import org.apache.commons.vfs2.FileSystemConfigBuilder; //导入依赖的package包/类
protected AbstractFileSystem(final FileName rootName,
                             final FileObject parentLayer,
                             final FileSystemOptions fileSystemOptions)
{
    // this.parentLayer = parentLayer;
    this.parentLayer = parentLayer;
    this.rootName = rootName;
    this.fileSystemOptions = fileSystemOptions;
    FileSystemConfigBuilder builder = DefaultFileSystemConfigBuilder.getInstance();
    String uri = builder.getRootURI(fileSystemOptions);
    if (uri == null)
    {
        uri = rootName.getURI();
    }
    this.rootURI = uri;
}
 

import org.apache.commons.vfs2.FileSystemConfigBuilder; //导入依赖的package包/类
@Test
public void getConfigBuilder() throws FileSystemException {
  final AtomicBoolean called = new AtomicBoolean( false );
  String scheme = "scheme";
  HadoopConfiguration config =
    new HadoopConfiguration( VFS.getManager().resolveFile( "ram:///" ), "id", "name", new MockHadoopShim(), null,
      null, null );
  FileProvider provider = new MockFileProvider() {
    @Override
    public FileSystemConfigBuilder getConfigBuilder() {
      called.set( true );
      return null;
    }
  };

  HadoopConfigurationFileSystemManager fsm = createTestFileSystemManager( config, scheme, provider );
  ActiveHadoopShimFileProvider p = new ActiveHadoopShimFileProvider( fsm, scheme );
  p.getConfigBuilder();

  assertTrue( "Expected provider method not called", called.get() );
}
 

import org.apache.commons.vfs2.FileSystemConfigBuilder; //导入依赖的package包/类
/**
 * create the list of all set*() methods for the given scheme
 */
private Map<String, List<Method>> createSchemeMethods(String scheme) throws FileSystemException
{
    final FileSystemConfigBuilder fscb = getManager().getFileSystemConfigBuilder(scheme);
    if (fscb == null)
    {
        throw new FileSystemException("vfs.provider/no-config-builder.error", scheme);
    }

    Map<String, List<Method>> schemeMethods = new TreeMap<String, List<Method>>();

    Method[] methods = fscb.getClass().getMethods();
    for (int iterMethods = 0; iterMethods < methods.length; iterMethods++)
    {
        Method method = methods[iterMethods];
        if (!Modifier.isPublic(method.getModifiers()))
        {
            continue;
        }

        String methodName = method.getName();
        if (!methodName.startsWith("set"))
        {
            // not a setter
            continue;
        }

        String key = methodName.substring(3).toLowerCase();

        List<Method> configSetter = schemeMethods.get(key);
        if (configSetter == null)
        {
            configSetter = new ArrayList<Method>(2);
            schemeMethods.put(key, configSetter);
        }
        configSetter.add(method);
    }

    return schemeMethods;
}
 

import org.apache.commons.vfs2.FileSystemConfigBuilder; //导入依赖的package包/类
/**
 * Get the configuration builder for the given scheme.
 * @param scheme The scheme to locate.
 * @return The FileSystemConfigBuilder for the scheme.
 * @throws FileSystemException if the given scheme is not konwn
 */
public FileSystemConfigBuilder getFileSystemConfigBuilder(final String scheme)
        throws FileSystemException
{
    FileProvider provider = providers.get(scheme);
    if (provider == null)
    {
        throw new FileSystemException("vfs.impl/unknown-scheme.error", new Object[] {scheme});
    }

    return provider.getConfigBuilder();
}
 

import org.apache.commons.vfs2.FileSystemConfigBuilder; //导入依赖的package包/类
@Override
public FileSystemConfigBuilder getConfigBuilder() {
  try {
    return fsm.getActiveFileProvider( scheme ).getConfigBuilder();
  } catch ( FileSystemException e ) {
    return null;
  }
}
 

import org.apache.commons.vfs2.FileSystemConfigBuilder; //导入依赖的package包/类
@Override
public FileSystemConfigBuilder getFileSystemConfigBuilder( String scheme ) throws FileSystemException {
  lock.readLock().lock();
  try {
    return super.getFileSystemConfigBuilder( scheme );
  } finally {
    lock.readLock().unlock();
  }
}
 

import org.apache.commons.vfs2.FileSystemConfigBuilder; //导入依赖的package包/类
/** {@inheritDoc} */
@Override
public FileSystemConfigBuilder getConfigBuilder() {
    return GsiFtpFileSystemConfigBuilder.getInstance();
}
 

import org.apache.commons.vfs2.FileSystemConfigBuilder; //导入依赖的package包/类
public FileSystemConfigBuilder getConfigBuilder() {
  // not needed for our usage
  return null;
}
 

import org.apache.commons.vfs2.FileSystemConfigBuilder; //导入依赖的package包/类
@Override
public FileSystemConfigBuilder getConfigBuilder()
{
    return FtpFileSystemConfigBuilder.getInstance();
}
 

import org.apache.commons.vfs2.FileSystemConfigBuilder; //导入依赖的package包/类
@Override
public FileSystemConfigBuilder getConfigBuilder()
{
    return SftpFileSystemConfigBuilder.getInstance();
}
 

import org.apache.commons.vfs2.FileSystemConfigBuilder; //导入依赖的package包/类
@Override
public FileSystemConfigBuilder getConfigBuilder()
{
    return HttpFileSystemConfigBuilder.getInstance();
}
 

import org.apache.commons.vfs2.FileSystemConfigBuilder; //导入依赖的package包/类
@Override
public FileSystemConfigBuilder getConfigBuilder()
{
    return org.apache.commons.vfs2.provider.res.ResourceFileSystemConfigBuilder.getInstance();
}
 

import org.apache.commons.vfs2.FileSystemConfigBuilder; //导入依赖的package包/类
@Override
public FileSystemConfigBuilder getConfigBuilder()
{
    return WebdavFileSystemConfigBuilder.getInstance();
}
 

import org.apache.commons.vfs2.FileSystemConfigBuilder; //导入依赖的package包/类
@Override
public FileSystemConfigBuilder getConfigBuilder()
{
    return FtpsFileSystemConfigBuilder.getInstance();
}
 

import org.apache.commons.vfs2.FileSystemConfigBuilder; //导入依赖的package包/类
/**
 * Returns the FileSystemConfigBuidler.
 * @return the FileSystemConfigBuilder.
 */
public FileSystemConfigBuilder getConfigBuilder()
{
    return null;
}
 

import org.apache.commons.vfs2.FileSystemConfigBuilder; //导入依赖的package包/类
@Override
public FileSystemConfigBuilder getConfigBuilder() {
  // TODO Auto-generated method stub
  return null;
}
 

import org.apache.commons.vfs2.FileSystemConfigBuilder; //导入依赖的package包/类
@Override
public FileSystemConfigBuilder getConfigBuilder() {
  throw new NotImplementedException();
}
 

import org.apache.commons.vfs2.FileSystemConfigBuilder; //导入依赖的package包/类
/**
 * Gets the configbuilder useable to collect the needed fileSystemOptions.
 * @return a FileSystemConfigBuilder for the particular file system.
 */
FileSystemConfigBuilder getConfigBuilder();