@Override
protected synchronized Class<?> loadClass(String name, boolean resolve)
throws ClassNotFoundException {
if (mFailClasses != null && mFailClasses.matcher(name).matches()) {
SLF4JLoggerProxy.info(this, "Ignoring matched class {}", name);
throw new ClassNotFoundException("Sorry!");
}
SLF4JLoggerProxy.info(this, "Fetching class {}", name);
return super.loadClass(name, resolve);
}
@Override
public void reconnectFeed() {
if (!reconnecting.compareAndSet(false, true)) {
return;
}
try {
if (marketDataClient != null) {
marketDataClient.stop();
}
connect();
mMarketData.resubmit();
if (marketDataClient != null && marketDataClient.isRunning()) {
SLF4JLoggerProxy.info(
org.marketcetera.core.Messages.USER_MSG_CATEGORY,
"Market Data Nexus connection established");
}
} catch (ConnectionException e) {
SLF4JLoggerProxy.error(
org.marketcetera.core.Messages.USER_MSG_CATEGORY,
"Cannot connect to the Market Data Nexus at {}:{}",
hostname,
port);
SLF4JLoggerProxy.error(
this,
e,
"Cannot connect to the Market Data Nexus at {}:{}",
e.getHostname(),
e.getPort());
} catch (UnknownHostException e) {
SLF4JLoggerProxy.error(
org.marketcetera.core.Messages.USER_MSG_CATEGORY,
"Cannot connect to the Market Data Nexus at {}:{}",
hostname,
port);
SLF4JLoggerProxy.error(
this,
e,
"Cannot connect to the Market Data Nexus at {}:{}",
e.getHostname(),
e.getPort());
} catch (CredentialsException e) {
SLF4JLoggerProxy.error(
org.marketcetera.core.Messages.USER_MSG_CATEGORY,
"The Market Data Nexus rejected the login attempt as {}",
e.getUsername());
SLF4JLoggerProxy.error(
this, e, "The Market Data Nexus rejected the login attempt as {}", e.getUsername());
} catch (Exception e) {
SLF4JLoggerProxy.error(this, e);
throw new RuntimeException(e);
} finally {
reconnecting.set(false);
}
}
@Override
public Enumeration<URL> getResources(String name) throws IOException {
if (mFailResources != null && mFailResources.matcher(name).matches()) {
SLF4JLoggerProxy.info(this, "Ignoring matched resource {}", name);
return new Enumeration<URL>() {
public boolean hasMoreElements() {
return false;
}
public URL nextElement() {
return null;
}
};
}
SLF4JLoggerProxy.info(this, "Finding resources {}", name);
final Enumeration<URL> resources = super.getResources(name);
return new Enumeration<URL>() {
public boolean hasMoreElements() {
while (resources.hasMoreElements()) {
mNext = resources.nextElement();
if (mFilterResources == null || !mFilterResources.matcher(mNext.toString()).matches()) {
return true;
} else {
SLF4JLoggerProxy.info(this, "Ignoring URL {}", mNext);
}
}
return false;
}
public URL nextElement() {
SLF4JLoggerProxy.info(this, "Returning URL {}", mNext);
return mNext;
}
private URL mNext;
};
}
/**
* Verifies all constructor parameter checks.
*
* @throws Exception if there were unexpected test failures.
*/
@Test
public void constructorChecks() throws Exception {
// strategy name
new ExpectedFailure<NullPointerException>() {
@Override
protected void run() throws Exception {
new CreateStrategyParameters("blah", null, "JAVA", new File("dontmatter"), null, false);
}
};
// language
new ExpectedFailure<NullPointerException>() {
@Override
protected void run() throws Exception {
new CreateStrategyParameters("blah", "naah", null, new File("dontmatter"), null, false);
}
};
// strategy script
new ExpectedFailure<NullPointerException>() {
@Override
protected void run() throws Exception {
new CreateStrategyParameters("blah", "naah", "JAVA", null, null, false);
}
};
// non existent strategy script
final File source = new File("doesnotexist");
new ExpectedFailure<FileNotFoundException>(source.getAbsolutePath()) {
@Override
protected void run() throws Exception {
new CreateStrategyParameters("blah", "naah", "JAVA", source, null, false);
}
};
// non readable strategy script
final File unreadable = File.createTempFile("strat", "txt");
unreadable.deleteOnExit();
unreadable.setReadable(false);
unreadable.setReadable(false, false);
// test unreadability failure only if we can make the file unreadable.
if (!unreadable.canRead()) {
new ExpectedFailure<FileNotFoundException>(unreadable.getAbsolutePath()) {
@Override
protected void run() throws Exception {
new CreateStrategyParameters("blah", "naah", "JAVA", unreadable, null, false);
}
};
} else {
SLF4JLoggerProxy.info(this, "Cannot make a test file unreadable.");
}
}
