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 */ 16 package 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 */ 24 final class KeyFormatter extends Formatter<Key> { 25 format(Key request)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