gov.nasa.pds.search.core.util

Class Utility

java.lang.Object

gov.nasa.pds.search.core.util.Utility

public class Utility
extends Object

Utility class

Author:

jpadams, mcayanan

Constructor Summary

Constructors

Constructor and Description
Utility()

Method Summary

Methods

Modifier and Type	Method and Description
static InputStream	execHttpRequest(org.apache.http.client.methods.HttpRequestBase request)
static String	getAbsolutePath(String fileType, String filePath, boolean isDir) Method to convert the file path to absolute, if relative, and check if file exists.
static String	getDateTime() Get the current date time.
static List<File>	getFileList(String dir, List<String> filePrefixList) Utility method to get a list of files from the input directory, based on the list of file prefixes.
static boolean	urlExists(String url)

Methods inherited from class java.lang.Object

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

Constructor Detail

Utility

public Utility()

Method Detail

getDateTime

public static String getDateTime()

Get the current date time.

Returns:

A date time.

getAbsolutePath

public static String getAbsolutePath(String fileType,
                     String filePath,
                     boolean isDir)
                              throws InvalidOptionException

Method to convert the file path to absolute, if relative, and check if file exists.

Parameters:

fileType - File type denoted to allow for usable error msgs

filePath - Current path given through the command-line

isDir - Designates if filePath specified is a directory. False means filePath is a file.

Returns:

the absolute path from the input file path

Throws:

InvalidOptionException - thrown if directory does not exist

urlExists

public static boolean urlExists(String url)

execHttpRequest

public static InputStream execHttpRequest(org.apache.http.client.methods.HttpRequestBase request)
                                   throws IOException

Throws:

IOException

getFileList

public static List<File> getFileList(String dir,
                     List<String> filePrefixList)

Utility method to get a list of files from the input directory, based on the list of file prefixes.

Parameters:

dir -

filePrefixList -

Returns: