001// Copyright 2006 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; 016 017/** 018 * An implementation of {@link Messages} that is based on a map. 019 * 020 */ 021 022import org.apache.tapestry5.ioc.Messages; 023import org.apache.tapestry5.ioc.util.AbstractMessages; 024 025import java.util.Locale; 026import java.util.Map; 027 028/** 029 * Implementation of {@link Messages} based on a simple Map (of string keys and values). 030 */ 031public class MapMessages extends AbstractMessages 032{ 033 private final Map<String, String> properties; 034 035 036 /** 037 * A new instance <strong>retaining</strong> (not copying) the provided map. 038 */ 039 public MapMessages(Locale locale, Map<String, String> properties) 040 { 041 super(locale); 042 043 this.properties = properties; 044 } 045 046 047 @Override 048 protected String valueForKey(String key) 049 { 050 return properties.get(key); 051 } 052}