Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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.apache.commons.configuration2.spring; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import org.apache.commons.configuration2.Configuration; import org.springframework.core.env.EnumerablePropertySource; /** * Allow use of Apache Commons Configuration Objects as Spring PropertySources */ public class ConfigurationPropertySource extends EnumerablePropertySource<Configuration> { public ConfigurationPropertySource(final String name, final Configuration source) { super(name, source); } protected ConfigurationPropertySource(final String name) { super(name); } @Override public String[] getPropertyNames() { final List<String> keys = new ArrayList<>(); final Iterator<String> keysIterator = source.getKeys(); while (keysIterator.hasNext()) { keys.add(keysIterator.next()); } return keys.toArray(new String[keys.size()]); } @Override public Object getProperty(final String name) { return source.getProperty(name); } }