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* Parts copyright (c) 2001 by Punch Telematix. All rights reserved. *
* Parts copyright (c) 2009 by /k/ Embedded Java Solutions. *
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED *
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package wonka.vm;
import java.security.AccessController;
/*
** Package-visible class used to get system properties with full privileges.
*/
class GetSystemProperty implements java.security.PrivilegedAction {
static final String MIKA_VERBOSE;
private String key;
private String dflt;
private String value;
/**
** Our static initialiser fetches the system property which
** everybody in this package seems to need ...
*/
static {
GetSystemProperty gsp;
if (SecurityConfiguration.ENABLE_SECURITY_CHECKS && System.getSecurityManager() != null) {
gsp = new GetSystemProperty("mika.verbose","");
AccessController.doPrivileged(gsp);
MIKA_VERBOSE = gsp.get();
}
else {
MIKA_VERBOSE = System.getProperty("mika.verbose", "");
}
}
/**
** 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;
}
}