src/java.base/windows/classes/sun/net/www/protocol/file/UNCFileURLConnection.java - master - niceSOFT/openjdk21

src/java.base/windows/classes/sun/net/www/protocol/file/UNCFileURLConnection.java

51 строка2 KB

Pavel Rappo

8213431: Improve file protocol handling

30 янв 2019, 17:14

30 янв 2019, 17:146f7a08d

/*
 * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * 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).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package sun.net.www.protocol.file;

import java.io.File;
import java.io.FilePermission;
import java.net.URL;
import java.security.Permission;

final class UNCFileURLConnection extends FileURLConnection {

    private final String effectivePath;
    private volatile Permission permission;

    UNCFileURLConnection(URL u, File file, String effectivePath) {
        super(u, file);
        this.effectivePath = effectivePath;
    }

    @Override
    public Permission getPermission() {
        Permission perm = permission;
        if (perm == null) {
            permission = perm = new FilePermission(effectivePath, "read");
        }
        return perm;
    }
}