/**************************************************************************
* Copyright (c) 2007, 2009 by Chris Gray, /k/ Embedded Java Solutions. *
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* *
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* notice, this list of conditions and the following disclaimer. *
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* derived from this software without specific prior written *
* permission. *
* *
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED *
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package java.net;
import wonka.vm.SecurityConfiguration;
import java.security.AccessController;
import java.security.Security;
/*
** Package-visible class used to get security properties with full privileges.
*/
class GetSecurityProperty implements java.security.PrivilegedAction {
static final int INETADDRESS_CACHE_TTL;
private String key;
private Object value;
/**
** Our static initialiser fetches the security property which
** is needed by InetAddress.
*/
static {
int l;
if (SecurityConfiguration.ENABLE_SECURITY_CHECKS) {
GetSecurityProperty gsp = new GetSecurityProperty("inetaddress.cache.ttl");
AccessController.doPrivileged(gsp);
Integer l0 = (Integer)gsp.get();
if (l0 == null) {
gsp = new GetSecurityProperty("mika.inetaddress.cache.ttl");
AccessController.doPrivileged(gsp);
l0 = (Integer)gsp.get();
}
l = (l0 == null) ? 86400 : l0.intValue();
}
else {
String prop = Security.getProperty("inetaddress.cache.ttl");
if (prop == null) {
prop = Security.getProperty("mika.inetaddress.cache.ttl");
}
try {
l = Integer.parseInt(prop);
}
catch (Throwable t) {
l = 86400;
}
}
INETADDRESS_CACHE_TTL = l;
}
/**
** Constructor which just takes a key.
*/
public GetSecurityProperty(String key) {
this.key = key;
}
/**
** This gets called by doPrivileged().
*/
public Object run() {
try {
value = new Integer(Integer.parseInt(Security.getProperty(key)));
}
catch (Throwable t) {
// t.printStackTrace();
}
return null;
}
/**
** Return the value to the caller.
*/
public Object get() {
return value;
}
}