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c458c05801
The dark lord Gosling designed the Java package naming system so that ownership flows from the DNS system. Since we own the domain name registry.google, it seems only appropriate that we should use google.registry as our package name.
90 lines
3.6 KiB
Java
90 lines
3.6 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 google.registry.tools.params;
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import static com.google.common.base.Preconditions.checkArgument;
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import com.google.common.base.Splitter;
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import com.google.common.collect.ImmutableMap;
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import com.google.common.collect.ImmutableSortedMap;
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import com.google.common.collect.Ordering;
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import google.registry.model.registry.Registry.TldState;
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import org.joda.money.Money;
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import org.joda.time.DateTime;
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import java.util.Map;
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/**
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* Combined converter and validator class for transition list JCommander argument strings.
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* <p>
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* These strings have the form {@code <DateTime>=<T-str>,[<DateTime>=<T-str>]*} where
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* {@code <T-str>} is a string that can be parsed into an instance of some value type {@code T},
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* and the entire argument represents a series of timed transitions of some property taking on
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* those values. This class converts such a string into an ImmutableSortedMap mapping DateTime to
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* {@code T}. Validation and conversion share the same logic; validation is just done by attempting
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* conversion and throwing exceptions if need be.
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* <p>
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* Subclasses must implement parseValue() to define how to parse {@code <T-str>} into a {@code T}.
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*
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* @param <T> instance value type
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*/
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// TODO(b/19031334): Investigate making this complex generic type work with the factory.
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public abstract class TransitionListParameter<T>
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extends ParameterConverterValidator<ImmutableSortedMap<DateTime, T>> {
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private static final DateTimeParameter DATE_TIME_CONVERTER = new DateTimeParameter();
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public TransitionListParameter() {
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super("Not formatted correctly or has transition times out of order.");
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}
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/** Override to define how to parse rawValue into an object of type T. */
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protected abstract T parseValue(String rawValue);
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@Override
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public ImmutableSortedMap<DateTime, T> convert(String transitionListString) {
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ImmutableMap.Builder<DateTime, T> builder = new ImmutableMap.Builder<>();
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for (Map.Entry<String, String> entry :
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Splitter.on(',').withKeyValueSeparator('=').split(transitionListString).entrySet()) {
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builder.put(
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DATE_TIME_CONVERTER.convert(entry.getKey()),
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parseValue(entry.getValue()));
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}
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ImmutableMap<DateTime, T> transitionMap = builder.build();
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checkArgument(Ordering.natural().isOrdered(transitionMap.keySet()),
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"Transition times out of order.");
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return ImmutableSortedMap.copyOf(transitionMap);
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}
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/** Converter-validator for TLD state transitions. */
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public static class TldStateTransitions extends TransitionListParameter<TldState> {
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@Override
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protected TldState parseValue(String value) {
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return TldState.valueOf(value);
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}
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}
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/** Converter-validator for billing cost transitions. */
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public static class BillingCostTransitions extends TransitionListParameter<Money> {
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private static final MoneyParameter MONEY_CONVERTER = new MoneyParameter();
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@Override
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protected Money parseValue(String value) {
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return MONEY_CONVERTER.convert(value);
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}
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}
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}
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