com.github.tomakehurst.wiremock.jetty9.JettyHttpServerFactory Maven / Gradle / Ivy

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A web service test double for all occasions
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/*
 * Copyright (C) 2011 Thomas Akehurst
 *
 * 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.tomakehurst.wiremock.jetty9;

import com.github.tomakehurst.wiremock.common.Exceptions;
import com.github.tomakehurst.wiremock.core.Options;
import com.github.tomakehurst.wiremock.http.AdminRequestHandler;
import com.github.tomakehurst.wiremock.http.HttpServer;
import com.github.tomakehurst.wiremock.http.HttpServerFactory;
import com.github.tomakehurst.wiremock.http.StubRequestHandler;

import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;

public class JettyHttpServerFactory implements HttpServerFactory {

    private static final Constructor SERVER_CONSTRUCTOR = getServerConstructor();

    @SuppressWarnings("unchecked")
    private static Constructor getServerConstructor() {
        try {
            Class serverClass = (Class) Class.forName("com.github.tomakehurst.wiremock.jetty94.Jetty94HttpServer");
            return safelyGetConstructor(serverClass, Options.class, AdminRequestHandler.class, StubRequestHandler.class);
        } catch (ClassNotFoundException e) {
            try {
                Class serverClass = (Class) Class.forName("com.github.tomakehurst.wiremock.jetty92.Jetty92HttpServer");
                return safelyGetConstructor(serverClass, Options.class, AdminRequestHandler.class, StubRequestHandler.class);
            } catch (ClassNotFoundException cnfe) {
                return safelyGetConstructor(JettyHttpServer.class, Options.class, AdminRequestHandler.class, StubRequestHandler.class);
            }
        }
    }

    @SuppressWarnings("unchecked")
    private static  Constructor safelyGetConstructor(Class clazz, Class... parameterTypes) {
        try {
            return clazz.getConstructor(parameterTypes);
        } catch (NoSuchMethodException e) {
            return Exceptions.throwUnchecked(e, Constructor.class);
        }
    }

    @Override
    public HttpServer buildHttpServer(
            Options options,
            AdminRequestHandler adminRequestHandler,
            StubRequestHandler stubRequestHandler
    ) {
        try {
            return SERVER_CONSTRUCTOR.newInstance(options, adminRequestHandler, stubRequestHandler);
        } catch (InstantiationException | IllegalAccessException e) {
            return Exceptions.throwUnchecked(e, HttpServer.class);
        } catch (InvocationTargetException e) {
            return Exceptions.throwUnchecked(e.getCause(), null);
        }
    }
}