UmlSequenceDiagramPrinterToXml.class.php

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<?php
class UmlSequenceDiagramPrinterToXml implements UmlSequenceDiagramPrinterInterface
{
        protected $objUmlSequenceDiagram;

    protected $objConfiguration;

        protected static $objInstance;  

        public static function getInstance()
        {
                if( self::$objInstance == null )
                {
                        self::$objInstance = new UmlSequenceDiagramPrinterToXml();
                }
                return self::$objInstance;
        }

    public function getHeader()
    {
        header( "Content-type: text/xml" );
    }

        public function perform( UmlSequenceDiagram $objUmlSequenceDiagram )
        {
                $this->objUmlSequenceDiagram = $objUmlSequenceDiagram;
                return $this->createXml();      
        }

    public function createXml()
    {
        $strXml = '';
        $strXml .= $this->createXmlHeader();
        $strXml .= $this->createXmlActors();
        $strXml .= $this->createXmlMessages();
        $strXml .= $this->createXmlFooter();
        return $strXml;
    }

    public function createXmlHeader()
    {
        return "<sequence>\n";
    }

    public function createXmlFooter()
    {
        return "</sequence>\n";
    }

    public function createXmlActors()
    {
        $arrActors = $this->objUmlSequenceDiagram->getActors();
        
        $strXmlActors = "\t<actors>\n";
        foreach( $arrActors as $objActor )
        {
            $strXmlActors .= "\t\t";
            $strXmlActors .= "<actor ";
            $strXmlActors .= 'id="' . $objActor->getId() . '" ';
            $strXmlActors .= 'type="' . $objActor->getType() . '" ';
            $strXmlActors .= '>';
            $strXmlActors .= $objActor->getName() . ':' . $objActor->getClassName();
            $strXmlActors .= "</actor>\n";
        }
        $strXmlActors .= "\t</actors>\n";
        return $strXmlActors;
    }

    public function createXmlMessages()
    {
        $arrMessages = $this->objUmlSequenceDiagram->getMessages();
        
        $strXmlMessages = "\t<messages>\n";
        foreach( $arrMessages as $objMessage )
        {
            $strXmlMessages .= "\t\t";
            $strXmlMessages .= "<message ";
            $strXmlMessages .= 'type="' . $objMessage->getType() . '" ';
            $strXmlMessages .= 'from="' . $objMessage->getActorFrom()->getId() . '" ';
            $strXmlMessages .= 'to="' . $objMessage->getActorTo()->getId() . '" ';
            $strXmlMessages .= 'text="' . htmlentities( $objMessage->getText() ) . '" ';
            $strXmlMessages .= '>' . "\n";

            $strXmlMessages .= "\t\t\t";
            $strXmlMessages .= "<values>\n";

            $arrValues = $objMessage->getValues();
            foreach($arrValues as $objValue )
            {
                $strXmlMessages .= "\t\t\t\t";
                $strXmlMessages .= "<value ";
                $strXmlMessages .= 'name = "' . $objValue->getName() . '" ';
                $strXmlMessages .= 'value = "' . $objValue->getValue() . '" ';
                $strXmlMessages .= "/>\n";
            }

            $strXmlMessages .= "\t\t\t";
            $strXmlMessages .= "</values>\n";

            $strXmlMessages .= "\t\t";
            $strXmlMessages .= "</message>\n";
        }
        $strXmlMessages .= "\t</messages>\n";
        return $strXmlMessages;
    }

    public function setConfiguration( UmlSequenceDiagramPrinterConfigurationInterface $objConfiguration )
    {
        $this->objConfiguration = $objConfiguration;
    }

    public function getConfiguration()
    {
        return $this->objConfiguration;
    }
}
?>