1 /*
   2  * Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any

 196     public abstract boolean setReadOnly(File f);
 197 
 198 
 199     /* -- Filesystem interface -- */
 200 
 201     /**
 202      * List the available filesystem roots.
 203      */
 204     public abstract File[] listRoots();
 205 
 206     /* -- Disk usage -- */
 207     @Native public static final int SPACE_TOTAL  = 0;
 208     @Native public static final int SPACE_FREE   = 1;
 209     @Native public static final int SPACE_USABLE = 2;
 210 
 211     public abstract long getSpace(File f, int t);
 212 
 213     /* -- Basic infrastructure -- */
 214 
 215     /**







 216      * Compare two abstract pathnames lexicographically.
 217      */
 218     public abstract int compare(File f1, File f2);
 219 
 220     /**
 221      * Compute the hash code of an abstract pathname.
 222      */
 223     public abstract int hashCode(File f);
 224 
 225     // Flags for enabling/disabling performance optimizations for file
 226     // name canonicalization
 227     static boolean useCanonCaches      = true;
 228     static boolean useCanonPrefixCache = true;
 229 
 230     private static boolean getBooleanProperty(String prop, boolean defaultVal) {
 231         return Boolean.parseBoolean(System.getProperty(prop,
 232                 String.valueOf(defaultVal)));
 233     }
 234 
 235     static {

   1 /*
   2  * Copyright (c) 1998, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any

 196     public abstract boolean setReadOnly(File f);
 197 
 198 
 199     /* -- Filesystem interface -- */
 200 
 201     /**
 202      * List the available filesystem roots.
 203      */
 204     public abstract File[] listRoots();
 205 
 206     /* -- Disk usage -- */
 207     @Native public static final int SPACE_TOTAL  = 0;
 208     @Native public static final int SPACE_FREE   = 1;
 209     @Native public static final int SPACE_USABLE = 2;
 210 
 211     public abstract long getSpace(File f, int t);
 212 
 213     /* -- Basic infrastructure -- */
 214 
 215     /**
 216      * Retrieve the maximum length of a component of a file path.
 217      *
 218      * @return The maximum length of a file path component.
 219      */
 220     public abstract long getNameMax(String path);
 221 
 222     /**
 223      * Compare two abstract pathnames lexicographically.
 224      */
 225     public abstract int compare(File f1, File f2);
 226 
 227     /**
 228      * Compute the hash code of an abstract pathname.
 229      */
 230     public abstract int hashCode(File f);
 231 
 232     // Flags for enabling/disabling performance optimizations for file
 233     // name canonicalization
 234     static boolean useCanonCaches      = true;
 235     static boolean useCanonPrefixCache = true;
 236 
 237     private static boolean getBooleanProperty(String prop, boolean defaultVal) {
 238         return Boolean.parseBoolean(System.getProperty(prop,
 239                 String.valueOf(defaultVal)));
 240     }
 241 
 242     static {