/*
 * Copyright 2017 Huawei Technologies Co., Ltd
 *
 * 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.servicecomb.transport.rest.servlet;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;

import io.servicecomb.core.Const;
import io.servicecomb.core.Invocation;
import io.servicecomb.core.transport.AbstractTransport;
import io.servicecomb.foundation.common.net.NetUtils;
import io.servicecomb.foundation.common.net.URIEndpointObject;
import io.servicecomb.swagger.invocation.AsyncResponse;
import io.servicecomb.transport.rest.client.RestTransportClient;
import io.servicecomb.transport.rest.client.RestTransportClientManager;

@Component
public class ServletRestTransport extends AbstractTransport {
    private static final Logger LOGGER = LoggerFactory.getLogger(ServletRestTransport.class);

    @Override
    public String getName() {
        return Const.RESTFUL;
    }

    @Override
    public boolean canInit() {
        String listenAddress = ServletConfig.getLocalServerAddress();
        setListenAddressWithoutSchema(listenAddress);

        URIEndpointObject ep = (URIEndpointObject) getEndpoint().getAddress();
        if (ep == null) {
            return true;
        }

        if (NetUtils.canTcpListen(ep.getSocketAddress().getAddress(), ep.getPort())) {
            LOGGER.info("{} is not listened, skip {}.", ep.getSocketAddress(), this.getClass().getName());
            return false;
        }

        return true;
    }

    @Override
    public boolean init() {
        return deployClient();
    }

    private boolean deployClient() {
        return RestTransportClientManager.INSTANCE.getRestTransportClient(true) != null &&
            RestTransportClientManager.INSTANCE.getRestTransportClient(false) != null;
    }

    @Override
    public void send(Invocation invocation, AsyncResponse asyncResp) throws Exception {
        URIEndpointObject endpoint = (URIEndpointObject) invocation.getEndpoint().getAddress();
        RestTransportClient client =
            RestTransportClientManager.INSTANCE.getRestTransportClient(endpoint.isSslEnabled());
        client.send(invocation, asyncResp);
    }
}

/*
 * Copyright 2017 Huawei Technologies Co., Ltd
 *
 * 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.servicecomb.transport.rest.servlet;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;

import io.servicecomb.core.Const;
import io.servicecomb.core.Invocation;
import io.servicecomb.core.transport.AbstractTransport;
import io.servicecomb.foundation.common.net.URIEndpointObject;
import io.servicecomb.swagger.invocation.AsyncResponse;
import io.servicecomb.transport.rest.client.RestTransportClient;
import io.servicecomb.transport.rest.client.RestTransportClientManager;

@Component
public class ServletRestTransport extends AbstractTransport {
    private static final Logger LOGGER = LoggerFactory.getLogger(ServletRestTransport.class);

    @Override
    public String getName() {
        return Const.RESTFUL;
    }

    @Override
    public boolean canInit() {
        String listenAddress = ServletConfig.getLocalServerAddress();
        if (listenAddress == null) {
            // not publish, but can init and be RESTful client
            return true;
        }

        if (!ServletUtils.canPublishEndpoint(listenAddress)) {
            LOGGER.info("ignore transport {}.", this.getClass().getName());
            return false;
        }

        return true;
    }

    @Override
    public boolean init() {
        String listenAddress = ServletConfig.getLocalServerAddress();
        setListenAddressWithoutSchema(listenAddress);

        return deployClient();
    }

    private boolean deployClient() {
        return RestTransportClientManager.INSTANCE.getRestTransportClient(true) != null &&
                RestTransportClientManager.INSTANCE.getRestTransportClient(false) != null;
    }

    @Override
    public void send(Invocation invocation, AsyncResponse asyncResp) throws Exception {
        URIEndpointObject endpoint = (URIEndpointObject) invocation.getEndpoint().getAddress();
        RestTransportClient client =
            RestTransportClientManager.INSTANCE.getRestTransportClient(endpoint.isSslEnabled());
        client.send(invocation, asyncResp);
    }
}

make ServletRestTransport canInit logic more clear