
javax.rmi.CORBA.GetORBPropertiesFileAction Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2020 Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1993-1997 IBM Corp. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0, or the Eclipse Distribution License
* v. 1.0 which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the Eclipse
* Public License v. 2.0 are satisfied: GNU General Public License v2.0
* w/Classpath exception which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause OR GPL-2.0 WITH
* Classpath-exception-2.0
*/
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 ;
}
}
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