Mercurial > hg4j

annotate src/org/tmatesoft/hg/util/RegularFileStats.java @ 525:0be5be8d57e9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Repository checkout support, first iteration
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Fri, 11 Jan 2013 18:12:39 +0100
parents c02b5710d9ac
children 661e77dc88ba
rev   line source
413
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1 /*
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
2 * Copyright (c) 2012 TMate Software Ltd
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
3 *
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
4 * This program is free software; you can redistribute it and/or modify
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
5 * it under the terms of the GNU General Public License as published by
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
6 * the Free Software Foundation; version 2 of the License.
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
7 *
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
8 * This program is distributed in the hope that it will be useful,
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
11 * GNU General Public License for more details.
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
12 *
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
13 * For information on how to redistribute this software under
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
14 * the terms of a license other than GNU General Public License
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
15 * contact TMate Software at support@hg4j.com
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
16 */
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
17 package org.tmatesoft.hg.util;
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
18
456
909306e412e2 Refactor LogFacility and SessionContext, better API for both
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 429
diff changeset
19 import static org.tmatesoft.hg.util.LogFacility.Severity.Warn;
909306e412e2 Refactor LogFacility and SessionContext, better API for both
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 429
diff changeset
20
413
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
21 import java.io.File;
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
22 import java.io.IOException;
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
23 import java.util.ArrayList;
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
24 import java.util.Arrays;
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
25 import java.util.Collections;
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
26 import java.util.HashMap;
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
27 import java.util.HashSet;
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
28 import java.util.List;
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
29 import java.util.Map;
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
30 import java.util.Set;
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
31 import java.util.TreeMap;
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
32 import java.util.regex.Matcher;
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
33 import java.util.regex.Pattern;
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
34
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 423
diff changeset
35 import org.tmatesoft.hg.core.SessionContext;
413
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
36 import org.tmatesoft.hg.internal.Internals;
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
37 import org.tmatesoft.hg.internal.ProcessExecHelper;
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
38
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
39 /**
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
40 * Utility to collect executable files and symbolic links in a directory.
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
41 *
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
42 *
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
43 * Not public as present approach (expect file but collect once per directory) may need to be made explicit
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
44 *
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
45 * TODO post-1.0 Add Linux-specific set of tests (similar to my test-flags repository, with symlink, executable and regular file,
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
46 * and few revisions where link and exec flags change. +testcase when link points to non-existing file (shall not report as missing,
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
47 * iow either FileInfo.exist() shall respect symlinks or WCSC account for )
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
48 *
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
49 * TODO post-1.0 Add extraction of link modification time, see RegularFileInfo#lastModified()
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
50 *
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
51 * @author Artem Tikhomirov
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 413
diff changeset
52 * @author TMate Software Ltd.
413
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
53 */
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
54 /*package-local*/ class RegularFileStats {
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
55 private boolean isExec, isSymlink;
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
56 private String symlinkValue;
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
57 private final List<String> command;
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
58 private final ProcessExecHelper execHelper;
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
59 private final Matcher linkMatcher, execMatcher;
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 423
diff changeset
60 private final SessionContext sessionContext;
413
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
61
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
62
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
63 // directory name to (short link name -> link target)
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
64 private Map<String, Map<String, String>> dir2links = new TreeMap<String, Map<String, String>>();
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
65 // directory name to set of executable file short names
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
66 private Map<String, Set<String>> dir2execs = new TreeMap<String, Set<String>>();
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
67
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
68
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 423
diff changeset
69 RegularFileStats(SessionContext ctx) {
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 423
diff changeset
70 sessionContext = ctx;
413
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
71 if (Internals.runningOnWindows()) {
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
72 // XXX this implementation is not yet tested against any Windows repository,
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
73 // only against sample dir listings. As long as Mercurial doesn't handle Windows
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
74 // links, we don't really need this
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
75 command = Arrays.asList("cmd", "/c", "dir");
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
76 // Windows patterns need to work against full directory listing (I didn't find a way
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
77 // to list single file with its attributes like SYMLINK)
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
78 Pattern pLink = Pattern.compile("^\\S+.*\\s+<SYMLINK>\\s+(\\S.*)\\s+\\[(.+)\\]$", Pattern.MULTILINE);
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
79 Pattern pExec = Pattern.compile("^\\S+.*\\s+\\d+\\s+(\\S.*\\.exe)$", Pattern.MULTILINE);
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
80 linkMatcher = pLink.matcher("");
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
81 execMatcher = pExec.matcher("");
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
82 } else {
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
83 command = Arrays.asList("/bin/ls", "-l", "-Q"); // -Q is essential to get quoted name - the only way to
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
84 // tell exact file name (which may start or end with spaces.
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
85 Pattern pLink = Pattern.compile("^lrwxrwxrwx\\s.*\\s\"(.*)\"\\s+->\\s+\"(.*)\"$", Pattern.MULTILINE);
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
86 // pLink: group(1) is full name if single file listing (ls -l /usr/bin/java) and short name if directory listing (ls -l /usr/bin)
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
87 // group(2) is link target
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
88 Pattern pExec = Pattern.compile("^-..[sx]..[sx]..[sx]\\s.*\\s\"(.+)\"$", Pattern.MULTILINE);
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
89 // pExec: group(1) is name of executable file
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
90 linkMatcher = pLink.matcher("");
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
91 execMatcher = pExec.matcher("");
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
92 }
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
93 execHelper = new ProcessExecHelper();
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
94 }
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
95
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 423
diff changeset
96 /**
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 423
diff changeset
97 * Fails silently indicating false for both x and l in case interaction with file system failed
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 423
diff changeset
98 * @param f file to check, doesn't need to exist
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 423
diff changeset
99 */
413
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
100 public void init(File f) {
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 423
diff changeset
101 isExec = isSymlink = false;
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 423
diff changeset
102 symlinkValue = null;
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 423
diff changeset
103 //
413
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
104 // can't check isFile because Java would say false for a symlink with non-existing target
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
105 if (f.isDirectory()) {
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
106 // perhaps, shall just collect stats for all files and set false to exec/link flags?
429
cd658b24a620 FIXMEs: javadoc, proper use of constants
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
107 throw new IllegalArgumentException();
413
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
108 }
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
109 final String dirName = f.getParentFile().getAbsolutePath();
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
110 final String fileName = f.getName();
476
c02b5710d9ac Defect: only first file in directory got flags initialized
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
111 try {
c02b5710d9ac Defect: only first file in directory got flags initialized
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
112 Map<String, String> links = dir2links.get(dirName);
c02b5710d9ac Defect: only first file in directory got flags initialized
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
113 Set<String> execs = dir2execs.get(dirName);
c02b5710d9ac Defect: only first file in directory got flags initialized
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
114 if (links == null || execs == null) {
413
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
115 ArrayList<String> cmd = new ArrayList<String>(command);
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
116 cmd.add(dirName);
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
117 CharSequence result = execHelper.exec(cmd);
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
118
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
119 if (execMatcher.reset(result).find()) {
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
120 execs = new HashSet<String>();
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
121 do {
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
122 execs.add(execMatcher.group(1));
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
123 } while (execMatcher.find());
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
124 } else {
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
125 execs = Collections.emptySet(); // indicate we tried and found nothing
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
126 }
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
127 if (linkMatcher.reset(result).find()) {
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
128 links = new HashMap<String, String>();
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
129 do {
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
130 links.put(linkMatcher.group(1), linkMatcher.group(2));
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
131 } while (linkMatcher.find());
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
132 } else {
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
133 links = Collections.emptyMap();
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
134 }
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
135 dir2links.put(dirName, links);
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
136 dir2execs.put(dirName, execs);
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
137 }
476
c02b5710d9ac Defect: only first file in directory got flags initialized
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
138 isExec = execs.contains(fileName);
c02b5710d9ac Defect: only first file in directory got flags initialized
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
139 isSymlink = links.containsKey(fileName);
c02b5710d9ac Defect: only first file in directory got flags initialized
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
140 if (isSymlink) {
c02b5710d9ac Defect: only first file in directory got flags initialized
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
141 symlinkValue = links.get(fileName);
c02b5710d9ac Defect: only first file in directory got flags initialized
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
142 } else {
c02b5710d9ac Defect: only first file in directory got flags initialized
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
143 symlinkValue = null;
c02b5710d9ac Defect: only first file in directory got flags initialized
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
144 }
c02b5710d9ac Defect: only first file in directory got flags initialized
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
145 } catch (InterruptedException ex) {
c02b5710d9ac Defect: only first file in directory got flags initialized
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
146 sessionContext.getLog().dump(getClass(), Warn, ex, String.format("Failed to detect flags for %s", f));
c02b5710d9ac Defect: only first file in directory got flags initialized
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
147 // try again? ensure not too long? stop right away?
c02b5710d9ac Defect: only first file in directory got flags initialized
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
148 // IGNORE, keep isExec and isSymlink false
c02b5710d9ac Defect: only first file in directory got flags initialized
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
149 } catch (IOException ex) {
c02b5710d9ac Defect: only first file in directory got flags initialized
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
150 sessionContext.getLog().dump(getClass(), Warn, ex, String.format("Failed to detect flags for %s", f));
c02b5710d9ac Defect: only first file in directory got flags initialized
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
151 // IGNORE, keep isExec and isSymlink false
413
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
152 }
476
c02b5710d9ac Defect: only first file in directory got flags initialized
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
153 }
413
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
154
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
155 public boolean isExecutable() {
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
156 return isExec;
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
157 }
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
158
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
159 public boolean isSymlink() {
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
160 return isSymlink;
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
161 }
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
162
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
163 public String getSymlinkTarget() {
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
164 if (isSymlink) {
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
165 return symlinkValue;
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
166 }
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
167 throw new UnsupportedOperationException();
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
168 }
7f27122011c3 Support and respect for symbolic links and executable flag, with /bin/ls backed implementation to discover these
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
169 }