Converting a text file into an array
import java.io.*;
public class Copy {
public static void main(String[] args) throws IOException {
File inputFile = new File("farrago.txt");
File outputFile = new File("outagain.txt");
FileReader in = new FileReader(inputFile);
FileWriter out = new FileWriter(outputFile);
int c;
while ((c = in.read()) != -1)
out.write(c);
in.close();
out.close();
i have been working my way through the online tutorials and have found them very helpful, i have looked at array and would like to know how to convert data from a text file inot an array? using the above example how would i go about doing this?
You'd use the readLine () method:BufferedReader reader = new BufferedReader (new FileReader (file));
String line;
List list = new LinkedList ();
while ((line = reader.readLine ()) != null) {
list.add (line);
// don't know why you'd want this, but anyway
String[] lines = (String[]) list.toArray (new String[list.size ()]);Kind regards,
Levi
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Reading one line from a text file into an array
i want to read one line from a text file into an array, and then the next line into a different array. both arays are type string...i have this:
public static void readAndProcessData(FileInputStream stream){
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int i = 0;
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this section calls it:
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it gives me an array index out of bounds erroroh wait I see it when I looked at the original quote.
They array you made called names or the other one is prob too small for the amount of names that you have in the file. Hence as I increases it eventually goes out of bounds of the array so you should probably resize the array if that happens. -
Setting Font for converting multiple text files into PDF using VB 6.0
Dear All,
Am converting multiple text files into PDF using VB6.0. Currently, am unable to control the font face and size for the generated files. Below is the procedure am using for each file;
Public Sub proc_convert_to_PDF(srcFilename As String, destFilename As String)
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What I need;
1) to be able to set the font face of the destination file ( destFilename)
2) to be able to set the font size of the destination file ( destFilename)
Am using Adobe Acrobat 7.0 Type Library
Kindly Help.
Thanks in advanceWe didn't say it doesn't work. We said it isn't supported.
There are a number of other ways to make a PDF. The one which would
give the most control is if your application directly printed to GDI,
controlling the font directly. This could print to Adobe PDF.
You could look for an application that gives control of font for
printing.
You could use a text-to-PostScript system and distill the result. You
could even look for a non-Adobe text-to-PDF.
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How to convert the TEXT file into an XML using plsql code
Hi all ,
I need to convert an TEXT file into an XML file how can i do it
Below is my sample TEXT file .
TDETL00000000020000000000000120131021115854ST2225SKU77598059 0023-000000010000
I want the above to be converted into the below format
<?xml version="1.0" encoding="UTF-8"?>
<txt2xml>
<!-- Processor splits text into lines -->
<processor type="RegexDelimited">
<regex>\n</regex>
<!--
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NOTE: this was designed to work with all the processors, however it
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<element>FHEAD</element>
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<element>LineSeq,TransControlNumber,TransDate,LocationType,Location,ItemType,Item,UPCSupplement,InventoryStatus,AdjustReason,AdjustSign,AdjustQty</element>
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ThanksSorry, that doesn't make much sense.
The XML you gave is a configuration file for txt2xml utility. It doesn't represent the output format.
Are you a user of this utility? -
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I need to convert a text file (in whatever format, in my case it would be xml and xsl files) in a String.
I made this methods:
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int bLetti = fInp.read(byteArray);
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There are no compilation or runtime errors, but the result string is empty. Not null, empty. What should I do? :)Do you really want to use bytes and so on when java does it all for you?
Here's how I did it, hope it's useful.
public String getFileAsString(String fileName){
StringBuffer buffer = new StringBuffer();
try{
BufferedReader bRead = new BufferedReader(new FileReader(new File(fileName)));
String str = "";
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how to convert a line from text file into string?
i know how to convert to numbers,
private int parseLine1(String line) {
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value2 = Integer.valueOf(tokenizer.nextToken()).intValue();
return value1;
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private int positioni(){
int i=0;
int j=0;
int b=0;
String line="";
while(line!= null){
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j=b;
t=line.length();
line=read(gridFileN);
return i;
private String read(String ggridFileN){
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Reading from file into an array
Hello, new to Java and we need to modify a mortgage calculator to read interest rate from a file into an array and not have them hard coded in the program. I have read many post on how to perform this but am lost on where to put the new code and format. Here is my code and I hope I posted this right.
import javax.swing.*; // Imports the Main Swing Package
import javax.swing.event.*;
import javax.swing.text.*; // Used for Text Box Caret Position
import java.awt.*; // Imports the main AWT Package
import java.awt.event.*; // Event handling class are defined here
import java.text.NumberFormat;
import java.text.*; // Imports the Main Text Package
import java.util.*; // Imports the Main Utility Package
public class mortgageCalculator1 extends JFrame implements ActionListener // Creates class mortgageCalculator
JLabel AmountLabel = new JLabel(" Enter Mortgage Amount:$ "); // Declares Mortgage Amount Label
JTextField mortgageAmount = new JTextField(10); // Declares Mortgage Amount Text Field
JButton IntandTerm1B = new JButton("7 years at 5.35%"); // Declares 1st Mortgage Term and Interest Rate
JButton IntandTerm2B = new JButton("15 years at 5.50%"); // Declares 2nd Mortgage Term and Interest Rate
JButton IntandTerm3B = new JButton("30 years at 5.75%"); // Declares 3rd Mortgage Term and Interest Rate
JLabel PaymentLabel = new JLabel(" Monthly Payment: "); // Declares Monthly Payment Label
JTextField monthlyPayment = new JTextField(10); // Declares Monthly Payment Text Field
JButton exitButton = new JButton("Exit"); // Declares Exit Button
JButton newcalcButton = new JButton("New Calculation"); // Declares New Calculation Button
JTextArea mortgageTable = new JTextArea(35,65); // Declares Mortgage Table Area
JScrollPane scroll = new JScrollPane(mortgageTable); // Declares ScrollPane and puts the Mortgage Table inside
public mortgageCalculator1() // Creates Method
super("MORTGAGE CALCULATOR"); // Title of Frame
JMenuBar mb = new JMenuBar(); // Cretes Menu Bar
JMenu fileMenu = new JMenu("File"); // Creates File Menu
fileMenu.setMnemonic('F'); // Enables alt + f to Access File Menu
JMenuItem exitItem = new JMenuItem("Exit"); // Creates Exit in File Menu
fileMenu.add(exitItem); // Adds Exit to File Menu
exitItem.addActionListener(new ActionListener() // Adds Action Listener to the Exit Item
public void actionPerformed(ActionEvent e) // Tests to Verify if File->Exit is Pressed
System.exit(0); // Exits the Programs when File->Exit is Pressed
mb.add(fileMenu); // Adds the File Menu
setJMenuBar(mb);
setSize(600, 400); // Sets Size of Frame
setLocation(200,200); // Sets the Location of the Window
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); // Command on how to close frame
JPanel pane = new JPanel(); // Declares the JPanel
pane.setLayout(new BoxLayout(pane, BoxLayout.Y_AXIS)); // Sets Panel Layout to BoxLayout
Container grid = getContentPane(); // Declares a Container called grid
grid.setLayout(new GridLayout(4,3,5,5)); // Sets grid Layout to GridLayout
pane.add(grid); // Adds the grid to the Panel
pane.add(scroll); // Addes the scrollPane to the Panel
grid.setBackground(Color.yellow); // Set grid color to Yellow
setCursor(new Cursor(Cursor.HAND_CURSOR)); // Makes the cursor look like a hand
mortgageAmount.setBackground(Color.black); // Sets mortgageAmount JPanel JTextField Background Color
mortgageAmount.setForeground(Color.white); // Sets mortgageAmount JPanel JTextField Foreground Color
mortgageAmount.setCaretColor(Color.white); // Sets mortgageAmount JPanel JTextField Caret Color
mortgageAmount.setFont(new Font("Lucida Sans Typewriter", Font.PLAIN, 18)); // Sets mortgageAmount JPanel JTextField Font
monthlyPayment.setBackground(Color.black); // Sets monthlyPayment JPanel JTextField Background Color
monthlyPayment.setForeground(Color.white); // Sets monthlyPayment JPanel JTextField Foreground Color
monthlyPayment.setFont(new Font("Lucida Sans Typewriter", Font.PLAIN, 18)); // Sets monthlyPayment JPanel JTextField Font
mortgageTable.setBackground(Color.yellow); // Sets mortgageTable JTextArea Background Color
mortgageTable.setForeground(Color.black); // Sets mortgageTable JTextArea Foreground Color
mortgageTable.setFont(new Font("Arial", Font.PLAIN, 18)); // Sets JTextArea Font
grid.add(AmountLabel); // Adds the Mortgage Amount Label
grid.add(mortgageAmount); // Adds the Mortgage Amount Text Field
grid.add(IntandTerm1B); // Adds 1st Loan and Rate Button
grid.add(PaymentLabel); // Adds the Payment Label
grid.add(monthlyPayment); // Adds the Monthly Payment Text Field
monthlyPayment.setEditable(false); // Disables editing in this Text Field
grid.add(IntandTerm2B); // Adds 2nd Loan and Rate Button
grid.add(exitButton);
grid.add(newcalcButton); // Adds the New Calc Button
grid.add(IntandTerm3B); // Adds the Exit Button
setContentPane(pane); // Enables the Content Pane
setVisible(true); // Sets JPanel to be Visable
exitButton.addActionListener(this); // Adds Action Listener to the Exit Button
newcalcButton.addActionListener(this); // Adds Action Listener to the New Calc Button
IntandTerm1B.addActionListener(this); // Adds Action Listener to the 1st loan Button
IntandTerm2B.addActionListener(this); // Adds Action Listener to the 2nd loan Button
IntandTerm3B.addActionListener(this); // Adds Action Listener to the 3rd loan Button
mortgageAmount.addActionListener(this); // Adds Action Listener to the Mortgage Amount Text Field
monthlyPayment.addActionListener(this); // Adds Action Listener to the Monthly payment Text Field
public void actionPerformed(ActionEvent e) // Tests to Verify Which Button is Pressed
Object command = e.getSource(); // Enables command to get data
if (command == exitButton) //sets exitButton // Activates the Exit Button
System.exit(0); // Exits from exit button // Exits from exit button
int loanTerm = 0; // Declares loanTerm
if (command == IntandTerm1B) // Activates the 1st Loan Button
loanTerm = 0; // Sets 1st value of Array
if (command == IntandTerm2B) // Activates the 2nd Loan Button
loanTerm = 1; // Sets 2nd value of Array
if (command == IntandTerm3B) // Activates the 3rd Loan Button
loanTerm = 2; // Sets 3rd value of Array
double mortgage = 0; // Declares and Initializes mortgage
double rate = 0; // Declares and Initializes rate
double [][] loans = {{7, 5.35}, {15, 5.50}, {30, 5.75},}; // Array Data for Calculation
try
mortgage = Double.parseDouble(mortgageAmount.getText()); // Gets user input from mortgageAmount Text Field
catch (NumberFormatException nfe) // Checks for correct number fformatting of user input
JOptionPane.showMessageDialog (this, "Error! Invalid input!"); // Outputs error if number is wrong format or nothing is entered
return;
double interestRate = loans [loanTerm][1]; // Sets interestRate amount
double intRate = (interestRate / 100) / 12; // Calculates Interst Rate
double loanTermMonths = loans [loanTerm] [0]; // Calculates Loan Term in Months
int months = (int)loanTermMonths * 12; // Converts Loan Term to Months
double interestRateMonthly = (intRate / 12); // monthly interst rate
double payment = mortgage * intRate / (1 - (Math.pow(1/(1 + intRate), months))); // Calculation for Monthly payment
double remainingLoanBalance = mortgage; // Sets Reamaining Balance
double monthlyPaymentInterest = 0; // holds current interest payment
double monthlyPaymentPrincipal = 0; // holds current principal payment
NumberFormat myCurrencyFormatter = NumberFormat.getCurrencyInstance(Locale.US); // Number formatter to format output in table
monthlyPayment.setText(myCurrencyFormatter.format(payment));
mortgageTable.setText("Month\tPrincipal\tInterest\tEnding Balance\n" + // Formats morgageTable Header
"---------\t----------\t------------\t---------------------\n");
for (;months > 0 ; months -- )
monthlyPaymentInterest = (remainingLoanBalance * intRate); // Calculation for Monthly Payment Toward Interest
//Calculate H = R x I
monthlyPaymentPrincipal = (payment - monthlyPaymentInterest); // Calculation for Monthly Payment Toward Principal
//Calculate C = P - H
remainingLoanBalance = (remainingLoanBalance - monthlyPaymentPrincipal); // Calculation for Reamining loan Balance
// Calculate R = R - C
// H = monthlyPaymentInterest
// R = remainingLoanBalance
// P = payment
// C = monthlyPaymentPrincipal
// I = interestRateMonthly
mortgageTable.setCaret (new DefaultCaret()); // Sets Scroll position to the top left corner
mortgageTable.append(String.valueOf(months) + "\t" + // Pulls in data and formats MortgageTable
myCurrencyFormatter.format(monthlyPaymentPrincipal) + "\t" +
myCurrencyFormatter.format(monthlyPaymentInterest) + "\t" +
myCurrencyFormatter.format(remainingLoanBalance) + "\n");
if(command == newcalcButton) // Activates the new calculation Button
mortgageAmount.setText(null); //clears mortgage amount fields
monthlyPayment.setText(null); //clears monthly payment fields
mortgageTable.setText(null); //clears mortgage table
public static void main(String[] args) //This is the signature of the entry point of all the desktop apps
new mortgageCalculator1();
}OK, making a little progress but am still very confused.
What I have is a file (int&term.dat) with three lines;
5.75, 30
5.5, 15
5.35 ,7
I have three JButtom that I what to read a seperate line and place the term in a term TextField and a rate in a Rate TextField
I have added the following code and all it does now is output a black space to the screen; I am working with one Button and Just the rate for now to try and get it to work. I have been looking at the forums, reading the internet and several books to try and figure this out. I think I may be getting closer.
public static void read()
String line;
StringTokenizer tokenizer;
String rate;
String term;
try
FileReader fr = new FileReader ("int&term.dat");
BufferedReader inFile = new BufferedReader (fr);
line = inFile.readLine();
while (line != null)
tokenizer = new StringTokenizer(line);
rate = tokenizer.nextToken();
line = inFile.readLine();
inFile.close();
System.out.println(new String());
catch (FileNotFoundException exception)
System.out.println ("The file was not found.");
catch (IOException exception)
System.out.println (exception);
} -
Reading String (Name-Value) from text file into XML
Hi,
I have a requirement for reading a text file and converting each entry of that text file into XML format. I have not came across such thing yet so looking for some ideas. I am using SQL Server 2005 and here is a sample entry from my source text file,
Jun 4 14:31:00 zzzz64x02 fff:
INPUT(ty=XYZ,Prefix=15063,dn=78787878787878,sgk=100.139.201.48,xxn=87878,ani=656565656565,ogrp=F7ZX05,ogtxt=NNNNN,ogx=NNNNN,oci=0xe00ac,ogi={NOA=INT,BC=1,SIG-TYPE=ZIP});
PROCESS(ty=0x100000,cu=32880,Name=XOXOXOX,pc=88017,pd=24,dd=880175,pk=880175,rd=115472,ca=BGD,reg=RW,cdp=1,ai=245359,grp=2648,sl=9);
OUTPUT(ty=XXXX,ret=0,rl=
{i=1,su=99999,rizID=61084,skid=06,truckgp=1084,dd=8801,dn=78787878787878}
I will get multiple entries like this in my source text file which I have to convert into XML (using TSQL).
Any help will be useful.
Regards.
'In Persuit of Happiness' and ..... learning SQL.And I'm telling you that this is a bad option. You would use the vaccum cleaner to wash the dishes, would you?
If you for some reason would do this task in SQL Server, you would implement it as a CLR stored procedure, but from what you have said I don't understand why you would do this server-side at all.
What's wrong with the current C# solution?
Erland Sommarskog, SQL Server MVP, [email protected]
Got it. I was just looking for the available options, nothing wrong with my C# solution. And yes, I don't use vacuum cleaner to wash dishes.
'In Persuit of Happiness' and ..... learning SQL. -
Error importing text file into SQL Server when last column is null
Hello all. Happy holidays!
I'm trying to import a text file into a SQL Server table, and I get the error below when it gets to a row (row 264) that has null in the last column. I'm guessing the null jumbles up the delimiters somehow. The nulls are not errors, and I need to import
them into the table with the rest of the rows. Any idea how I can do that?
Thanks!
[Flat File Source [1]] Error: Data conversion failed. The data conversion for column "XYZ" returned status value 2 and status text "The value could not be converted because of a potential loss of data.".
[Flat File Source [1]] Error: SSIS Error Code DTS_E_INDUCEDTRANSFORMFAILUREONERROR. The "output column "XYZ" (178)" failed because error code 0xC0209084 occurred, and the error row disposition on "output column "XYZ"
(178)" specifies failure on error. An error occurred on the specified object of the specified component. There may be error messages posted before this with more information about the failure.
[Flat File Source [1]] Error: An error occurred while processing file "ABC.txt" on data row 264.
[SSIS.Pipeline] Error: SSIS Error Code DTS_E_PRIMEOUTPUTFAILED. The PrimeOutput method on component "Flat File Source" (1) returned error code 0xC0202092. The component returned a failure code when the pipeline engine called PrimeOutput().
The meaning of the failure code is defined by the component, but the error is fatal and the pipeline stopped executing. There may be error messages posted before this with more information about the failure.
WeeLassHi WeeLass,
The error that” Data conversion failed. The data conversion for column "XYZ" returned status value 2 and status text "The value could not be converted because of a potential loss of data.".” is generally error message, and the error indicates
that there is data type mismatch issue between the input columns and the output columns.
Based on your description, the issue is that you trying to convert a column contains empty value from string to integer data type for the output column "XYZ" in Flat File Source [1]. Please note that we cannot type an empty value as integer data
type column value, so the error occurs.
To fix this issue, just as you did, we should convert the data type for the output column "XYZ" in Flat File Source [1] back to DT_WSTR or DT_STR, then use a derived column task to replace the current column (UBPKE542). But the expression should
be like below:
LEN(TRIM(UBPKE542)) > 0 ? (DT_I8)UBPKE542 : NULL(DT_I8)
In this way, the data type of the column in SQL table would be int, and the empty value would be replaced with NULL.
If there are any other questions, please feel free to ask.
Thanks,
Katherine Xiong
Katherine Xiong
TechNet Community Support -
Reading .txt file into char array, file not found error. (Basic IO)
Iv been having some trouble with reading characters from a text file into a char array. I havnt been learning io for very long but i think im getting the hang of it. Reading and writing raw bytes
and things like that. But i wanted to try using java.io.FileReader to read characters for a change and im having problems with file not found errors. here is the code.
try
File theFile = new File("Mr.DocumentReadMe.txt");
String path = theFile.getCanonicalPath();
FileReader readMe = new FileReader(path);
char buffer[] = new char[(int)theFile.length()];
int readData = 0;
while(readData != -1)
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jEditorPane1.setText(String.valueOf(buffer));
catch(Exception e)
JOptionPane.showMessageDialog(null, e,
"Error!", JOptionPane.ERROR_MESSAGE);
The error is: java.io.FileNotFoundException: C:\Users\Kaylan\Documents\NetBeansProjects\Mr.Document\dist\Mr.DocumentReadMe.txt (The system cannot find the file specified)
The text file is saved in the projects dist folder. I have tried saving it elsewhere and get the same error with a different pathname.
I can use JFileChooser to get a file and read it into a char array with no problem, why doesnt it work when i specify the path manually in the code?Well the file clearly isn't there. Maybe it has a .txt.txt extensionthat Windows is kindly hiding from you - check its Properties.
But:
String path = theFile.getCanonicalPath();
FileReader readMe = new FileReader(path);You don't need all that. Just:
FileReader readMe = new FileReader(theFile);And:
char buffer[] = new char[(int)theFile.length()];You don't need a buffer the size of the file, this is bad practice. Use 8192 or whatever.
while(readData != -1)
readData = readMe.read(buffer);
}That doesn't make sense. Read the data into the buffer and repeat until you get EOF? and do nothing with the contents of the buffer? The canonical read loop in Java goes like this:
while ((count = in.read(buffer)) > 0)
out.write(buffer, 0, count); // or do something else with buffer[0..count-1].
jEditorPane1.setText(String.valueOf(buffer));Bzzt. That won't give you the content of 'buffer'. Use new String(buffer, 0, count) at least.
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