [EOF]
+?>
projects / shipsimu.git / blobdiff