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.writer; 17 18 import com.google.common.base.Function; 19 import com.google.common.base.Optional; 20 import com.google.common.collect.FluentIterable; 21 import com.google.common.collect.ImmutableList; 22 import com.google.common.collect.Iterables; 23 import java.io.IOException; 24 import java.util.Set; 25 26 public final class FieldWriter extends VariableWriter { 27 private Optional<Snippet> initializer; 28 29 FieldWriter(TypeName type, String name) { 30 super(type, name); 31 this.initializer = Optional.absent(); 32 } 33 34 public void setInitializer(Snippet initializer) { 35 this.initializer = Optional.of(initializer); 36 } 37 38 public void setInitializer(String initializer, Object... args) { 39 this.initializer = Optional.of(Snippet.format(initializer, args)); 40 } 41 42 @Override 43 public Appendable write(Appendable appendable, Context context) throws IOException { 44 super.write(appendable, context); 45 if (initializer.isPresent()) { 46 appendable.append(" = "); 47 initializer.get().write(appendable, context); 48 } 49 appendable.append(';'); 50 return appendable; 51 } 52 53 @Override 54 public Set<ClassName> referencedClasses() { 55 Iterable<? extends HasClassReferences> concat = 56 Iterables.concat(ImmutableList.of(type()), initializer.asSet(), annotations); 57 return FluentIterable.from(concat) 58 .transformAndConcat(new Function<HasClassReferences, Set<ClassName>>() { 59 @Override 60 public Set<ClassName> apply(HasClassReferences input) { 61 return input.referencedClasses(); 62 } 63 }) 64 .toSet(); 65 } 66 } 67
