google-nomulus/java/google/registry/flows/ResourceMutateFlow.java
cgoldfeder 096877f03e Unify two exceptions that mean the same thing
These were historically separate due to the old flow
structure, but now they should be one exception.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=133984858
2016-09-26 13:21:54 -04:00

64 lines
2.5 KiB
Java

// Copyright 2016 The Domain Registry Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package google.registry.flows;
import static google.registry.flows.ResourceFlowUtils.verifyAuthInfoForResource;
import google.registry.flows.EppException.ObjectDoesNotExistException;
import google.registry.model.EppResource;
import google.registry.model.eppinput.ResourceCommand.SingleResourceCommand;
import google.registry.util.TypeUtils.TypeInstantiator;
/**
* An EPP flow that mutates a single stored resource.
*
* @param <R> the resource type being changed
* @param <C> the command type, marshalled directly from the epp xml
*/
public abstract class ResourceMutateFlow<R extends EppResource, C extends SingleResourceCommand>
extends ResourceCreateOrMutateFlow<R, C> {
@Override
protected void initRepoId() {
// existingResource could be null here if the flow is being called to mutate a resource that
// does not exist, in which case don't throw NPE here and allow the non-existence to be handled
// later.
repoId = (existingResource == null) ? null : existingResource.getRepoId();
}
/** Fail if the object doesn't exist or was deleted. */
@Override
protected final void verifyIsAllowed() throws EppException {
if (existingResource == null) {
throw new ResourceDoesNotExistException(
new TypeInstantiator<R>(getClass()){}.getExactType(), targetId);
}
if (command.getAuthInfo() != null) {
verifyAuthInfoForResource(command.getAuthInfo(), existingResource);
}
verifyMutationAllowed();
}
/** Check invariants before allowing the command to proceed. */
@SuppressWarnings("unused")
protected void verifyMutationAllowed() throws EppException {}
/** Resource with this id does not exist. */
public static class ResourceDoesNotExistException extends ObjectDoesNotExistException {
public ResourceDoesNotExistException(Class<?> type, String targetId) {
super(type, targetId);
}
}
}