Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import org.w3c.dom.*;

import java.util.regex.*;

public class Main {
    static final Matcher fpMatch = Pattern
            .compile("([-+]?((\\d*\\.\\d+)|(\\d+))([eE][+-]?\\d+)?)(\\%|in|cm|mm|pt|pc|px|em|ex)?").matcher("");

    /**
     * Parses the given attribute of this tag and returns it as a float
     */
    public static float getAttribFloat(Element ele, String name) {
        String sval = ele.getAttribute(name);
        float val = 0.0f;
        try {
            val = Float.parseFloat(sval);
        } catch (Exception e) {
        }

        return val;
    }

    public static float parseFloat(String val) {
        /*
        if (val == null) return 0f;
            
        float retVal = 0f;
        try
        { retVal = Float.parseFloat(val); }
        catch (Exception e)
        {}
        return retVal;
         */
        return findFloat(val);
    }

    /**
     * Searches the given string for the first floating point number it contains,
     * parses and returns it.
     */
    public synchronized static float findFloat(String val) {
        if (val == null)
            return 0f;

        fpMatch.reset(val);
        if (!fpMatch.find())
            return 0f;

        val = fpMatch.group(1);
        //System.err.println("Parsing " + val);

        float retVal = 0f;
        try {
            retVal = Float.parseFloat(val);
            String units = fpMatch.group(6);
            if ("%".equals(units))
                retVal /= 100;
        } catch (Exception e) {
        }
        return retVal;
    }
}