<?php
/**
 * Stream Response
 *
 * @author gERD Schaufelberger <gerd@php-tools.net>
 * @license PHP License
 * @package WB
 * @subpackage rest
 */

/**
 * load base class
 */
// WBClass::load();

/**
 * Stream Response
 *
 * Simple response class
 *
 * @version 0.1.2
 * @package WB
 * @subpackage rest
 */
class WBStream_Response extends WBStdClass
{
    protected $status       =   0;
    protected $header       =   array();
    protected $meta         =   array();
    protected $content      =   '';
    protected $contentRaw   =   null;

    /**
     * Construtor
     *
     * @param array configation parameters
     */
    public function __construct($parameter = array())
    {
    }

    /**
     * Get Status Code
     *
     * @return int
     */
    final public function getStatus()
    {
        return $this->status;
    }

    /**
     * Tell If Status Is OK
     *
     * @return bool
     */
    public function isOK()
    {
        if (0 > $this->status) {
            return false;
        }
        return true;
    }

    final public function setStream($stream)
    {
        $this->status       =   0;
        $this->contentRaw   =   null;
        $this->content      =   stream_get_contents($stream);
        if (false === $this->content) {
            $this->status   =   -1;
        }
        $this->meta         =   stream_get_meta_data($stream);
        $this->header       =   array();

        $this->onSetStream();
    }

    /**
     * On Stream Set
     *
     * Things to do when stream was set
     */
    protected function onSetStream()
    {
    }

    /**
     * Get Header Data
     *
     * @param string header line mame
     * @param string default value, if header is not set
     * @return string|array
     */
    final public function getHeader($key = null, $default = '')
    {
        if (is_null($key)) {
            return $this->header;
        }

        $key    =   strtolower($key);
        if (isset($this->header[$key])) {
            return $this->header[$key];
        }
        return $default;
    }

    /**
     * Get Response Data
     *
     * @return string
     */
    public function getContent()
    {
        return $this->content;
    }

    /**
     * Get RAW Response Data
     *
     * @return string
     */
    public function getRawContent()
    {
        if (empty($this->contentRaw)) {
            return $this->content;
        }
        return $this->contentRaw;
    }
}