io.gravitee.exchange.api.websocket.protocol.legacy.healthcheck.HealthCheckCommandAdapter Maven / Gradle / Ivy

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/*
 * Copyright © 2015 The Gravitee team (http://gravitee.io)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.gravitee.exchange.api.websocket.protocol.legacy.healthcheck;

import io.gravitee.exchange.api.channel.exception.ChannelTimeoutException;
import io.gravitee.exchange.api.command.Command;
import io.gravitee.exchange.api.command.CommandAdapter;
import io.gravitee.exchange.api.command.healtcheck.HealthCheckCommand;
import io.gravitee.exchange.api.command.healtcheck.HealthCheckReply;
import io.gravitee.exchange.api.command.healtcheck.HealthCheckReplyPayload;
import io.reactivex.rxjava3.core.Single;

/**
 * @author Guillaume LAMIRAND (guillaume.lamirand at graviteesource.com)
 * @author GraviteeSource Team
 */
public class HealthCheckCommandAdapter implements CommandAdapter {

    @Override
    public String supportType() {
        return HealthCheckCommand.COMMAND_TYPE;
    }

    @Override
    public Single adapt(final String targetId, final HealthCheckCommand command) {
        return Single.fromCallable(() -> {
            command.setReplyTimeoutMs(0);
            return command;
        });
    }

    @Override
    public Single onError(final Command command, final Throwable throwable) {
        return Single.defer(() -> {
            if (throwable instanceof ChannelTimeoutException) {
                return Single.just(new HealthCheckReply(command.getId(), new HealthCheckReplyPayload(true, null)));
            }
            return Single.error(throwable);
        });
    }
}