org.joyqueue.handler.binder.OperatorBinder Maven / Gradle / Ivy

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/**
 * Copyright 2019 The JoyQueue Authors.
 *
 * 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 org.joyqueue.handler.binder;


import org.joyqueue.handler.annotation.Operator;
import org.joyqueue.handler.Constants;
import org.joyqueue.model.domain.Application;
import org.joyqueue.model.domain.Identity;
import org.joyqueue.model.domain.User;
import com.jd.laf.binding.binder.Binder;
import com.jd.laf.binding.reflect.exception.ReflectionException;
import io.vertx.ext.web.RoutingContext;

/**
 * operator binder
 * Created by chenyanying3 on 19-3-13.
 */
public class OperatorBinder implements Binder {

    @Override
    public boolean bind(final Context context) throws ReflectionException {
        if (context == null) {
            return false;
        }
        Object obj = context.getSource();
        if (!(obj instanceof RoutingContext)) {
            return false;
        }
        RoutingContext ctx = (RoutingContext) obj;
        Application application = ctx.get(Constants.APPLICATION);
        User session = ctx.get(Constants.USER_KEY);
        Identity identity = session != null ? new Identity(session) : (application != null ? application.getOwner() : null);
        return context.bind(identity);
    }

    @Override
    public Class annotation() {
        return Operator.class;
    }
}