mxGraphViewImageReader.java 文件源码

/**
 * Creates the image for the given display XML input source. (Note: The XML
 * is an encoded mxGraphView, not mxGraphModel.)
 * 
 * @param inputSource
 *            Input source that contains the display XML.
 * @return Returns an image representing the display XML input source.
 */
public static BufferedImage convert(InputSource inputSource,
        mxGraphViewImageReader viewReader)
        throws ParserConfigurationException, SAXException, IOException
{
    BufferedImage result = null;
    SAXParser parser = SAXParserFactory.newInstance().newSAXParser();
    XMLReader reader = parser.getXMLReader();

    reader.setContentHandler(viewReader);
    reader.parse(inputSource);

    if (viewReader.getCanvas() instanceof mxImageCanvas)
    {
        result = ((mxImageCanvas) viewReader.getCanvas()).destroy();
    }

    return result;
}