001// Copyright 2008 The Apache Software Foundation
002//
003// Licensed under the Apache License, Version 2.0 (the "License");
004// you may not use this file except in compliance with the License.
005// You may obtain a copy of the License at
006//
007//     http://www.apache.org/licenses/LICENSE-2.0
008//
009// Unless required by applicable law or agreed to in writing, software
010// distributed under the License is distributed on an "AS IS" BASIS,
011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012// See the License for the specific language governing permissions and
013// limitations under the License.
014
015package org.apache.tapestry5;
016
017import java.util.Map;
018
019/**
020 * Base class for implementing {@link OptionModel}.  Subclasses must implement {@link
021 * org.apache.tapestry5.OptionModel#getLabel()} and {@link org.apache.tapestry5.OptionModel#getValue()} }.
022 */
023public abstract class AbstractOptionModel implements OptionModel
024{
025    /**
026     * Returns false.
027     */
028    public boolean isDisabled()
029    {
030        return false;
031    }
032
033    /**
034     * Returns null.
035     */
036    public Map<String, String> getAttributes()
037    {
038        return null;
039    }
040}