source: branches/comu-ver2/data/module/log4php/php5/log4php/appenders/LoggerAppenderFile.php @ 18220

Revision 18220, 4.3 KB checked in by yokkuns, 11 years ago (diff)

#149 ロガークラス作成

Line 
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 *
19 * @package log4php
20 * @subpackage appenders
21 */
22
23/**
24 * @ignore
25 */
26if (!defined('LOG4PHP_DIR')) define('LOG4PHP_DIR', dirname(__FILE__) . '/..');
27
28require_once(LOG4PHP_DIR . '/LoggerAppenderSkeleton.php');
29require_once(LOG4PHP_DIR . '/helpers/LoggerOptionConverter.php');
30require_once(LOG4PHP_DIR . '/LoggerLog.php');
31
32/**
33 * FileAppender appends log events to a file.
34 *
35 * Parameters are ({@link $fileName} but option name is <b>file</b>),
36 * {@link $append}.
37 *
38 * @author  Marco Vassura
39 * @author Knut Urdalen <knut.urdalen@gmail.com>
40 * @version $Revision: 640255 $
41 * @package log4php
42 * @subpackage appenders
43 */
44class LoggerAppenderFile extends LoggerAppenderSkeleton {
45
46    /**
47     * @var boolean if {@link $file} exists, appends events.
48     */
49    private $append = true;
50    /**
51     * @var string the file name used to append events
52     */
53    protected $fileName;
54    /**
55     * @var mixed file resource
56     */
57    protected $fp = false;
58   
59    public function __construct($name) {
60        parent::__construct($name);
61        $this->requiresLayout = true;
62    }
63
64    public function activateOptions() {
65        $fileName = $this->getFile();
66        LoggerLog::debug("LoggerAppenderFile::activateOptions() opening file '{$fileName}'");
67        $this->fp = fopen($fileName, ($this->getAppend()? 'a':'w'));
68        if ($this->fp) {
69            if ($this->getAppend())
70                fseek($this->fp, 0, SEEK_END);
71            fwrite($this->fp, $this->layout->getHeader());
72            $this->closed = false;
73        } else {
74            $this->closed = true;
75        }
76    }
77   
78    public function close() {
79        if($this->fp and $this->layout !== null) {
80                        fwrite($this->fp, $this->layout->getFooter());
81                }
82           
83        $this->closeFile();
84        $this->closed = true;
85    }
86
87    /**
88     * Closes the previously opened file.
89     */
90    public function closeFile() {
91        if ($this->fp)
92            fclose($this->fp);
93    }
94   
95    /**
96     * @return boolean
97     */
98    public function getAppend() {
99        return $this->append;
100    }
101
102    /**
103     * @return string
104     */
105    public function getFile() {
106        return $this->getFileName();
107    }
108   
109    /**
110     * @return string
111     */
112    public function getFileName() {
113        return $this->fileName;
114    }
115 
116    /**
117     * Close any previously opened file and call the parent's reset.
118     */
119    public function reset() {
120        $this->closeFile();
121        $this->fileName = null;
122        parent::reset();
123    }
124
125    public function setAppend($flag) {
126        $this->append = LoggerOptionConverter::toBoolean($flag, true);       
127    }
128 
129    /**
130     * Sets and opens the file where the log output will go.
131     *
132     * This is an overloaded method. It can be called with:
133     * - setFile(string $fileName) to set filename.
134     * - setFile(string $fileName, boolean $append) to set filename and append.
135     */
136    public function setFile() {
137        $numargs = func_num_args();
138        $args    = func_get_args();
139
140        if ($numargs == 1 and is_string($args[0])) {
141            $this->setFileName($args[0]);
142        } elseif ($numargs >=2 and is_string($args[0]) and is_bool($args[1])) {
143            $this->setFile($args[0]);
144            $this->setAppend($args[1]);
145        }
146    }
147   
148    public function setFileName($fileName) {
149        $this->fileName = $fileName;
150    }
151
152    public function append($event) {
153        if ($this->fp and $this->layout !== null) {
154            LoggerLog::debug("LoggerAppenderFile::append()");
155            fwrite($this->fp, $this->layout->format($event));
156        }
157    }
158}
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