ilExternalMediaAnalyzer Class Reference

Analyzes external media locations and extracts important information into parameter field. More...

Collaboration diagram for ilExternalMediaAnalyzer:

Static Public Member Functions
static	isYouTube ($a_location)
	Identify YouTube links. More...
static	extractYouTubeParameters ($a_location)
	Extract YouTube Parameter. More...
static	isFlickr ($a_location)
	Identify Flickr links. More...
static	extractFlickrParameters ($a_location)
	Extract Flickr Parameter. More...
static	isGoogleVideo ($a_location)
	Identify GoogleVideo links. More...
static	extractGoogleVideoParameters ($a_location)
	Extract GoogleVideo Parameter. More...
static	isVimeo ($a_location)
	Identify Vimeo links. More...
static	extractVimeoParameters ($a_location)
	Extract Vimeo Parameter. More...
static	isGoogleDocument ($a_location)
	Identify Google Document links. More...
static	extractGoogleDocumentParameters ($a_location)
	Extract GoogleDocument Parameter. More...
static	extractUrlParameters ($a_location, $a_parameter)
	Extract URL information to parameter array. More...

Detailed Description

Analyzes external media locations and extracts important information into parameter field.

Author

Alex Killing alex..nosp@m.kill.nosp@m.ing@g.nosp@m.mx.d.nosp@m.e

Version

$Id$

Definition at line 33 of file class.ilExternalMediaAnalyzer.php.

Member Function Documentation

extractFlickrParameters()

static ilExternalMediaAnalyzer::extractFlickrParameters (   $a_location )

static

Extract Flickr Parameter.

Definition at line 81 of file class.ilExternalMediaAnalyzer.php.

Referenced by extractUrlParameters().

    {
        $par = array();
        $pos1 = strpos($a_location, "flickr.com/photos/");
        $pos2 = strpos($a_location, "/", $pos1 + 18);
        if ($pos1 > 0) {
            $len = ($pos2 > 0)
                ? $pos2
                : $a_location;
            $par["user_id"] = substr($a_location, $pos1 + 18, $len - ($pos1 + 18));
        }
        
        // tags
        $pos1 = strpos($a_location, "/tags/");
        $pos2 = strpos($a_location, "/", $pos1 + 6);
        if ($pos1 > 0) {
            $len = ($pos2 > 0)
                ? $pos2
                : strlen($a_location);
            $par["tags"] = substr($a_location, $pos1 + 6, $len - ($pos1 + 6));
        }

        // sets
        $pos1 = strpos($a_location, "/sets/");
        $pos2 = strpos($a_location, "/", $pos1 + 6);
        if ($pos1 > 0) {
            $len = ($pos2 > 0)
                ? $pos2
                : $a_location;
            $par["sets"] = substr($a_location, $pos1 + 6, $len - ($pos1 + 6));
        }

        return $par;
    }

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extractGoogleDocumentParameters()

static ilExternalMediaAnalyzer::extractGoogleDocumentParameters (   $a_location )

static

Extract GoogleDocument Parameter.

Definition at line 188 of file class.ilExternalMediaAnalyzer.php.

Referenced by extractUrlParameters().

    {
        $par = array();
        $pos1 = strpos($a_location, "id=");
        $pos2 = strpos($a_location, "&", $pos1 + 3);
        if ($pos1 > 0) {
            $len = ($pos2 > 0)
                ? $pos2
                : strlen($a_location);
            $par["docid"] = substr($a_location, $pos1 + 3, $len - ($pos1 + 3));
        }
        $pos1 = strpos($a_location, "docID=");
        $pos2 = strpos($a_location, "&", $pos1 + 6);
        if ($pos1 > 0) {
            $len = ($pos2 > 0)
                ? $pos2
                : strlen($a_location);
            $par["docid"] = substr($a_location, $pos1 + 6, $len - ($pos1 + 6));
        }
        if (strpos($a_location, "Presentation?") > 0) {
            $par["type"] = "Presentation";
        }
        if (strpos($a_location, "View?") > 0) {
            $par["type"] = "Document";
        }

        return $par;
    }

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extractGoogleVideoParameters()

static ilExternalMediaAnalyzer::extractGoogleVideoParameters (   $a_location )

static

Extract GoogleVideo Parameter.

Definition at line 130 of file class.ilExternalMediaAnalyzer.php.

Referenced by extractUrlParameters().

    {
        $par = array();
        $pos1 = strpos($a_location, "docid=");
        $pos2 = strpos($a_location, "&", $pos1 + 6);
        if ($pos1 > 0) {
            $len = ($pos2 > 0)
                ? $pos2
                : strlen($a_location);
            $par["docid"] = substr($a_location, $pos1 + 6, $len - ($pos1 + 6));
        }

        return $par;
    }

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extractUrlParameters()

static ilExternalMediaAnalyzer::extractUrlParameters (   $a_location,   $a_parameter  )

static

Extract URL information to parameter array.

Definition at line 220 of file class.ilExternalMediaAnalyzer.php.

References $name, extractFlickrParameters(), extractGoogleDocumentParameters(), extractGoogleVideoParameters(), extractYouTubeParameters(), isFlickr(), isGoogleDocument(), isGoogleVideo(), and isYouTube().

Referenced by ilMediaItem\extractUrlParameters().

    {
        if (!is_array($a_parameter)) {
            $a_parameter = array();
        }
        
        $ext_par = array();
        
        // YouTube
        if (ilExternalMediaAnalyzer::isYouTube($a_location)) {
            $ext_par = ilExternalMediaAnalyzer::extractYouTubeParameters($a_location);
            $a_parameter = array();
        }

        // Flickr
        if (ilExternalMediaAnalyzer::isFlickr($a_location)) {
            $ext_par = ilExternalMediaAnalyzer::extractFlickrParameters($a_location);
            $a_parameter = array();
        }

        // GoogleVideo
        if (ilExternalMediaAnalyzer::isGoogleVideo($a_location)) {
            $ext_par = ilExternalMediaAnalyzer::extractGoogleVideoParameters($a_location);
            $a_parameter = array();
        }

        // GoogleDocs
        if (ilExternalMediaAnalyzer::isGoogleDocument($a_location)) {
            $ext_par = ilExternalMediaAnalyzer::extractGoogleDocumentParameters($a_location);
            $a_parameter = array();
        }

        foreach ($ext_par as $name => $value) {
            $a_parameter[$name] = $value;
        }

        return $a_parameter;
    }

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extractVimeoParameters()

static ilExternalMediaAnalyzer::extractVimeoParameters (   $a_location )

static

Extract Vimeo Parameter.

Definition at line 159 of file class.ilExternalMediaAnalyzer.php.

Referenced by ilMediaPlayerGUI\getMp3PlayerHtml().

    {
        $par = array();
        $pos1 = strpos($a_location, "vimeo.com/");
        $pos2 = strpos($a_location, "&", $pos1 + 10);
        if ($pos1 > 0) {
            $len = ($pos2 > 0)
                ? $pos2
                : strlen($a_location);
            $par["id"] = substr($a_location, $pos1 + 10, $len - ($pos1 + 10));
        }

        return $par;
    }

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extractYouTubeParameters()

static ilExternalMediaAnalyzer::extractYouTubeParameters (   $a_location )

static

Extract YouTube Parameter.

Definition at line 50 of file class.ilExternalMediaAnalyzer.php.

Referenced by extractUrlParameters(), and ilMediaPlayerGUI\getMp3PlayerHtml().

    {
        $par = array();
        $pos1 = strpos($a_location, "v=");
        $pos2 = strpos($a_location, "&", $pos1);
        if ($pos1 > 0) {
            $len = ($pos2 > 0)
                ? $pos2
                : strlen($a_location);
            $par["v"] = substr($a_location, $pos1 + 2, $len - ($pos1 + 2));
        } elseif (strpos($a_location, "youtu.be") > 0) {
            $par["v"] = substr($a_location, strrpos($a_location, "/") + 1);
        }

        return $par;
    }

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isFlickr()

static ilExternalMediaAnalyzer::isFlickr (   $a_location )

static

Identify Flickr links.

Definition at line 70 of file class.ilExternalMediaAnalyzer.php.

Referenced by extractUrlParameters().

    {
        if (strpos($a_location, "flickr.com") > 0) {
            return true;
        }
        return false;
    }

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isGoogleDocument()

static ilExternalMediaAnalyzer::isGoogleDocument (   $a_location )

static

Identify Google Document links.

Definition at line 177 of file class.ilExternalMediaAnalyzer.php.

Referenced by extractUrlParameters().

    {
        if (strpos($a_location, "docs.google") > 0) {
            return true;
        }
        return false;
    }

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isGoogleVideo()

static ilExternalMediaAnalyzer::isGoogleVideo (   $a_location )

static

Identify GoogleVideo links.

Definition at line 119 of file class.ilExternalMediaAnalyzer.php.

Referenced by extractUrlParameters().

    {
        if (strpos($a_location, "video.google") > 0) {
            return true;
        }
        return false;
    }

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isVimeo()

static ilExternalMediaAnalyzer::isVimeo (   $a_location )

static

Identify Vimeo links.

Definition at line 148 of file class.ilExternalMediaAnalyzer.php.

Referenced by ilMediaPlayerGUI\getMp3PlayerHtml().

    {
        if (strpos($a_location, "vimeo.com") > 0) {
            return true;
        }
        return false;
    }

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isYouTube()

static ilExternalMediaAnalyzer::isYouTube (   $a_location )

static

Identify YouTube links.

Definition at line 38 of file class.ilExternalMediaAnalyzer.php.

Referenced by extractUrlParameters(), and ilMediaPlayerGUI\getMp3PlayerHtml().

    {
        if (strpos($a_location, "youtube.com") > 0 ||
                strpos($a_location, "youtu.be") > 0) {
            return true;
        }
        return false;
    }

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The documentation for this class was generated from the following file:

• Services/MediaObjects/classes/class.ilExternalMediaAnalyzer.php