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17 package org.apache.logging.log4j.core.helpers;
18
19 import java.io.File;
20 import java.io.IOException;
21 import java.io.UnsupportedEncodingException;
22 import java.net.MalformedURLException;
23 import java.net.URI;
24 import java.net.URISyntaxException;
25 import java.net.URL;
26 import java.net.URLDecoder;
27
28 import org.apache.logging.log4j.Logger;
29 import org.apache.logging.log4j.status.StatusLogger;
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34 public final class FileUtils {
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37 private static final String PROTOCOL_FILE = "file";
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39 private static final String JBOSS_FILE = "vfsfile";
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41 private static final Logger LOGGER = StatusLogger.getLogger();
42
43 private FileUtils() {
44 }
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53 public static File fileFromURI(URI uri) {
54 if (uri == null || (uri.getScheme() != null &&
55 (!PROTOCOL_FILE.equals(uri.getScheme()) && !JBOSS_FILE.equals(uri.getScheme())))) {
56 return null;
57 }
58 if (uri.getScheme() == null) {
59 try {
60 uri = new File(uri.getPath()).toURI();
61 } catch (final Exception ex) {
62 LOGGER.warn("Invalid URI " + uri);
63 return null;
64 }
65 }
66 try {
67 String fileName = uri.toURL().getFile();
68 if (new File(fileName).exists()) {
69 return new File(fileName);
70 }
71 return new File(URLDecoder.decode(fileName, "UTF8"));
72 } catch (final MalformedURLException ex) {
73 LOGGER.warn("Invalid URL " + uri, ex);
74 } catch (final UnsupportedEncodingException uee) {
75 LOGGER.warn("Invalid encoding: UTF8", uee);
76 }
77 return null;
78 }
79
80 public static boolean isFile(final URL url) {
81 return url != null && (url.getProtocol().equals(PROTOCOL_FILE) || url.getProtocol().equals(JBOSS_FILE));
82 }
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90 public static void mkdir(final File dir, final boolean createDirectoryIfNotExisting ) throws IOException {
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92 if (!dir.exists()) {
93 if(!createDirectoryIfNotExisting) {
94 throw new IOException( "The directory " + dir.getAbsolutePath() + " does not exist." );
95 }
96 if(!dir.mkdirs()) {
97 throw new IOException( "Could not create directory " + dir.getAbsolutePath() );
98 }
99 }
100 if (!dir.isDirectory()) {
101 throw new IOException("File " + dir + " exists and is not a directory. Unable to create directory.");
102 }
103 }
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113 public static URI getCorrectedFilePathUri(String uri) throws URISyntaxException {
114 return new URI(uri.replaceAll("\\\\+", "/"));
115 }
116 }