Java Code Examples for java.net.UnknownHostException#toString()

/**
 * Resolves the host and port InetSocketAddress the web server is listening to.
 * <p>
 * This implementation looks for the following 2 properties:
 * <ul>
 *   <li>#SERVER_NAME#.http.hostname</li>
 *   <li>#SERVER_NAME#.http.port</li>
 * </ul>
 *
 * @return the host and port InetSocketAddress the web server is listening to.
 * @throws ServerException thrown if any of the above 2 properties is not defined.
 */
protected InetSocketAddress resolveAuthority() throws ServerException {
  String hostnameKey = getName() + HTTP_HOSTNAME;
  String portKey = getName() + HTTP_PORT;
  String host = System.getProperty(hostnameKey);
  String port = System.getProperty(portKey);
  if (host == null) {
    throw new ServerException(ServerException.ERROR.S13, hostnameKey);
  }
  if (port == null) {
    throw new ServerException(ServerException.ERROR.S13, portKey);
  }
  try {
    InetAddress add = InetAddress.getByName(host);
    int portNum = Integer.parseInt(port);
    return new InetSocketAddress(add, portNum);
  } catch (UnknownHostException ex) {
    throw new ServerException(ServerException.ERROR.S14, ex.toString(), ex);
  }
}
 

/**
 * Resolves the host and port InetSocketAddress the web server is listening to.
 * <p>
 * This implementation looks for the following 2 properties:
 * <ul>
 *   <li>#SERVER_NAME#.http.hostname</li>
 *   <li>#SERVER_NAME#.http.port</li>
 * </ul>
 *
 * @return the host and port InetSocketAddress the web server is listening to.
 * @throws ServerException thrown if any of the above 2 properties is not defined.
 */
protected InetSocketAddress resolveAuthority() throws ServerException {
  String hostnameKey = getName() + HTTP_HOSTNAME;
  String portKey = getName() + HTTP_PORT;
  String host = System.getProperty(hostnameKey);
  String port = System.getProperty(portKey);
  if (host == null) {
    throw new ServerException(ServerException.ERROR.S13, hostnameKey);
  }
  if (port == null) {
    throw new ServerException(ServerException.ERROR.S13, portKey);
  }
  try {
    InetAddress add = InetAddress.getByName(host);
    int portNum = Integer.parseInt(port);
    return new InetSocketAddress(add, portNum);
  } catch (UnknownHostException ex) {
    throw new ServerException(ServerException.ERROR.S14, ex.toString(), ex);
  }
}
 

protected void recoverServices(OperationContext context, ModelNode operation, ModelNode model) throws OperationFailedException {
    String name = context.getCurrentAddressValue();
    ServiceName svcName = SOCKET_BINDING_CAPABILITY.getCapabilityServiceName(name);
    ServiceRegistry registry = context.getServiceRegistry(true);
    ServiceController<?> controller = registry.getService(svcName);
    if (controller != null) {
        // We didn't remove it, we just set reloadRequired
        context.revertReloadRequired();
    } else {
        try {
            BindingAddHandler.installBindingService(context, model, name);
        }catch (UnknownHostException e) {
            throw new OperationFailedException(e.toString());
        }
    }
}
 

/**
 * Get InetAddress masked with prefixLength.  Will never return null.
 * @param address the IP address to mask with
 * @param prefixLength the prefixLength used to mask the IP
 */
public static InetAddress getNetworkPart(InetAddress address, int prefixLength) {
    byte[] array = address.getAddress();
    maskRawAddress(array, prefixLength);

    InetAddress netPart = null;
    try {
        netPart = InetAddress.getByAddress(array);
    } catch (UnknownHostException e) {
        throw new RuntimeException("getNetworkPart error - " + e.toString());
    }
    return netPart;
}
 

public void setHost(String host)
{
    try
    {
        InetAddress hostAddress = InetAddress.getByName(host);
        if (!hostAddress.isAnyLocalAddress())
        {
            this.host = hostAddress;
        }
    }
    catch (UnknownHostException e)
    {
        throw new RuntimeException(e.toString());
    }
}
 

public void configure(String name, Properties props, NameSpace nameSpace)
		throws LDAPException {
	this.name = name;
	this.host = props.getProperty("host");
	try {
		addr = UniAddress.getByName(host);
	} catch (UnknownHostException e) {
		throw new LDAPException("Could not lookup host : " + e.toString(),
				LDAPException.OPERATIONS_ERROR, "");
	}
	
	base = nameSpace.getBase().getDN().toString();
}
 

public void configure(String name, Properties props, NameSpace nameSpace)
		throws LDAPException {
	this.name = name;
	this.host = props.getProperty("host");
	try {
		addr = UniAddress.getByName(host);
	} catch (UnknownHostException e) {
		throw new LDAPException("Could not lookup host : " + e.toString(),
				LDAPException.OPERATIONS_ERROR, "");
	}
	
	base = nameSpace.getBase().getDN().toString();
}
 

private void handleBindingReinstall(OperationContext context, String bindingName, ModelNode bindingModel, ServiceName serviceName) throws OperationFailedException {
    context.removeService(serviceName);
    try {
        BindingAddHandler.installBindingService(context, bindingModel, bindingName);
    } catch (UnknownHostException e) {
        throw new OperationFailedException(e.toString());
    }
}
 

@Override
protected void performRuntime(OperationContext context, ModelNode operation, ModelNode model) throws OperationFailedException {

    PathAddress address = PathAddress.pathAddress(operation.get(OP_ADDR));
    String name = address.getLastElement().getValue();

    try {
        installBindingService(context, model, name);
    } catch (UnknownHostException e) {
        throw new OperationFailedException(e.toString());
    }

}
 

/**
 * Connect to MongoDB Host.
 *
 * @throws DBException
 */
public void connect() throws DBException {
    try {
        LOGGER.debug("Initializing MongoDB client");
        mongoClient = new MongoClient(this.host, this.port);
    } catch (UnknownHostException e) {
        throw new DBException(e.toString());

    }
}
 

@Test
public void itMakesFriendlyErrorForHostNotFound () throws Exception {
	final UnknownHostException uhe = new UnknownHostException("Unable to resolve host \"successwhale-api.herokuapp.com\": No address associated with hostname");
	final SuccessWhaleException swe = new SuccessWhaleException("Failed to fetch feed 'somefeed' from 'someurl': " + uhe.toString(), uhe);
	assertEquals("Network error: Unable to resolve host \"successwhale-api.herokuapp.com\": No address associated with hostname",
			swe.friendlyMessage());
}