com.stratelia.silverpeas.silverpeasinitialize.ProcessInitialize.java Source code

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Here is the source code for com.stratelia.silverpeas.silverpeasinitialize.ProcessInitialize.java

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/**
 * Copyright (C) 2000 - 2013 Silverpeas
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * As a special exception to the terms and conditions of version 3.0 of
 * the GPL, you may redistribute this Program in connection with Free/Libre
 * Open Source Software ("FLOSS") applications as described in Silverpeas's
 * FLOSS exception.  You should have received a copy of the text describing
 * the FLOSS exception, and it is also available here:
 * "http://www.silverpeas.org/docs/core/legal/floss_exception.html"
 *
 * 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

/*--- formatted by Jindent 2.1, (www.c-lab.de/~jindent) 
 ---*/

package com.stratelia.silverpeas.silverpeasinitialize;

import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.util.Properties;

import org.apache.commons.io.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class ProcessInitialize implements Runnable {

    private static Logger logger = LoggerFactory.getLogger(ProcessInitialize.class);
    private File initConfiguration;

    /**
     * Constructor declaration
     * @param configurationFile
     * @see
     */
    public ProcessInitialize(File configurationFile) {
        initConfiguration = configurationFile;
    }

    /**
     * Method declaration
     * @see
     */
    @Override
    public void run() {
        processInitializeSettingsFile();
    }

    /**
     * Method declaration
     * @see
     */
    private void processInitializeSettingsFile() {
        try {
            Properties p = getPropertiesOfFile(initConfiguration);
            String initialize = p.getProperty("Initialize");
            if (initialize != null && Boolean.parseBoolean(initialize)) {
                String initClassName = p.getProperty("InitializeClass");
                Class<?> initClass = Class.forName(initClassName);
                IInitialize init = (IInitialize) initClass.newInstance();
                if (!init.Initialize()) {
                    logMessage(this, "processInitializeSettingsFile", initClassName + ".Initialize() failed.",
                            null);
                }
            }
            if (Boolean.parseBoolean(p.getProperty("CallBack"))) {
                String CallBackClass = p.getProperty("CallBackClass");
                Class<?> callBackClass = Class.forName(CallBackClass);
                CallBack callBack = (CallBack) callBackClass.newInstance();
                if (!(CallBack.class.isInstance(callBack))) {
                    throw new Exception("Class " + CallBackClass + " isn't a CallBack.");
                }
                callBack.subscribe();
            }
        } catch (Exception e) {
            logMessage(this, "processInitializeSettingsFile", e.getMessage(), e);
        }
    }

    /**
     * Method declaration
     * @param fileName
     * @return
     * @see
     */
    private Properties getPropertiesOfFile(File fileName) {
        Properties result = new Properties();
        InputStream is = null;
        try {
            is = new FileInputStream(fileName);
            result.load(is);
        } catch (Exception e) {
            logMessage(this, "getPropertiesOfFile( " + fileName + " )", e.getMessage(), e);
        } finally {
            IOUtils.closeQuietly(is);
        }
        return result;
    }

    /**
     * Method declaration
     * @param obj
     * @param debugLevel
     * @param fct
     * @param msg
     * @see
     */
    private static void logMessage(Object obj, String fct, String msg, Exception e) {
        String from = obj.getClass().getName() + "." + fct + "()";
        logger.error(from + " : " + msg, e);
        System.err.println(from + " : " + msg);
    }

}