Java ContentMode.PREFORMATTED属性代码示例

private Label getNoLogsText(Application app, Environment env, String loggingPath, String loggingFile) {
	String loggingPathUnavailable;
	if(StringUtils.isEmpty(loggingPath)) {
		loggingPathUnavailable = "- Property 'logging.path' is not set";
	} else {
		loggingPathUnavailable = String.format("- Property 'logging.path' is set to '%s'", loggingPath);
	}

	String loggingFileUnavailable;
	if(StringUtils.isEmpty(loggingFile)) {
		loggingFileUnavailable = "- Property 'logging.file' is not set";
	} else {
		loggingFileUnavailable = String.format("- Property 'logging.file' is set to '%s'", loggingFile);
	}

	String noLogsText = new StringBuilder()
							.append(String.format("Endpoint %s is not available because:", app.endpoints().logfile()))
							.append("\n")
							.append(loggingPathUnavailable)
							.append("\n")
							.append(loggingFileUnavailable)
							.append("\n")
							.append("(at least one of those properties have to be properly set)")
							.append("\n\n")
							.append(String.format("Generated value for LOG_FILE property: %s", env.get("LOG_FILE")))
							.toString();

	return new Label(noLogsText, ContentMode.PREFORMATTED);
}
 

public static void setMessageToHtml(String message, ContentMode contentMode, HTML widget) {
    if(contentMode == ContentMode.HTML) {
        widget.setHTML(message);
    } else if(contentMode == ContentMode.PREFORMATTED) {
        PreElement preElement = Document.get().createPreElement();
        preElement.setInnerText(message);
        widget.setHTML(preElement.getString());
    } else {
        widget.setText(message);
    }
}
 

@Override
public void onStateChanged(StateChangeEvent event) {
	super.onStateChanged(event);
	
	clickEventHandler.handleEventHandlerRegistration();
	
	String url = getResourceUrl(AbstractEmbeddedState.SOURCE_RESOURCE);
       getWidget().setUrl(url);
       
       for(String property : getState().styleValues.keySet()) {
       	String value = getState().styleValues.get(property);
       	Style elementStyle = getWidget().getElement().getStyle();
       	if(value == null || value.isEmpty()) {
       		elementStyle.clearProperty(property);
       	} else {
       		elementStyle.setProperty(property, value);
       	}
       }

       if(getState().innerContentMode == ContentMode.HTML) {
		getWidget().setInnerHtml(getState().innerContent);
	} else if(getState().innerContentMode == ContentMode.PREFORMATTED) {
		PreElement preElement = Document.get().createPreElement();
		preElement.setInnerText(getState().innerContent);
		getWidget().getElement().removeAllChildren();
		getWidget().getElement().appendChild(preElement);
	} else {
       	getWidget().setInnerText(getState().innerContent);
	}

	getWidget().setAriaLabel(getState().alternateText);
}
 

private Panel getLogsPanel(Application app, String logs, String propertyLoggingPath) {

		// Logs text area
		Label logsLabel = new Label(logs, ContentMode.PREFORMATTED);
		logsLabel.setStyleName("app-logs");

		// Create panel
		VerticalLayout layout = new VerticalLayout(logsLabel);
		layout.setSpacing(false);
		layout.setSizeUndefined();

		Panel panel = new Panel(String.format("Application Logs (from %s)", propertyLoggingPath), layout);
		panel.setHeight(500, Unit.PIXELS);
		scrollToBottom(panel);

		// Auto refresh logs
		ajaxRefreshInit(args -> {
			int uiId = ((PersephoneUI)getUI()).getUIId();
			LOGGER.trace("UI-{}: Logs Refresh Start", uiId);

			// Get current session range
			LogsRange currentSessionRange = ((PersephoneUI)getUI()).getUserData().getCurrentRange();
			LOGGER.trace("UI-{}: Logs Refresh: Current Range: {}-{}", uiId, currentSessionRange.getStart(), currentSessionRange.getEnd());

			// Get next logs range to retrieve
			LogsRange nextRange = logsService.getLogsRange(app, currentSessionRange, bytesToRetrieveRefresh);
			LOGGER.trace("UI-{}: Logs Refresh: Next Range: {}-{}", uiId, nextRange.getStart(), nextRange.getEnd());

			// Update current range into user session
			((PersephoneUI)getUI()).getUserData().setCurrentRange(nextRange);

			// Get logs
			String newLogs = logsService.getLogs(app, nextRange);

			// Update UI
			if(!StringUtils.isEmpty(newLogs)) {

				String oldLogs = logsLabel.getValue();

				// Too much logs displayed => let's strip them out
				if(oldLogs.length() + newLogs.length() > bytesToDisplayMax) {
					newLogs = oldLogs + newLogs;
					LOGGER.trace("UI-{}: Logs Refresh: Too much logs are going to be displayed (length={}), it will be stripped to {} chars", uiId, newLogs.length(), bytesToDisplayMax);
					newLogs = newLogs.substring(newLogs.length() - bytesToDisplayMax);
					logsLabel.setValue(newLogs);
				}
				// max length not reached yet
				else {
					logsLabel.setValue(oldLogs + newLogs);
				}
			}

			scrollToBottom(panel);

			LOGGER.trace("UI-{} Logs Refresh End", uiId);
		});

		return panel;
	}
 

/**
 * Set the ContentMode
 *
 * @param contentMode The new content mode
 */
public void setContentMode(ContentMode contentMode) {
    getState().descriptionContentMode = Objects.isNull(contentMode) ? ContentMode.PREFORMATTED : contentMode;
}