org.jolokia.test.util

Class EnvTestUtil

java.lang.Object

org.jolokia.test.util.EnvTestUtil

public class EnvTestUtil
extends Object

Utility methods useful for unit tests when interacting with the runtime environment where the tests are executed.

Since:

01.09.11

Author:

roland

Method Summary

Methods

Modifier and Type	Method and Description
static int	getFreePort() Get an arbitrary free port on the localhost
static String	readToString(InputStream is) Read an input stream into a plain string
static boolean	trySocket(int port) Try a given port on the localhost and check whether it is free

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getFreePort

public static int getFreePort()
                       throws IOException

Get an arbitrary free port on the localhost

Returns:

free port

Throws:

IllegalArgumentException - if no free port could be found

IOException

trySocket

public static boolean trySocket(int port)
                         throws IOException

Try a given port on the localhost and check whether it is free

Parameters:

port - port to check

Returns:

true if the port is still free

Throws:

IOException

readToString

public static String readToString(InputStream is)
                           throws IOException

Read an input stream into a plain string

Parameters:

is - input stream to read from

Returns:

string containing the content

Throws:

IOException - if something fails