ch.epfl.bbp.uima.utils

Class StructuredDirectory

java.lang.Object

ch.epfl.bbp.uima.utils.StructuredDirectory

public class StructuredDirectory
extends Object

Util to get and create paths for storing millions of files in an organized, structured folder structure.

Author:

renaud.richardet@epfl.ch

Constructor Summary

Constructors

Constructor and Description
StructuredDirectory()

Method Summary

Methods

Modifier and Type	Method and Description
static int	decodeFileName(File inputFile)
static int	decodeFileName(String inputFile)
static String	getFilePath(int docId, String extention)
static int[]	getSplit(int docId)
static File	storeFile(File outDir, File inputFile)

Methods inherited from class java.lang.Object

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

Constructor Detail

StructuredDirectory

public StructuredDirectory()

Method Detail

getSplit

public static int[] getSplit(int docId)

Parameters:

docId -

Returns:

an array with 3 elements, the last 2 elements have 3 digits, e.g.:

• 2345678 -> {2, 345, 678}
• 78 -> {0, 0, 78} (no leading 0es, just 78!)

storeFile

public static File storeFile(File outDir,
             File inputFile)
                      throws IOException

Parameters:

inputFile - will be copied to an organized directory-structure, e.g 2345678.txt to {outdir}/2/345/678.txt

outDir -

Returns:

the newly created file

Throws:

IOException

decodeFileName

public static int decodeFileName(File inputFile)
                          throws IOException

Throws:

IOException

decodeFileName

public static int decodeFileName(String inputFile)
                          throws IOException

Throws:

IOException

getFilePath

public static String getFilePath(int docId,
                 String extention)

Parameters:

docId - usually PubMed id

extention - e.g. "gz", or "pdf" (WITHOUT dot!)

Returns:

a path, e.g.:

• 2345678, "gz" -> "2/345/678.gz"
• 78, "pdf" -> "0/0/78.pdf"