jc-importer / class / Common / Importer / File / AbstractFile.php

AbstractFile.php in Import WP – CSV & XML Import Export for WordPress 2.7.3, at class/Common/Importer/File/AbstractFile.php

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1	<?php
2
3	namespace ImportWP\Common\Importer\File;
4
5	use ImportWP\Common\Importer\Exception\FileException;
6
7	abstract class AbstractFile
8	{
9
10	/**
11	* @var string $file_path
12	*/
13	private $file_path;
14	/**
15	* @var resource $file_handle
16	*/
17	private $file_handle;
18
19	protected $current_record = false;
20
21	private $current_file_position = -1;
22
23	/**
24	* File constructor.
25	*
26	* @param $file_path
27	* @throws FileException
28	*/
29	public function __construct($file_path)
30	{
31	@ini_set('auto_detect_line_endings', TRUE);
32
33	$this->file_path = $file_path;
34	if (file_exists($this->file_path)) {
35	$this->file_handle = fopen($this->file_path, 'r');
36	} else {
37	throw new FileException("File Not Found: " . $file_path);
38	}
39	}
40
41	public function __destruct()
42	{
43	if ($this->file_handle) {
44	fclose($this->file_handle);
45	}
46
47	@ini_set('auto_detect_line_endings', FALSE);
48	}
49
50	/**
51	* Get next record
52	*
53	* @return string
54	*/
55	public function getNextRecord()
56	{
57	$record = false === $this->current_record ? 0 : $this->current_record + 1;
58
59	return $this->getRecord($record);
60	}
61
62	abstract public function getRecord($record);
63
64	/**
65	* Get previous Record
66	*
67	* @return array
68	*/
69	public function getPreviousRecord()
70	{
71	return $this->getRecord($this->current_record - 1);
72	}
73
74	protected function saveFilePosition()
75	{
76	$this->current_file_position = ftell($this->file_handle);
77	}
78
79	protected function loadFilePosition($record = 0)
80	{
81
82	if ($this->current_file_position >= 0) {
83	fseek($this->file_handle, $this->current_file_position);
84	}
85	}
86
87	/**
88	* @return resource
89	* @throws FileException
90	*/
91	protected function getFileHandle()
92	{
93	if (!in_array(get_resource_type($this->file_handle), array('stream', 'file'), true)) {
94	throw new FileException("File not found: " . $this->file_path);
95	}
96	return $this->file_handle;
97	}
98
99	protected function setCurrentRecord($index)
100	{
101	$this->current_record = $index;
102	}
103	}
104