/*
 * This library is part of OpenCms -
 * the Open Source Content Management System
 *
 * Copyright (c) Alkacon Software GmbH (http://www.alkacon.com)
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * For further information about Alkacon Software GmbH, please see the
 * company website: http://www.alkacon.com
 *
 * For further information about OpenCms, please see the
 * project website: http://www.opencms.org
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package org.opencms.monitor;

import org.opencms.util.CmsStringUtil;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

/**
 * Memory Monitor configuration class.<p>
 * 
 * @since 6.0.0 
 */
public class CmsMemoryMonitorConfiguration {

    /** The memory monitor class name. */
    private String m_className;

    /** The interval to use for sending emails. */
    private int m_emailInterval;

    /** Receivers for status emails. */
    private List<String> m_emailReceiver;

    /** Sender for status emails. */
    private String m_emailSender;

    /** The interval to use for the logging. */
    private int m_logInterval;

    /** Memory limit that triggers a warning. */
    private int m_maxUsagePercent;

    /** The interval to use for warnings if status is disabled. */
    private int m_warningInterval;

    /**
     * Constructor with default values.<p>
     */
    public CmsMemoryMonitorConfiguration() {

        m_emailReceiver = new ArrayList<String>();
    }

    /**
     * Sets the emailReceiver.<p>
     *
     * @param emailReceiver the emailReceiver to set
     */
    public void addEmailReceiver(String emailReceiver) {

        m_emailReceiver.add(emailReceiver);
    }

    /**
     * Returns the name of the memory monitor class.<p>
     *
     * @return the name of the memory monitor class
     */
    public String getClassName() {

        return m_className;
    }

    /**
     * Returns the intervalEmail.<p>
     *
     * @return the intervalEmail
     */
    public int getEmailInterval() {

        return m_emailInterval;
    }

    /**
     * Returns a List of receiver.<p>
     *
     * @return a List of receiver
     */
    public List<String> getEmailReceiver() {

        Collections.sort(m_emailReceiver);
        return m_emailReceiver;
    }

    /**
     * Returns the emailSender.<p>
     *
     * @return the emailSender
     */
    public String getEmailSender() {

        return m_emailSender;
    }

    /**
     * Returns the intervalLog.<p>
     *
     * @return the intervalLog
     */
    public int getLogInterval() {

        return m_logInterval;
    }

    /**
     * Returns the maxUsagePercent.<p>
     *
     * @return the maxUsagePercent
     */
    public int getMaxUsagePercent() {

        return m_maxUsagePercent;
    }

    /**
     * Returns the intervalWarning.<p>
     *
     * @return the intervalWarning
     */
    public int getWarningInterval() {

        return m_warningInterval;
    }

    /**
     * Initializes the configuration with the required parameters.<p>
     * 
     * @param className the name of the memory monitor class
     * @param maxUsagePercent the max usage percent value
     * @param logInterval the interval to log
     * @param emailInterval the interval to send email
     * @param warningInterval the interval to warn
     */
    public void initialize(
        String className,
        String maxUsagePercent,
        String logInterval,
        String emailInterval,
        String warningInterval) {

        m_className = className;
        m_maxUsagePercent = Integer.parseInt(maxUsagePercent);
        m_logInterval = Integer.parseInt(logInterval);
        try {
            m_emailInterval = Integer.parseInt(emailInterval);
        } catch (NumberFormatException e) {
            // throw exception, when email interval is not null, or not an empty/whitespace string
            if (CmsStringUtil.isNotEmptyOrWhitespaceOnly(emailInterval)) {
                throw new NumberFormatException();
            }
        }
        m_warningInterval = Integer.parseInt(warningInterval);
    }

    /**
     * Sets the emailSender.<p>
     *
     * @param emailSender the emailSender to set
     */
    public void setEmailSender(String emailSender) {

        m_emailSender = emailSender;
    }
}