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UpdateCells.java
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Sat, Jul 13, 10:49

UpdateCells.java
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import java.net.*;
import java.util.*;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import javax.sql.DataSource;
public final class UpdateCells {
private UpdateCells() { }
public static void main(final String[] args) {
try {
final UpdateCells db = new UpdateCells();
final InetAddress addr = db.getLocalHost();
// Get IP Address
final String ipAddr = addr.getHostAddress();
// Get hostname
final String hostname = addr.getHostName();
System.out.println("Welcome to i2b2 Vmware 1.7");
System.out.println(" ");
System.out.println("All passwords are demouser");
System.out.println(" ");
System.out.println("To use this i2b2 server 1.7 instance with one of the following:");
System.out.println(" ");
System.out.println("1) webclient");
System.out.println(" Open a browser on another system and go to the following address:");
System.out.println(" http://" + ipAddr + "/");
System.out.println(" ");
System.out.println("2) admin");
System.out.println(" Open a browser on another system and go to the following address:");
System.out.println(" http://" + ipAddr + "/admin");
System.out.println(" ");
System.out.println("3) i2b2 Workbench");
System.out.println(" Copy the following text into the properties file (i2b2workbench.properties)");
System.out.println(" I2b2.1=i2b2demo,REST,http://" + ipAddr + "/i2b2/services/PMService/");
System.out.println(" ");
} catch (Exception e) {
e.printStackTrace();
}
}
public InetAddress getLocalHost(final InetAddress intendedDestination) throws SocketException {
final int port = 8888;
final DatagramSocket sock = new DatagramSocket(port);
sock.connect(intendedDestination, port);
try {
return sock.getLocalAddress();
} finally {
try {
sock.disconnect();
} catch (Exception e) { }
try {
sock.close();
} catch (Exception e) { }
}
}
/**
* Returns an InetAddress representing the address of the localhost. Every
* attempt is made to find an address for this host that is not the loopback
* address. If no other address can be found, the loopback will be returned.
*
* @return InetAddress - the address of localhost
* @throws UnknownHostException
* - if there is a problem determing the address
*/
public InetAddress getLocalHost() throws UnknownHostException {
final InetAddress localHost = InetAddress.getLocalHost();
System.out.println("Checking if lookback");
if (!localHost.isLoopbackAddress()) {
return localHost;
}
System.out.println("Getting address last one was lookback");
final InetAddress[] addrs = getAllLocalUsingNetworkInterface();
for (int i = 0; i < addrs.length; i++) {
System.out.println("Found " + addrs[i].getHostAddress());
if (addrs[i].getAddress().length == 4) {
if (!addrs[i].isLoopbackAddress()) {
return addrs[i];
}
}
}
System.out.println("Found " + localHost.getHostAddress());
return localHost;
}
/**
* This method attempts to find all InetAddresses for this machine in a
* conventional way (via InetAddress). If only one address is found and it
* is the loopback, an attempt is made to determine the addresses for this
* machine using NetworkInterface.
*
* @return InetAddress[] - all addresses assigned to the local machine
* @throws UnknownHostException
* - if there is a problem determining addresses
*/
public InetAddress[] getAllLocal() throws UnknownHostException {
final InetAddress[] iAddresses = InetAddress.getAllByName("127.0.0.1");
if (iAddresses.length != 1) {
return iAddresses;
}
if (!iAddresses[0].isLoopbackAddress()) {
return iAddresses;
}
return getAllLocalUsingNetworkInterface();
}
/**
* Utility method that delegates to the methods of NetworkInterface to
* determine addresses for this machine.
*
* @return InetAddress[] - all addresses found from the NetworkInterfaces
* @throws UnknownHostException
* - if there is a problem determining addresses
*/
private InetAddress[] getAllLocalUsingNetworkInterface() throws UnknownHostException {
final ArrayList<InetAddress> addresses = new ArrayList<InetAddress>();
Enumeration<NetworkInterface> e = null;
try {
e = NetworkInterface.getNetworkInterfaces();
} catch (SocketException ex) {
throw new UnknownHostException("127.0.0.1");
}
while (e.hasMoreElements()) {
final NetworkInterface ni = e.nextElement();
for (final Enumeration<InetAddress> e2 = ni.getInetAddresses(); e2.hasMoreElements();) {
addresses.add(e2.nextElement());
}
}
return addresses.toArray(new InetAddress[addresses.size()]);
}
}

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