org.apache.cxf.resource.SecurityActions Maven / Gradle / Ivy
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.cxf.resource;
import java.io.File;
import java.security.AccessController;
import java.security.Permission;
import java.security.PrivilegedAction;
final class SecurityActions {
private SecurityActions() {
}
static boolean fileExists(final File file, Permission permission) {
SecurityManager sm = System.getSecurityManager();
if (sm == null) {
return file.exists();
} else {
sm.checkPermission(permission);
return AccessController.doPrivileged(new PrivilegedAction() {
public Boolean run() {
return file.exists();
}
});
}
}
}