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.http.config;
29
30 import java.util.HashMap;
31 import java.util.Locale;
32 import java.util.Map;
33
34 import org.apache.http.annotation.NotThreadSafe;
35 import org.apache.http.util.Args;
36
37 /**
38 * Builder for {@link Registry} instances.
39 *
40 * @since 4.3
41 */
42 @NotThreadSafe
43 public final class RegistryBuilder<I> {
44
45 private final Map<String, I> items;
46
47 public static <I> RegistryBuilder<I> create() {
48 return new RegistryBuilder<I>();
49 }
50
51 RegistryBuilder() {
52 super();
53 this.items = new HashMap<String, I>();
54 }
55
56 public RegistryBuilder<I> register(final String id, final I item) {
57 Args.notEmpty(id, "ID");
58 Args.notNull(item, "Item");
59 items.put(id.toLowerCase(Locale.US), item);
60 return this;
61 }
62
63 public Registry<I> build() {
64 return new Registry<I>(items);
65 }
66
67 @Override
68 public String toString() {
69 return items.toString();
70 }
71
72 }