Example usage for org.apache.commons.vfs2 FileName getRoot

Introduction

In this page you can find the example usage for org.apache.commons.vfs2 FileName getRoot.

Prototype

FileName getRoot();

Source Link

Document

Finds the root of the file system.

Usage

From source file:org.pentaho.big.data.impl.vfs.hdfs.HDFSFileProvider.java

@Override
protected FileSystem doCreateFileSystem(final FileName name, final FileSystemOptions fileSystemOptions)
        throws FileSystemException {
    GenericFileName genericFileName = (GenericFileName) name.getRoot();
    String hostName = genericFileName.getHostName();
    int port = genericFileName.getPort();
    // TODO: load from metastore
    NamedCluster namedCluster = namedClusterService.getClusterTemplate();
    namedCluster.setHdfsHost(hostName);//w w  w  .  j  a  va2  s  .c  o  m
    if (port > 0) {
        namedCluster.setHdfsPort(String.valueOf(port));
    } else {
        namedCluster.setHdfsPort("");
    }
    namedCluster.setMapr(MAPRFS.equals(name.getScheme()));
    try {
        return new HDFSFileSystem(name, fileSystemOptions, hadoopFileSystemLocator
                .getHadoopFilesystem(namedCluster, URI.create(name.getURI() == null ? "" : name.getURI())));
    } catch (ClusterInitializationException e) {
        throw new FileSystemException(e);
    }
}

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From source file:org.pentaho.big.data.impl.vfs.hdfs.HDFSFileProviderTest.java

@Test
public void testDoCreateFileSystemNoPort() throws FileSystemException, ClusterInitializationException {
    String testHostname = "testHostname";
    FileName fileName = mock(FileName.class);
    GenericFileName genericFileName = mock(GenericFileName.class);
    when(fileName.getURI()).thenReturn("");
    when(fileName.getRoot()).thenReturn(genericFileName);
    when(genericFileName.getHostName()).thenReturn(testHostname);
    when(genericFileName.getPort()).thenReturn(-1);
    assertTrue(hdfsFileProvider.doCreateFileSystem(fileName, null) instanceof HDFSFileSystem);
    verify(hadoopFileSystemLocator).getHadoopFilesystem(namedCluster, URI.create(""));
    verify(namedCluster).setHdfsHost(testHostname);
    verify(namedCluster).setHdfsPort("");
}

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From source file:org.pentaho.big.data.impl.vfs.hdfs.HDFSFileProviderTest.java

@Test
public void testDoCreateFileSystemPort() throws FileSystemException, ClusterInitializationException {
    String testHostname = "testHostname";
    FileName fileName = mock(FileName.class);
    GenericFileName genericFileName = mock(GenericFileName.class);
    when(fileName.getURI()).thenReturn("");
    when(fileName.getRoot()).thenReturn(genericFileName);
    when(genericFileName.getHostName()).thenReturn(testHostname);
    when(genericFileName.getPort()).thenReturn(111);
    assertTrue(hdfsFileProvider.doCreateFileSystem(fileName, null) instanceof HDFSFileSystem);
    verify(hadoopFileSystemLocator).getHadoopFilesystem(namedCluster, URI.create(""));
    verify(namedCluster).setHdfsHost(testHostname);
    verify(namedCluster).setHdfsPort("111");
}

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From source file:org.pentaho.big.data.impl.vfs.hdfs.nc.NamedClusterProvider.java

@Override
protected FileSystem doCreateFileSystem(FileName name, FileSystemOptions fileSystemOptions)
        throws FileSystemException {
    GenericFileName genericFileName = (GenericFileName) name.getRoot();
    String clusterName = genericFileName.getHostName();
    String path = genericFileName.getPath();
    NamedCluster namedCluster = getNamedClusterByName(clusterName, fileSystemOptions);
    try {//  w w w.  ja v  a 2s  .c  o m
        if (namedCluster == null) {
            namedCluster = namedClusterService.getClusterTemplate();
        }
        String generatedUrl = namedCluster.processURLsubstitution(path == null ? "" : path,
                getMetastore(clusterName, fileSystemOptions), new Variables());
        URI uri = URI.create(generatedUrl);

        return new NamedClusterFileSystem(name, uri, fileSystemOptions,
                hadoopFileSystemLocator.getHadoopFilesystem(namedCluster, uri));
    } catch (ClusterInitializationException e) {
        throw new FileSystemException(e);
    }
}

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