FilteredZapTextField.java

/*
 * Zed Attack Proxy (ZAP) and its related class files.
 * 
 * ZAP is an HTTP/HTTPS proxy for assessing web application security.
 * 
 * Copyright 2010 psiinon@gmail.com
 * 
 * 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.zaproxy.zap.utils;

import java.awt.event.KeyEvent;

public class FilteredZapTextField extends ZapTextField {

	private static final long serialVersionUID = 1L;
	
	private String validChars;

	public FilteredZapTextField (String validChars) {
		super();
		this.validChars = validChars;
	}
	
	@Override
	public void processKeyEvent(KeyEvent ev) {

		char c = ev.getKeyChar();

//		if((Character.isLetter(c) && ! ev.isAltDown()) 
//				|| validChars.indexOf(c) < 0) {
//		if (ev.getKeyCode() == KeyEvent.VK_DELETE) {
		if (Character.isISOControl(c)) {
			// Fall through
		} else if(validChars.indexOf(c) < 0) {
			ev.consume();
			return;
		}
		super.processKeyEvent(ev);
	}

}