OpenFileInputStreamAction.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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package sun.security.action;

import java.io.*;

import java.security.PrivilegedExceptionAction;

/**
 * A convenience class for opening a FileInputStream as a privileged action.
 *
 * @author Andreas Sterbenz
 */
public class OpenFileInputStreamAction
        implements PrivilegedExceptionAction<FileInputStream> {

    private final File file;

    public OpenFileInputStreamAction(File file) {
        this.file = file;
    }

    public OpenFileInputStreamAction(String filename) {
        this.file = new File(filename);
    }

    public FileInputStream run() throws Exception {
        return new FileInputStream(file);
    }
}