Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.util.ArrayList;
import android.util.Log;

public class Main {
    private static Integer totalcharcount = 0;
    public static Integer[] chartotals = new Integer[255];

    public static ArrayList<String> filter(String[] input, String filter, Integer maxlinelength) {
        init();

        //include both uppercase and lowercase letters in filter
        //example: asdF becomes asdfASDF
        filter = filter.toLowerCase() + filter.toUpperCase();

        ArrayList<String> array = new ArrayList<String>();
        String charstring;
        String filteredstring = "";
        boolean lastwasspace = true; // ensure that text does not begin with a
        // space
        Integer counter = 0;

        for (String s : input) {
            //terminate with space - add a space between lines
            s += " ";
            for (Character c : s.toCharArray()) {
                charstring = c.toString();
                //prevent doublespace;
                //break lines on spaces, when line meets or exceeds maxlinelength
                if (c == ' ') {
                    if (lastwasspace) {
                        // ignore double spaces
                    } else {
                        lastwasspace = true;
                        if (filter.contains(charstring)) {
                            filteredstring += " ";
                        }
                        //if filter doesn't contain " ", 
                        //we'll add one anyway every few words 
                        else {
                            counter++;
                            Log.e("", counter.toString());
                            if (counter == 4) {
                                counter = 0;
                                filteredstring += " ";
                                Log.e("", "space");
                            }
                        }
                        // add and reset only if adding the next string will
                        // exceed length limit
                        if (filteredstring.length() >= maxlinelength) {
                            array.add(filteredstring);
                            filteredstring = "";
                        }
                    }
                } else if (filter.contains(charstring)) {
                    lastwasspace = false;
                    filteredstring += charstring;
                    if (Character.getNumericValue(c.charValue()) >= 0)
                        chartotals[Character.getNumericValue(c.charValue())]++;
                }
            }
        }
        array.add(filteredstring);

        //      for (int i = 0; i < chartotals.length; i++)
        //         System.out.println(String.valueOf(i) + " " + chartotals[i]);

        //calculate total number of letters
        totalcharcount = 0;
        for (String s : array)
            totalcharcount += s.length();

        return array;
    }

    public static void init() {
        for (int i = 0; i < chartotals.length; i++) {
            chartotals[i] = 0;
        }
    }
}