Getting IMEI and IMSI in Java ME

Importance of IMEI and IMSI : The IMEI and IMSI can be used to ensure extra security while user make use of your application For e.g if you want manager should access his account from valid phone provided by organization.This two codes can be proven effective.

The code will work in almost all devices.

public String getIMEI() {
	String out = "";
	try {
		out = System.getProperty("com.imei");
		if (out == null || out.equals("null") || out.equals("")) {
			out = System.getProperty("phone.imei");
		}
		if (out == null || out.equals("null") || out.equals("")) {
			out = System.getProperty("com.nokia.IMEI");
		}
		if (out == null || out.equals("null") || out.equals("")) {
			out = System.getProperty("com.nokia.mid.imei");
		}
		if (out == null || out.equals("null") || out.equals("")) {
			out = System.getProperty("com.sonyericsson.imei");
		}
 
		if (out == null || out.equals("null") || out.equals("")) {
			out = System.getProperty("IMEI");
		}
		if (out == null || out.equals("null") || out.equals("")) {
			out = System.getProperty("com.motorola.IMEI");
		}
 
		if (out == null || out.equals("null") || out.equals("")) {
			out = System.getProperty("com.samsung.imei");
		}
		if (out == null || out.equals("null") || out.equals("")) {
			out = System.getProperty("com.siemens.imei");
		}
 
		if (out == null || out.equals("null") || out.equals("")) {
			out = System.getProperty("imei");
		}
 
	} catch (Exception e) {
		return out == null ? "" : out;
	}
	return out == null ? "" : out;
}
//code for getting IMSI of the phone
public String getIMSI() {
	String out = "";
	try {
		out = System.getProperty("IMSI");
		if (out == null || out.equals("null") || out.equals("")) {
			out = System.getProperty("phone.imsi");
		}
		if (out == null || out.equals("null") || out.equals("")) {
			out = System.getProperty("com.nokia.mid.mobinfo.IMSI");
		}
		if (out == null || out.equals("null") || out.equals("")) {
			out = System.getProperty("com.nokia.mid.imsi");
		}
		if (out == null || out.equals("null") || out.equals("")) {
			out = System.getProperty("IMSI");
		}
		if (out == null || out.equals("null") || out.equals("")) {
			out = System.getProperty("imsi");
		}
	} catch (Exception e) {
		return out == null ? "" : out;
	}
	return out == null ? "" : out;
}