mirror of
https://github.com/google/nomulus.git
synced 2025-04-30 03:57:51 +02:00
72 lines
2.5 KiB
Java
72 lines
2.5 KiB
Java
// Copyright 2016 The Nomulus 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 google.registry.model.EppResource;
|
|
import google.registry.model.eppinput.EppInput.ResourceCommandWrapper;
|
|
import google.registry.model.eppinput.ResourceCommand;
|
|
import google.registry.model.eppoutput.EppOutput;
|
|
import google.registry.util.TypeUtils.TypeInstantiator;
|
|
|
|
/**
|
|
* An EPP flow that addresses a stored resource.
|
|
*
|
|
* @param <R> the resource type being manipulated
|
|
* @param <C> the command type doing the manipulation.
|
|
*/
|
|
public abstract class ResourceFlow<R extends EppResource, C extends ResourceCommand>
|
|
extends LoggedInFlow {
|
|
|
|
protected C command;
|
|
protected Class<R> resourceClass;
|
|
|
|
@Override
|
|
@SuppressWarnings("unchecked")
|
|
protected final void initLoggedInFlow() throws EppException {
|
|
this.command = (C) ((ResourceCommandWrapper) eppInput.getCommandWrapper().getCommand())
|
|
.getResourceCommand();
|
|
this.resourceClass = new TypeInstantiator<R>(getClass()){}.getExactType();
|
|
initResourceFlow();
|
|
}
|
|
|
|
/** Resource flows can override this for custom initialization.*/
|
|
protected abstract void initResourceFlow() throws EppException;
|
|
|
|
/**
|
|
* Loads the target resource and performs authorization and state allowance checks on it before
|
|
* delegating to {@link #runResourceFlow()}.
|
|
*
|
|
* @throws EppException If an error occurred while manipulating the resource.
|
|
*/
|
|
@Override
|
|
public final EppOutput run() throws EppException {
|
|
verifyIsAllowed();
|
|
return runResourceFlow();
|
|
}
|
|
|
|
/**
|
|
* Verifies that the command is allowed on the target resource.
|
|
*
|
|
* @throws EppException If the command is not allowed on this resource.
|
|
*/
|
|
protected abstract void verifyIsAllowed() throws EppException;
|
|
|
|
/**
|
|
* Run the flow.
|
|
*
|
|
* @throws EppException If something fails while manipulating the resource.
|
|
*/
|
|
protected abstract EppOutput runResourceFlow() throws EppException;
|
|
}
|