| /* |
| * Copyright (C) 2015 Square, 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 com.squareup.javapoet; |
| |
| import java.io.IOException; |
| import java.lang.reflect.Type; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Set; |
| import javax.lang.model.SourceVersion; |
| import javax.lang.model.element.Modifier; |
| |
| import static com.squareup.javapoet.Util.checkArgument; |
| import static com.squareup.javapoet.Util.checkNotNull; |
| import static com.squareup.javapoet.Util.checkState; |
| |
| /** A generated field declaration. */ |
| public final class FieldSpec { |
| public final TypeName type; |
| public final String name; |
| public final CodeBlock javadoc; |
| public final List<AnnotationSpec> annotations; |
| public final Set<Modifier> modifiers; |
| public final CodeBlock initializer; |
| |
| private FieldSpec(Builder builder) { |
| this.type = checkNotNull(builder.type, "type == null"); |
| this.name = checkNotNull(builder.name, "name == null"); |
| this.javadoc = builder.javadoc.build(); |
| this.annotations = Util.immutableList(builder.annotations); |
| this.modifiers = Util.immutableSet(builder.modifiers); |
| this.initializer = (builder.initializer == null) |
| ? CodeBlock.builder().build() |
| : builder.initializer; |
| } |
| |
| public boolean hasModifier(Modifier modifier) { |
| return modifiers.contains(modifier); |
| } |
| |
| void emit(CodeWriter codeWriter, Set<Modifier> implicitModifiers) throws IOException { |
| codeWriter.emitJavadoc(javadoc); |
| codeWriter.emitAnnotations(annotations, false); |
| codeWriter.emitModifiers(modifiers, implicitModifiers); |
| codeWriter.emit("$T $L", type, name); |
| if (!initializer.isEmpty()) { |
| codeWriter.emit(" = "); |
| codeWriter.emit(initializer); |
| } |
| codeWriter.emit(";\n"); |
| } |
| |
| @Override public boolean equals(Object o) { |
| if (this == o) return true; |
| if (o == null) return false; |
| if (getClass() != o.getClass()) return false; |
| return toString().equals(o.toString()); |
| } |
| |
| @Override public int hashCode() { |
| return toString().hashCode(); |
| } |
| |
| @Override public String toString() { |
| StringBuilder out = new StringBuilder(); |
| try { |
| CodeWriter codeWriter = new CodeWriter(out); |
| emit(codeWriter, Collections.emptySet()); |
| return out.toString(); |
| } catch (IOException e) { |
| throw new AssertionError(); |
| } |
| } |
| |
| public static Builder builder(TypeName type, String name, Modifier... modifiers) { |
| checkNotNull(type, "type == null"); |
| checkArgument(SourceVersion.isName(name), "not a valid name: %s", name); |
| return new Builder(type, name) |
| .addModifiers(modifiers); |
| } |
| |
| public static Builder builder(Type type, String name, Modifier... modifiers) { |
| return builder(TypeName.get(type), name, modifiers); |
| } |
| |
| public Builder toBuilder() { |
| Builder builder = new Builder(type, name); |
| builder.javadoc.add(javadoc); |
| builder.annotations.addAll(annotations); |
| builder.modifiers.addAll(modifiers); |
| builder.initializer = initializer.isEmpty() ? null : initializer; |
| return builder; |
| } |
| |
| public static final class Builder { |
| private final TypeName type; |
| private final String name; |
| |
| private final CodeBlock.Builder javadoc = CodeBlock.builder(); |
| private final List<AnnotationSpec> annotations = new ArrayList<>(); |
| private final List<Modifier> modifiers = new ArrayList<>(); |
| private CodeBlock initializer = null; |
| |
| private Builder(TypeName type, String name) { |
| this.type = type; |
| this.name = name; |
| } |
| |
| public Builder addJavadoc(String format, Object... args) { |
| javadoc.add(format, args); |
| return this; |
| } |
| |
| public Builder addJavadoc(CodeBlock block) { |
| javadoc.add(block); |
| return this; |
| } |
| |
| public Builder addAnnotations(Iterable<AnnotationSpec> annotationSpecs) { |
| checkArgument(annotationSpecs != null, "annotationSpecs == null"); |
| for (AnnotationSpec annotationSpec : annotationSpecs) { |
| this.annotations.add(annotationSpec); |
| } |
| return this; |
| } |
| |
| public Builder addAnnotation(AnnotationSpec annotationSpec) { |
| this.annotations.add(annotationSpec); |
| return this; |
| } |
| |
| public Builder addAnnotation(ClassName annotation) { |
| this.annotations.add(AnnotationSpec.builder(annotation).build()); |
| return this; |
| } |
| |
| public Builder addAnnotation(Class<?> annotation) { |
| return addAnnotation(ClassName.get(annotation)); |
| } |
| |
| public Builder addModifiers(Modifier... modifiers) { |
| Collections.addAll(this.modifiers, modifiers); |
| return this; |
| } |
| |
| public Builder initializer(String format, Object... args) { |
| return initializer(CodeBlock.of(format, args)); |
| } |
| |
| public Builder initializer(CodeBlock codeBlock) { |
| checkState(this.initializer == null, "initializer was already set"); |
| this.initializer = checkNotNull(codeBlock, "codeBlock == null"); |
| return this; |
| } |
| |
| public FieldSpec build() { |
| return new FieldSpec(this); |
| } |
| } |
| } |