nl.topicus.jdbc.shaded.io.netty.util.DomainMappingBuilder Maven / Gradle / Ivy

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/*
 * Copyright 2015 The Netty Project
 *
 * The Netty Project licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in nl.topicus.jdbc.shaded.com.liance
 * with the License. You may obtain a copy of the License at:
 *
 *   http://www.apache.nl.topicus.jdbc.shaded.org.licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */

package nl.topicus.jdbc.shaded.io.nl.topicus.jdbc.shaded.net.y.util;

/**
 * Builder for immutable {@link DomainNameMapping} instances.
 *
 * @param  concrete type of value objects
 * @deprecated Use {@link DomainNameMappingBuilder} instead.
 */
@Deprecated
public final class DomainMappingBuilder {

    private final DomainNameMappingBuilder builder;

    /**
     * Constructor with default initial capacity of the map holding the mappings
     *
     * @param defaultValue the default value for {@link DomainNameMapping#map(String)} to return
     *                     when nothing matches the input
     */
    public DomainMappingBuilder(V defaultValue) {
        builder = new DomainNameMappingBuilder(defaultValue);
    }

    /**
     * Constructor with initial capacity of the map holding the mappings
     *
     * @param initialCapacity initial capacity for the internal map
     * @param defaultValue    the default value for {@link DomainNameMapping#map(String)} to return
     *                        when nothing matches the input
     */
    public DomainMappingBuilder(int initialCapacity, V defaultValue) {
        builder = new DomainNameMappingBuilder(initialCapacity, defaultValue);
    }

    /**
     * Adds a mapping that maps the specified (optionally wildcard) host name to the specified output value.
     * Null values are forbidden for both hostnames and values.
     * 
     * DNS wildcard is supported as hostname.
     * For example, you can use {@code *.nl.topicus.jdbc.shaded.net.y.nl.topicus.jdbc.shaded.io. to match {@code nl.topicus.jdbc.shaded.net.y.nl.topicus.jdbc.shaded.io. and {@code downloads.nl.topicus.jdbc.shaded.net.y.nl.topicus.jdbc.shaded.io..
     * 
     *
     * @param hostname the host name (optionally wildcard)
     * @param output   the output value that will be returned by {@link DomainNameMapping#map(String)}
     *                 when the specified host name matches the specified input host name
     */
    public DomainMappingBuilder add(String hostname, V output) {
        builder.add(hostname, output);
        return this;
    }

    /**
     * Creates a new instance of immutable {@link DomainNameMapping}
     * Attempts to add new mappings to the result object will cause {@link UnsupportedOperationException} to be thrown
     *
     * @return new {@link DomainNameMapping} instance
     */
    public DomainNameMapping build() {
        return builder.build();
    }
}