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7359cc13b8
We now attempt to retry Whois queries in the event of a short-lived error. Currently, we consider 'DatastoreTimeoutException' and 'DatastoreFailureException' as transient. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=152044934
78 lines
2.9 KiB
Java
78 lines
2.9 KiB
Java
// Copyright 2017 The Nomulus 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.whois;
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import static com.google.common.base.Preconditions.checkArgument;
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import static com.google.common.base.Preconditions.checkNotNull;
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import javax.annotation.Nullable;
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import org.joda.time.DateTime;
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/** Exception that gets thrown when WHOIS command isn't successful. */
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public final class WhoisException extends Exception implements WhoisResponse {
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private final DateTime timestamp;
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private final int status;
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/** @see #WhoisException(DateTime, int, String, Throwable) */
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WhoisException(DateTime timestamp, int status, String message) {
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this(timestamp, status, message, null);
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}
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/**
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* Construct an exception explaining why a WHOIS request has failed.
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*
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* @param timestamp should be set to the time at which this request was processed.
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* @param status A non-2xx HTTP status code to indicate type of failure.
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* @param message is displayed to the user so you should be careful about tainted data.
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* @param cause the original exception or {@code null}.
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* @throws IllegalArgumentException if {@code !(300 <= status < 700)}
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*/
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WhoisException(DateTime timestamp, int status, String message, @Nullable Throwable cause) {
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super(message, cause);
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checkArgument(300 <= status && status < 700,
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"WhoisException status must be a non-2xx HTTP status code: %s", status);
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this.timestamp = checkNotNull(timestamp, "timestamp");
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this.status = status;
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}
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/** Returns the time at which this WHOIS request was processed. */
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@Override
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public DateTime getTimestamp() {
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return timestamp;
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}
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/** Returns a non-2xx HTTP status code to differentiate types of failure. */
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public int getStatus() {
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return status;
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}
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@Override
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public WhoisResponseResults getResponse(boolean preferUnicode, String disclaimer) {
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String plaintext = new WhoisResponseImpl.BasicEmitter()
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.emitRawLine(getMessage())
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.emitLastUpdated(getTimestamp())
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.emitFooter(disclaimer)
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.toString();
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return WhoisResponseResults.create(plaintext, 0);
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}
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/** Exception that wraps WhoisExceptions returned from Retrier. */
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public static final class UncheckedWhoisException extends RuntimeException {
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UncheckedWhoisException(WhoisException whoisException) {
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super(whoisException);
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}
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}
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}
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