public interface TransferrableKey extends TransferrableData {

        public String getLogonkey();

        public void setLogonkey(String logonKey);

        public String getTokenkey();

        public void setTokenkey(String tokenKey);
    }

public interface TransferrableResponse extends TransferrableData {

    public String getMessage();

    public void setMessage(String message);

    public String getResponse();

    public void setResponse(String response);
}

public class UploadRequestDTO implements TransferrableKey {

private String logonKey;
private String tokenKey;

/**
 * @return the logonkey
 */
public String getLogonkey() {
    return logonKey;
}

/**
 * @param logonKey the logonkey to set
 */
public void setLogonkey(String logonKey) {
    this.logonKey = logonKey;
}

/**
 * @return the tokenkey
 */
public String getTokenkey() {
    return tokenKey;
}

/**
 * @param tokenKey the tokenkey to set
 */
public void setTokenkey(String tokenKey) {
    this.tokenKey = tokenKey;
}
}

public class UploadResponseDTO implements TransferrableData, TransferrableResponse, TransferrableKey {
private String response;
private String message;
private String logonKey;
private String tokenKey;

/**
 * @return the response
 */
public String getResponse() {
    return response;
}

/**
 * @param response the response to set
 */
public void setResponse(String response) {
    this.response = response;
}

/**
 * @return the messages
 */
public String getMessage() {
    return message;
}

/**
 * @param message the messages to set
 */
public void setMessage(String message) {
    this.message = message;
}

/**
 * @return the logonkey
 */
public String getLogonkey() {
    return logonKey;
}

/**
 * @param logonKey the logonkey to set
 */
public void setLogonkey(String logonKey) {
    this.logonKey = logonKey;
}

/**
 * @return the tokenkey
 */
public String getTokenkey() {
    return tokenKey;
}

/**
 * @param tokenKey the tokenkey to set
 */
public void setTokenkey(String tokenKey) {
    this.tokenKey = tokenKey;
}
}