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- /*
- * Copyright (c) 2006-2013 DMDirc Developers
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
- package com.dmdirc.addons.ui_swing.components;
-
- import javax.swing.text.AttributeSet;
- import javax.swing.text.BadLocationException;
- import javax.swing.text.DocumentFilter;
-
- /**
- * Filters input to create valid filenames.
- */
- public class SanitisedFilenameFilter extends DocumentFilter {
-
- /** Invalid filename characters. */
- private static final String INVALID_CHARS = "^[^\\w\\.\\s\\-\\#\\&\\_]";
-
- /** {@inheritDoc} */
- @Override
- public void insertString(final DocumentFilter.FilterBypass fb,
- final int offset, final String string, final AttributeSet attr)
- throws BadLocationException {
-
- if (string == null || string.isEmpty()) {
- return;
- } else {
- replace(fb, offset, string.length(), string, attr);
- }
- }
-
- /** {@inheritDoc} */
- @Override
- public void remove(final DocumentFilter.FilterBypass fb, final int offset,
- final int length) throws BadLocationException {
-
- replace(fb, offset, length, "", null);
- }
-
- /** {@inheritDoc} */
- @Override
- public void replace(final DocumentFilter.FilterBypass fb, final int offset,
- final int length, final String text, final AttributeSet attrs)
- throws BadLocationException {
-
- fb.replace(offset, length, sanitise(text), attrs);
- }
-
- /**
- * Sanitises the proposed value.
- *
- * @param proposedValue String to sanitise
- *
- * @return Sanitised string
- */
- private String sanitise(final String proposedValue) {
- return proposedValue.replaceAll(INVALID_CHARS, "");
- }
-
- }
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