java.io.File.equals()方法的使用及代码示例

x33g5p2x  于2022-01-16 转载在 其他  
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本文整理了Java中java.io.File.equals()方法的一些代码示例，展示了File.equals()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。File.equals()方法的具体详情如下：
包路径：java.io.File
类名称：File
方法名：equals

File.equals介绍

[英]Compares obj to this file and returns true if they represent the same object using a path specific comparison.
[中]

代码示例

代码示例来源：origin: libgdx/libgdx

protected void processDir (Entry entryDir, ArrayList<Entry> files) {
  if (!entryDir.inputFile.equals(inputDir.inputFile) && new File(entryDir.inputFile, "pack.json").exists()) {
    files.clear();
    return;
  }
  if (!countOnly) ignoreDirs.add(entryDir.inputFile);
}

代码示例来源：origin: jenkinsci/jenkins

/**
   * To be kept in sync with {@link FilePathVF#computeRelativePathToRoot()}
   */
  private String computeRelativePathToRoot(){
    if (this.root.equals(this.f)) {
      return "";
    }
    
    Deque<String> relativePath = new LinkedList<>();
    File current = this.f;
    while (current != null && !current.equals(this.root)) {
      relativePath.addFirst(current.getName());
      current = current.getParentFile();
    }
    
    return String.join(File.separator, relativePath) + File.separator;
  }
}

代码示例来源：origin: skylot/jadx

private static boolean isInSubDirectoryInternal(File baseDir, File canonFile) {
  if (canonFile == null) {
    return false;
  }
  if (canonFile.equals(baseDir)) {
    return true;
  }
  return isInSubDirectoryInternal(baseDir, canonFile.getParentFile());
}

代码示例来源：origin: android-hacker/VirtualXposed

public static boolean isSymlink(File file) throws IOException {
  if (file == null)
    throw new NullPointerException("File must not be null");
  File canon;
  if (file.getParent() == null) {
    canon = file;
  } else {
    File canonDir = file.getParentFile().getCanonicalFile();
    canon = new File(canonDir, file.getName());
  }
  return !canon.getCanonicalFile().equals(canon.getAbsoluteFile());
}

代码示例来源：origin: redisson/redisson

/**
 * Creates a new iterator representation for all files within a folder.
 *
 * @param folder The root folder.
 */
protected FolderIterator(File folder) {
  files = new LinkedList<File>(Collections.singleton(folder));
  File candidate;
  do {
    candidate = files.removeFirst();
    File[] file = candidate.listFiles();
    if (file != null) {
      files.addAll(0, Arrays.asList(file));
    }
  } while (!files.isEmpty() && (files.peek().isDirectory() || files.peek().equals(new File(folder, JarFile.MANIFEST_NAME))));
}

代码示例来源：origin: redisson/redisson

String name = element.getName();
if (!name.endsWith("/")) {
  File target = new File(folder, name), resolved = element.resolveAs(File.class);
  if (!target.getCanonicalPath().startsWith(folder.getCanonicalPath())) {
    throw new IllegalArgumentException(target + " is not a subdirectory of " + folder);
  } else if (!target.getParentFile().isDirectory() && !target.getParentFile().mkdirs()) {
    throw new IOException("Could not create directory: " + target.getParent());
  } else if (DISPATCHER.isAlive() && resolved != null && !resolved.equals(target)) {
    DISPATCHER.copy(resolved, target);
  } else if (!target.equals(resolved)) {
    InputStream inputStream = element.getInputStream();
    try {

代码示例来源：origin: Meituan-Dianping/walle

@Override
  public void parse() {
    final File inputFile = files.get(0);
    File outputFile = null;
    if (files.size() == 2) {
      outputFile = files.get(1);
    } else {
      final String name = FilenameUtils.getBaseName(inputFile.getName());
      final String extension = FilenameUtils.getExtension(inputFile.getName());
      final String newName = name + "_" + channel + "." + extension;
      outputFile = new File(inputFile.getParent(), newName);
    }
    if (inputFile.equals(outputFile)) {
      try {
        ChannelWriter.put(outputFile, channel, extraInfo);
      } catch (IOException | SignatureNotFoundException e) {
        e.printStackTrace();
      }
    } else {
      try {
        FileUtils.copyFile(inputFile, outputFile);
        ChannelWriter.put(outputFile, channel, extraInfo);
      } catch (IOException | SignatureNotFoundException e) {
        e.printStackTrace();
      }
    }
  }
}

代码示例来源：origin: apache/geode

private static String tailSystemLog(DistributionConfig sc) throws IOException {
  File logFile = sc.getLogFile();
  if (logFile == null || logFile.equals(new File(""))) {
   return null;
  }
  if (!logFile.isAbsolute()) {
   logFile = new File(logFile.getAbsolutePath());
  }
  return tailSystemLog(logFile);
 }
}

代码示例来源：origin: org.apache.ant/ant

if (!srcFile.exists()) {
  throw new BuildException("src " + srcFile.toString()
               + " does not exist.", getLocation());
if (srcFile.equals(destFile)) {
  log("Warning: src == dest", Project.MSG_WARN);
  } catch (IOException ioe) {
    throw new BuildException(
      "Error copying file: " + srcFile.getAbsolutePath()
        + " due to " + ioe.getMessage());

代码示例来源：origin: jmxtrans/jmxtrans

/**
 * Are we a file and a JSON or YAML file?
 */
private boolean isProcessConfigFile(File file) {
  if (this.configuration.getProcessConfigDirOrFile().isFile()) {
    return file.equals(this.configuration.getProcessConfigDirOrFile());
  }
  // If the file doesn't exist anymore, treat it as a regular file (to handle file deletion events)
  if(file.exists() && !file.isFile()) {
    return false;
  }
  final String fileName = file.getName();
  return !fileName.startsWith(".") && (fileName.endsWith(".json") || fileName.endsWith(".yml") || fileName.endsWith(".yaml"));
}

代码示例来源：origin: citerus/dddsample-core

@Override
public void afterPropertiesSet() throws Exception {
 if (uploadDirectory.equals(parseFailureDirectory)) {
  throw new Exception("Upload and parse failed directories must not be the same directory: " + uploadDirectory);
 }
 if (!uploadDirectory.exists()) {
  uploadDirectory.mkdirs();
 }
 if (!parseFailureDirectory.exists()) {
  parseFailureDirectory.mkdirs();
 }
}

代码示例来源：origin: org.apache.ant/ant

/**
 * Are the two File instances pointing to the same object on the
 * file system?
 *
 * @param f1 File
 * @param f2 File
 * @return boolean
 * @throws IOException if file name canonicalization fails
 * @since Ant 1.8.2
 */
public boolean areSame(File f1, File f2) throws IOException {
  if (f1 == null && f2 == null) {
    return true;
  }
  if (f1 == null || f2 == null) {
    return false;
  }
  File f1Normalized = normalize(f1.getAbsolutePath());
  File f2Normalized = normalize(f2.getAbsolutePath());
  return f1Normalized.equals(f2Normalized)
    || f1Normalized.getCanonicalFile().equals(f2Normalized
                         .getCanonicalFile());
}

代码示例来源：origin: oracle/opengrok

File f1 = parent.getCanonicalFile();
File f2 = file.getCanonicalFile();
if (f1.equals(f2)) {
  LOGGER.log(Level.INFO, "Skipping links to itself...: {0} {1}",
      new Object[]{parent.getAbsolutePath(), file.getAbsolutePath()});
  return false;
while ((t1 = t1.getParentFile()) != null) {
  if (f2.equals(t1)) {
    LOGGER.log(Level.INFO, "Skipping links to parent...: {0} {1}",
        new Object[]{parent.getAbsolutePath(), file.getAbsolutePath()});
    return false;

代码示例来源：origin: Sable/soot

public void add(SootClass c) {
 if (c.isPhantom()) {
  return;
 }
 addAsClassDefItem(c);
 // save original APK for this class, needed to copy all the other files
 // inside
 Map<String, File> dexClassIndex = SourceLocator.v().dexClassIndex();
 if (dexClassIndex == null) {
  return; // no dex classes were loaded
 }
 File sourceForClass = dexClassIndex.get(c.getName());
 if (sourceForClass == null || sourceForClass.getName().endsWith(".dex")) {
  return; // a class was written that was not a dex class or the class
  // originates from a .dex file, not an APK
 }
 if (originalApk != null && !originalApk.equals(sourceForClass)) {
  throw new CompilationDeathException("multiple APKs as source of an application are not supported");
 }
 originalApk = sourceForClass;
}

代码示例来源：origin: stackoverflow.com

public static boolean isSymlink(File file) throws IOException {
 if (file == null)
  throw new NullPointerException("File must not be null");
 File canon;
 if (file.getParent() == null) {
  canon = file;
 } else {
  File canonDir = file.getParentFile().getCanonicalFile();
  canon = new File(canonDir, file.getName());
 }
 return !canon.getCanonicalFile().equals(canon.getAbsoluteFile());
}

代码示例来源：origin: libgdx/libgdx

protected void processDir (Entry entryDir, ArrayList<Entry> files) {
  if (!entryDir.inputFile.equals(inputDir.inputFile) && new File(entryDir.inputFile, "pack.json").exists()) {
    files.clear();
    return;
  }
  if (!countOnly) ignoreDirs.add(entryDir.inputFile);
}

代码示例来源：origin: redisson/redisson

/**
 * {@inheritDoc}
 */
@SuppressFBWarnings(value = "IT_NO_SUCH_ELEMENT", justification = "Exception is thrown by invoking removeFirst on an empty list.")
public Element next() {
  try {
    return new Element.ForFile(folder, files.removeFirst());
  } finally {
    while (!files.isEmpty() && (files.peek().isDirectory() || files.peek().equals(new File(folder, JarFile.MANIFEST_NAME)))) {
      File folder = files.removeFirst();
      File[] file = folder.listFiles();
      if (file != null) {
        files.addAll(0, Arrays.asList(file));
      }
    }
  }
}

代码示例来源：origin: opentripplanner/OpenTripPlanner

/**
 * Grab the rather voluminous vertical datum files from the OTP web server and save them in the NED cache directory.
 */
private void fetchDatum() throws Exception {
  LOG.info("Attempting to fetch datum files from OTP project web server...");
  URL datumUrl = new URL("http://dev.opentripplanner.org/resources/datum.zip");
  ZipInputStream zis = new ZipInputStream(datumUrl.openStream());
  /* Silly boilerplate because Java has no simple unzip-to-directory function. */
  for (ZipEntry entry = zis.getNextEntry(); entry != null; entry = zis.getNextEntry()) {
    if (entry.isDirectory()) {
      throw new RuntimeException("ZIP files containing directories are not supported");
    }
    File file = new File(cacheDirectory, entry.getName());
    if (!file.getParentFile().equals(cacheDirectory)) {
      throw new RuntimeException("ZIP files containing directories are not supported");
    }
    LOG.info("decompressing {}", file);
    OutputStream os = new FileOutputStream(file);
    ByteStreams.copy(zis, os);
    os.close();
  }
  zis.close();
  LOG.info("Done.");
}

代码示例来源：origin: apache/incubator-druid

final File outDir = new File(baseStorageDir, this.getStorageDir(segment, useUniquePath));
if (dataSegmentFile.equals(outDir)) {
 long size = 0;
 for (File file : dataSegmentFile.listFiles()) {
final File tmpOutDir = new File(baseStorageDir, makeIntermediateDir());
log.info("Creating intermediate directory[%s] for segment[%s]", tmpOutDir.toString(), segment.getId());
FileUtils.forceMkdir(tmpOutDir);
 final File tmpIndexFile = new File(tmpOutDir, INDEX_FILENAME);
 final long size = compressSegment(dataSegmentFile, tmpIndexFile);
 final File indexFileTarget = new File(outDir, tmpIndexFile.getName());
 final File descriptorFileTarget = new File(outDir, tmpDescriptorFile.getName());

代码示例来源：origin: twosigma/beakerx

private String createGroovyClassName(File root, File file) {
 StringBuffer sb = new StringBuffer();
 String fileName = file.getName();
 sb.append(fileName.substring(0, fileName.lastIndexOf(".groovy")));
 file = file.getParentFile();
 while (file != null && !file.equals(root)) {
  sb.insert(0, '.').insert(0, file.getName());
  file = file.getParentFile();
 }
 return sb.toString();
}

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