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JSON like gramma Data Type definition language JSSD and Java class generator for Jackson Framework JSON-structure reading and writing

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/*
 * #%L
 * anwiba commons tools
 * %%
 * Copyright (C) 2007 - 2016 Andreas Bartels
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 2.1 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Lesser Public License for more details.
 *
 * You should have received a copy of the GNU General Lesser Public
 * License along with this program.  If not, see
 * .
 * #L%
 */
package net.anwiba.tools.definition.schema.json.gramma.element;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class JObjectBuilder implements IAnnotatable {

  private final Map values = new HashMap<>();
  private final List names = new ArrayList<>();
  private final List annotations = new ArrayList<>();
  private String comment;

  public void add(final JField field) {
    if (field == null) {
      return;
    }
    this.names.add(field.name());
    this.values.put(field.name(), field);
  }

  @Override
  public void add(final JAnnotation annotation) {
    if (annotation == null) {
      return;
    }
    this.annotations.add(annotation);
  }

  public JObject build() {
    return new JObject(this.names, this.values, this.annotations, this.comment);
  }

  public void comment(final String comment) {
    if (comment == null) {
      return;
    }
    this.comment = clean(comment);
  }

  private String clean(final String comment) {
    if (comment == null) {
      return null;
    }
    return comment
        .substring(2, comment.length() - 2)
        .trim()
        .lines()
        .map(line -> line.trim())
        .map(line -> line.startsWith("*") ? line.substring(1, line.length())
            .trim() : line)
        .reduce(null, (s, n) -> s == null ? n : s + "\n" + n);
  }

}