本文整理了Java中java.io.FileNotFoundException.<init>()方法的一些代码示例，展示了FileNotFoundException.<init>()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。FileNotFoundException.<init>()方法的具体详情如下：
包路径：java.io.FileNotFoundException
类名称：FileNotFoundException
方法名：<init>

FileNotFoundException.<init>介绍

[英]Constructs a new FileNotFoundException with its stack trace filled in.
[中]构造一个新的FileNotFoundException，并填充其堆栈跟踪。

代码示例

代码示例来源：origin: dropwizard/dropwizard

@Override
  public InputStream open(String path) throws IOException {
    final File file = new File(path);
    if (!file.exists()) {
      throw new FileNotFoundException("File " + file + " not found");
    }

    return new FileInputStream(file);
  }
}

代码示例来源：origin: google/guava

/** Gets URL for base of path containing Finalizer.class. */
URL getBaseUrl() throws IOException {
 // Find URL pointing to Finalizer.class file.
 String finalizerPath = FINALIZER_CLASS_NAME.replace('.', '/') + ".class";
 URL finalizerUrl = getClass().getClassLoader().getResource(finalizerPath);
 if (finalizerUrl == null) {
  throw new FileNotFoundException(finalizerPath);
 }
 // Find URL pointing to base of class path.
 String urlString = finalizerUrl.toString();
 if (!urlString.endsWith(finalizerPath)) {
  throw new IOException("Unsupported path style: " + urlString);
 }
 urlString = urlString.substring(0, urlString.length() - finalizerPath.length());
 return new URL(finalizerUrl, urlString);
}

代码示例来源：origin: redisson/redisson

public static void deleteFile(File dest) throws IOException {
  if (!dest.exists()) {
    throw new FileNotFoundException(MSG_NOT_FOUND + dest);
  }
  if (!dest.isFile()) {
    throw new IOException(MSG_NOT_A_FILE + dest);
  }
  if (!dest.delete()) {
    throw new IOException(MSG_UNABLE_TO_DELETE + dest);
  }
}

代码示例来源：origin: apache/geode

protected File processDirOption(final Map<String, Object> options, final String dirValue)
  throws FileNotFoundException {
 final File inputWorkingDirectory = new File(dirValue);
 if (!inputWorkingDirectory.exists()) {
  throw new FileNotFoundException(
    String.format("The input working directory does not exist: %s",
      dirValue));
 }
 options.put(DIR, inputWorkingDirectory);
 return inputWorkingDirectory;
}

代码示例来源：origin: stackoverflow.com

new BufferedInputStream(new FileInputStream(zipFile)));
try {
  ZipEntry ze;
  byte[] buffer = new byte[8192];
  while ((ze = zis.getNextEntry()) != null) {
    File file = new File(targetDirectory, ze.getName());
    File dir = ze.isDirectory() ? file : file.getParentFile();
    if (!dir.isDirectory() && !dir.mkdirs())
      throw new FileNotFoundException("Failed to ensure directory: " +
          dir.getAbsolutePath());
    if (ze.isDirectory())
      continue;

代码示例来源：origin: apache/ignite

/**
 * @param file File.
 * @return Same file.
 * @throws FileNotFoundException If does not exist.
 */
private static File checkExists(File file) throws FileNotFoundException {
  if (!file.exists())
    throw new FileNotFoundException("File " + file.getAbsolutePath() + " does not exist.");
  return file;
}

代码示例来源：origin: spring-projects/spring-framework

/**
 * Resolve the given resource URI to a {@code java.io.File},
 * i.e. to a file in the file system.
 * @param resourceUri the resource URI to resolve
 * @param description a description of the original resource that
 * the URI was created for (for example, a class path location)
 * @return a corresponding File object
 * @throws FileNotFoundException if the URL cannot be resolved to
 * a file in the file system
 * @since 2.5
 */
public static File getFile(URI resourceUri, String description) throws FileNotFoundException {
  Assert.notNull(resourceUri, "Resource URI must not be null");
  if (!URL_PROTOCOL_FILE.equals(resourceUri.getScheme())) {
    throw new FileNotFoundException(
        description + " cannot be resolved to absolute file path " +
        "because it does not reside in the file system: " + resourceUri);
  }
  return new File(resourceUri.getSchemeSpecificPart());
}

代码示例来源：origin: commons-io/commons-io

throw new NullPointerException("Destination must not be null");
if (!src.exists()) {
  throw new FileNotFoundException("Source '" + src + "' does not exist");
if (src.isDirectory()) {
  moveDirectoryToDirectory(src, destDir, createDestDir);
} else {

代码示例来源：origin: commons-codec/commons-codec

public XXHash32Test(final String path, final String c) throws IOException {
  final URL url = XXHash32Test.class.getClassLoader().getResource(path);
  if (url == null) {
    throw new FileNotFoundException("couldn't find " + path);
  }
  URI uri = null;
  try {
    uri = url.toURI();
  } catch (final java.net.URISyntaxException ex) {
    throw new IOException(ex);
  }
  file = new File(uri);
  expectedChecksum = c;
}

代码示例来源：origin: jenkinsci/jenkins

/**
 * Reverses the migration, in case you want to revert to the older format.
 * @param args one parameter, {@code $JENKINS_HOME}
 */
public static void main(String... args) throws Exception {
  if (args.length != 1) {
    throw new Exception("pass one parameter, $JENKINS_HOME");
  }
  File root = new File(args[0]);
  File jobs = new File(root, "jobs");
  if (!jobs.isDirectory()) {
    throw new FileNotFoundException("no such $JENKINS_HOME " + root);
  }
  new RunIdMigrator().unmigrateJobsDir(jobs);
}
private void unmigrateJobsDir(File jobs) throws Exception {

代码示例来源：origin: commons-io/commons-io

/**
 * checks requirements for file copy
 * @param src the source file
 * @param dest the destination
 * @throws FileNotFoundException if the destination does not exist
 */
private static void checkFileRequirements(final File src, final File dest) throws FileNotFoundException {
  if (src == null) {
    throw new NullPointerException("Source must not be null");
  }
  if (dest == null) {
    throw new NullPointerException("Destination must not be null");
  }
  if (!src.exists()) {
    throw new FileNotFoundException("Source '" + src + "' does not exist");
  }
}

代码示例来源：origin: nutzam/nutz

/**
 * 获取File对象输入流,即使在Jar文件中一样工作良好!! <b>强烈推荐</b>
 * 
 */
protected static InputStream _input(File file) throws IOException {
  if (file.exists())
    return new FileInputStream(file);
  if (Scans.isInJar(file)) {
    NutResource nutResource = Scans.makeJarNutResource(file);
    if (nutResource != null)
      return nutResource.getInputStream();
  }
  throw new FileNotFoundException(file.toString());
}

代码示例来源：origin: selenide/selenide

private File firstDownloadedFile(WebElementSource anyClickableElement,
                  FileDownloadFilter filter, long timeout) throws FileNotFoundException {
  List<File> files = filter.getDownloadedFiles();
  if (files.isEmpty()) {
   throw new FileNotFoundException("Failed to download file " + anyClickableElement +
    " in " + timeout + " ms." + filter.getResponses());
  }

  log.info("Downloaded file: " + files.get(0).getAbsolutePath());
  log.info("Just in case, all intercepted responses: " + filter.getResponses());
  return files.get(0);
 }
}

代码示例来源：origin: stackoverflow.com

void delete(File f) throws IOException {
 if (f.isDirectory()) {
  for (File c : f.listFiles())
   delete(c);
 }
 if (!f.delete())
  throw new FileNotFoundException("Failed to delete file: " + f);
}

代码示例来源：origin: redisson/redisson

private static void checkDirCopy(File srcDir, File destDir) throws IOException {
  if (!srcDir.exists()) {
    throw new FileNotFoundException(MSG_NOT_FOUND + srcDir);
  }
  if (!srcDir.isDirectory()) {
    throw new IOException(MSG_NOT_A_DIRECTORY + srcDir);
  }
  if (equals(srcDir, destDir)) {
    throw new IOException("Source '" + srcDir + "' and destination '" + destDir + "' are equal");
  }
}

代码示例来源：origin: apache/geode

protected static File processDirOption(final Map<String, Object> options, final String dirValue)
  throws FileNotFoundException {
 final File workingDirectory = new File(dirValue);
 if (!workingDirectory.exists()) {
  throw new FileNotFoundException(
    String.format("The input working directory does not exist: %s",
      dirValue));
 }
 options.put(DIR, workingDirectory);
 return workingDirectory;
}

代码示例来源：origin: spotbugs/spotbugs

void f(Object doc, File docFile) throws IOException {
  Map<Integer, String> attachments = new HashMap<Integer, String>();
  if ((docFile != null) && docFile.exists()) {
    attachments.put(doc.hashCode(), doc.toString());
  } else {
    System.out.println("Can not read uploaded file: " + ((docFile != null) ? docFile.getAbsolutePath() : "") + " : "
        + doc.toString());
    throw new FileNotFoundException("file not found in disk!" + ((docFile != null) ? docFile.getAbsolutePath() : "")
        + " : " + doc.toString());
  }
}

代码示例来源：origin: redisson/redisson

public static byte[] readBytes(File file, int fixedLength) throws IOException {
  if (!file.exists()) {
    throw new FileNotFoundException(MSG_NOT_FOUND + file);
  }
  if (!file.isFile()) {
    throw new IOException(MSG_NOT_A_FILE + file);
  }
  long len = file.length();
  if (len >= Integer.MAX_VALUE) {
    throw new IOException("File is larger then max array size");
  }
  if (fixedLength > -1 && fixedLength < len) {
    len = fixedLength;
  }
  byte[] bytes = new byte[(int) len];
  RandomAccessFile randomAccessFile = new RandomAccessFile(file, "r");
  randomAccessFile.readFully(bytes);
  randomAccessFile.close();
  return bytes;
}

代码示例来源：origin: spring-projects/spring-framework

/**
 * Resolve the given resource URL to a {@code java.io.File},
 * i.e. to a file in the file system.
 * @param resourceUrl the resource URL to resolve
 * @param description a description of the original resource that
 * the URL was created for (for example, a class path location)
 * @return a corresponding File object
 * @throws FileNotFoundException if the URL cannot be resolved to
 * a file in the file system
 */
public static File getFile(URL resourceUrl, String description) throws FileNotFoundException {
  Assert.notNull(resourceUrl, "Resource URL must not be null");
  if (!URL_PROTOCOL_FILE.equals(resourceUrl.getProtocol())) {
    throw new FileNotFoundException(
        description + " cannot be resolved to absolute file path " +
        "because it does not reside in the file system: " + resourceUrl);
  }
  try {
    return new File(toURI(resourceUrl).getSchemeSpecificPart());
  }
  catch (URISyntaxException ex) {
    // Fallback for URLs that are not valid URIs (should hardly ever happen).
    return new File(resourceUrl.getFile());
  }
}

代码示例来源：origin: apache/geode

@Override
public void load(File dir, SnapshotFormat format) throws IOException, ClassNotFoundException {
 if (!dir.exists() || !dir.isDirectory()) {
  throw new FileNotFoundException("Unable to load snapshot from " + dir.getCanonicalPath()
    + " as the file does not exist or is not a directory");
 }
 File[] snapshotFiles = getSnapshotFiles(dir);
 load(snapshotFiles, format, createOptions());
}