After create new windows registry in cmd by:
reg add HKLM\SOFTWARE\Policies\MyApplication\AES /v SecurityKey /d 12345678901234567890123456789012
need read it from java
import java.io.IOException;
import java.io.InputStream;
import java.io.StringWriter;
/**
* @author Oleg Ryaboy, based on work by Miguel Enriquez
*/
public class WindowsReqistry {
/**
*
* @param location path in the registry
* @param key registry key
* @return registry value or null if not found
*/
public static final String readRegistry(String location, String key){
try {
// Run reg query, then read output with StreamReader (internal class)
Process process = Runtime.getRuntime().exec("reg query " +
'"'+ location + "\" /v " + key);
StreamReader reader = new StreamReader(process.getInputStream());
reader.start();
process.waitFor();
reader.join();
// Parse out the value
String[] parsed = reader.getResult().split("\\s+");
if (parsed.length > 1) {
return parsed[parsed.length-1];
}
} catch (Exception e) {}
return null;
}
static class StreamReader extends Thread {
private InputStream is;
private StringWriter sw= new StringWriter();
public StreamReader(InputStream is) {
this.is = is;
}
public void run() {
try {
int c;
while ((c = is.read()) != -1)
sw.write(c);
} catch (IOException e) {
}
}
public String getResult() {
return sw.toString();
}
}
public static void main(String[] args) {
// Sample usage
String value = WindowsReqistry.readRegistry("HKLM\\SOFTWARE\\Policies\\MyApplication\\AES", "SecurityKey");
System.out.println(value);
}
}
