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/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2014 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.jboss.modules;

import java.security.PrivilegedAction;

/**
* @author David M. Lloyd
*/
class PropertyReadAction implements PrivilegedAction {

    private final String key;
    private final String defVal;

    PropertyReadAction(final String key) {
        this(key, null);
    }

    PropertyReadAction(final String key, final String defVal) {
        this.key = key;
        this.defVal = defVal;
    }

    public String run() {
        return System.getProperty(key, defVal);
    }
}