@Test
public void testFileProducer() throws Exception {
FactoryFinder finder =
context.getFactoryFinder("META-INF/services/org/apache/camel/component/");
Class<?> factory = finder.findClass("file", "strategy.factory.");
assertNotNull("We should find the factory here.", factory);
}
/** A strategy method to lazily create the file strategy */
@SuppressWarnings("unchecked")
protected GenericFileProcessStrategy<T> createGenericFileStrategy() {
Class<?> factory = null;
try {
FactoryFinder finder =
getCamelContext().getFactoryFinder("META-INF/services/org/apache/camel/component/");
factory = finder.findClass(getScheme(), "strategy.factory.");
} catch (ClassNotFoundException e) {
if (log.isTraceEnabled()) {
log.trace("'strategy.factory.class' not found", e);
}
} catch (IOException e) {
if (log.isTraceEnabled()) {
log.trace(
"No strategy factory defined in 'META-INF/services/org/apache/camel/component/'", e);
}
}
if (factory == null) {
// use default
factory =
this.getCamelContext().getClassResolver().resolveClass(DEFAULT_STRATEGYFACTORY_CLASS);
if (factory == null) {
throw new TypeNotPresentException(DEFAULT_STRATEGYFACTORY_CLASS + " class not found", null);
}
}
try {
Method factoryMethod =
factory.getMethod("createGenericFileProcessStrategy", CamelContext.class, Map.class);
return (GenericFileProcessStrategy<T>)
ObjectHelper.invokeMethod(factoryMethod, null, getCamelContext(), getParamsAsMap());
} catch (NoSuchMethodException e) {
throw new TypeNotPresentException(
factory.getSimpleName() + ".createGenericFileProcessStrategy method not found", e);
}
}
@Override
public Producer createProducer() throws Exception {
RestApiProcessorFactory factory = null;
RestConfiguration config = getCamelContext().getRestConfiguration(componentName, true);
// lookup in registry
Set<RestApiProcessorFactory> factories =
getCamelContext().getRegistry().findByType(RestApiProcessorFactory.class);
if (factories != null && factories.size() == 1) {
factory = factories.iterator().next();
}
// lookup on classpath using factory finder to automatic find it (just add camel-swagger-java to
// classpath etc)
if (factory == null) {
String name = apiComponentName != null ? apiComponentName : config.getApiComponent();
if (name == null) {
name = DEFAULT_API_COMPONENT_NAME;
}
try {
FactoryFinder finder = getCamelContext().getFactoryFinder(RESOURCE_PATH);
Object instance = finder.newInstance(name);
if (instance instanceof RestApiProcessorFactory) {
factory = (RestApiProcessorFactory) instance;
}
} catch (NoFactoryAvailableException e) {
// ignore
}
}
if (factory != null) {
// if no explicit port/host configured, then use port from rest configuration
String host = "";
int port = 80;
if (config.getHost() != null) {
host = config.getHost();
}
int num = config.getPort();
if (num > 0) {
port = num;
}
// if no explicit hostname set then resolve the hostname
if (ObjectHelper.isEmpty(host)) {
if (config.getRestHostNameResolver() == RestConfiguration.RestHostNameResolver.allLocalIp) {
host = "0.0.0.0";
} else if (config.getRestHostNameResolver()
== RestConfiguration.RestHostNameResolver.localHostName) {
host = HostUtils.getLocalHostName();
} else if (config.getRestHostNameResolver()
== RestConfiguration.RestHostNameResolver.localIp) {
host = HostUtils.getLocalIp();
}
// no host was configured so calculate a host to use
// there should be no schema in the host (but only port)
String targetHost = host + (port != 80 ? ":" + port : "");
getParameters().put("host", targetHost);
}
// the base path should start with a leading slash
String path = getPath();
if (path != null && !path.startsWith("/")) {
path = "/" + path;
}
// whether listing of the context id's is enabled or not
boolean contextIdListing = config.isApiContextListing();
Processor processor =
factory.createApiProcessor(
getCamelContext(),
path,
getContextIdPattern(),
contextIdListing,
config,
getParameters());
return new RestApiProducer(this, processor);
} else {
throw new IllegalStateException(
"Cannot find RestApiProcessorFactory in Registry or classpath (such as the camel-swagger-java component)");
}
}
protected Class<?> findLanguageResolver(String name, CamelContext context) throws Exception {
if (languageResolver == null) {
languageResolver = context.getFactoryFinder(LANGUAGE_RESOLVER_RESOURCE_PATH);
}
return languageResolver.findClass(name);
}