feat: limit user feedback text to 2000 characters

src/main/java/de/adito/aditoweb/nbm/metrics/impl/actions/SendBugReportAction.java

@@ -20,7 +20,7 @@
 import javax.swing.*;
 import javax.swing.border.*;
 import javax.swing.event.*;
-import javax.swing.text.BadLocationException;
+import javax.swing.text.*;
 import java.awt.*;
 import java.awt.datatransfer.StringSelection;
 import java.awt.event.*;
@@ -51,6 +51,7 @@ public class SendBugReportAction extends AbstractAction
  .setNameFormat("tBugReport-%d")
  .build());
  private static final String DLG_SEND_DATA_OPTION = NbBundle.getMessage(SendBugReportAction.class, "NAME_SendBugReportDialog_SendData");
+ private static final int FEEDBACK_TEXT_LIMIT = 2000;
  private final TemporaryFileProvider temporaryFileProvider = new TemporaryFileProvider();
 
  public SendBugReportAction()
@@ -235,6 +236,7 @@ private void initComponents()
 
  // Lower comment section for user input
  commentArea = new JTextArea();
+ ((AbstractDocument) commentArea.getDocument()).setDocumentFilter(new DocumentSizeFilter(FEEDBACK_TEXT_LIMIT));
  tlu.add(0, 4, new JScrollPane(commentArea));
 
  // Contact information
@@ -364,4 +366,46 @@ public void changedUpdate(DocumentEvent e)
  }
  }
 
+ /**
+ * Filter, that only allows a specific amount of text.
+ * Exceeding text will be truncated.
+ */
+ @RequiredArgsConstructor
+ private static class DocumentSizeFilter extends DocumentFilter
+ {
+ /**
+ * Character limit
+ */
+ private final int maxCharacters;
+
+ @Override
+ public void insertString(FilterBypass fb, int offset, String str, AttributeSet attr) throws BadLocationException
+ {
+ if ((fb.getDocument().getLength() + str.length()) <= maxCharacters)
+ super.insertString(fb, offset, str, attr);
+ else
+ {
+ // Handle the case where the inserted text would exceed the character limit.
+ int charactersToInsert = maxCharacters - fb.getDocument().getLength();
+ if (charactersToInsert > 0)
+ super.insertString(fb, offset, str.substring(0, charactersToInsert), attr);
+ }
+ }
+
+ @Override
+ public void replace(FilterBypass fb, int offset, int length, String text, AttributeSet attrs) throws BadLocationException
+ {
+ if ((fb.getDocument().getLength() + text.length() - length) <= maxCharacters)
+ super.replace(fb, offset, length, text, attrs);
+ else
+ {
+ // Handle the case where the replacement text would exceed the character limit.
+ int charactersToInsert = maxCharacters - fb.getDocument().getLength() + length;
+ if (charactersToInsert > 0)
+ super.replace(fb, offset, length, text.substring(0, charactersToInsert), attrs);
+ }
+ }
+
+ }
+
 }