// todo[r.sh] drop after migration on Java 7
private static void loadSnappyForJRockit() throws Exception {
String vmName = System.getProperty("java.vm.name");
if (vmName == null || !vmName.toLowerCase().contains("jrockit")) {
return;
}
byte[] bytes;
InputStream in =
StartupUtil.class.getResourceAsStream("/org/xerial/snappy/SnappyNativeLoader.bytecode");
try {
bytes = FileUtil.loadBytes(in);
} finally {
in.close();
}
ClassLoader classLoader = StartupUtil.class.getClassLoader();
Method defineClass =
ClassLoader.class.getDeclaredMethod(
"defineClass", String.class, byte[].class, int.class, int.class);
defineClass.setAccessible(true);
Class<?> loaderClass =
(Class<?>)
defineClass.invoke(
classLoader, "org.xerial.snappy.SnappyNativeLoader", bytes, 0, bytes.length);
loaderClass = classLoader.loadClass(loaderClass.getName());
String[] classes = {
"org.xerial.snappy.SnappyNativeAPI",
"org.xerial.snappy.SnappyNative",
"org.xerial.snappy.SnappyErrorCode"
};
for (String aClass : classes) {
classLoader.loadClass(aClass);
}
Method loadNativeLibrary =
SnappyLoader.class.getDeclaredMethod("loadNativeLibrary", Class.class);
loadNativeLibrary.setAccessible(true);
loadNativeLibrary.invoke(null, loaderClass);
}
boolean tryDir(String d) {
ClassLoader L = getClass().getClassLoader();
File p = new File(d, PACKAGE);
// System.out.println("Try "+p);
if (!p.exists() || !p.isDirectory()) return false;
for (File f : p.listFiles()) {
String s = f.getName();
if (!s.endsWith(".class")) continue;
String name = s.substring(0, s.length() - 6);
try {
Class<?> c = L.loadClass(PACKAGE + "." + name);
if (!Quotation.class.isAssignableFrom(c)) continue;
Q.put(name, (Quotation) c.newInstance());
System.out.println(" " + name);
// ClassNotFoundException InstantiationException IllegalAccessException
} catch (Exception e) {
continue;
}
}
return Q.size() > 0;
}
/** Look on disk for an editor with the class name 'ocName'. */
PluggableEditor loadEditorFromDisk(String ocName) {
// if here, we need to look on disk for a pluggable editor class...
log.finer("looking for ocName: " + ocName);
try {
Class c = myLoader.loadClass(ocName);
Constructor constructor = c.getConstructor(new Class[0]);
// XXX If the pluggable editor has an error in the constructor, under some
// XXX circumstances it can fail so badly that this call never returns, and
// XXX the thread hangs! It doesn't even get to the exception handler below...
// XXX but sometimes if the constructor fails everything works as expected. Wierd.
PluggableEditor editor = (PluggableEditor) constructor.newInstance(new Object[0]);
editors.put(ocName, editor); // add the new editor to our list
return editor;
} catch (Exception e) // expected condition - just means no pluggable editor available
{
if (e
instanceof
InvocationTargetException) // rare exception - an error was encountered in the plugin's
// constructor.
{
log.warning("unable to load special editor for: '" + ocName + "' " + e);
if (JXConfig.debugLevel >= 1) {
log.warning("Error loading plugin class: ");
((InvocationTargetException) e).getTargetException().printStackTrace();
}
}
log.log(Level.FINEST, "'Expected' Error loading " + ocName, e);
editors.put(ocName, NONE); // add a blank place holder - we can't load
// an editor for this, and there's no point looking again. (change if want dynamic loading,
// i.e. look *every* time)
}
return null; // only here if an error has occured.
}
public QSAdminGUI(QSAdminMain qsadminMain, JFrame parentFrame) {
this.parentFrame = parentFrame;
Container cp = this;
qsadminMain.setGUI(this);
cp.setLayout(new BorderLayout(5, 5));
headerPanel = new HeaderPanel(qsadminMain, parentFrame);
mainCommandPanel = new MainCommandPanel(qsadminMain);
cmdConsole = new CmdConsole(qsadminMain);
propertiePanel = new PropertiePanel(qsadminMain);
if (headerPanel == null
|| mainCommandPanel == null
|| cmdConsole == null
|| propertiePanel == null) {
throw new RuntimeException("Loading of one of gui component failed.");
}
headerPanel.setBorder(BorderFactory.createEmptyBorder(0, 5, 0, 5));
cp.add(headerPanel, BorderLayout.NORTH);
JScrollPane propertieScrollPane = new JScrollPane(propertiePanel);
// JScrollPane commandScrollPane = new JScrollPane(mainCommandPanel);
JSplitPane splitPane =
new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, true, mainCommandPanel, cmdConsole);
splitPane.setOneTouchExpandable(false);
splitPane.setDividerLocation(250);
// splitPane.setDividerLocation(0.70);
tabbedPane = new JTabbedPane(JTabbedPane.TOP);
tabbedPane.addTab("Main", ball, splitPane, "Main Commands");
tabbedPane.addTab("Get/Set", ball, propertieScrollPane, "Properties Panel");
QSAdminPluginConfig qsAdminPluginConfig = null;
PluginPanel pluginPanel = null;
// -- start of loadPlugins
try {
File xmlFile = null;
ClassLoader classLoader = null;
Class mainClass = null;
File file = new File(pluginDir);
File dirs[] = null;
if (file.canRead()) dirs = file.listFiles(new DirFileList());
for (int i = 0; dirs != null && i < dirs.length; i++) {
xmlFile = new File(dirs[i].getAbsolutePath() + File.separator + "plugin.xml");
if (xmlFile.canRead()) {
qsAdminPluginConfig = PluginConfigReader.read(xmlFile);
if (qsAdminPluginConfig.getActive().equals("yes")
&& qsAdminPluginConfig.getType().equals("javax.swing.JPanel")) {
classLoader = ClassUtil.getClassLoaderFromJars(dirs[i].getAbsolutePath());
mainClass = classLoader.loadClass(qsAdminPluginConfig.getMainClass());
logger.fine("Got PluginMainClass " + mainClass);
pluginPanel = (PluginPanel) mainClass.newInstance();
if (JPanel.class.isInstance(pluginPanel) == true) {
logger.info("Loading plugin : " + qsAdminPluginConfig.getName());
pluginPanelMap.put("" + (2 + i), pluginPanel);
plugins.add(pluginPanel);
tabbedPane.addTab(
qsAdminPluginConfig.getName(),
ball,
(JPanel) pluginPanel,
qsAdminPluginConfig.getDesc());
pluginPanel.setQSAdminMain(qsadminMain);
pluginPanel.init();
}
} else {
logger.info(
"Plugin "
+ dirs[i]
+ " is disabled so skipping "
+ qsAdminPluginConfig.getActive()
+ ":"
+ qsAdminPluginConfig.getType());
}
} else {
logger.info("No plugin configuration found in " + xmlFile + " so skipping");
}
}
} catch (Exception e) {
logger.warning("Error loading plugin : " + e);
logger.fine("StackTrace:\n" + MyString.getStackTrace(e));
}
// -- end of loadPlugins
tabbedPane.addChangeListener(
new ChangeListener() {
int selected = -1;
int oldSelected = -1;
public void stateChanged(ChangeEvent e) {
// if plugin
selected = tabbedPane.getSelectedIndex();
if (selected >= 2) {
((PluginPanel) pluginPanelMap.get("" + selected)).activated();
}
if (oldSelected >= 2) {
((PluginPanel) pluginPanelMap.get("" + oldSelected)).deactivated();
}
oldSelected = selected;
}
});
// tabbedPane.setBorder(BorderFactory.createEmptyBorder(0,5,5,5));
cp.add(tabbedPane, BorderLayout.CENTER);
buildMenu();
}
