/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied.
*
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.jmeter.visualizers;
import java.awt.BorderLayout;
import java.awt.Dimension;
import javafx.application.Platform;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.concurrent.Worker.State;
import javafx.embed.swing.JFXPanel;
import javafx.scene.Scene;
import javafx.scene.web.WebEngine;
import javafx.scene.web.WebView;
import javax.swing.BorderFactory;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JProgressBar;
import javax.swing.SwingUtilities;
import org.apache.jmeter.samplers.SampleResult;
import org.apache.jmeter.util.JMeterUtils;
/**
* {@link ResultRenderer} implementation that uses JAVAFX WebEngine to render as browser do
* @since 3.2
*/
public class RenderInBrowser extends SamplerResultTab implements ResultRenderer {
private JFXPanel jfxPanel;
private WebEngine engine;
private final JLabel lblStatus = new JLabel();
private final JProgressBar progressBar = new JProgressBar();
private JPanel browserPanel;
/** {@inheritDoc} */
@Override
public void renderResult(SampleResult sampleResult) {
String response = ViewResultsFullVisualizer
.getResponseAsString(sampleResult);
showRenderedResponse(response, sampleResult);
}
protected void showRenderedResponse(String response, SampleResult res) {
if (response == null) {
results.setText("");
return;
}
int htmlIndex = response.indexOf("<HTML"); // could be <HTML lang=""> //
// $NON-NLS-1$
// Look for a case variation
if (htmlIndex < 0) {
htmlIndex = response.indexOf("<html"); // ditto // $NON-NLS-1$
}
// If we still can't find it, just try using all of the text
if (htmlIndex < 0) {
htmlIndex = 0;
}
final String html = response.substring(htmlIndex);
if (browserPanel == null) {
browserPanel = initComponents(html);
}
browserPanel.setVisible(true);
resultsScrollPane.setViewportView(browserPanel);
Platform.runLater(() -> engine.loadContent(html));
}
private JPanel initComponents(String htmlContent) {
// Create it only in AWT Thread
jfxPanel = new JFXPanel();
createScene(htmlContent);
progressBar.setPreferredSize(new Dimension(150, 18));
progressBar.setStringPainted(true);
JPanel statusBar = new JPanel(new BorderLayout(5, 0));
statusBar.setBorder(BorderFactory.createEmptyBorder(3, 5, 3, 5));
statusBar.add(lblStatus, BorderLayout.CENTER);
statusBar.add(progressBar, BorderLayout.WEST);
JPanel panel = new JPanel(new BorderLayout());
panel.setPreferredSize(new Dimension(1024, 600));
panel.add(statusBar, BorderLayout.NORTH);
panel.add(jfxPanel, BorderLayout.CENTER);
return panel;
}
private void createScene(final String htmlContent) {
Platform.setImplicitExit(false);
Platform.runLater(new Runnable() {
@Override
public void run() {
WebView view = new WebView();
engine = view.getEngine();
engine.setOnStatusChanged(event -> SwingUtilities.invokeLater(() -> lblStatus.setText(event.getData())));
engine.getLoadWorker().workDoneProperty()
.addListener((ChangeListener<Number>) (observableValue, oldValue, newValue) -> SwingUtilities
.invokeLater(() -> progressBar.setValue(newValue.intValue())));
engine.getLoadWorker().exceptionProperty()
.addListener(new ChangeListener<Throwable>() {
@Override
public void changed(
ObservableValue<? extends Throwable> o,
Throwable old, final Throwable value) {
if (engine.getLoadWorker().getState() == State.FAILED) {
SwingUtilities.invokeLater(() -> JOptionPane
.showMessageDialog(
resultsScrollPane,
(value != null) ? engine
.getLocation()
+ "\n"
+ value.getMessage()
: engine.getLocation()
+ "\nUnexpected error.",
"Loading error...",
JOptionPane.ERROR_MESSAGE));
}
}
});
jfxPanel.setScene(new Scene(view));
}
});
}
/** {@inheritDoc} */
@Override
public String toString() {
return JMeterUtils.getResString("view_results_render_browser"); // $NON-NLS-1$
}
/* (non-Javadoc)
* @see org.apache.jmeter.visualizers.SamplerResultTab#clearData()
*/
@Override
public void clearData() {
super.clearData();
if (browserPanel == null) {
browserPanel = initComponents("");
}
Platform.runLater(() -> engine.loadContent(""));
}
}