org.craftercms.cstudio.publishing.StopServiceMain.java Source code

Introduction

Here is the source code for org.craftercms.cstudio.publishing.StopServiceMain.java

Source

/*
 * Copyright (C) 2007-2013 Crafter Software Corporation.
 *
 * This program 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.
 *
 * This program 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 org.craftercms.cstudio.publishing;

import java.io.IOException;
import java.net.ConnectException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.craftercms.cstudio.publishing.exception.PublishingException;
import org.craftercms.cstudio.publishing.servlet.StopServiceServlet;
import org.springframework.context.support.FileSystemXmlApplicationContext;

/**
 * stop receiver service
 * 
 * @author hyanghee
 *
 */
public class StopServiceMain {

    private static Log LOGGER = LogFactory.getLog(StopServiceMain.class);

    private static String PROPERTIES_NAME = "cstudioShutdownProperties";
    private static String PROP_URL = "receiver.url";
    private static String PROP_SERVICE_PATH = "servlet.stopService.path";
    private static String PROP_PORT = "receiver.port";
    private static String PROP_PASSWORD = "receiver.password";

    public static void main(String[] args) throws Exception {
        FileSystemXmlApplicationContext context = new FileSystemXmlApplicationContext(
                "classpath:spring/shutdown-context.xml");

        ReadablePropertyPlaceholderConfigurer properties = (ReadablePropertyPlaceholderConfigurer) context
                .getBean("cstudioShutdownProperties");
        if (properties != null) {
            String url = getProperty(properties, PROP_URL);
            String path = getProperty(properties, PROP_SERVICE_PATH);
            String port = getProperty(properties, PROP_PORT);
            String password = URLEncoder.encode(getProperty(properties, PROP_PASSWORD), "UTF-8");
            String target = url + ":" + port + path;
            if (LOGGER.isDebugEnabled()) {
                LOGGER.debug("Sending a stop request to " + target);
            }
            target = target + "?" + StopServiceServlet.PARAM_PASSWORD + "=" + password;
            URL serviceUrl = new URL(target);
            HttpURLConnection connection = (HttpURLConnection) serviceUrl.openConnection();
            connection.setRequestMethod("GET");
            connection.setReadTimeout(10000);
            connection.connect();
            try {
                connection.getContent();
            } catch (ConnectException e) {
                // ignore this error (server will terminate as soon as the request is sent out)
            }
        } else {
            if (LOGGER.isErrorEnabled()) {
                LOGGER.error(PROPERTIES_NAME + " is not present in shutdown-context.xml");
            }
        }
        context.close();
    }

    /**
     * read a property
     * 
     * @param properties
     * @param name
     * @return
     * @throws IOException
     * @throws PublishingException
     */
    private static String getProperty(ReadablePropertyPlaceholderConfigurer properties, String name)
            throws IOException, PublishingException {
        String value = properties.getProperty(name);
        if (value == null) {
            throw new PublishingException(name + " is not found in properties.");
        } else {
            return value;
        }
    }
}