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comparison src/luan/modules/IoLuan.java @ 1311:ca742d51b31f

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don't delete into symbolic links
author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 24 Jan 2019 21:15:03 -0700
parents 781ec0a92bb5
children 15af473045c4
comparison
equal deleted inserted replaced
1310:41b35c15ad36 1311:ca742d51b31f
23 import java.net.InetAddress; 23 import java.net.InetAddress;
24 import java.net.Inet4Address; 24 import java.net.Inet4Address;
25 import java.net.NetworkInterface; 25 import java.net.NetworkInterface;
26 import java.net.MalformedURLException; 26 import java.net.MalformedURLException;
27 import java.net.UnknownHostException; 27 import java.net.UnknownHostException;
28 import java.nio.file.Files;
28 import java.util.Enumeration; 29 import java.util.Enumeration;
29 import java.util.Map; 30 import java.util.Map;
30 import luan.LuanState; 31 import luan.LuanState;
31 import luan.LuanTable; 32 import luan.LuanTable;
32 import luan.LuanFunction; 33 import luan.LuanFunction;
460 if( file.exists() ) 461 if( file.exists() )
461 delete(file); 462 delete(file);
462 } 463 }
463 464
464 private static void delete(File file) throws LuanException { 465 private static void delete(File file) throws LuanException {
465 File[] children = file.listFiles(); 466 if( !isSymbolicLink(file) ) {
466 if( children != null ) { 467 File[] children = file.listFiles();
467 for( File child : children ) { 468 if( children != null ) {
468 delete(child); 469 for( File child : children ) {
470 delete(child);
471 }
469 } 472 }
470 } 473 }
471 if( !file.delete() ) 474 if( !file.delete() )
472 throw new LuanException("couldn't delete file "+file); 475 throw new LuanException("couldn't delete file "+file);
473 } 476 }
480 } 483 }
481 484
482 public void set_last_modified(long time) throws LuanException { 485 public void set_last_modified(long time) throws LuanException {
483 if( !file.setLastModified(time) ) 486 if( !file.setLastModified(time) )
484 throw new LuanException("couldn't set_last_modified on "+file); 487 throw new LuanException("couldn't set_last_modified on "+file);
488 }
489
490 private static boolean isSymbolicLink(File file) {
491 return Files.isSymbolicLink(file.toPath());
492 }
493
494 public boolean is_symbolic_link() {
495 return isSymbolicLink(file);
485 } 496 }
486 } 497 }
487 498
488 public static LuanUrl classpath(LuanState luan,String name) throws LuanException { 499 public static LuanUrl classpath(LuanState luan,String name) throws LuanException {
489 if( name.contains("//") ) 500 if( name.contains("//") )