com.ejisto.modules.repository.WebApplicationRepository.java Source code

Introduction

Here is the source code for com.ejisto.modules.repository.WebApplicationRepository.java

Source

/*
 * Ejisto, a powerful developer assistant
 *
 * Copyright (C) 2010-2013 Celestino Bellone
 *
 * Ejisto is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Ejisto is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.ejisto.modules.repository;

import com.ejisto.core.container.WebApplication;
import org.apache.commons.lang3.StringUtils;

import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.stream.Collectors;

/**
 * Created by IntelliJ IDEA.
 * User: celestino
 * Date: 4/11/11
 * Time: 7:05 PM
 */
public class WebApplicationRepository {
    private final ConcurrentMap<String, Map<String, WebApplication<?>>> webApplications;

    public WebApplicationRepository() {
        webApplications = new ConcurrentHashMap<>();
    }

    public void registerWebApplication(String containerId, WebApplication<?> webApplication) {
        if (!webApplications.containsKey(containerId)) {
            webApplications.putIfAbsent(containerId, new HashMap<>());
        }
        webApplications.get(containerId).put(webApplication.getWebApplicationContextPath(), webApplication);
    }

    public Optional<WebApplication<?>> getRegisteredWebApplication(String containerId, String context) {
        if (StringUtils.isBlank(containerId)) {
            return Optional.empty();
        }
        return Optional.ofNullable(webApplications.get(containerId)).map(m -> m.get(context));
    }

    public void unregisterWebApplication(String containerId, String context) {
        webApplications.get(containerId).remove(context);
    }

    public void containerShutdown(String containerId) {
        changeWebApplicationsStatus(containerId, WebApplication.Status.STOPPED);
    }

    public void containerStartup(String containerId) {
        changeWebApplicationsStatus(containerId, WebApplication.Status.STARTED);
    }

    public List<WebApplication<?>> getInstalledWebApplications() {
        return webApplications.entrySet().stream().flatMap(e -> e.getValue().values().stream())
                .collect(Collectors.toList());
    }

    private void changeWebApplicationsStatus(String containerId, WebApplication.Status status) {
        Map<String, WebApplication<?>> map = webApplications.get(containerId);
        if (map == null) {
            return;
        }
        map.values().stream().forEach(w -> w.setStatus(status));
    }
}