<?php

/**
 * A base class from which all classes which have configurable properties are
 * extended. Provides a generic setter with integrated validation.
 */
abstract class LoggerBase {

    /** Setter function for boolean type. */
    protected function setBoolean($property, $value)
    {
        try {
            $this->$property = LoggerOptionConverter::toBooleanEx($value);
        } catch (Exception $ex) {
            $value = var_export($value, true);
            $propValue = var_export($this->$property, true);
            $this->warn("Invalid value given for '$property' property: [$value]. Expected a boolean value. Property not changed, current value: [$propValue].");
        }
    }

    /** Setter function for integer type. */
    protected function setInteger($property, $value)
    {
        try {
            $this->$property = LoggerOptionConverter::toIntegerEx($value);
        } catch (Exception $ex) {
            $value = var_export($value, true);
            $propValue = var_export($this->$property, true);
            $this->warn("Invalid value given for '$property' property: [$value]. Expected an integer. Property not changed, current value: [$propValue].");
        }
    }

    /** Setter function for numeric type. */
    protected function setNumeric($property, $value)
    {
        try {
            $this->$property = LoggerOptionConverter::toNumericEx($value);
        } catch (Exception $ex) {
            $value = var_export($value, true);
            $propValue = var_export($this->$property, true);
            $this->warn("Invalid value given for '$property' property: [$value]. Expected a number. Property not changed, current value: [$propValue].");
        }
    }

    /** Setter function for string type. */
    protected function setString($property, $value)
    {
        try {
            $this->$property = LoggerOptionConverter::toStringEx($value);
        } catch (Exception $ex) {
            $value = var_export($value, true);
            $propValue = var_export($this->$property, true);
            $this->warn("Invalid value given for '$property' property: [$value]. Expected a string. Property not changed, current value: [$propValue].");
        }
    }

    /** Triggers a warning. */
    protected function warn($message)
    {
        $class = get_class($this);
        trigger_error("log4php: $class: $message", E_USER_WARNING);
    }
}



?>