    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}