com.networknt.oauth.client.handler.Oauth2ClientGetHandler Maven / Gradle / Ivy

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package com.networknt.oauth.client.handler;

import com.hazelcast.map.IMap;
import com.hazelcast.query.PagingPredicate;
import com.hazelcast.query.Predicates;
import com.hazelcast.query.impl.predicates.LikePredicate;
import com.networknt.config.JsonMapper;
import com.networknt.handler.LightHttpHandler;
import com.networknt.oauth.cache.CacheStartupHookProvider;
import com.networknt.oauth.cache.model.Client;
import io.undertow.server.HttpServerExchange;
import io.undertow.util.HttpString;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.*;

public class Oauth2ClientGetHandler  extends ClientAuditHandler implements LightHttpHandler {
    static final Logger logger = LoggerFactory.getLogger(Oauth2ClientGetHandler.class);

    @Override
    public void handleRequest(HttpServerExchange exchange) throws Exception {
        IMap clients = CacheStartupHookProvider.hz.getMap("clients");
        Deque hostDeque = exchange.getQueryParameters().get("host");
        String host = hostDeque == null ? "%" : hostDeque.getFirst() + "%";

        int page = Integer.valueOf(exchange.getQueryParameters().get("page").getFirst());
        Deque pageSizeDeque = exchange.getQueryParameters().get("pageSize");
        int pageSize = pageSizeDeque == null? 10 : Integer.valueOf(pageSizeDeque.getFirst());

        LikePredicate likePredicate = new LikePredicate("host", host);

        PagingPredicate pagingPredicate = Predicates.pagingPredicate(likePredicate, pageSize);
        pagingPredicate.setPage(page);
        Collection values = clients.values(pagingPredicate);

        List results = new ArrayList();
        for (Client value : values) {
            Client c = Client.copyClient(value);
            c.setClientSecret(null);
            results.add(c);
        }
        Map map = new HashMap<>();
        map.put("clients", results);
        map.put("total", clients.size());
        exchange.getResponseHeaders().add(new HttpString("Content-Type"), "application/json");
        exchange.getResponseSender().send(JsonMapper.toJson(map));
        processAudit(exchange);
    }
}