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* Parts copyright (c) 2009 by /k/ Embedded Java Solutions. *
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package java.util;
import wonka.vm.SecurityConfiguration;
import java.security.AccessController;
/*
** Package-visible class used to get system properties with full privileges.
*/
class GetSystemProperty implements java.security.PrivilegedAction {
static final String DEFAULT_LOCALE;
static final String DEFAULT_TIMEZONE;
private String key;
private String dflt;
private String value;
/**
** Our static initialiser fetches the two system properties which
** everybody in this package seems to need ...
*/
static {
GetSystemProperty gsp;
if (SecurityConfiguration.ENABLE_SECURITY_CHECKS && System.getSecurityManager() != null) {
gsp = new GetSystemProperty("com.acunia.default.Locale","");
AccessController.doPrivileged(gsp);
DEFAULT_LOCALE = gsp.get();
gsp = new GetSystemProperty("user.timezone");
AccessController.doPrivileged(gsp);
DEFAULT_TIMEZONE = gsp.get();
gsp = null;
}
else {
DEFAULT_LOCALE = System.getProperty("com.acunia.default.Locale", "");
DEFAULT_TIMEZONE = System.getProperty("user.timezone");
}
}
/**
** Constructor which takes a key and a default value.
*/
public GetSystemProperty(String key, String dflt) {
this.key = key;
this.dflt = dflt;
}
/**
** Constructor which just takes a key.
*/
public GetSystemProperty(String key) {
this.key = key;
}
/**
** This gets called by doPrivileged().
*/
public Object run() {
if (dflt == null) {
value = System.getProperty(key);
}
else {
value = System.getProperty(key, dflt);
}
return null;
}
/**
** Return the value to the caller.
*/
public String get() {
return value;
}
}