001/*
002 * Copyright 2002-2014 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      https://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.core.env;
018
019import java.util.Map;
020
021import org.springframework.util.StringUtils;
022
023/**
024 * {@link PropertySource} that reads keys and values from a {@code Map} object.
025 *
026 * @author Chris Beams
027 * @author Juergen Hoeller
028 * @since 3.1
029 * @see PropertiesPropertySource
030 */
031public class MapPropertySource extends EnumerablePropertySource<Map<String, Object>> {
032
033        public MapPropertySource(String name, Map<String, Object> source) {
034                super(name, source);
035        }
036
037
038        @Override
039        public Object getProperty(String name) {
040                return this.source.get(name);
041        }
042
043        @Override
044        public boolean containsProperty(String name) {
045                return this.source.containsKey(name);
046        }
047
048        @Override
049        public String[] getPropertyNames() {
050                return StringUtils.toStringArray(this.source.keySet());
051        }
052
053}