br.com.objectos.way.ui.UserInput Maven / Gradle / Ivy

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/*
 * Copyright 2014 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.way.ui;

import java.util.List;

import br.com.objectos.way.core.auto.AutoPojo;
import br.com.objectos.way.ui.form.FormResponse.Error;

import com.google.common.base.Optional;

import org.codehaus.jackson.JsonGenerator;

/**
 * @author [email protected] (Marcio Endo)
 */
@AutoPojo
public abstract class UserInput implements IsJsonSerializable {

  abstract Optional context();
  abstract List errors();
  abstract List formErrors();
  abstract Optional redirectUrl();

  UserInput() {
  }

  public static UserInputBuilder builder() {
    return new UserInputBuilderPojo();
  }

  public boolean isValid() {
    return errors().isEmpty() && formErrors().isEmpty();
  }

  @Override
  public void toJson(JsonGenerator jgen) {
    WayUI.toJsonHelper(jgen)
        .add("context", context().orNull())
        .add("errors", errors())
        .add("formErrors", formErrors())
        .add("redirectUrl", redirectUrl().orNull())
        .add("valid", isValid())
        .write();
  }

}