/**
* Checks whether proxy should be used according to nonProxyHosts settings of it, or we want to go
* directly to target host. If <code>null</code> proxy is passed in, this method returns true --
* since there is NO proxy, we should avoid to use it. Simple hostname pattern matching using "*"
* are supported, but only as prefixes. See
* http://download.oracle.com/javase/1.4.2/docs/guide/net/properties.html
*
* @param proxyServer
* @param target the hostname
* @return true if we have to avoid proxy use (obeying non-proxy hosts settings), false otherwise.
*/
public static boolean avoidProxy(final ProxyServer proxyServer, final String target) {
if (proxyServer != null) {
final String targetHost = target.toLowerCase();
List<String> nonProxyHosts = proxyServer.getNonProxyHosts();
if (nonProxyHosts != null && nonProxyHosts.size() > 0) {
for (String nonProxyHost : nonProxyHosts) {
if (nonProxyHost.startsWith("*")
&& nonProxyHost.length() > 1
&& targetHost.endsWith(nonProxyHost.substring(1).toLowerCase())) {
return true;
} else if (nonProxyHost.equalsIgnoreCase(targetHost)) {
return true;
}
}
}
return false;
} else {
return true;
}
}
