org.exoplatform.cms.Utils.java Source code

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Here is the source code for org.exoplatform.cms.Utils.java

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/***************************************************************************
 * Copyright (C) 2003-2007 BigB.
 *
 * 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.
 *
 * 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.exoplatform.cms;

import java.text.Format;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;

import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;

import org.apache.commons.lang.StringUtils;
import org.exoplatform.cms.common.CommonUtils;
import org.exoplatform.portal.application.PortalRequestContext;
import org.exoplatform.portal.webui.util.Util;

/**
 * Created by The eXo Platform SARL 
 * Author : Vu Duy Tu 
 *          tu.duy@exoplatform.com 
 * June 24, 2010 5:35:54 PM
 */

public class Utils {
    public static final String POLL = "Poll".intern();

    public static final String POLL_ID_SHOW = "pollIdShow".intern();

    public static final int MAXSIGNATURE = 300;

    public static final int MAXTITLE = 100;

    public static final long MAXMESSAGE = 10000;

    public static String getFormatDate(String format, Date myDate) {
        /*
         * h,hh,H, m, mm, d, dd, DDD, DDDD, M, MM, MMM, MMMM, yy, yyyy
         */
        if (myDate == null)
            return "";
        if (!isEmpty(format)) {
            if (format.indexOf("DDDD") >= 0)
                format = format.replaceAll("DDDD", "EEEE");
            if (format.indexOf("DDD") >= 0)
                format = format.replaceAll("DDD", "EEE");
        }
        PortalRequestContext portalContext = Util.getPortalRequestContext();
        Locale locale = new Locale(portalContext.getLocale().getLanguage(), portalContext.getLocale().getCountry());
        Format formatter = new SimpleDateFormat(format, locale);
        return formatter.format(myDate);
    }

    public static boolean isValidEmailAddresses(String addressList) throws Exception {
        if (isEmpty(addressList))
            return true;
        addressList = StringUtils.remove(addressList, " ");
        addressList = StringUtils.replace(addressList, ";", ",");
        try {
            InternetAddress[] iAdds = InternetAddress.parse(addressList, true);
            String emailRegex = "[_A-Za-z0-9-]+(\\.[_A-Za-z0-9-]+)*@[_A-Za-z0-9-.]+\\.[A-Za-z]{2,5}";
            for (int i = 0; i < iAdds.length; i++) {
                if (!iAdds[i].getAddress().matches(emailRegex))
                    return false;
            }
        } catch (AddressException e) {
            return false;
        }
        return true;
    }

    public static boolean isEmpty(String str) {
        if (str == null || str.trim().length() == 0)
            return true;
        else
            return false;
    }

    public static String removeZeroFirstNumber(String str) {
        if (!isEmpty(str)) {
            str = str.trim();
            StringBuilder s = new StringBuilder();
            int i = 0;
            while ((i + 1) < str.length() && (str.charAt(i) == '0' || str.charAt(i) == ' ')) {
                s.append(str.charAt(i));
                ++i;
            }
            str = str.replaceFirst(s.toString(), "");
        }
        return str;
    }

    public static String getSubString(String str, int max) {
        if (!isEmpty(str)) {
            int l = str.length();
            if (l > max) {
                str = str.substring(0, max);
                int space = str.lastIndexOf(" ");
                if (space > (max - 6))
                    str = str.substring(0, space) + "...";
                else
                    str = str + "...";
            }
        }
        return str;
    }

    public static String[] getColor() {
        return new String[] { "blue", "DarkGoldenRod", "green", "yellow", "BlueViolet", "orange", "darkBlue",
                "IndianRed", "DarkCyan", "lawnGreen" };
    }

    public static String getExpire(long timeOut, Date modifiDate, String[] dateUnit) {
        if (timeOut == 0)
            return dateUnit[0];
        else {
            Calendar calendar = CommonUtils.getGreenwichMeanTime();
            long timeEnd = (timeOut < 1000) ? (modifiDate.getTime() + timeOut * 86400000) : timeOut;
            long l = timeEnd - calendar.getTimeInMillis();
            if (l < 0)
                return dateUnit[1];
            long m = (long) l / 60000;
            if (m > 60) {
                long h = (long) m / 60;
                if (h > 24) {
                    long d = (long) h / 24;
                    return d + " " + dateUnit[2] + ", " + (h - d * 24) + " " + dateUnit[3] + ", " + (m - h * 60)
                            + " " + dateUnit[4];
                } else {
                    return h + " " + dateUnit[3] + ", " + (m - h * 60) + dateUnit[4];
                }
            }
            return m + " " + dateUnit[4];
        }
    }
}