net.sf.zekr.common.util.VelocityUtils.java Source code

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Here is the source code for net.sf.zekr.common.util.VelocityUtils.java

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/*
 *               In the name of Allah
 * This file is part of The Zekr Project. Use is subject to
 * license terms.
 *
 * Author:         Mohsen Saboorian
 * Start Date:     Mar 3, 2007
 */

package net.sf.zekr.common.util;

import java.util.Collection;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import net.sf.zekr.common.config.ApplicationConfig;
import net.sf.zekr.common.resource.IQuranLocation;
import net.sf.zekr.common.resource.IQuranPage;
import net.sf.zekr.engine.page.IPagingData;

import org.apache.commons.configuration.PropertiesConfiguration;
import org.apache.commons.lang.StringUtils;

/**
 * This class contains some helper methods to be used in Velocity templates. This is a replacement for velocity-tools-generic
 * library.
 * 
 * @author Mohsen Saboorian
 * @since Zekr 1.0
 */
public class VelocityUtils {
    public double mul(Object num1, Object num2) {
        Number n1 = toDouble(num1);
        Number n2 = toDouble(num2);

        double value = n1.doubleValue() * n2.doubleValue();
        return value;
    }

    public int intAdd(Object num1, Object num2) {
        Number n1 = toInteger(num1);
        Number n2 = toInteger(num2);

        return n1.intValue() + n2.intValue();
    }

    public double div1(Object num1, Object num2) {
        Number n1 = toDouble(num1);
        Number n2 = toDouble(num2);

        double value = n1.doubleValue() / n2.doubleValue();
        return ((int) (value * 10)) / 10.0;
    }

    public Number toDouble(Object num) {
        return Double.valueOf(num.toString());
    }

    public Integer toInteger(Object num) {
        return new Integer(toDouble(num).intValue());
    }

    public Integer round(Object num) {
        Number n = toDouble(num);
        return new Integer((int) Math.rint(n.doubleValue()));
    }

    @SuppressWarnings("rawtypes")
    public int arraySize(Object arr) {
        if (arr instanceof Collection) {
            return ((Collection) arr).size();
        }
        return arr == null ? -1 : ((Object[]) arr).length;
    }

    //   public String items2JsArray(IPlaylistProvider pp, int page) {
    //      int ayaCount = QuranPropertiesUtils.getSura(page).getAyaCount();
    //      StringBuffer buf = new StringBuffer("[");
    //      if (ayaCount > 0) // always true :-)
    //         buf.append(pp.getItem(page, 1));
    //      for (int aya = 2; aya <= ayaCount; aya++) {
    //         buf.append(", " + pp.getItem(page, aya));
    //      }
    //      buf.append("]");
    //      return buf.toString();
    //   }

    public String items2JsArray(int pageNum) {
        IPagingData pagingData = ApplicationConfig.getInstance().getQuranPaging().getDefault();
        IQuranPage quranPage = pagingData.getQuranPage(pageNum);
        IQuranLocation fromLoc = quranPage.getFrom();
        IQuranLocation toLoc = quranPage.getTo();
        StringBuffer buf = new StringBuffer("[");
        while (fromLoc != null && fromLoc.compareTo(toLoc) <= 0) {
            buf.append('\'').append(fromLoc.toString()).append('\'').append(", ");
            fromLoc = fromLoc.getNext();
        }
        if (buf.length() > 1) {
            buf.replace(buf.length() - 2, buf.length(), "]");
        }
        return buf.toString();
    }

    @SuppressWarnings("rawtypes")
    public Object getItem(Object arr, int index) {
        if (arr instanceof List) {
            return ((List) arr).get(index);
        }
        return ((Object[]) arr)[index];
    }

    public String getRepeatOptions(int repeatTime) {
        StringBuffer buf = new StringBuffer();
        PropertiesConfiguration props = ApplicationConfig.getInstance().getProps();
        int max = props.getInt("audio.maxRepeatTime", 10);
        for (int i = 1; i <= max; i++) {
            buf.append("<option" + (i == repeatTime ? " selected=\"selected\"" : "") + ">&nbsp;").append(i)
                    .append("&nbsp;</option>");
        }
        return buf.toString();
    }

    private static Pattern COMMENTARY = Pattern.compile("\\[\\[([^\\[\\]]+)\\]\\]");

    public String processAya(String str) {
        if (StringUtils.isEmpty(str)) {
            return "";
        }

        str = StringUtils.replace(str, "\\\\", "<br/>");

        Matcher m;
        int i = 1;
        do {
            m = COMMENTARY.matcher(str);
            str = m.replaceFirst("<span class=\"commentHandle\">(" + i++
                    + ")</span> <span class=\"commentText\" style=\"display: none\">$1</span>");
        } while (m.find());

        return str;

    }

    /*public static void main(String[] args) {
       System.out.println(processAya("adslkj sdlfjgk sdlfk [[qwew [[_+_+]] qe]] sdfdfvsdfbdfb dfvd [[sdvcsdc]] sdfsdv."));
    }*/
}