org.ambraproject.rhino.view.comment.CommentNodeView.java Source code

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Here is the source code for org.ambraproject.rhino.view.comment.CommentNodeView.java

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/*
 * Copyright (c) 2017 Public Library of Science
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

package org.ambraproject.rhino.view.comment;

import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonSerializationContext;
import org.ambraproject.rhino.identity.Doi;
import org.ambraproject.rhino.model.Comment;
import org.ambraproject.rhino.config.RuntimeConfiguration;
import org.ambraproject.rhino.model.Flag;
import org.ambraproject.rhino.view.JsonOutputView;
import org.ambraproject.rhino.view.article.ArticleVisibility;

import java.util.Objects;

/**
 * A view of an comment with no relationships to its parent or child comments.
 */
public class CommentNodeView implements JsonOutputView {

    private final Comment comment;
    private final CompetingInterestStatement competingInterestStatement;
    private final ArticleVisibility parentArticle;

    private CommentNodeView(Comment comment, CompetingInterestStatement competingInterestStatement,
            ArticleVisibility parentArticle) {
        this.comment = Objects.requireNonNull(comment);
        this.competingInterestStatement = Objects.requireNonNull(competingInterestStatement);
        this.parentArticle = Objects.requireNonNull(parentArticle);
    }

    private CommentNodeView(Comment comment, CompetingInterestStatement competingInterestStatement) {
        this.comment = Objects.requireNonNull(comment);
        this.competingInterestStatement = Objects.requireNonNull(competingInterestStatement);
        this.parentArticle = null;
    }

    public static class Factory {
        private final CompetingInterestPolicy competingInterestPolicy;

        public Factory(RuntimeConfiguration runtimeConfiguration) {
            this.competingInterestPolicy = new CompetingInterestPolicy(runtimeConfiguration);
        }

        public CommentNodeView create(Comment comment, String articleDoi) {
            return new CommentNodeView(comment, competingInterestPolicy.createStatement(comment),
                    ArticleVisibility.create(Doi.create(articleDoi)));
        }

        public CommentNodeView create(Comment comment) {
            return new CommentNodeView(comment, competingInterestPolicy.createStatement(comment));
        }

        public CommentFlagOutputView createFlagView(Flag commentFlag) {
            return new CommentFlagOutputView(commentFlag, create(commentFlag.getFlaggedComment()));
        }
    }

    @Override
    public JsonElement serialize(JsonSerializationContext context) {
        JsonObject serialized = CommentOutputView.serializeBase(context, comment, competingInterestStatement);
        serialized.add("parentArticle", context.serialize(parentArticle));
        return serialized;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o)
            return true;
        if (o == null || getClass() != o.getClass())
            return false;

        CommentNodeView that = (CommentNodeView) o;

        if (comment != null ? !comment.equals(that.comment) : that.comment != null)
            return false;
        if (competingInterestStatement != null ? !competingInterestStatement.equals(that.competingInterestStatement)
                : that.competingInterestStatement != null)
            return false;
        return parentArticle != null ? parentArticle.equals(that.parentArticle) : that.parentArticle == null;

    }

    @Override
    public int hashCode() {
        int result = comment != null ? comment.hashCode() : 0;
        result = 31 * result + (competingInterestStatement != null ? competingInterestStatement.hashCode() : 0);
        result = 31 * result + (parentArticle != null ? parentArticle.hashCode() : 0);
        return result;
    }
}