Package com.powsybl.commons.datasource

Class FileDataSource

java.lang.Object

com.powsybl.commons.datasource.FileDataSource

All Implemented Interfaces:

DataSource, ReadOnlyDataSource

Direct Known Subclasses:

Bzip2FileDataSource, GzFileDataSource, XZFileDataSource, ZstdFileDataSource

public class FileDataSource
extends Object
implements DataSource

Author:

Geoffroy Jamgotchian <geoffroy.jamgotchian at rte-france.com>

Constructor Summary

Constructors

Constructor	Description
FileDataSource(Path directory, String baseName)
FileDataSource(Path directory, String baseName, DataSourceObserver observer)

Method Summary

Modifier and Type	Method	Description
boolean	exists(String fileName)
boolean	exists(String suffix, String ext)
String	getBaseName()
protected InputStream	getCompressedInputStream(InputStream is)
protected OutputStream	getCompressedOutputStream(OutputStream os)
protected String	getCompressionExt()
Set<String>	listNames(String regex)
InputStream	newInputStream(String fileName)
InputStream	newInputStream(String suffix, String ext)
OutputStream	newOutputStream(String fileName, boolean append)
OutputStream	newOutputStream(String suffix, String ext, boolean append)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

FileDataSource

public FileDataSource(Path directory,
 String baseName)

FileDataSource

public FileDataSource(Path directory,
 String baseName,
 DataSourceObserver observer)

Method Details

getBaseName

public String getBaseName()

Specified by:

getBaseName in interface ReadOnlyDataSource

getCompressionExt

protected String getCompressionExt()

getCompressedInputStream

protected InputStream getCompressedInputStream(InputStream is)
                                        throws IOException

Throws:

IOException

getCompressedOutputStream

protected OutputStream getCompressedOutputStream(OutputStream os)
                                          throws IOException

Throws:

IOException

newOutputStream

public OutputStream newOutputStream(String suffix,
 String ext,
 boolean append)
                             throws IOException

Specified by:

newOutputStream in interface DataSource

Throws:

IOException

newOutputStream

public OutputStream newOutputStream(String fileName,
 boolean append)
                             throws IOException

Specified by:

newOutputStream in interface DataSource

Throws:

IOException

exists

public boolean exists(String suffix,
 String ext)
               throws IOException

Specified by:

exists in interface ReadOnlyDataSource

Throws:

IOException

exists

public boolean exists(String fileName)
               throws IOException

Specified by:

exists in interface ReadOnlyDataSource

Throws:

IOException

newInputStream

public InputStream newInputStream(String suffix,
 String ext)
                           throws IOException

Specified by:

newInputStream in interface ReadOnlyDataSource

Throws:

IOException

newInputStream

public InputStream newInputStream(String fileName)
                           throws IOException

Specified by:

newInputStream in interface ReadOnlyDataSource

Throws:

IOException

listNames

public Set<String> listNames(String regex)
                      throws IOException

Specified by:

listNames in interface ReadOnlyDataSource

Throws:

IOException