Examples of org.apache.commons.vfs.provider.FileProvider

org.apache.commons.vfs.provider.FileProvider
A file provider. Each file provider is responsible for handling files for a particular URI scheme.

A file provider may also implement {@link VfsComponent}. @author Adam Murdoch

          "vfs.provider/invalid-descendent-name.error", name);
    }


    String scheme = realBase.getScheme();
    String fullPath = realBase.getRootURI() + resolvedPath;
    final FileProvider provider = (FileProvider) providers.get(scheme);
    if (provider != null)
    {
      // todo: extend the filename parser to be able to parse
      // only a pathname and take the missing informations from
      // the base. Then we can get rid of the string operation.
      // // String fullPath = base.getRootURI() +
      // resolvedPath.substring(1);


      return provider.parseUri(realBase, fullPath);
    }


    if (scheme != null)
    {
      // An unknown scheme - hand it to the default provider - if possible

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    // Extract the scheme
    final String scheme = UriParser.extractScheme(uri);
    if (scheme != null)
    {
      // An absolute URI - locate the provider
      final FileProvider provider = (FileProvider) providers.get(scheme);
      if (provider != null)
      {
        return provider.parseUri(null, uri);
      }


      // Otherwise, assume a local file
    }

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   * Creates a layered file system.
   */
  public FileObject createFileSystem(final String scheme,
      final FileObject file) throws FileSystemException
  {
    final FileProvider provider = (FileProvider) providers.get(scheme);
    if (provider == null)
    {
      throw new FileSystemException("vfs.impl/unknown-provider.error",
          new Object[]
          { scheme, file });
    }
    return provider.createFileSystem(scheme, file, file.getFileSystem()
        .getFileSystemOptions());
  }

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   * Closes the given filesystem.<br />
   * If you use VFS as singleton it is VERY dangerous to call this method
   */
  public void _closeFileSystem(FileSystem filesystem)
  {
    FileProvider provider = (FileProvider) providers.get(filesystem
        .getRootName().getScheme());
    if (provider != null)
    {
      ((AbstractFileProvider) provider).closeFileSystem(filesystem);
    }

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   *             if the given scheme is not konwn
   */
  public Collection getProviderCapabilities(final String scheme)
      throws FileSystemException
  {
    FileProvider provider = (FileProvider) providers.get(scheme);
    if (provider == null)
    {
      throw new FileSystemException("vfs.impl/unknown-scheme.error",
          new Object[]
          { scheme });
    }


    return provider.getCapabilities();
  }

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   *             if the given scheme is not konwn
   */
  public FileSystemConfigBuilder getFileSystemConfigBuilder(
      final String scheme) throws FileSystemException
  {
    FileProvider provider = (FileProvider) providers.get(scheme);
    if (provider == null)
    {
      throw new FileSystemException("vfs.impl/unknown-scheme.error",
          new Object[]
          { scheme });
    }


    return provider.getConfigBuilder();
  }

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   */
  final class VfsStreamHandlerFactory implements URLStreamHandlerFactory
  {
    public URLStreamHandler createURLStreamHandler(final String protocol)
    {
      FileProvider provider = (FileProvider) providers.get(protocol);
      if (provider != null)
      {
        return new DefaultURLStreamHandler(context);
      }

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                return;
            }
        }


        // Create and register the provider
        final FileProvider provider = (FileProvider) createInstance(classname);
        final String[] schemas = getSchemas(providerDef);
        if (schemas.length > 0)
        {
            addProvider(schemas, provider);
        }

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Related Classes of org.apache.commons.vfs.provider.FileProvider

org.apache.commons.vfs.impl.DefaultFileSystemManager

org.apache.commons.vfs.impl.DefaultFileSystemManager$VfsStreamHandlerFactory

org.apache.commons.vfs.impl.StandardFileSystemManager

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