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package config;
import java.io.IOException;
import java.net.ProxySelector;
import java.text.MessageFormat;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;
import org.apache.log4j.Priority;
import com.btr.proxy.search.ProxySearch;
import com.btr.proxy.search.wpad.WpadProxySearchStrategy;
import com.btr.proxy.util.ProxyException;
import com.btr.proxy.util.Logger.LogBackEnd;
import com.btr.proxy.util.Logger.LogLevel;
/**
* Configures the proxy
*
* @author Jonathan Bauer
*/
public class ConfigProxy {
/**
* Logger for this class
*/
private final static Logger LOGGER = Logger.getLogger(ConfigProxy.class);
/**
* Initialization method.
*/
public static void init() throws IOException {
// first setup the logger of proxy_vole
com.btr.proxy.util.Logger.setBackend(new LogBackEnd() {
@SuppressWarnings("deprecation")
public void log(Class<?> clazz, LogLevel loglevel, String msg,
Object... params) {
Priority priority;
switch (loglevel) {
case ERROR:
priority = Level.ERROR;
break;
case WARNING:
priority = Priority.WARN;
break;
case INFO:
priority = Priority.INFO;
break;
default:
priority = Priority.DEBUG;
}
Logger.getLogger(clazz).log(priority, MessageFormat.format(msg, params));
}
public boolean isLogginEnabled(LogLevel logLevel) {
return true;
}
});
// try to find local proxy settings
ProxySearch proxySearch = ProxySearch.getDefaultProxySearch();
ProxySelector myProxySelector = proxySearch.getProxySelector();
if (myProxySelector == null) {
// didn't work, try WPAD detection
LOGGER.error("No suitable proxy settings found, trying WPAD...");
WpadProxySearchStrategy ss = new WpadProxySearchStrategy();
try {
myProxySelector = ss.getProxySelector();
} catch (ProxyException e) {
LOGGER.error("WPAD proxy error, see trace: ", e);
}
}
// final check to see if WPAD actually worked
if (myProxySelector != null) {
LOGGER.debug("Proxy initialised.");
ProxySelector.setDefault(myProxySelector);
} else {
LOGGER.error("Could not find a suitable proxy!");
}
}
}
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