001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *     http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017
018package org.apache.commons.configuration2.spring;
019
020import java.util.ArrayList;
021import java.util.Iterator;
022import java.util.List;
023
024import org.apache.commons.configuration2.Configuration;
025import org.springframework.core.env.EnumerablePropertySource;
026
027/**
028 * Allow use of Apache Commons Configuration Objects as Spring PropertySources
029 */
030public class ConfigurationPropertySource extends EnumerablePropertySource<Configuration>
031{
032
033    public ConfigurationPropertySource(final String name, final Configuration source)
034    {
035       super(name, source);
036    }
037
038    protected ConfigurationPropertySource(final String name)
039    {
040       super(name);
041    }
042
043    @Override
044    public String[] getPropertyNames()
045    {
046       final List<String> keys = new ArrayList<>();
047       final Iterator<String> keysIterator = source.getKeys();
048       while (keysIterator.hasNext())
049       {
050          keys.add(keysIterator.next());
051       }
052       return keys.toArray(new String[keys.size()]);
053    }
054
055    @Override
056    public Object getProperty(final String name)
057    {
058       return source.getProperty(name);
059   }
060}