org.openstreetmap.josm.io

Class NetworkManager

java.lang.Object

org.openstreetmap.josm.io.NetworkManager

public final class NetworkManager
extends java.lang.Object

Handles global network features (errors and online/offline resources).

Since:

14121

Field Summary

Fields

Modifier and Type	Field and Description
private static java.util.Map<java.lang.String,java.lang.Throwable>	NETWORK_ERRORS
private static java.util.Set<OnlineResource>	OFFLINE_RESOURCES

Constructor Summary

Constructors

Modifier	Constructor and Description
private	NetworkManager()

Method Summary

Modifier and Type	Method and Description
static java.lang.Throwable	addNetworkError(java.lang.String url, java.lang.Throwable t) Adds a new network error that occur to give a hint about broken Internet connection.
static java.lang.Throwable	addNetworkError(java.net.URL url, java.lang.Throwable t) Adds a new network error that occur to give a hint about broken Internet connection.
static void	clearNetworkErrors() Clears the network errors cache.
static java.util.Map<java.lang.String,java.lang.Throwable>	getNetworkErrors() Returns the network errors that occurred until now.
static java.util.Set<OnlineResource>	getOfflineResources() Replies the set of online resources currently offline.
static boolean	isOffline(OnlineResource r) Determines if the given online resource is currently offline.
static boolean	setOffline(OnlineResource r) Sets the given online resource to offline state.
static boolean	setOnline(OnlineResource r) Sets the given online resource to online state.

Methods inherited from class java.lang.Object

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

Field Detail

NETWORK_ERRORS

private static final java.util.Map<java.lang.String,java.lang.Throwable> NETWORK_ERRORS

OFFLINE_RESOURCES

private static final java.util.Set<OnlineResource> OFFLINE_RESOURCES

Constructor Detail

NetworkManager

private NetworkManager()

Method Detail

addNetworkError

public static java.lang.Throwable addNetworkError(java.lang.String url,
                                                  java.lang.Throwable t)

Adds a new network error that occur to give a hint about broken Internet connection. Do not use this method for errors known for sure thrown because of a bad proxy configuration.

Parameters:

url - The accessed URL that caused the error

t - The network error

Returns:

The previous error associated to the given resource, if any. Can be null

addNetworkError

public static java.lang.Throwable addNetworkError(java.net.URL url,
                                                  java.lang.Throwable t)

Adds a new network error that occur to give a hint about broken Internet connection. Do not use this method for errors known for sure thrown because of a bad proxy configuration.

Parameters:

url - The accessed URL that caused the error

t - The network error

Returns:

The previous error associated to the given resource, if any. Can be null

getNetworkErrors

public static java.util.Map<java.lang.String,java.lang.Throwable> getNetworkErrors()

Returns the network errors that occurred until now.

Returns:

the network errors that occurred until now, indexed by URL

clearNetworkErrors

public static void clearNetworkErrors()

Clears the network errors cache.

isOffline

public static boolean isOffline(OnlineResource r)

Determines if the given online resource is currently offline.

Parameters:

r - the online resource

Returns:

true if r is offline and should not be accessed

setOffline

public static boolean setOffline(OnlineResource r)

Sets the given online resource to offline state.

Parameters:

r - the online resource

Returns:

true if r was not already offline

setOnline

public static boolean setOnline(OnlineResource r)

Sets the given online resource to online state.

Parameters:

r - the online resource

Returns:

true if r was offline

getOfflineResources

public static java.util.Set<OnlineResource> getOfflineResources()

Replies the set of online resources currently offline.

Returns:

the set of online resources currently offline