/**
* Loads an SVGT document from the given URL.
*
* @param urlStr The SVGT document URL or path.
* @return An SVGT document.
*/
protected SVGDocument loadSVG(URL url) {
InputStream is = null;
try {
String completeUrl = url.toExternalForm();
int p = completeUrl.lastIndexOf('/');
if (p != -1) {
baseURL = new URL(completeUrl.substring(0, p + 1));
}
is = url.openStream();
if (url.toString().endsWith("svgz")) {
is = new GZIPInputStream(is);
}
} catch (Exception ex) {
logger.error(ex);
// ex.printStackTrace();
Enumeration en = errorListeners.elements();
while (en.hasMoreElements()) {
SVGViewerErrorListener l = (SVGViewerErrorListener) en.nextElement();
l.error(new SVGViewerErrorEvent(ex));
}
}
return loadSVG(is);
}
/**
* Loads an SVGT document from the given InputStream.
*
* @param is The InputStream.
* @return An SVGT document.
*/
private SVGDocument loadSVG(InputStream is) {
loaded = false;
String errorMessage = null;
Throwable throwable = null;
SVGDocument doc = raster.createSVGDocument();
try {
// Read and parse the SVGT stream
TinyPixbuf pixbuf = raster.getPixelBuffer();
// Create the SVGT attributes parser
SVGAttr attrParser = new SVGAttr(pixbuf.width, pixbuf.height);
// Create the SVGT stream parser
SVGParser parser = new SVGParser(attrParser);
// Parse the input SVGT stream parser into the document
int errorCode = parser.load(doc, is);
errorCode = errorCode >> 10;
if (errorCode != 0) {
logger.error("Error al parsear SVG. Código:" + errorCode);
errorMessage = "Error de sintaxis XML";
} else {
if (doc.root.children == null || doc.root.children.data[0] instanceof SVGUnknownElem) {
errorMessage = "El fichero no es un SVG válido";
} else {
// Fichero correcto
logger.debug("Fichero cargado correctamente");
loaded = true;
}
}
} catch (OutOfMemoryError memerror) {
doc = null;
Runtime.getRuntime().gc();
logger.error("Not enought memory", memerror);
errorMessage = "Memoria insuficiente";
throwable = memerror;
// memerror.printStackTrace();
} catch (SecurityException secex) {
doc = null;
logger.error("Security violation", secex);
errorMessage = "Violación de seguridad";
throwable = secex;
// secex.printStackTrace();
} catch (Exception ex) {
doc = null;
logger.error("Not in SVGT format", ex);
errorMessage = "El fichero no está en formato SVG Tiny";
throwable = ex;
// ex.printStackTrace();
} catch (Throwable t) {
doc = null;
logger.error("Not in SVGT format", t);
errorMessage = "El fichero no está en formato SVG Tiny";
throwable = t;
// thr.printStackTrace();
} finally {
if (errorMessage != null) {
Enumeration en = errorListeners.elements();
while (en.hasMoreElements()) {
SVGViewerErrorListener l = (SVGViewerErrorListener) en.nextElement();
l.error(new SVGViewerErrorEvent(errorMessage, throwable));
}
}
try {
if (is != null) is.close();
} catch (IOException ioe) {
logger.error(ioe);
// ioe.printStackTrace();
}
}
return doc;
}
