1 /*
2  * Copyright (C) 2015 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.internal.Errors;
23 
24 /**
25  * Represents a call to {@link Binder#scanModulesForAnnotatedMethods} in a module.
26  *
27  * @author sameb@google.com (Sam Berlin)
28  * @since 4.0
29  */
30 public final class ModuleAnnotatedMethodScannerBinding implements Element {
31   private final Object source;
32   private final ModuleAnnotatedMethodScanner scanner;
33 
ModuleAnnotatedMethodScannerBinding(Object source, ModuleAnnotatedMethodScanner scanner)34   public ModuleAnnotatedMethodScannerBinding(Object source, ModuleAnnotatedMethodScanner scanner) {
35     this.source = checkNotNull(source, "source");
36     this.scanner = checkNotNull(scanner, "scanner");
37   }
38 
39   @Override
getSource()40   public Object getSource() {
41     return source;
42   }
43 
getScanner()44   public ModuleAnnotatedMethodScanner getScanner() {
45     return scanner;
46   }
47 
48   @Override
acceptVisitor(ElementVisitor<T> visitor)49   public <T> T acceptVisitor(ElementVisitor<T> visitor) {
50     return visitor.visit(this);
51   }
52 
53   @Override
applyTo(Binder binder)54   public void applyTo(Binder binder) {
55     binder.withSource(getSource()).scanModulesForAnnotatedMethods(scanner);
56   }
57 
58   @Override
toString()59   public String toString() {
60     return scanner
61         + " which scans for "
62         + scanner.annotationClasses()
63         + " (bound at "
64         + Errors.convert(source)
65         + ")";
66   }
67 }
68