Steganography for Unicode

package com.ignateff.stegotext;

public class Encoder {
    private static char ZERO_SPACE = (char)65279;

    private String message;
    private int cipherSize;

    public Encoder(String plainText){
        message=plainText;
        cipherSize = 1+plainText.length();
    }

    public static boolean getBit(int input, int bit){
        if((input & (1 << bit)) != 0)return true;
        return false;
    }

    public static String getSecret(String message){
        char[] c = message.toCharArray();
        String cipher = "";
        int tmpChar = 0;
        int m = 0;
        for(int i=0; i<c.length; i++){
            if(c[i]!=ZERO_SPACE){
                tmpChar <<= 1;
                m++;
            }else{
                tmpChar |= 1;
            }
            if(m==5){
                if(tmpChar==0){return cipher;}
                tmpChar>>=1;
                cipher+=translateInt(tmpChar);
                tmpChar=0; m=0;
            }
        }
        return cipher;
    }

    public static int q(boolean b){
        if(b)return 1;
        return 0;
    }

    public String encodeSecret(String secret){
        int sLen = 5*secret.length();
        if(sLen > cipherSize){return "INVALID_CIPHER_SIZE";}
        boolean[] a = new boolean[sLen];

        char[] c = secret.toCharArray();
        char[] m = message.toCharArray();

        for(int i=0; i<c.length; i++){
            int x = translateChar(c[i]);
            if(x==-1)return "NOT_SUPPORTED_CHARACTER: " +c[i];
            a[i*5+0] = getBit(x, 4);
            a[i*5+1] = getBit(x, 3);
            a[i*5+2] = getBit(x, 2);
            a[i*5+3] = getBit(x, 1);
            a[i*5+4] = getBit(x, 0);
            }
        String r = "";
        if(a[0])r+=ZERO_SPACE;
        for(int i=0; i<m.length; i++){
            r+=m[i];
            if(i+1<a.length && a[i+1])r+=ZERO_SPACE;
        }
        return r;
    }

    public static char translateInt(int i){
        if(i > 0 && i<=26)return (char)(i+64);
        switch(i){
            case 27:
                return ' ';
            case 28:
                return '.';
            case 29:
                return ',';
            case 30:
                return '!';
            case 31:
                return '?';
        }
        return '#';
    }

    public static int translateChar(char c){
        if((int)c >= 65 && (int)c <=90){
            return (int)c-64;
        }
        if((int)c >= 97 && (int)c <=122){
            return (int)c-96;
        }
        switch(c){
            case ' ':
                return 27;
            case '.':
                return 28;
            case ',':
                return 29;
            case '!':
                return 30;
            case '?':
                return 31;
        }
        return -1;
    }
}