DetermineRemoteHostname.java

package hudson.plugins.accurev;

import hudson.remoting.Callable;
import org.jenkinsci.remoting.RoleChecker;

import java.io.File;
import java.io.IOException;
import java.net.InetAddress;
import java.net.UnknownHostException;

public class DetermineRemoteHostname implements Callable<RemoteWorkspaceDetails, UnknownHostException> {

    private final String path;

    public DetermineRemoteHostname(String path) {
        this.path = path;
    }

    /**
     * {@inheritDoc}
     */
    public RemoteWorkspaceDetails call() throws UnknownHostException {
        InetAddress addr = InetAddress.getLocalHost();
        File f = new File(path);
        String path;
        try {
            path = f.getCanonicalPath();
        } catch (IOException e) {
            path = f.getAbsolutePath();
        }
        String ipPattern = "^(([01]?[0-9]?[0-9]|2([0-4][0-9]|5[0-5]))\\.){3}([01]?[0-9]?[0-9]|2([0-4][0-9]|5[0-5]))$";
        String hostName = addr.getCanonicalHostName(); // try full hostname
        if (hostName.matches(ipPattern))
            hostName = addr.getHostName(); // try hostname
        // Accurev does not accept IP addresses so we are going to throw an error.
        if (hostName.matches(ipPattern))
            throw new UnknownHostException("Found IP, but need HostName, ensure proper FQDN.");
        return new RemoteWorkspaceDetails(hostName, path);
    }

    @Override
    public void checkRoles(RoleChecker roleChecker) throws SecurityException {
        //TODO: Implement Role check
    }
}