Java tutorial
/* * Copyright (C) 2014 Google, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package dagger.internal.codegen.writer; import com.google.common.collect.Lists; import com.google.common.collect.Maps; import java.util.List; import java.util.Map; import javax.lang.model.element.TypeElement; import javax.lang.model.type.TypeMirror; /** * Only named types. Doesn't cover anonymous inner classes. */ public abstract class TypeWriter /* ha ha */ extends Modifiable implements Writable, HasTypeName, HasClassReferences { final ClassName name; final List<TypeName> implementedTypes; final List<MethodWriter> methodWriters; final List<TypeWriter> nestedTypeWriters; final Map<String, FieldWriter> fieldWriters; TypeWriter(ClassName name) { this.name = name; this.implementedTypes = Lists.newArrayList(); this.methodWriters = Lists.newArrayList(); this.nestedTypeWriters = Lists.newArrayList(); this.fieldWriters = Maps.newLinkedHashMap(); } @Override public ClassName name() { return name; } public MethodWriter addMethod(TypeWriter returnType, String name) { MethodWriter methodWriter = new MethodWriter(returnType.name, name); methodWriters.add(methodWriter); return methodWriter; } public MethodWriter addMethod(TypeMirror returnType, String name) { MethodWriter methodWriter = new MethodWriter(TypeNames.forTypeMirror(returnType), name); methodWriters.add(methodWriter); return methodWriter; } public MethodWriter addMethod(TypeName returnType, String name) { MethodWriter methodWriter = new MethodWriter(returnType, name); methodWriters.add(methodWriter); return methodWriter; } public MethodWriter addMethod(Class<?> returnType, String name) { MethodWriter methodWriter = new MethodWriter(ClassName.fromClass(returnType), name); methodWriters.add(methodWriter); return methodWriter; } public ClassWriter addNestedClass(String name) { ClassWriter innerClassWriter = new ClassWriter(this.name.nestedClassNamed(name)); nestedTypeWriters.add(innerClassWriter); return innerClassWriter; } public void addImplementedType(TypeName typeReference) { implementedTypes.add(typeReference); } public void addImplementedType(TypeElement typeElement) { implementedTypes.add(ClassName.fromTypeElement(typeElement)); } public FieldWriter addField(Class<?> type, String name) { return addField(ClassName.fromClass(type), name); } public FieldWriter addField(TypeElement type, String name) { return addField(ClassName.fromTypeElement(type), name); } public FieldWriter addField(TypeName type, String name) { String candidateName = name; int differentiator = 1; while (fieldWriters.containsKey(candidateName)) { candidateName = name + differentiator; differentiator++; } FieldWriter fieldWriter = new FieldWriter(type, candidateName); fieldWriters.put(candidateName, fieldWriter); return fieldWriter; } }