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5012893c1d
This change renames directories in preparation for the great package rename. The repository is now in a broken state because the code itself hasn't been updated. However this should ensure that git correctly preserves history for each file.
91 lines
3 KiB
Java
91 lines
3 KiB
Java
// Copyright 2016 The Domain Registry Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// 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,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package com.google.domain.registry.model;
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import com.google.common.base.Function;
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import com.google.common.base.Functions;
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import com.google.common.collect.FluentIterable;
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import java.util.Collections;
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import java.util.LinkedHashMap;
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import java.util.Map;
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import javax.annotation.Nullable;
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/**
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* Helper class for {@link Jsonifiable} classes to generate JSON maps for RPC responses.
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*
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* <p>The returned map is mutable. Map entries can be {@code null} but list entries can not. If a
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* list is passed as {@code null}, it'll be substituted with empty list. Lists are not mutable.
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*/
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public final class JsonMapBuilder {
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private static final Function<Jsonifiable, Map<String, Object>> TO_JSON_OBJECT =
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new Function<Jsonifiable, Map<String, Object>>() {
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@Override
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public Map<String, Object> apply(Jsonifiable input) {
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return input.toJsonMap();
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}};
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private final Map<String, Object> map = new LinkedHashMap<>();
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public JsonMapBuilder put(String name, @Nullable Boolean value) {
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map.put(name, value);
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return this;
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}
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public JsonMapBuilder put(String name, @Nullable Number value) {
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map.put(name, value);
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return this;
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}
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public JsonMapBuilder put(String name, @Nullable String value) {
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map.put(name, value);
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return this;
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}
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public JsonMapBuilder put(String name, @Nullable Jsonifiable value) {
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map.put(name, value == null ? null : value.toJsonMap());
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return this;
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}
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public JsonMapBuilder put(String name, @Nullable Enum<?> value) {
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map.put(name, value == null ? null : value.name());
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return this;
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}
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public <T> JsonMapBuilder putString(String name, @Nullable T value) {
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map.put(name, value == null ? null : value.toString());
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return this;
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}
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public <T> JsonMapBuilder putListOfStrings(String name, @Nullable Iterable<T> value) {
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map.put(name, value == null ? Collections.EMPTY_LIST
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: FluentIterable.from(value).transform(Functions.toStringFunction()).toList());
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return this;
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}
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public JsonMapBuilder putListOfJsonObjects(
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String name, @Nullable Iterable<? extends Jsonifiable> value) {
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map.put(name, value == null ? Collections.EMPTY_LIST
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: FluentIterable.from(value).transform(TO_JSON_OBJECT).toList());
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return this;
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}
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/** Returns mutable JSON object. Please dispose of the builder object after calling me. */
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public Map<String, Object> build() {
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return map;
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}
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}
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