/*
 * Copyright 2002-2014 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.core.env;

import java.util.Map;

import org.springframework.util.StringUtils;

/**
 * {@link PropertySource} that reads keys and values from a {@code Map} object.
 *
 * @author Chris Beams
 * @since 3.1
 * @see PropertiesPropertySource
 */
public class MapPropertySource extends EnumerablePropertySource<Map<String, Object>> {

	public MapPropertySource(String name, Map<String, Object> source) {
		super(name, source);
	}

	@Override
	public Object getProperty(String name) {
		return this.source.get(name);
	}

	@Override
	public String[] getPropertyNames() {
		return StringUtils.toStringArray(this.source.keySet());
	}

}

@@ -677,16 +677,56 @@
 l.Map;%0A%0A
+import org.springframework.util.Assert;%0A
 import o
@@ -1308,10 +1308,394 @@
 ));%0A%09%7D%0A%0A
+%09@Override%0A%09public boolean containsProperty(String name) %7B%0A%09%09Assert.notNull(name, %22Property name must not be null%22);%0A%09%09boolean containsProperty = this.source.containsKey(name);%0A%09%09if (logger.isDebugEnabled()) %7B%0A%09%09%09logger.debug(String.format(%22PropertySource %5B%25s%5D %25s '%25s'%22, getName(),%0A%09%09%09%09%09(containsProperty ? %22contains%22 : %22does not contain%22), name));%0A%09%09%7D%0A%09%09return containsProperty;%0A%09%7D%0A%0A
 %7D%0A

Implement containsProperty on MapPropertySource