use of org.lightcouch.CouchDbClient in project logging-log4j2 by apache.
the class CouchDbProvider method createNoSqlProvider.
/**
* Factory method for creating an Apache CouchDB provider within the plugin manager.
*
* @param databaseName The name of the database to which log event documents will be written.
* @param protocol Either "http" or "https," defaults to "http" and mutually exclusive with
* {@code factoryClassName&factoryMethodName!=null}.
* @param server The host name of the CouchDB server, defaults to localhost and mutually exclusive with
* {@code factoryClassName&factoryMethodName!=null}.
* @param port The port that CouchDB is listening on, defaults to 80 if {@code protocol} is "http" and 443 if
* {@code protocol} is "https," and mutually exclusive with
* {@code factoryClassName&factoryMethodName!=null}.
* @param username The username to authenticate against the MongoDB server with, mutually exclusive with
* {@code factoryClassName&factoryMethodName!=null}.
* @param password The password to authenticate against the MongoDB server with, mutually exclusive with
* {@code factoryClassName&factoryMethodName!=null}.
* @param factoryClassName A fully qualified class name containing a static factory method capable of returning a
* {@link CouchDbClient} or {@link CouchDbProperties}.
* @param factoryMethodName The name of the public static factory method belonging to the aforementioned factory
* class.
* @return a new Apache CouchDB provider.
*/
@PluginFactory
public static CouchDbProvider createNoSqlProvider(@PluginAttribute("databaseName") final String databaseName, @PluginAttribute("protocol") String protocol, @PluginAttribute(value = "server", defaultString = "localhost") @ValidHost String server, @PluginAttribute(value = "port", defaultString = "0") @ValidPort final String port, @PluginAttribute("username") final String username, @PluginAttribute(value = "password", sensitive = true) final String password, @PluginAttribute("factoryClassName") final String factoryClassName, @PluginAttribute("factoryMethodName") final String factoryMethodName) {
CouchDbClient client;
String description;
if (Strings.isNotEmpty(factoryClassName) && Strings.isNotEmpty(factoryMethodName)) {
try {
final Class<?> factoryClass = LoaderUtil.loadClass(factoryClassName);
final Method method = factoryClass.getMethod(factoryMethodName);
final Object object = method.invoke(null);
if (object instanceof CouchDbClient) {
client = (CouchDbClient) object;
description = "uri=" + client.getDBUri();
} else if (object instanceof CouchDbProperties) {
final CouchDbProperties properties = (CouchDbProperties) object;
client = new CouchDbClient(properties);
description = "uri=" + client.getDBUri() + ", username=" + properties.getUsername() + ", passwordHash=" + NameUtil.md5(password + CouchDbProvider.class.getName()) + ", maxConnections=" + properties.getMaxConnections() + ", connectionTimeout=" + properties.getConnectionTimeout() + ", socketTimeout=" + properties.getSocketTimeout();
} else if (object == null) {
LOGGER.error("The factory method [{}.{}()] returned null.", factoryClassName, factoryMethodName);
return null;
} else {
LOGGER.error("The factory method [{}.{}()] returned an unsupported type [{}].", factoryClassName, factoryMethodName, object.getClass().getName());
return null;
}
} catch (final ClassNotFoundException e) {
LOGGER.error("The factory class [{}] could not be loaded.", factoryClassName, e);
return null;
} catch (final NoSuchMethodException e) {
LOGGER.error("The factory class [{}] does not have a no-arg method named [{}].", factoryClassName, factoryMethodName, e);
return null;
} catch (final Exception e) {
LOGGER.error("The factory method [{}.{}()] could not be invoked.", factoryClassName, factoryMethodName, e);
return null;
}
} else if (Strings.isNotEmpty(databaseName)) {
if (protocol != null && protocol.length() > 0) {
protocol = protocol.toLowerCase();
if (!protocol.equals("http") && !protocol.equals("https")) {
LOGGER.error("Only protocols [http] and [https] are supported, [{}] specified.", protocol);
return null;
}
} else {
protocol = "http";
LOGGER.warn("No protocol specified, using default port [http].");
}
final int portInt = TypeConverters.convert(port, int.class, protocol.equals("https") ? HTTPS : HTTP);
if (Strings.isEmpty(username) || Strings.isEmpty(password)) {
LOGGER.error("You must provide a username and password for the CouchDB provider.");
return null;
}
client = new CouchDbClient(databaseName, false, protocol, server, portInt, username, password);
description = "uri=" + client.getDBUri() + ", username=" + username + ", passwordHash=" + NameUtil.md5(password + CouchDbProvider.class.getName());
} else {
LOGGER.error("No factory method was provided so the database name is required.");
return null;
}
return new CouchDbProvider(client, description);
}
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