@Nullable
static ClassLoader createPluginClassLoader(
@NotNull File[] classPath,
@NotNull ClassLoader[] parentLoaders,
@NotNull IdeaPluginDescriptor pluginDescriptor) {
if (pluginDescriptor.getUseIdeaClassLoader()) {
try {
final ClassLoader loader = PluginManagerCore.class.getClassLoader();
final Method addUrlMethod = getAddUrlMethod(loader);
for (File aClassPath : classPath) {
final File file = aClassPath.getCanonicalFile();
addUrlMethod.invoke(loader, file.toURI().toURL());
}
return loader;
} catch (NoSuchMethodException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
e.printStackTrace();
}
}
PluginId pluginId = pluginDescriptor.getPluginId();
File pluginRoot = pluginDescriptor.getPath();
// if (classPath.length == 0) return null;
if (isUnitTestMode()) return null;
try {
final List<URL> urls = new ArrayList<URL>(classPath.length);
for (File aClassPath : classPath) {
final File file =
aClassPath
.getCanonicalFile(); // it is critical not to have "." and ".." in classpath
// elements
urls.add(file.toURI().toURL());
}
return new PluginClassLoader(
urls, parentLoaders, pluginId, pluginDescriptor.getVersion(), pluginRoot);
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
/**
* Try to execute given method on given object. Handles invocation target exceptions. XXX nearly
* duplicates tryMethod in JGEngine.
*
* @return null means method does not exist or returned null/void
*/
static Object tryMethod(Object o, String name, Object[] args) {
try {
Method met = JREEngine.getMethod(o.getClass(), name, args);
if (met == null) return null;
return met.invoke(o, args);
} catch (InvocationTargetException ex) {
Throwable ex_t = ex.getTargetException();
ex_t.printStackTrace();
return null;
} catch (IllegalAccessException ex) {
System.err.println("Unexpected exception:");
ex.printStackTrace();
return null;
}
}
protected synchronized Message receiveMessage() throws IOException {
if (messageBuffer.size() > 0) {
Message m = (Message) messageBuffer.get(0);
messageBuffer.remove(0);
return m;
}
try {
InetSocketAddress remoteAddress = (InetSocketAddress) channel.receive(receiveBuffer);
if (remoteAddress != null) {
int len = receiveBuffer.position();
receiveBuffer.rewind();
receiveBuffer.get(buf, 0, len);
try {
IP address = IP.fromInetAddress(remoteAddress.getAddress());
int port = remoteAddress.getPort();
extractor.appendData(buf, 0, len, new SocketDescriptor(address, port));
receiveBuffer.clear();
extractor.updateAvailableMessages();
return extractor.nextMessage();
} catch (EOFException exc) {
exc.printStackTrace();
System.err.println(buf.length + ", " + len);
} catch (InvocationTargetException exc) {
exc.printStackTrace();
} catch (IllegalAccessException exc) {
exc.printStackTrace();
} catch (InstantiationException exc) {
exc.printStackTrace();
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (InvalidCompressionMethodException e) {
e.printStackTrace();
}
}
} catch (ClosedChannelException exc) {
if (isKeepAlive()) {
throw exc;
}
}
return null;
}
