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
17package com.google.inject.spi;
18
19import static com.google.common.base.Preconditions.checkNotNull;
20
21import com.google.inject.Binder;
22import 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 */
30public final class ModuleAnnotatedMethodScannerBinding implements Element {
31  private final Object source;
32  private final ModuleAnnotatedMethodScanner scanner;
33
34  public ModuleAnnotatedMethodScannerBinding(Object source, ModuleAnnotatedMethodScanner scanner) {
35    this.source = checkNotNull(source, "source");
36    this.scanner = checkNotNull(scanner, "scanner");
37  }
38
39  public Object getSource() {
40    return source;
41  }
42
43  public ModuleAnnotatedMethodScanner getScanner() {
44    return scanner;
45  }
46
47  public <T> T acceptVisitor(ElementVisitor<T> visitor) {
48    return visitor.visit(this);
49  }
50
51  public void applyTo(Binder binder) {
52    binder.withSource(getSource()).scanModulesForAnnotatedMethods(scanner);
53  }
54
55  @Override public String toString() {
56    return scanner + " which scans for " + scanner.annotationClasses()
57        + " (bound at " + Errors.convert(source) + ")";
58  }
59}
60