Package edu.odu.cs.cs350

Class DocumentIdentifier

java.lang.Object

edu.odu.cs.cs350.DocumentIdentifier

public class DocumentIdentifier
extends Object

class identifies the type of a document file and determines whether text files contain only ASCII characters.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	DocumentIdentifier.DocumentType	Enumeration for supported document types.

Constructor Summary

Constructors

Constructor	Description
DocumentIdentifier()

Method Summary

Modifier and Type	Method	Description
static DocumentIdentifier.DocumentType	identify(File file)	Identifies the type of document based on its file extension.
static boolean	isTextDocument(File file)	Checks whether a given text file contains only ASCII characters.
static void	main(String[] args)	Main method for identifying a document's type from the command line.

Methods inherited from class java.lang.Object

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

Constructor Details

DocumentIdentifier

public DocumentIdentifier()

Method Details

identify

public static DocumentIdentifier.DocumentType identify(File file)

Identifies the type of document based on its file extension.

Parameters:

file - the file to identify

Returns:

DocumentType.PDF if the file is a PDF, DocumentType.ASCII_TEXT if the file is a text file, or DocumentType.UNSUPPORTED otherwise

isTextDocument

public static boolean isTextDocument(File file)

Checks whether a given text file contains only ASCII characters.

Parameters:

file - the text file to check

Returns:

true if the file contains only ASCII characters (0–127), false otherwise

main

public static void main(String[] args)

Main method for identifying a document's type from the command line. Usage: java DocumentIdentifier <file>

Parameters:

args - the command-line arguments, where args[0] is the file path