001// Copyright 2013 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.internal.services;
016
017import org.apache.tapestry5.commons.Messages;
018import org.apache.tapestry5.internal.TapestryInternalUtils;
019import org.apache.tapestry5.services.ValueLabelProvider;
020
021/**
022 * Provides a label from enum.
023 * 
024 * @since 5.4
025 */
026public class EnumValueLabelProvider<T extends Enum> implements ValueLabelProvider<T>
027{
028    private final Messages messages;
029
030    public EnumValueLabelProvider(Messages messages)
031    {
032        this.messages = messages;
033    }
034
035    public String getLabel(T value)
036    {
037        return TapestryInternalUtils.getLabelForEnum(messages, value.getDeclaringClass()
038                .getSimpleName(), value);
039    }
040
041}