1 /*
2  * Copyright (C) 2012 Google Inc.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.google.inject.spi;
18 
19 import static com.google.common.base.Preconditions.checkNotNull;
20 
21 import com.google.inject.Binder;
22 import com.google.inject.Inject;
23 
24 /**
25  * A request to require explicit {@literal @}{@link Inject} annotations on constructors.
26  *
27  * @author sameb@google.com (Sam Berlin)
28  * @since 4.0
29  */
30 public final class RequireAtInjectOnConstructorsOption implements Element {
31   private final Object source;
32 
RequireAtInjectOnConstructorsOption(Object source)33   RequireAtInjectOnConstructorsOption(Object source) {
34     this.source = checkNotNull(source, "source");
35   }
36 
37   @Override
getSource()38   public Object getSource() {
39     return source;
40   }
41 
42   @Override
applyTo(Binder binder)43   public void applyTo(Binder binder) {
44     binder.withSource(getSource()).requireAtInjectOnConstructors();
45   }
46 
47   @Override
acceptVisitor(ElementVisitor<T> visitor)48   public <T> T acceptVisitor(ElementVisitor<T> visitor) {
49     return visitor.visit(this);
50   }
51 }
52