1/*
2 * Copyright (C) 2014 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 */
16package dagger.internal.codegen;
17
18/**
19 * Formats a {@link Key} into a {@link String} suitable for use in error messages
20 *
21 * @author Christian Gruber
22 * @since 2.0
23 */
24final class KeyFormatter extends Formatter<Key> {
25
26  @Override public String format(Key request) {
27    StringBuilder builder = new StringBuilder();
28    if (request.qualifier().isPresent()) {
29      builder.append(request.qualifier().get());
30      builder.append(' ');
31    }
32    builder.append(request.type()); // TODO(cgruber): Use TypeMirrorFormatter.
33    return builder.toString();
34  }
35}
36