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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 javax.lang.model.element.Modifier;

import com.squareup.javapoet.MethodSpec;
import com.squareup.javapoet.TypeName;
import com.squareup.javapoet.TypeSpec.Builder;

/**
 * @author [email protected] (Marcio Endo)
 */
class RecordMatcher extends AbstractHasRecord {

  private final FieldMethod fieldMethod;

  public RecordMatcher(Record record, FieldMethod fieldMethod) {
    super(record);
    this.fieldMethod = fieldMethod;
  }

  public MethodSpec matches() {
    return MethodSpec.methodBuilder("matches")
        .addAnnotation(Override.class)
        .addModifiers(Modifier.PUBLIC)
        .returns(TypeName.BOOLEAN)
        .addParameter(String.class, "line")
        .addStatement("return line != null ? line.startsWith($S) : false", fieldMethod.fieldAnnotationStringValue("value"))
        .build();
  }

  public MethodSpec _static() {
    return MethodSpec.methodBuilder("getMatcher")
        .addModifiers(Modifier.PUBLIC, Modifier.STATIC)
        .returns(typeNameMatcherInterface())
        .addStatement("return INSTANCE")
        .build();
  }

  public void addMethodTo(Builder type) {
    type.addMethod(matches());
  }

  public void addSuperinterfaceTo(Builder type) {
    type.addSuperinterface(typeNameMatcherInterface());
  }

  public void addStaticTo(Builder type) {
    type.addMethod(_static());
  }

}