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

                return;
            }
        }


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

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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.findFile(realBaseFile, uri, fileSystemOptions);
            }
// Otherwise, assume a local file
        }


// Handle absolute file names

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            throw new FileSystemException("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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     */
    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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        return new VfsStreamHandlerFactory();
    }


    public void closeFileSystem(FileSystem filesystem)
    {
        FileProvider provider = (FileProvider) providers.get(filesystem.getRootName().getScheme());
        if (provider != null)
        {
            ((AbstractFileProvider) provider).closeFileSystem(filesystem);
        }
    }

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     *
     * @throws FileSystemException 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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     *
     * @throws FileSystemException 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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    // 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.findFile(realBaseFile, uri, fileSystemOptions);
      }
      // Otherwise, assume a local file
    }


    // Handle absolute file names

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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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