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Spring Cloud Netflix Zuul Websocket

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/*
 * Copyright 2002-2017 the original author or 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 com.github.mthizo247.cloud.netflix.zuul.web.socket;

import java.util.Set;

/**
 * Strategy to resolve zuul properties using delegation pattern
 *
 * @author Ronald Mthombeni
 * @author Salman Noor
 */
public class CompositeZuulPropertiesResolver implements ZuulPropertiesResolver {
    private Set resolvers;

    public CompositeZuulPropertiesResolver(final Set resolvers) {
        this.resolvers = resolvers;
    }


    @Override
    public String getRouteHost(ZuulWebSocketProperties.WsBrokerage wsBrokerage) {
        String routeHost = null;
        for (ZuulPropertiesResolver resolver : resolvers) {
            routeHost = resolver.getRouteHost(wsBrokerage);
            if (routeHost != null)
                break;
        }

        return routeHost;
    }
}