1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.commons.configuration2.spring;
19
20 import java.util.ArrayList;
21 import java.util.List;
22
23 import org.apache.commons.configuration2.Configuration;
24 import org.apache.commons.lang3.ArrayUtils;
25 import org.springframework.core.env.EnumerablePropertySource;
26
27 /**
28 * Allow use of Apache Commons Configuration Objects as Spring PropertySources
29 */
30 public class ConfigurationPropertySource extends EnumerablePropertySource<Configuration> {
31
32 public ConfigurationPropertySource(final String name, final Configuration source) {
33 super(name, source);
34 }
35
36 protected ConfigurationPropertySource(final String name) {
37 super(name);
38 }
39
40 @Override
41 public String[] getPropertyNames() {
42 final List<String> keys = new ArrayList<>();
43 source.getKeys().forEachRemaining(keys::add);
44 return keys.toArray(ArrayUtils.EMPTY_STRING_ARRAY);
45 }
46
47 @Override
48 public Object getProperty(final String name) {
49 return source.getString(name);
50 }
51 }