StackOverflowError

import java.util.*;

import java.io.*;

import java.text.*;

public class Crawler//class decleration

{

private ArrayList<String> inputStrings = new ArrayList<String>();//creates a new instance of the arrray list object and protects it using the public keyword

private SimpleDateFormat simpledateformat = new SimpleDateFormat("yyyy-mm-dd");

private File file;

private String archiveOutputDestination = "archive.txt";

private String copyOutputDestination = "copy.txt";

private String htmlOutputDestination = "report.htm";

private PrintStream archive;

private PrintStream copy;

private PrintStream html;

public Crawler()

{

try

{

archive = new PrintStream(archiveOutputDestination);

copy = new PrintStream(copyOutputDestination);

html = new PrintStream(htmlOutputDestination);

}

catch(FileNotFoundException e)

{

System.out.println("File cannot be openned or created please check that the file does not already exist");

}

}

public void main(String[] args)//method decleration

{

if(args.length <3)//if statement decleration

{

this.incorrectInput();//method execution

}

if(args.length>3)//if statement decleration

{

for(int i=0;i<args.length;i++)//

{

inputStrings.add(args[i]);//

}

this.dirMapper(inputStrings.get(0));//method execution

}

this.fileCorrect(file);//

}

public void incorrectInput()//method decleration

{

String dirName;//Creates a new String varriable called

String timeStamp;//Creates a new String varriable called

String extensions = "";//Creates a new String varriable called

Scanner directory = new Scanner(System.in);//creates a new instance of the scanner object

Scanner time = new Scanner(System.in);//creates a new instance of the scanner object

Scanner extension = new Scanner(System.in);//creates a new instance of the scanner object

Scanner inputscan = new Scanner(extensions);//creates a new instance of the scanner object

System.out.println("Invalid input in argument strings");//method which prints a line on the command line promting the user for

System.out.println("Please input a valid directory");//method which prints a line on the command line promting the user for

dirName = directory.nextLine();//assigns the next line of input from the command line to varriable

inputStrings.add(dirName);

System.out.println("Please input a valid time and date");//method which prints a line on the command line promting the user for

timeStamp = time.nextLine();//assigns the next line of input from the command line to varriable

inputStrings.add(timeStamp);

System.out.println("Please input valid file extensions in a continuous string use a space to seperate each one");//method which prints a line on the command line promting the user for

extensions = extension.nextLine();//assigns the next line of input from the command line to varriable

while(inputscan.hasNext())//

{

inputStrings.add(extensions);//

}

this.dirMapper(inputStrings.get(0));//

}

public void dirMapper(String dirName)//method decleration

{

try

{

dirName = inputStrings.get(0);

File file = new File(dirName);//

File[]files = file.listFiles();//

for(int i=0;i<files.length;i++)//

{

files[i].getName();//

if(files[i].isDirectory())//

{

this.dirMapper(dirName+"/"+files[i].getName());//

}

else//

{

this.fileExtensionFilter(file);//

}

}

}

catch (StackOverflowError e)

{

System.out.println("An error has ocurred");

System.err.println("A diificulty has been risen whilst trying to read the directory"+dirName);

}

}

public boolean fileExtensionFilter(File files)//method decleration

{

for (int i=2; i><inputStrings.size(); i++)

{

if(files.getName().substring(files.getName().length() - inputStrings.get(i).length()).equalsIgnoreCase(inputStrings.get(i)))

{

return true;

}

}

return false;

}

public boolean archiveFilter(File file)//method decleration

{

Date date = new Date();

if(file.lastModified() >< (date.getTime() - (100 * (24 * (60 * (60 * 100)))) ) )

{

return true;

}

return false;

}

public boolean hasBeenModified(File file)//method decleration

{

Date date = new Date();

try

{

simpledateformat.parse(inputStrings.get(1));

}

catch(ParseException e)

{

System.out.println("Invalid date input. You will now be redirected to re input the data");

this.incorrectInput();

}

if(file.lastModified() > (date.getTime()))

{

return true;

}

return false;

}

public void fileCorrect(File file)

{

int i =0;

ArrayList <File> toBeArchived = new ArrayList <File>();

ArrayList <File> toBeCopied = new ArrayList <File>();

if(this.fileExtensionFilter(file))

{

for(i=0;i<toBeArchived.size();i++)

{

System.out.println("toBeArchived"+file+i);

if(this.archiveFilter(file))

{

toBeArchived.add(i, file);

}

}

for(i=0;i<toBeCopied.size();i++)

{

System.out.println("toBeCopied"+file+i);

if(this.hasBeenModified(file))

{

toBeCopied.add(i, file);

}

}

}

this.archiveOutput(toBeArchived, archive);

this.copyOutput(toBeCopied, copy);

this.htmlOutput(toBeCopied, toBeArchived, html);

}

public void archiveOutput(ArrayList ><File> toBeArchived, PrintStream archive)//method decleration

{

int i;

archive.print("Files to be Archived");

archive.println();

archive.print("File");

archive.print("Path");

archive.print("Last Modified ");

archive.println();

for(i=0;i<toBeArchived.size();i++)

{

archive .print(toBeArchived.get(i).getName());

archive.print(toBeArchived.get(i).getPath());

archive.print(toBeArchived.get(i).lastModified());

archive.println("");

}

archive.close();

}

public void copyOutput(ArrayList ><File> toBeCopied, PrintStream copy)//method decleration

{

int i;

copy.print("Files to be Copied");

copy.println();

copy.print("File");

copy.print("Path");

copy.print("Last Modified ");

copy.println();

for(i=0;i<toBeCopied.size();i++)

{

copy.print(toBeCopied.get(i).getName());

copy.print(toBeCopied.get(i).getPath());

copy.print(toBeCopied.get(i).lastModified());

copy.println("");

}

copy.close();

}

public void htmlOutput(ArrayList ><File> toBeCopied, ArrayList <File> toBeArchived, PrintStream html)//method decleration

{

int i;

html.println("<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">");

html.println("<html>");

html.println("<head>");

html.println("<title>Archive/Copy Report</title>");

html.println("<link rel=\"stylesheet\" type=\"text/css\" href=\"report.css\" />");

html.println("</head>");

html.println("<body class=\"body\">");

html.println("Archive/Copy Report");

html.println("<div class=\"archive\">");

html.println("Files to be Archived");

html.println("<table width=\"315\" border=\"1\" class=\"table\">");

html.println("<tr>");

html.println("<td>Filename</td>");

html.println("<td>Path</td>");

html.println("<td>Last Modified</td>");

html.println("</tr>");

html.println("<tr>");

for(i=0;i<toBeArchived.size();i++)

{

html.println("><td>"+ toBeArchived.get(i).getName() + "</td>");

html.println("<td>"+ toBeArchived.get(i).getPath()+"</td>");

html.println("<td>"+ toBeArchived.get(i).lastModified() +"</td>");

}

html.println("</tr>");

html.println("</table>");

html.println("</div>");

html.println("Files to be Copied");

html.println("<div class\"copy\">");

html.println("<table width=\"315\" border=\"1\" class=\"table\">");

html.println("<tr>");

html.println("<td>Filename</td>");

html.println("<td>Path</td>");

html.println("<td>Last Modified</td>");

html.println("</tr>");

html.println("<tr>");

for(i=0;i<toBeCopied.size();i++)

{

html.println("><td>"+toBeCopied.get(i).getName()+"</td>");

html.println("<td>"+toBeCopied.get(i).getPath()+"</td>");

html.println("<td>"+toBeCopied.get(i).lastModified()+"</td>");

}

html.println("</tr>");

html.println("</table>");

html.println("</div>");

html.println("</body>");

html.println("</html>");

html.close();

}

}

Strikebacka at 2007-7-13 19:36:07 >