1: <?php
 2: /**
 3:  * Licensed to the Apache Software Foundation (ASF) under one or more
 4:  * contributor license agreements. See the NOTICE file distributed with
 5:  * this work for additional information regarding copyright ownership.
 6:  * The ASF licenses this file to You under the Apache License, Version 2.0
 7:  * (the "License"); you may not use this file except in compliance with
 8:  * the License. You may obtain a copy of the License at
 9:  *
10:  *     http://www.apache.org/licenses/LICENSE-2.0
11:  *
12:  * Unless required by applicable law or agreed to in writing, software
13:  * distributed under the License is distributed on an "AS IS" BASIS,
14:  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15:  * See the License for the specific language governing permissions and
16:  * limitations under the License.
17:  * 
18:  * @package log4php
19:  */
20: 
21: /**
22:  * Converts PHP configuration files to a PHP array.
23:  * 
24:  * The file should only hold the PHP config array preceded by "return".
25:  * 
26:  * Example PHP config file:
27:  * <code>
28:  * <?php
29:  * return array(
30:  *   'rootLogger' => array(
31:  *     'level' => 'info',
32:  *     'appenders' => array('default')
33:  *   ),
34:  *   'appenders' => array(
35:  *     'default' => array(
36:  *       'class' => 'LoggerAppenderEcho',
37:  *       'layout' => array(
38:  *          'class' => 'LoggerLayoutSimple'
39:  *        )
40:  *     )
41:  *   )
42:  * )
43:  * ?>
44:  * </code>
45:  * 
46:  * @package log4php
47:  * @subpackage configurators
48:  * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
49:  * @version $Revision: 1343601 $
50:  * @since 2.2
51:  */
52: class LoggerConfigurationAdapterPHP implements LoggerConfigurationAdapter
53: {
54:     public function convert($url) {
55:         if (!file_exists($url)) {
56:             throw new LoggerException("File [$url] does not exist.");
57:         }
58:         
59:         // Load the config file
60:         $data = @file_get_contents($url);
61:         if ($data === false) {
62:             $error = error_get_last();
63:             throw new LoggerException("Error loading config file: {$error['message']}");
64:         }
65:         
66:         $config = @eval('?>' . $data);
67:         
68:         if ($config === false) {
69:             $error = error_get_last();
70:             throw new LoggerException("Error parsing configuration: " . $error['message']);
71:         }
72:         
73:         if (empty($config)) {
74:             throw new LoggerException("Invalid configuration: empty configuration array.");
75:         }
76:         
77:         if (!is_array($config)) {
78:             throw new LoggerException("Invalid configuration: not an array.");
79:         }
80:         
81:         return $config;
82:     }
83: }
84: 
85: