1 | <?php
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2 | /**
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3 | * log4php is a PHP port of the log4j java logging package.
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4 | *
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5 | * <p>This framework is based on log4j (see {@link http://jakarta.apache.org/log4j log4j} for details).</p>
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6 | * <p>Design, strategies and part of the methods documentation are developed by log4j team
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7 | * (Ceki Gülcü as log4j project founder and
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8 | * {@link http://jakarta.apache.org/log4j/docs/contributors.html contributors}).</p>
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9 | *
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10 | * <p>PHP port, extensions and modifications by VxR. All rights reserved.<br>
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11 | * For more information, please see {@link http://www.vxr.it/log4php/}.</p>
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12 | *
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13 | * <p>This software is published under the terms of the LGPL License
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14 | * a copy of which has been included with this distribution in the LICENSE file.</p>
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15 | *
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16 | * @package log4php
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17 | * @subpackage varia
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18 | */
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19 |
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20 | /**
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21 | * @ignore
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22 | */
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23 | if (!defined('LOG4PHP_DIR')) define('LOG4PHP_DIR', dirname(__FILE__) . '/..');
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24 |
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25 | /**
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26 | */
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27 | require_once(LOG4PHP_DIR . '/helpers/LoggerOptionConverter.php');
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28 | require_once(LOG4PHP_DIR . '/spi/LoggerFilter.php');
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29 |
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30 | /**
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31 | * This is a very simple filter based on level matching, which can be
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32 | * used to reject messages with priorities outside a certain range.
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33 | *
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34 | * <p>The filter admits three options <b><var>LevelMin</var></b>, <b><var>LevelMax</var></b>
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35 | * and <b><var>AcceptOnMatch</var></b>.</p>
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36 | *
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37 | * <p>If the level of the {@link LoggerLoggingEvent} is not between Min and Max
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38 | * (inclusive), then {@link LOG4PHP_LOGGER_FILTER_DENY} is returned.</p>
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39 | *
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40 | * <p>If the Logging event level is within the specified range, then if
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41 | * <b><var>AcceptOnMatch</var></b> is <i>true</i>,
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42 | * {@link LOG4PHP_LOGGER_FILTER_ACCEPT} is returned, and if
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43 | * <b><var>AcceptOnMatch</var></b> is <i>false</i>,
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44 | * {@link LOG4PHP_LOGGER_FILTER_NEUTRAL} is returned.</p>
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45 | *
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46 | * <p>If <b><var>LevelMin</var></b> is not defined, then there is no
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47 | * minimum acceptable level (ie a level is never rejected for
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48 | * being too "low"/unimportant). If <b><var>LevelMax</var></b> is not
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49 | * defined, then there is no maximum acceptable level (ie a
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50 | * level is never rejected for beeing too "high"/important).</p>
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51 | *
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52 | * <p>Refer to the {@link LoggerAppenderSkeleton::setThreshold()} method
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53 | * available to <b>all</b> appenders extending {@link LoggerAppenderSkeleton}
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54 | * for a more convenient way to filter out events by level.</p>
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55 | *
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56 | * @log4j-class org.apache.log4j.varia.LevelRangeFilter
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57 | * @log4j-author Simon Kitching
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58 | * @log4j-author based on code by Ceki Gülcü
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59 | *
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60 | * @author VxR <vxr@vxr.it>
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61 | * @version $Revision: 1.2 $
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62 | * @package log4php
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63 | * @subpackage varia
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64 | * @since 0.6
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65 | */
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66 | class LoggerLevelRangeFilter extends LoggerFilter {
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67 |
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68 | /**
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69 | * @var boolean
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70 | */
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71 | var $acceptOnMatch = true;
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72 |
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73 | /**
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74 | * @var LoggerLevel
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75 | */
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76 | var $levelMin;
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77 |
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78 | /**
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79 | * @var LoggerLevel
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80 | */
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81 | var $levelMax;
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82 |
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83 | /**
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84 | * @return boolean
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85 | */
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86 | function getAcceptOnMatch()
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87 | {
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88 | return $this->acceptOnMatch;
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89 | }
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90 |
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91 | /**
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92 | * @param boolean $acceptOnMatch
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93 | */
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94 | function setAcceptOnMatch($acceptOnMatch)
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95 | {
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96 | $this->acceptOnMatch = LoggerOptionConverter::toBoolean($acceptOnMatch, true);
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97 | }
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98 |
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99 | /**
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100 | * @return LoggerLevel
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101 | */
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102 | function getLevelMin()
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103 | {
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104 | return $this->levelMin;
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105 | }
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106 |
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107 | /**
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108 | * @param string $l the level min to match
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109 | */
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110 | function setLevelMin($l)
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111 | {
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112 | $this->levelMin = LoggerOptionConverter::toLevel($l, null);
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113 | }
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114 |
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115 | /**
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116 | * @return LoggerLevel
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117 | */
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118 | function getLevelMax()
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119 | {
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120 | return $this->levelMax;
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121 | }
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122 |
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123 | /**
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124 | * @param string $l the level max to match
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125 | */
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126 | function setLevelMax($l)
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127 | {
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128 | $this->levelMax = LoggerOptionConverter::toLevel($l, null);
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129 | }
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130 |
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131 | /**
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132 | * Return the decision of this filter.
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133 | *
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134 | * @param LoggerLoggingEvent $event
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135 | * @return integer
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136 | */
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137 | function decide($event)
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138 | {
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139 | $level = $event->getLevel();
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140 |
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141 | if($this->levelMin !== null) {
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142 | if ($level->isGreaterOrEqual($this->levelMin) == false) {
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143 | // level of event is less than minimum
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144 | return LOG4PHP_LOGGER_FILTER_DENY;
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145 | }
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146 | }
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147 |
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148 | if($this->levelMax !== null) {
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149 | if ($level->toInt() > $this->levelMax->toInt()) {
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150 | // level of event is greater than maximum
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151 | // Alas, there is no Level.isGreater method. and using
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152 | // a combo of isGreaterOrEqual && !Equal seems worse than
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153 | // checking the int values of the level objects..
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154 | return LOG4PHP_LOGGER_FILTER_DENY;
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155 | }
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156 | }
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157 |
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158 | if ($this->getAcceptOnMatch()) {
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159 | // this filter set up to bypass later filters and always return
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160 | // accept if level in range
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161 | return LOG4PHP_LOGGER_FILTER_ACCEPT;
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162 | } else {
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163 | // event is ok for this filter; allow later filters to have a look..
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164 | return LOG4PHP_LOGGER_FILTER_NEUTRAL;
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165 | }
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166 | }
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167 | }
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168 | ?> |
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