9d62deeb6f
Motivation: We can use the diamond operator these days. Modification: Use diamond operator whenever possible. Result: More modern code and less boiler-plate.
78 lines
2.9 KiB
Java
78 lines
2.9 KiB
Java
/*
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* Copyright 2015 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.util;
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/**
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* Builder for immutable {@link DomainNameMapping} instances.
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*
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* @param <V> concrete type of value objects
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* @deprecated Use {@link DomainNameMappingBuilder} instead.
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*/
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@Deprecated
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public final class DomainMappingBuilder<V> {
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private final DomainNameMappingBuilder<V> builder;
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/**
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* Constructor with default initial capacity of the map holding the mappings
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*
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* @param defaultValue the default value for {@link DomainNameMapping#map(String)} to return
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* when nothing matches the input
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*/
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public DomainMappingBuilder(V defaultValue) {
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builder = new DomainNameMappingBuilder<>(defaultValue);
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}
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/**
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* Constructor with initial capacity of the map holding the mappings
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*
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* @param initialCapacity initial capacity for the internal map
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* @param defaultValue the default value for {@link DomainNameMapping#map(String)} to return
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* when nothing matches the input
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*/
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public DomainMappingBuilder(int initialCapacity, V defaultValue) {
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builder = new DomainNameMappingBuilder<>(initialCapacity, defaultValue);
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}
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/**
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* Adds a mapping that maps the specified (optionally wildcard) host name to the specified output value.
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* Null values are forbidden for both hostnames and values.
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* <p>
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* <a href="http://en.wikipedia.org/wiki/Wildcard_DNS_record">DNS wildcard</a> is supported as hostname.
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* For example, you can use {@code *.netty.io} to match {@code netty.io} and {@code downloads.netty.io}.
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* </p>
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*
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* @param hostname the host name (optionally wildcard)
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* @param output the output value that will be returned by {@link DomainNameMapping#map(String)}
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* when the specified host name matches the specified input host name
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*/
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public DomainMappingBuilder<V> add(String hostname, V output) {
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builder.add(hostname, output);
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return this;
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}
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/**
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* Creates a new instance of immutable {@link DomainNameMapping}
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* Attempts to add new mappings to the result object will cause {@link UnsupportedOperationException} to be thrown
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*
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* @return new {@link DomainNameMapping} instance
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*/
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public DomainNameMapping<V> build() {
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return builder.build();
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}
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}
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