src/net/java/sip/communicator/plugin/desktoputil/TrimTextField.java


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/*
 * Jitsi, the OpenSource Java VoIP and Instant Messaging client.
 *
 * Copyright @ 2015 Atlassian Pty Ltd
 *
 * 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 net.java.sip.communicator.plugin.desktoputil;

import javax.swing.*;

/**
 * A custom JTextField that trims the contents before returns it.
 *
 * @author Damian Minkov
 */
public class TrimTextField
    extends JTextField
{
    /**
     * Serial version UID.
     */
    private static final long serialVersionUID = 0L;

    /**
     * Returns the trimmed value of the text contained in the field.
     * @return the trimmed value of the field.
     */
    @Override
    public String getText()
    {
        String txt = super.getText();
        if(txt != null)
            return txt.trim();
        else
            return null;
    }
}