mv com/google/domain/registry google/registry

This change renames directories in preparation for the great package
rename. The repository is now in a broken state because the code
itself hasn't been updated. However this should ensure that git
correctly preserves history for each file.

java/google/registry/flows/ResourceFlow.java

@@ -0,0 +1,103 @@
+// 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 com.google.domain.registry.flows;
+
+import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.Sets;
+import com.google.domain.registry.flows.EppException.CommandUseErrorException;
+import com.google.domain.registry.model.EppResource;
+import com.google.domain.registry.model.eppinput.EppInput.ResourceCommandWrapper;
+import com.google.domain.registry.model.eppinput.ResourceCommand;
+import com.google.domain.registry.model.eppoutput.EppOutput;
+import com.google.domain.registry.model.registry.Registry;
+import com.google.domain.registry.model.registry.Registry.TldState;
+import com.google.domain.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();
+  }
+
+  /**
+   * Check that the current action operating within the scope of a single TLD (i.e. an operation on
+   * a domain) is allowed in the registry phase for the specified TLD that the resource is in.
+   */
+  protected void checkRegistryStateForTld(String tld) throws BadCommandForRegistryPhaseException {
+    if (!superuser && getDisallowedTldStates().contains(Registry.get(tld).getTldState(now))) {
+      throw new BadCommandForRegistryPhaseException();
+    }
+  }
+
+  /**
+   * Get the TLD states during which this command is disallowed. By default all commands can be run
+   * in any state (except predelegation); Flow subclasses must override this method to disallow any
+   * further states.
+   */
+  protected ImmutableSet<TldState> getDisallowedTldStates() {
+    return Sets.immutableEnumSet(TldState.PREDELEGATION);
+  }
+
+  /**
+   * 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;
+
+  /** Command is not allowed in the current registry phase. */
+  public static class BadCommandForRegistryPhaseException extends CommandUseErrorException {
+    public BadCommandForRegistryPhaseException() {
+      super("Command is not allowed in the current registry phase");
+    }
+  }
+}