library/log4php/LoggerLocationInfo.php
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<?php
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/**
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 * Licensed to the Apache Software Foundation (ASF) under one or more
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 * contributor license agreements. See the NOTICE file distributed with
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 * this work for additional information regarding copyright ownership.
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 * The ASF licenses this file to You under the Apache License, Version 2.0
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 * (the "License"); you may not use this file except in compliance with
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 * the License. You may obtain a copy of the License at
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 *
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 *       http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 *
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 * @package log4php
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 */
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/**
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 * The internal representation of caller location information.
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 *
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 * @version $Revision: 1379738 $
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 * @package log4php
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 * @since 0.3
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 */
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class LoggerLocationInfo {
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    /** The value to return when the location information is not available. */
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    const LOCATION_INFO_NA = 'NA';
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    /**
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     * Caller line number.
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     * @var integer
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     */
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    protected $lineNumber;
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    /**
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     * Caller file name.
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     * @var string
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     */
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    protected $fileName;
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    /**
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     * Caller class name.
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     * @var string
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     */
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    protected $className;
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    /**
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     * Caller method name.
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     * @var string
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     */
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    protected $methodName;
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    /**
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     * All the information combined.
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     * @var string
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     */
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    protected $fullInfo;
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    /**
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     * Instantiate location information based on a {@link PHP_MANUAL#debug_backtrace}.
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     *
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     * @param array $trace
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     * @param mixed $caller
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     */
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    public function __construct($trace, $fqcn = null) {
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        $this->lineNumber = isset($trace['line']) ? $trace['line'] : null;
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        $this->fileName = isset($trace['file']) ? $trace['file'] : null;
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        $this->className = isset($trace['class']) ? $trace['class'] : null;
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        $this->methodName = isset($trace['function']) ? $trace['function'] : null;
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        $this->fullInfo = $this->getClassName() . '.' . $this->getMethodName() .
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            '(' . $this->getFileName() . ':' . $this->getLineNumber() . ')';
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    }
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    /** Returns the caller class name. */
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    public function getClassName() {
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        return ($this->className === null) ? self::LOCATION_INFO_NA : $this->className;
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    }
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    /** Returns the caller file name. */
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    public function getFileName() {
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        return ($this->fileName === null) ? self::LOCATION_INFO_NA : $this->fileName;
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    }
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    /** Returns the caller line number. */
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    public function getLineNumber() {
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        return ($this->lineNumber === null) ? self::LOCATION_INFO_NA : $this->lineNumber;
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    }
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    /** Returns the caller method name. */
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    public function getMethodName() {
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        return ($this->methodName === null) ? self::LOCATION_INFO_NA : $this->methodName;
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    }
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    /** Returns the full information of the caller. */
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    public function getFullInfo() {
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        return ($this->fullInfo === null) ? self::LOCATION_INFO_NA : $this->fullInfo;
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    }
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}