javax.rmi.CORBA.GetORBPropertiesFileAction Maven / Gradle / Ivy
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package javax.rmi.CORBA;
import java.io.File;
import java.io.FileInputStream;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.Properties;
class GetORBPropertiesFileAction implements PrivilegedAction {
private boolean debug = false ;
public GetORBPropertiesFileAction () {
}
private String getSystemProperty(final String name) {
// This will not throw a SecurityException because this
// class was loaded from rt.jar using the bootstrap classloader.
String propValue = (String) AccessController.doPrivileged(
new PrivilegedAction() {
public java.lang.Object run() {
return System.getProperty(name);
}
}
);
return propValue;
}
private void getPropertiesFromFile( Properties props, String fileName )
{
try {
File file = new File( fileName ) ;
if (!file.exists())
return ;
FileInputStream in = new FileInputStream( file ) ;
try {
props.load( in ) ;
} finally {
in.close() ;
}
} catch (Exception exc) {
if (debug)
System.out.println( "ORB properties file " + fileName +
" not found: " + exc) ;
}
}
public Object run()
{
Properties defaults = new Properties() ;
String javaHome = getSystemProperty( "java.home" ) ;
String fileName = javaHome + File.separator + "lib" + File.separator +
"orb.properties" ;
getPropertiesFromFile( defaults, fileName ) ;
Properties results = new Properties( defaults ) ;
String userHome = getSystemProperty( "user.home" ) ;
fileName = userHome + File.separator + "orb.properties" ;
getPropertiesFromFile( results, fileName ) ;
return results ;
}
}