Package edu.ucsb.nceas.metacat.util

Class NetworkUtil

java.lang.Object

edu.ucsb.nceas.metacat.util.NetworkUtil

public class NetworkUtil
extends Object

A collection of static utility methods for networking

Field Summary

Fields

Modifier and Type	Field	Description
static final int	DEFAULT_TIMEOUT_MS

Method Summary

Modifier and Type	Method	Description
static int	checkUrlStatus(String urlStr)	Get a status code after connecting and sending an HTTP GET request to the given url
static int	checkUrlStatus(String urlStr, int timeoutMs)	Get a status code after connecting and sending an HTTP GET request to the given url

Methods inherited from class java.lang.Object

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

Field Details

DEFAULT_TIMEOUT_MS

public static final int DEFAULT_TIMEOUT_MS

See Also:

• Constant Field Values

Method Details

checkUrlStatus

public static int checkUrlStatus(String urlStr)
                          throws IOException,
IllegalArgumentException

Get a status code after connecting and sending an HTTP GET request to the given url

Parameters:

urlStr - the url that will be connected

Returns:

the status code

Throws:

IOException - if an I/ O error occurs while opening the connection. Includes a possible SocketTimeoutException – if the default timeout expires before the connection can be established (@see NetworkUtil.DEFAULT_TIMEOUT_MS).

IllegalArgumentException

checkUrlStatus

public static int checkUrlStatus(String urlStr,
 int timeoutMs)
                          throws URISyntaxException,
IOException

Get a status code after connecting and sending an HTTP GET request to the given url

Parameters:

urlStr - the url that will be connected

timeoutMs - the timeout value, in milliseconds, to be used when establishing a connection to the resource referenced by this url. A timeout of zero is interpreted as an infinite timeout. A negative timeout (i.e. timeoutMs < 0) will use the default value (@see NetworkUtil.DEFAULT_TIMEOUT_MS).

Returns:

the status code

Throws:

IOException - if an I/ O error occurs while opening the connection. Includes a possible SocketTimeoutException – if the timeout expires before the connection can be established.

URISyntaxException - If the url string violates RFC 2396 or is otherwise non-valid