/** * Copyright (C) 2015 Valkyrie RCP * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.valkyriercp.form.binding.swing.text; import javax.swing.text.AttributeSet; import javax.swing.text.BadLocationException; import javax.swing.text.Document; import javax.swing.text.PlainDocument; public class UpperCaseOrDigitDocumentFactory implements DocumentFactory { @Override public Document createDocument() { return new UpperCaseLetterOrDigitDocument(); } public class UpperCaseLetterOrDigitDocument extends PlainDocument { public void insertString(int offs, String str, AttributeSet a) throws BadLocationException { StringBuilder strippedStr = new StringBuilder(); char[] strArray = str.toCharArray(); for (int i = 0; i < strArray.length; ++i) { if (Character.isLetterOrDigit(strArray[i])) strippedStr.append(strArray[i]); } if (strippedStr.length() > 0) { str = str.toUpperCase(); super.insertString(offs, str, a); } } } }