edu.umd.cs.findbugs.util.TestDesktopIntegration Maven / Gradle / Ivy
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SpotBugs: Because it's easy!
/*
* FindBugs - Find Bugs in Java programs
* Copyright (C) 2003-2008 University of Maryland
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package edu.umd.cs.findbugs.util;
import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.Writer;
import java.lang.reflect.Method;
import java.net.URL;
import java.net.URLConnection;
import java.util.Arrays;
import java.util.TreeSet;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.ScrollPaneConstants;
import javax.swing.SwingUtilities;
import edu.umd.cs.findbugs.SystemProperties;
/**
* @author pugh
*/
public class TestDesktopIntegration extends JPanel {
private static String[] propertyNames = { "java.version", "java.vendor", "java.vendor.url", "java.home",
"java.vm.specification.version", "java.vm.specification.vendor", "java.vm.specification.name", "java.vm.version",
"java.vm.vendor", "java.vm.name", "java.specification.version", "java.specification.vendor",
"java.specification.name", "java.class.version", "java.class.path", "java.library.path", "java.io.tmpdir",
"java.compiler", "java.ext.dirs", "os.name", "os.arch", "os.version", "file.separator", "path.separator",
"line.separator", "user.name", "user.home", "user.dir" };
public static void main(String args[]) throws Exception {
String u = SystemProperties.getProperty("findbugs.browserTestURL", "http://findbugs.sourceforge.net/");
url = new URL(u);
SwingUtilities.invokeLater(() -> createAndShowGUI());
}
private static void createAndShowGUI() {
// Create and set up the window.
JFrame frame = new JFrame("SpotBugs browser integration Test");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
// Add content to the window.
frame.add(new TestDesktopIntegration());
// Display the window.
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
JTextArea console = new JTextArea(24, 80);
static URL url;
class ConsoleWriter extends Writer {
@Override
public void close() throws IOException {
}
/*
* (non-Javadoc)
*
* @see java.io.Writer#flush()
*/
@Override
public void flush() throws IOException {
}
/*
* (non-Javadoc)
*
* @see java.io.Writer#write(char[], int, int)
*/
@Override
public void write(char[] cbuf, int off, int len) throws IOException {
console.append(new String(cbuf, off, len));
}
}
PrintWriter writer = new PrintWriter(new ConsoleWriter());
static final boolean SHOW_CONSOLE = SystemProperties.getBoolean("showConsole");
static final boolean SHOW_FILE_CHOOSER = SystemProperties.getBoolean("showFileChooser");
public TestDesktopIntegration() {
setLayout(new BorderLayout());
JPanel top = new JPanel();
top.setLayout(new FlowLayout());
add(top, SHOW_CONSOLE ? BorderLayout.NORTH : BorderLayout.CENTER);
if (SHOW_CONSOLE) {
JScrollPane scrollPane = new JScrollPane(console, ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS,
ScrollPaneConstants.HORIZONTAL_SCROLLBAR_ALWAYS);
console.setEditable(false);
console.setLineWrap(true);
add(scrollPane);
} else {
add(new JLabel("These buttons should view " + url), BorderLayout.NORTH);
}
if (LaunchBrowser.desktopFeasible()) {
JButton desktop = new JButton("Use java.awt.Desktop");
desktop.addActionListener(e -> {
try {
writer.println("Launch via desktop of " + url);
LaunchBrowser.viaDesktop(url.toURI());
writer.println("Launch via desktop completed");
} catch (Throwable e1) {
writer.println("Launch via desktop failed");
e1.printStackTrace(writer);
}
writer.flush();
});
top.add(desktop);
} else {
writer.println("Desktop unavailable");
LaunchBrowser.desktopException.printStackTrace(writer);
}
if (LaunchBrowser.webstartFeasible()) {
JButton jnlp = new JButton("Use jnlp");
jnlp.addActionListener(e -> {
try {
writer.println("Launch via jnlp of " + url);
JavaWebStart.viaWebStart(url);
writer.println("Launch via jnlp completed");
} catch (Throwable e1) {
writer.println("Launch via jnlp failed");
e1.printStackTrace(writer);
}
writer.flush();
});
top.add(jnlp);
}
JButton exec = new JButton("exec " + LaunchBrowser.execCommand);
top.add(exec);
if (LaunchBrowser.launchViaExec) {
exec.addActionListener(e -> {
try {
writer.println("Launch via exec " + LaunchBrowser.execCommand);
writer.println("url: " + url);
Process p = LaunchBrowser.launchViaExec(url);
Thread.sleep(3000);
int exitValue = p.exitValue();
writer.println("Exit code: " + exitValue);
writer.println("Launch via exec completed");
} catch (Throwable e1) {
writer.println("Launch via exec threw exception");
e1.printStackTrace(writer);
}
writer.flush();
});
} else {
exec.setEnabled(false);
}
if (SHOW_FILE_CHOOSER) {
JButton chooseFile = new JButton("Choose file");
top.add(chooseFile);
chooseFile.addActionListener(e -> {
final JFileChooser fc = new JFileChooser();
int retvel = fc.showOpenDialog(TestDesktopIntegration.this);
if (retvel == JFileChooser.APPROVE_OPTION) {
File file = fc.getSelectedFile();
try {
writer.println("File chosen:");
writer.println("File path: " + file.getAbsolutePath());
writer.println("File canonical path: " + file.getCanonicalPath());
writer.println("File uri: " + file.toURI());
writer.println("File url: " + file.toURI().toURL());
} catch (Exception e1) {
e1.printStackTrace(writer);
}
writer.flush();
}
});
}
if (SHOW_CONSOLE) {
writer.println("System properties:");
TreeSet props = new TreeSet<>();
for (Object o : System.getProperties().keySet()) {
if (o instanceof String) {
props.add((String) o);
}
}
props.addAll(Arrays.asList(propertyNames));
for (String p : props) {
try {
writer.println(" " + p + "=" + System.getProperty(p));
} catch (Throwable e) {
writer.println("Unable to get property " + p);
}
}
try {
Class serviceManagerClass = Class.forName("javax.jnlp.ServiceManager");
Method getServiceNamesMethod = serviceManagerClass.getMethod("getServiceNames", new Class[] {});
Method lookupMethod = serviceManagerClass.getMethod("lookup", new Class[] { String.class });
String[] serviceNames = (String[]) getServiceNamesMethod.invoke(null, new Object[] {});
writer.println("JNLP service providers:");
for (String s : serviceNames) {
Object o = lookupMethod.invoke(null, new Object[] { s });
writer.println(" " + s + " = " + o.getClass().getName());
}
} catch (Exception e) {
writer.println("unable to get JNLP service provider:");
e.printStackTrace(writer);
}
String sampleURL = System.getProperty("findbugs.sampleURL");
if (sampleURL != null) {
try {
URL u = new URL(sampleURL);
writer.println("Checking access to " + u);
URLConnection c = u.openConnection();
writer.println("Content type: " + c.getContentType());
writer.println("Content length: " + c.getContentLength());
} catch (Throwable e) {
e.printStackTrace(writer);
}
}
}
}
}