io.vertx.tp.ke.init.KePin Maven / Gradle / Ivy
package io.vertx.tp.ke.init;
import io.vertx.core.json.JsonArray;
import io.vertx.core.json.JsonObject;
import io.vertx.tp.optic.atom.Lexeme;
import io.vertx.up.util.Ut;
import java.util.Objects;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
/*
* Cross Infix management here as bus
* It's defined interface / abstract only and management uniform
*/
public class KePin {
private static final String TUNNEL_CONFIG = "plugin/channel.json";
private static final ConcurrentMap LEXEME_MAP
= new ConcurrentHashMap<>();
/*
* Static initialization for loading configuration
*/
static {
init();
}
public static Lexeme get(final Class interfaceCls) {
/* Lazy initialization */
if (LEXEME_MAP.isEmpty()) {
init();
}
return LEXEME_MAP.getOrDefault(interfaceCls.getName(), null);
}
private static void init() {
final JsonObject config = Ut.ioJObject(TUNNEL_CONFIG);
if (!Ut.isNil(config)) {
/*
* Load information here.
*/
final JsonArray channels = config.getJsonArray("channels");
channels.stream().filter(Objects::nonNull)
.map(item -> (JsonObject) item)
.map(Lexeme::new)
.filter(Lexeme::isValid)
.forEach(lexeme -> LEXEME_MAP.put(lexeme.getInterfaceCls().getName(), lexeme));
}
}
}