org.wildfly.security.manager.action.GetEnvironmentAction Maven / Gradle / Ivy
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* Copyright 2016 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed 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.wildfly.security.manager.action;
import java.security.PrivilegedAction;
import java.util.Map;
/**
* A security action which retrieves the current environment variable map.
*
* @author David M. Lloyd
*/
public final class GetEnvironmentAction implements PrivilegedAction> {
private static final GetEnvironmentAction INSTANCE = new GetEnvironmentAction();
private GetEnvironmentAction() {
}
/**
* Get the singleton instance.
*
* @return the singleton instance
*/
public static GetEnvironmentAction getInstance() {
return INSTANCE;
}
public Map run() {
return System.getenv();
}
}