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package sun.security.util;

import sun.security.action.GetPropertyAction;

import java.io.FilePermission;
import java.security.Permission;
import jdk.internal.access.SharedSecrets;

Take care of FilePermission compatibility after JDK-8164705.
/** * Take care of FilePermission compatibility after JDK-8164705. */
public class FilePermCompat {
New behavior? Keep compatibility? Both default true.
/** * New behavior? Keep compatibility? Both default true. */
public static final boolean nb; public static final boolean compat; static { String flag = SecurityProperties.privilegedGetOverridable( "jdk.io.permissionsUseCanonicalPath"); if (flag == null) { flag = "false"; } switch (flag) { case "true": nb = false; compat = false; break; case "false": nb = true; compat = true; break; default: throw new RuntimeException( "Invalid jdk.io.permissionsUseCanonicalPath: " + flag); } } public static Permission newPermPlusAltPath(Permission input) { if (compat && input instanceof FilePermission) { return SharedSecrets.getJavaIOFilePermissionAccess() .newPermPlusAltPath((FilePermission) input); } return input; } public static Permission newPermUsingAltPath(Permission input) { if (input instanceof FilePermission) { return SharedSecrets.getJavaIOFilePermissionAccess() .newPermUsingAltPath((FilePermission) input); } return null; } }