Encoder.java

package practical2p3.uk.ac.qub;

public class CaesarCypher {

	public CaesarCypher(){
		
	}
	
	public CaesarCypher (String stringToEncode, int codeKey) {
		this.stringToEncode = stringToEncode;
		this.codeKey = codeKey;
	}
	
	
	private String stringToEncode;
	private int codeKey;
	
	/**
	 * @return the stringToEncode
	 */
	public String getstringToEncode() {
		return stringToEncode;
	}
	/**
	 * @param stringToEncode the stringToEncode to set
	 */
	public void setstringToEncode(String stringToEncode) {
		this.stringToEncode = stringToEncode;
	}
	/**
	 * @return the codeKey
	 */
	public int getCodeKey() {
		return codeKey;
	}
	/**
	 * @param codeKey the codeKey to set
	 */
	public void setCodeKey(int codeKey) {
		this.codeKey = codeKey;
	}
	
	public String encode (String stringToEncode, int codeKey) {
		
		String work;
		char code;
		code = 'a';
		work ="";

		for (int counter = 0; counter < stringToEncode.length(); counter++) {
			code = stringToEncode.charAt(counter);

			for (int loop = 0; loop < codeKey; loop++) {
				if (code == 'Z') {
					code = 'A';
				} else if (code == 'z') {
					code = 'a';
				}

				if (Character.isAlphabetic(code)) {
					code++;
				}
			}
			
			String codedMessage = Character.toString(code);
			System.out.print(codedMessage);
			work = codedMessage;
			
		}
		
		System.out.println(work);

		return work;
		
		
	}
}