// Copyright (C) 2009 The Android Open Source Project
//
// 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.gerrit.httpd.rpc;
import com.google.gwtjsonrpc.common.RemoteJsonService;
import com.google.inject.Key;
import com.google.inject.Scopes;
import com.google.inject.internal.UniqueAnnotations;
import com.google.inject.servlet.ServletModule;
/** Binds {@link RemoteJsonService} implementations to a JSON servlet. */
public abstract class RpcServletModule extends ServletModule {
public static final String PREFIX = "/gerrit_ui/rpc/";
private final String prefix;
protected RpcServletModule(final String pathPrefix) {
prefix = pathPrefix;
}
protected void rpc(Class<? extends RemoteJsonService> clazz) {
String name = clazz.getSimpleName();
if (name.endsWith("Impl")) {
name = name.substring(0, name.length() - 4);
}
rpc(name, clazz);
}
protected void rpc(final String name, Class<? extends RemoteJsonService> clazz) {
final Key<GerritJsonServlet> srv =
Key.get(GerritJsonServlet.class, UniqueAnnotations.create());
final GerritJsonServletProvider provider =
new GerritJsonServletProvider(clazz);
bind(clazz);
serve(prefix + name).with(srv);
bind(srv).toProvider(provider).in(Scopes.SINGLETON);
}
}