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/*
 * 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.util.Collection;

import br.com.objectos.code.MethodInfo;
import br.com.objectos.code.SimpleTypeInfo;

import com.squareup.javapoet.CodeBlock;
import com.squareup.javapoet.TypeName;

/**
 * @author [email protected] (Marcio Endo)
 */
abstract class RecordMethod {

  private final MethodInfo methodInfo;

  private final SimpleTypeInfo recordtypeInfo;
  private final TypeName recordTypeName;

  RecordMethod(MethodInfo methodInfo, SimpleTypeInfo recordtypeInfo, TypeName recordTypeName) {
    this.methodInfo = methodInfo;
    this.recordtypeInfo = recordtypeInfo;
    this.recordTypeName = recordTypeName;
  }

  public static RecordMethod code(MethodInfo methodInfo) {
    SimpleTypeInfo returnTypeInfo = methodInfo.returnTypeInfo();

    return returnTypeInfo.isSubType(Collection.class)
        ? CollectionRecordMethod.code(methodInfo, returnTypeInfo)
        : SingleRecordMethod.code(methodInfo, returnTypeInfo);
  }

  abstract void flatFileWriteTo(CodeBlock.Builder body);

  abstract ExceptionField exceptionField();

  String methodInfoFieldName() {
    return methodInfo.fieldName();
  }

  SimpleTypeInfo methodInfoReturnTypeInfo() {
    return methodInfo.returnTypeInfo();
  }

  abstract void parserParseStatementTo(CodeBlock.Builder body);

  void parserParseBuilder(CodeBlock.Builder body) {
    body.add("    .$L($L.get())\n", methodInfo.fieldName(), methodInfo.fieldName());
  }

  TypeName recordTypeName() {
    return recordTypeName;
  }

  TypeName recordParserTypeName() {
    return recordtypeInfo.classNameSuffix("Parser");
  }

}