    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}