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 import com.google.common.base.Optional; 19 20 import static com.google.auto.common.MoreElements.asExecutable; 21 import static com.google.auto.common.MoreTypes.asDeclared; 22 23 /** 24 * Formats a {@link ContributionBinding} into a {@link String} suitable for use in error messages. 25 * 26 * @author Christian Gruber 27 * @since 2.0 28 */ 29 final class ContributionBindingFormatter extends Formatter<ContributionBinding> { 30 private final MethodSignatureFormatter methodSignatureFormatter; 31 ContributionBindingFormatter(MethodSignatureFormatter methodSignatureFormatter)32 ContributionBindingFormatter(MethodSignatureFormatter methodSignatureFormatter) { 33 this.methodSignatureFormatter = methodSignatureFormatter; 34 } 35 format(ContributionBinding binding)36 @Override public String format(ContributionBinding binding) { 37 switch (binding.bindingKind()) { 38 case COMPONENT_PROVISION: 39 case COMPONENT_PRODUCTION: 40 return methodSignatureFormatter.format(asExecutable(binding.bindingElement())); 41 42 case PROVISION: 43 case SUBCOMPONENT_BUILDER: 44 case IMMEDIATE: 45 case FUTURE_PRODUCTION: 46 return methodSignatureFormatter.format( 47 asExecutable(binding.bindingElement()), 48 Optional.of(asDeclared(binding.contributedBy().get().asType()))); 49 50 default: 51 throw new UnsupportedOperationException( 52 "Not yet supporting " + binding.bindingKind() + " binding types."); 53 } 54 } 55 } 56