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c3723bfa2f
This refactors the GetEppResourceCommand hierarchy a bit so that instead of using the type param on the class to do implicit loading (which doesn't work that well any more for domain applications anyway), we just do the loading in each child class and rely on the parent class only for printing and setting common flags. I did this to make it possible for loadByForeignKey() to have strong typing (in a future CL), but I think this changes stands on its own merits for making the logic here more straightforward and actually somewhat shorter. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=134115072
66 lines
2.4 KiB
Java
66 lines
2.4 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;
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import static com.google.common.base.Preconditions.checkArgument;
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import static org.joda.time.DateTimeZone.UTC;
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import com.beust.jcommander.Parameter;
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import com.beust.jcommander.Parameters;
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import com.googlecode.objectify.Key;
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import google.registry.model.EppResource;
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import google.registry.tools.Command.RemoteApiCommand;
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import javax.annotation.Nullable;
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import org.joda.time.DateTime;
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/** Abstract command to print one or more resources to stdout. */
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@Parameters(separators = " =")
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abstract class GetEppResourceCommand implements RemoteApiCommand {
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private final DateTime now = DateTime.now(UTC);
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@Parameter(
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names = "--read_timestamp",
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description = "Timestamp to use when reading. May not be in the past.")
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protected DateTime readTimestamp = now;
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@Parameter(
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names = "--expand",
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description = "Fully expand the requested resource. NOTE: Output may be lengthy.")
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boolean expand;
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/** Runs the command's own logic that calls {@link #printResource}. */
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abstract void runAndPrint();
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/**
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* Prints a possibly-null resource to stdout, using resourceType and uniqueId to construct a
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* nice error message if the resource was null (i.e. doesn't exist).
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*
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* <p>The websafe key is appended to the output for use in e.g. manual mapreduce calls.
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*/
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void printResource(String resourceType, String uniqueId, @Nullable EppResource resource) {
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System.out.println(resource != null
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? String.format("%s\n\nWebsafe key: %s",
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expand ? resource.toHydratedString() : resource,
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Key.create(resource).getString())
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: String.format("%s '%s' does not exist or is deleted\n", resourceType, uniqueId));
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}
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@Override
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public void run() {
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checkArgument(!readTimestamp.isBefore(now), "--read_timestamp may not be in the past");
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runAndPrint();
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}
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}
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