<?php

/**

 * Licensed to the Apache Software Foundation (ASF) under one or more

 * contributor license agreements. See the NOTICE file distributed with

 * this work for additional information regarding copyright ownership.

 * The ASF licenses this file to You under the Apache License, Version 2.0

 * (the "License"); you may not use this file except in compliance with

 * the License. You may obtain a copy of the License at

 *

 *       http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 *

 * @package log4php

 */

/**

 * A base class from which all classes which have configurable properties are

 * extended. Provides a generic setter with integrated validation.

 *

 * @package log4php

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

 * @version $Revision $

 * @since 2.2

 */

abstract class LoggerConfigurable {

    /** Setter function for boolean type. */

    protected function setBoolean($property, $value) {

        try {

            $this->$property = LoggerOptionConverter::toBooleanEx($value);

        } catch (Exception $ex) {

            $value = var_export($value, true);

            $this->warn("Invalid value given for '$property' property: [$value]. Expected a boolean value. Property not changed.");

        }

    }

    /** Setter function for integer type. */

    protected function setInteger($property, $value) {

        try {

            $this->$property = LoggerOptionConverter::toIntegerEx($value);

        } catch (Exception $ex) {

            $value = var_export($value, true);

            $this->warn("Invalid value given for '$property' property: [$value]. Expected an integer. Property not changed.");

        }

    }

    /** Setter function for LoggerLevel values. */

    protected function setLevel($property, $value) {

        try {

            $this->$property = LoggerOptionConverter::toLevelEx($value);

        } catch (Exception $ex) {

            $value = var_export($value, true);

            $this->warn("Invalid value given for '$property' property: [$value]. Expected a level value. Property not changed.");

        }

    }

    /** Setter function for integer type. */

    protected function setPositiveInteger($property, $value) {

        try {

            $this->$property = LoggerOptionConverter::toPositiveIntegerEx($value);

        } catch (Exception $ex) {

            $value = var_export($value, true);

            $this->warn("Invalid value given for '$property' property: [$value]. Expected a positive integer. Property not changed.");

        }

    }

    /** Setter for file size. */

    protected function setFileSize($property, $value) {

        try {

            $this->$property = LoggerOptionConverter::toFileSizeEx($value);

        } catch (Exception $ex) {

            $value = var_export($value, true);

            $this->warn("Invalid value given for '$property' property: [$value]. Expected a file size value.  Property not changed.");

        }

    }

    /** Setter function for numeric type. */

    protected function setNumeric($property, $value) {

        try {

            $this->$property = LoggerOptionConverter::toNumericEx($value);

        } catch (Exception $ex) {

            $value = var_export($value, true);

            $this->warn("Invalid value given for '$property' property: [$value]. Expected a number. Property not changed.");

        }

    }

    /** Setter function for string type. */

    protected function setString($property, $value, $nullable = false) {

        if ($value === null) {

            if ($nullable) {

                $this->$property = null;

            } else {

                $this->warn("Null value given for '$property' property. Expected a string. Property not changed.");

            }

        } else {

            try {

                $value = LoggerOptionConverter::toStringEx($value);

                $this->$property = LoggerOptionConverter::substConstants($value);

            } catch (Exception $ex) {

                $value = var_export($value, true);

                $this->warn("Invalid value given for '$property' property: [$value]. Expected a string. Property not changed.");

            }

        }

    }

    /** Triggers a warning. */

    protected function warn($message) {

        $class = get_class($this);

        trigger_error("log4php: $class: $message", E_USER_WARNING);

    }

}