com.nesscomputing.testing.NessHttpserverHelper.java Source code

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Here is the source code for com.nesscomputing.testing.NessHttpserverHelper.java

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/**
 * Copyright (C) 2012 Ness Computing, Inc.
 *
 * 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.nesscomputing.testing;

import java.net.URI;
import java.net.URISyntaxException;

import com.google.common.collect.Iterables;
import com.google.inject.Injector;

import com.nesscomputing.httpserver.HttpConnector;
import com.nesscomputing.httpserver.HttpServer;

/**
 * Provides linking to ness-httpserver component to
 * retrieve the actual host / port used for a tested service.
 * Written as a separate class so that ness-httpserver can be optional
 * in case that this is not used at all.
 */
final class NessHttpserverHelper {

    private NessHttpserverHelper() {
    }

    static URI getServiceUri(Injector injector) {
        HttpServer server = injector.getInstance(HttpServer.class);
        HttpConnector connector = Iterables.getOnlyElement(server.getConnectors().values());
        try {
            return new URI(connector.getScheme(), null, connector.getAddress(), connector.getPort(), null, null,
                    null);
        } catch (URISyntaxException e) {
            throw new IllegalStateException(e);
        }
    }
}