View Javadoc

    1   /*
    2    *  Licensed to the Apache Software Foundation (ASF) under one
    3    *  or more contributor license agreements.  See the NOTICE file
    4    *  distributed with this work for additional information
    5    *  regarding copyright ownership.  The ASF licenses this file
    6    *  to you under the Apache License, Version 2.0 (the
    7    *  "License"); you may not use this file except in compliance
    8    *  with the License.  You may obtain a copy of the License at
    9    *
    10   *    http://www.apache.org/licenses/LICENSE-2.0
    11   *
    12   *  Unless required by applicable law or agreed to in writing,
    13   *  software distributed under the License is distributed on an
    14   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    15   *  KIND, either express or implied.  See the License for the
    16   *  specific language governing permissions and limitations
    17   *  under the License.
    18   *
    19   */
    20  package org.apache.mina.integration.beans;
    21
    22  import java.beans.PropertyEditor;
    23
    24  /**
    25   * A dummy {@link PropertyEditor} for <tt>null</tt>.
    26   *
    27   * @author <a href="http://mina.apache.org">Apache MINA Project</a>
    28   */
    29  public class NullEditor extends AbstractPropertyEditor {
    30      @Override
    31      protected String toText(Object value) {
    32          if (String.valueOf(value).equalsIgnoreCase("null")) {
    33              return null;
    34          }
    35          throw new IllegalArgumentException("value is not null or 'null'.");
    36      }
    37
    38      @Override
    39      protected Object toValue(String text) throws IllegalArgumentException {
    40          if (text.equalsIgnoreCase("null")) {
    41              return null;
    42          }
    43          throw new IllegalArgumentException("text is not null or 'null'.");
    44      }
    45  }