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 /**

    20  * LoggerAppenderConsole appends log events either to the standard output

    21  * stream (php://stdout) or the standard error stream (php://stderr).

    22  *

    23  * **Note**: Use this Appender with command-line php scripts. On web scripts

    24  * this appender has no effects.

    25  *

    26  * This appender uses a layout.

    27  *

    28  * ## Configurable parameters: ##

    29  *

    30  * - **target** - the target stream: "stdout" or "stderr"

    31  *

    32  * @version $Revision: 1343601 $

    33  * @package log4php

    34  * @subpackage appenders

    35  * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0

    36  * @link http://logging.apache.org/log4php/docs/appenders/console.html Appender documentation

    37  */

    38 class LoggerAppenderConsole extends LoggerAppender {

    39 

    40     /** The standard otuput stream.  */

    41     const STDOUT = 'php://stdout';

    42 

    43     /** The standard error stream.*/

    44     const STDERR = 'php://stderr';

    45 

    46     /** The 'target' parameter. */

    47     protected $target = self::STDOUT;

    48 

    49     /**

    50      * Stream resource for the target stream.

    51      * @var resource

    52      */

    53     protected $fp = null;

    54 

    55     public function activateOptions() {

    56         $this->fp = fopen($this->target, 'w');

    57         if (is_resource($this->fp) && $this->layout !== null) {

    58             fwrite($this->fp, $this->layout->getHeader());

    59         }

    60         $this->closed = (bool)is_resource($this->fp) === false;

    61     }

    62 

    63 

    64     public function close() {

    65         if ($this->closed != true) {

    66             if (is_resource($this->fp) && $this->layout !== null) {

    67                 fwrite($this->fp, $this->layout->getFooter());

    68                 fclose($this->fp);

    69             }

    70             $this->closed = true;

    71         }

    72     }

    73 

    74     public function append(LoggerLoggingEvent $event) {

    75         if (is_resource($this->fp) && $this->layout !== null) {

    76             fwrite($this->fp, $this->layout->format($event));

    77         }

    78     }

    79 

    80     /**

    81      * Sets the 'target' parameter.

    82      * @param string $target

    83      */

    84     public function setTarget($target) {

    85         $value = trim($target);

    86         if ($value == self::STDOUT || strtoupper($value) == 'STDOUT') {

    87             $this->target = self::STDOUT;

    88         } elseif ($value == self::STDERR || strtoupper($value) == 'STDERR') {

    89             $this->target = self::STDERR;

    90         } else {

    91             $target = var_export($target);

    92             $this->warn("Invalid value given for 'target' property: [$target]. Property not set.");

    93         }

    94     }

    95 

    96     /**

    97      * Returns the value of the 'target' parameter.

    98      * @return string

    99      */

   100     public function getTarget() {

   101         return $this->target;

   102     }

   103 }