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a09d48a4a5
Very few flows actually check the phase. Push the checks down to the leaf flows so that we can remove the inherited code from ResourceFlow and replace it with utility methods. In the process, document and test two places that throw the exception but did not previously test it. This introduces a temporary hack in BaseDomainCreateFlow that does something specific for DomainApplicationCreateFlow. It will go away literally tomorrow when I flatten that flow. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=135480538
72 lines
2.5 KiB
Java
72 lines
2.5 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.flows;
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import google.registry.model.EppResource;
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import google.registry.model.eppinput.EppInput.ResourceCommandWrapper;
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import google.registry.model.eppinput.ResourceCommand;
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import google.registry.model.eppoutput.EppOutput;
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import google.registry.util.TypeUtils.TypeInstantiator;
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/**
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* An EPP flow that addresses a stored resource.
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*
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* @param <R> the resource type being manipulated
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* @param <C> the command type doing the manipulation.
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*/
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public abstract class ResourceFlow<R extends EppResource, C extends ResourceCommand>
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extends LoggedInFlow {
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protected C command;
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protected Class<R> resourceClass;
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@Override
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@SuppressWarnings("unchecked")
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protected final void initLoggedInFlow() throws EppException {
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this.command = (C) ((ResourceCommandWrapper) eppInput.getCommandWrapper().getCommand())
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.getResourceCommand();
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this.resourceClass = new TypeInstantiator<R>(getClass()){}.getExactType();
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initResourceFlow();
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}
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/** Resource flows can override this for custom initialization.*/
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protected abstract void initResourceFlow() throws EppException;
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/**
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* Loads the target resource and performs authorization and state allowance checks on it before
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* delegating to {@link #runResourceFlow()}.
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*
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* @throws EppException If an error occurred while manipulating the resource.
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*/
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@Override
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public final EppOutput run() throws EppException {
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verifyIsAllowed();
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return runResourceFlow();
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}
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/**
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* Verifies that the command is allowed on the target resource.
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*
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* @throws EppException If the command is not allowed on this resource.
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*/
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protected abstract void verifyIsAllowed() throws EppException;
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/**
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* Run the flow.
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*
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* @throws EppException If something fails while manipulating the resource.
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*/
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protected abstract EppOutput runResourceFlow() throws EppException;
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}
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