br.com.objectos.io.compiler.FlatFilePojoWritable Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of io-flat-compiler Show documentation
The newest version!
/*
 * Copyright 2015 Objectos, Fábrica de Software LTDA.
 *
 * 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 br.com.objectos.io.compiler;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.List;

import javax.lang.model.element.Modifier;

import com.google.common.collect.ImmutableList;
import com.squareup.javapoet.MethodSpec;
import com.squareup.javapoet.TypeSpec;

/**
 * @author [email protected] (Marcio Endo)
 */
class FlatFilePojoWritable extends AbstractHasFlatFile {

  public FlatFilePojoWritable(FlatFile file) {
    super(file);
  }

  public List get() {
    List res = ImmutableList.of();

    if (writable()) {
      res = get0();
    }

    return res;
  }

  public void addTo(TypeSpec.Builder type) {
    type.addMethods(get());
  }

  private List get0() {
    return ImmutableList. builder()
        .add(method0())
        .add(method1())
        .build();
  }

  private MethodSpec method0() {
    return MethodSpec.methodBuilder("writeTo")
        .addAnnotation(Override.class)
        .addModifiers(Modifier.PUBLIC)
        .addException(IOException.class)
        .addParameter(Appendable.class, "out")
        .addStatement("$L(out)", writeToMethodName())
        .build();
  }

  private MethodSpec method1() {
    return MethodSpec.methodBuilder("writeTo")
        .addAnnotation(Override.class)
        .addModifiers(Modifier.PUBLIC)
        .addException(IOException.class)
        .addParameter(File.class, "file")
        .beginControlFlow("try ($T out = new $T(file))", FileWriter.class, FileWriter.class)
        .addStatement("$L(out)", writeToMethodName())
        .endControlFlow()
        .build();
  }

}