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A application used as an example on how to set up pushing its components to the Central Repository.

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/*
 * Copyright (c) 2015 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.clusterra.pmbok.server;

import com.clusterra.freemarker.renderer.resolvehost.HostResolver;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.Validate;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.util.Assert;
import org.springframework.web.context.request.RequestAttributes;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;

/**
 * Created by Denis Kuchugurov
 * on 26/07/15 11:37.
 */
public class HostResolverImpl implements HostResolver {

    private static final Logger LOGGER = LoggerFactory.getLogger(HostResolverImpl.class);

    public String resolveHost() {

        HttpServletRequest request = getCurrentRequest();

        String scheme = request.getScheme();
        String serverName = request.getServerName();
        int serverPort = request.getServerPort();
        String colon = serverPort > 0 ? ":" : "";
        String port = serverPort > 0 ? Integer.valueOf(serverPort).toString() : "";
        String host = StringUtils.join(scheme, "://", serverName, colon, port);
        LOGGER.info("resolved host from http request: {}", host);
        return host;
    }

    private HttpServletRequest getCurrentRequest() {

        RequestAttributes requestAttributes = RequestContextHolder.getRequestAttributes();

        Validate.notNull(requestAttributes, "current request is null, via RequestContextHolder");

        Assert.isInstanceOf(ServletRequestAttributes.class, requestAttributes);

        HttpServletRequest servletRequest = ((ServletRequestAttributes) requestAttributes).getRequest();

        Validate.notNull(servletRequest, "HttpServletRequest is null");
        return servletRequest;
    }
}