1 /*
2 * ====================================================================
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 * ====================================================================
20 *
21 * This software consists of voluntary contributions made by many
22 * individuals on behalf of the Apache Software Foundation. For more
23 * information on the Apache Software Foundation, please see
24 * <http://www.apache.org/>.
25 *
26 */
27
28 package org.apache.hc.core5.http.config;
29
30 import java.util.HashMap;
31 import java.util.Locale;
32 import java.util.Map;
33
34 import org.apache.hc.core5.util.Args;
35
36 /**
37 * Builder for {@link Registry} instances.
38 *
39 * @since 4.3
40 */
41 public final class RegistryBuilder<I> {
42
43 private final Map<String, I> items;
44
45 public static <I> RegistryBuilder<I> create() {
46 return new RegistryBuilder<>();
47 }
48
49 RegistryBuilder() {
50 super();
51 this.items = new HashMap<>();
52 }
53
54 public RegistryBuilder<I> register(final String id, final I item) {
55 Args.notEmpty(id, "ID");
56 Args.notNull(item, "Item");
57 items.put(id.toLowerCase(Locale.ROOT), item);
58 return this;
59 }
60
61 public Registry<I> build() {
62 return new Registry<>(items);
63 }
64
65 @Override
66 public String toString() {
67 return items.toString();
68 }
69
70 }