/*
* Copyright 2004-2010 Information & Software Engineering Group (188/1)
* Institute of Software Technology and Interactive Systems
* Vienna University of Technology, Austria
*
* 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.ifs.tuwien.ac.at/dm/somtoolbox/license.html
*
* 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 at.tuwien.ifs.somtoolbox.util.inputVerifier;
import javax.swing.InputVerifier;
import javax.swing.JComponent;
import javax.swing.JTextField;
/**
* Verifies that the given input contains only {@link Double} numbers. Currently, {@link #verify(JComponent)} only
* supports {@link JTextField}.
*
* @author Rudolf Mayer
* @version $Id: DoubleNumberInputVerifier.java 3583 2010-05-21 10:07:41Z mayer $
*/
public class DoubleNumberInputVerifier extends InputVerifier {
@Override
public boolean verify(JComponent input) {
if (input instanceof JTextField) {
String text = ((JTextField) input).getText();
try {
Double.parseDouble(text);
return true;
} catch (NumberFormatException e) {
return false;
}
} else {
return true;
}
}
}