Line data    Source code

       1             : // Copyright (C) 2009 The Android Open Source Project
       2             : //
       3             : // Licensed under the Apache License, Version 2.0 (the "License");
       4             : // you may not use this file except in compliance with the License.
       5             : // You may obtain a copy of the License at
       6             : //
       7             : // http://www.apache.org/licenses/LICENSE-2.0
       8             : //
       9             : // Unless required by applicable law or agreed to in writing, software
      10             : // distributed under the License is distributed on an "AS IS" BASIS,
      11             : // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      12             : // See the License for the specific language governing permissions and
      13             : // limitations under the License.
      14             : 
      15             : package com.google.gerrit.server.config;
      16             : 
      17             : import com.google.inject.AbstractModule;
      18             : import com.google.inject.Provider;
      19             : 
      20             : /** Supports binding the {@link CanonicalWebUrl} annotation. */
      21         152 : public abstract class CanonicalWebUrlModule extends AbstractModule {
      22             :   @Override
      23             :   protected void configure() {
      24             :     // Note that the CanonicalWebUrl itself must not be a singleton, but its
      25             :     // provider must be.
      26             :     //
      27             :     // If the value was not configured in the system configuration data the
      28             :     // provider may try to guess it from the current HTTP request, if we are
      29             :     // running in an HTTP environment.
      30             :     //
      31         152 :     final Class<? extends Provider<String>> provider = provider();
      32         152 :     bind(String.class).annotatedWith(CanonicalWebUrl.class).toProvider(provider);
      33         152 :   }
      34             : 
      35             :   protected abstract Class<? extends Provider<String>> provider();
      36             : }