/**
* Returns empty string if verification was successful, otherwise it returns a message describing
* what went wrong.
*/
private String verifyInputFields() {
String result = "";
String inputFileName = "";
String outputFileName = "";
if (fileSelectionPanel != null) {
inputFileName = fileSelectionPanel.getInputFileName();
outputFileName = fileSelectionPanel.getOutputFileName();
}
File inF = new File(inputFileName);
if (!inF.exists()) result += "\n *Specified input file does not exists";
else {
int extIndex = inputFileName.lastIndexOf(".");
boolean isTextFile = true;
if (extIndex != -1) {
String ext = inputFileName.substring(extIndex + 1, inputFileName.length());
System.out.println("ext = " + ext);
if (!ext.equalsIgnoreCase("txt")) isTextFile = false;
} else isTextFile = false;
if (isTextFile == false) result += "\n *Specified input file must be a txt file";
}
int extIndex = outputFileName.lastIndexOf(".");
boolean isPDFFile = true;
if (extIndex != -1) {
String ext = outputFileName.substring(extIndex + 1, outputFileName.length());
System.out.println("ext = " + ext);
if (!ext.equalsIgnoreCase("pdf")) isPDFFile = false;
} else isPDFFile = false;
if (isPDFFile == false) result += "\n *Specified output file must be a pdf file";
else {
File outF = new File(outputFileName);
if (outF.exists()) {
if (!overwriteOutputFileChB.isSelected()) result += "\n *Specified output file exists";
} else
// by creation of a file we are checking if the output file name is proper
try {
outF.createNewFile();
} catch (IOException ex) {
Logger.getLogger(CommonPanel.class.getName()).log(Level.SEVERE, null, ex);
result += "\n *Specified output file name has not permissible characters";
}
}
if (fontSizeSpecRB.isSelected())
try {
Float.parseFloat(fontSizeTF.getText());
} catch (NumberFormatException e) {
result += "\n *Specified font size is not a float number, e.g. 10.5, 12, 22.1";
}
return result;
}
public void actionPerformed(ActionEvent e) {
String verifyResult = verifyInputFields();
if (verifyResult.equals("")) {
// do conversion of txt file to pdf
String inputFileName = fileSelectionPanel.getInputFileName();
String outputFileName = fileSelectionPanel.getOutputFileName();
String encoding = (String) encodingCB.getSelectedItem();
String outputFontName = (String) fontCB.getSelectedItem();
boolean isLandscapeMode = landscapeRB.isSelected();
float fontSize = -1.0f;
if (fitTextToWidthRB.isSelected())
try {
Rectangle pageSize = PageSize.A4;
if (isLandscapeMode) pageSize = PageSize.A4.rotate();
Document document = new Document(pageSize);
String fileContent = ReadWriteTextFileWithEncoding.read(inputFileName, encoding);
fontSize =
calculateFontSizeFittingAllStringIntoPageWidth(
document, fileContent, outputFontName, encoding);
} catch (IOException ex) {
Logger.getLogger(CommonPanel.class.getName()).log(Level.SEVERE, null, ex);
} catch (DocumentException ex) {
Logger.getLogger(CommonPanel.class.getName()).log(Level.SEVERE, null, ex);
}
else fontSize = Float.parseFloat(fontSizeTF.getText());
try {
convertTextToPDFFile(
inputFileName,
encoding,
outputFontName,
fontSize,
isLandscapeMode,
outputFileName);
} catch (DocumentException ex) {
Logger.getLogger(CommonPanel.class.getName()).log(Level.SEVERE, null, ex);
} catch (IOException ex) {
Logger.getLogger(CommonPanel.class.getName()).log(Level.SEVERE, null, ex);
}
} else
JOptionPane.showMessageDialog(
ownerFrame,
verifyResult,
"Cannot convert, becauses:",
JOptionPane.INFORMATION_MESSAGE);
}
