/**
* Renders HTML given as a string.
*
* @param htmlSource The HTML source code.
* @param uri A base URI used to resolve item URIs.
* @param rcontext The {@link HtmlRendererContext} instance.
* @see org.lobobrowser.html.test.SimpleHtmlRendererContext
* @see #setDocument(Document, HtmlRendererContext)
*/
public void setHtml(
final String htmlSource, final String uri, final HtmlRendererContext rcontext) {
try {
final DocumentBuilderImpl builder =
new DocumentBuilderImpl(rcontext.getUserAgentContext(), rcontext);
try (final Reader reader = new StringReader(htmlSource)) {
final InputSourceImpl is = new InputSourceImpl(reader, uri);
final Document document = builder.parse(is);
this.setDocument(document, rcontext);
}
} catch (final java.io.IOException ioe) {
throw new IllegalStateException("Unexpected condition.", ioe);
} catch (final org.xml.sax.SAXException se) {
throw new IllegalStateException("Unexpected condition.", se);
}
}
@Override
protected void updateCharacterInfo() {
if (theHandler == null) {
return;
}
if (theSelectPanel != null) {
theSelectPanel.refresh();
}
final StringWriter out = new StringWriter();
final BufferedWriter buf = new BufferedWriter(out);
theHandler.write(getPc(), buf);
final String genText = out.toString().replace("preview_color.css", getColorCSS());
ByteArrayInputStream instream = new ByteArrayInputStream(genText.getBytes());
try {
final URI root =
new URI(
"file",
SettingsHandler.getPcgenPreviewDir().getAbsolutePath().replaceAll("\\\\", "/"),
null);
final Document doc =
theDocBuilder.parse(new InputSourceImpl(instream, root.toString(), "UTF-8"));
theSheetPanel.setDocument(doc, theRendererContext);
} catch (Throwable e) {
final String errorMsg = "<html><body>Unable to process sheet<br>" + e + "</body></html>";
instream = new ByteArrayInputStream(errorMsg.getBytes());
try {
final Document doc = theDocBuilder.parse(instream);
theSheetPanel.setDocument(doc, theRendererContext);
} catch (Exception ex) {
ex.printStackTrace();
}
Logging.errorPrint("Unable to process sheet: ", e);
}
}
public static void main(String[] args) throws Exception {
// Initialize logging so only Cobra warnings are seen.
Logger.getLogger("org.lobobrowser").setLevel(Level.WARNING);
// Open a connection on the URL we want to render first.
String uri = "http://www.google.com";
URL url = new URL(uri);
URLConnection connection = url.openConnection();
InputStream in = connection.getInputStream();
// A Reader should be created with the correct charset,
// which may be obtained from the Content-Type header
// of an HTTP response.
Reader reader = new InputStreamReader(in);
// InputSourceImpl constructor with URI recommended
// so the renderer can resolve page component URLs.
InputSource is = new InputSourceImpl(reader, uri);
HtmlPanel htmlPanel = new HtmlPanel();
UserAgentContext ucontext = new LocalUserAgentContext();
HtmlRendererContext rendererContext = new LocalHtmlRendererContext(htmlPanel, ucontext);
// Set a preferred width for the HtmlPanel,
// which will allow getPreferredSize() to
// be calculated according to block content.
// We do this here to illustrate the
// feature, but is generally not
// recommended for performance reasons.
htmlPanel.setPreferredWidth(800);
// Note: This example does not perform incremental
// rendering while loading the initial document.
DocumentBuilderImpl builder =
new DocumentBuilderImpl(rendererContext.getUserAgentContext(), rendererContext);
Document document = builder.parse(is);
in.close();
// Set the document in the HtmlPanel. This method
// schedules the document to be rendered in the
// GUI thread.
htmlPanel.setDocument(document, rendererContext);
// Create a JFrame and add the HtmlPanel to it.
final JFrame frame = new JFrame();
frame.getContentPane().add(htmlPanel);
// We pack the JFrame to demonstrate the
// validity of HtmlPanel's preferred size.
// Normally you would want to set a specific
// JFrame size instead.
// pack() should be called in the GUI dispatch
// thread since the document is scheduled to
// be rendered in that thread, and is required
// for the preferred size determination.
EventQueue.invokeLater(
new Runnable() {
public void run() {
frame.pack();
frame.setVisible(true);
}
});
}
