java读注册表 备份mysql

mport java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintStream;
import ca.beq.util.win32.registry.RegistryKey;
import ca.beq.util.win32.registry.RegistryValue;
import ca.beq.util.win32.registry.RootKey;

public class ReadReg {
	public static String getPath() {
		RegistryKey r = new RegistryKey(RootKey.HKEY_LOCAL_MACHINE,  "Software\\MySQL AB\\MySQL Server 6.0");  
		if(r.hasValue("Location")) {  
			RegistryValue v = r.getValue("Location");  
			System.out.println(v.getStringValue());
			return v.getStringValue();
		}
		return "";
	}
	public static void main(String[] args) {
		try {
			startPing(getPath());
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
	public static void startPing(String path) throws IOException{
		InputStreamReader in = null;
		BufferedReader output = null;
		OutputStreamWriter writer = null;
		try {
			String exeName = path + "\\bin\\mysqldump.exe -uroot -p123 test1";
	
			final Process process = Runtime.getRuntime().exec(exeName);
			String result = "";
//			Runnable rr = null;//new ReadErrorStream(process, result);
//			rr = new ReadErrorStream(process, result);
//			Thread t = new Thread(rr);
//			t.start();
	//		System.out.print(result);
			in = new InputStreamReader(process.getInputStream(), "utf8");
			output = new BufferedReader(in);
			String line = null;
			FileOutputStream fout = new FileOutputStream(   
					"c:\\222.sql");   
			writer = new OutputStreamWriter(fout, "utf8");   
			while ((line = output.readLine()) != null) {
				System.out.println(line);
				writer.write(line+"\n");   
			}
			writer.flush();  
		
		int exitValue = process.exitValue();
		} catch (Exception e) {
			System.out.println(e);
			e.printStackTrace();
		} finally {
			writer.close();
			output.close();
			in.close();
		}
	}

//	private static class ReadErrorStream implements Runnable {
//		private Process process;
//		
//		private String errorInput;
//		
//		public ReadErrorStream(Process tprocess, String input) {
//			this.process = tprocess;
//			this.errorInput = input;
//		}
//		
//		public void run() {
//			try {
//				BufferedReader error = new BufferedReader(
//						new InputStreamReader(process.getErrorStream()));
//				String line = null;
//				StringBuffer readInput = new StringBuffer();
//				while ((line = error.readLine()) != null) {
//					readInput.append(line);
//				}
//				synchronized (errorInput) {
//					errorInput = readInput.toString();
//				}
//			} catch (Exception e) {
//				e.printStackTrace();
//			}
//		}
//	}
}