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}