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 }