com.cognifide.aet.job.common.comparators.w3chtml5.parser.W3cHtml5ValidationResultParser.java Source code

Introduction

Here is the source code for com.cognifide.aet.job.common.comparators.w3chtml5.parser.W3cHtml5ValidationResultParser.java

Source

/**
 * Automated Exploratory Tests
 *
 * Copyright (C) 2013 Cognifide Limited
 *
 * 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 com.cognifide.aet.job.common.comparators.w3chtml5.parser;

import com.google.common.base.Predicate;
import com.google.common.collect.Iterables;
import com.google.common.reflect.TypeToken;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonArray;
import com.google.gson.JsonParser;
import com.cognifide.aet.job.common.comparators.w3chtml5.W3cHtml5ComparatorResult;
import com.cognifide.aet.job.common.comparators.w3chtml5.W3cHtml5Issue;
import com.cognifide.aet.job.common.comparators.w3chtml5.W3cHtml5IssueType;

import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;

public class W3cHtml5ValidationResultParser {

    public W3cHtml5ComparatorResult parse(String json) {

        Gson gson = new GsonBuilder().registerTypeAdapter(W3cHtml5Issue.class, new W3cHtml5IssueDeserializer())
                .create();

        JsonArray messages = new JsonParser().parse(json).getAsJsonObject().getAsJsonArray("messages");
        Type list = new TypeToken<List<W3cHtml5Issue>>() {
        }.getType();
        List<W3cHtml5Issue> issues = gson.fromJson(messages, list);

        IssuesUtils utils = new IssuesUtils(issues).invoke();
        int errorCount = utils.getErrorCount();
        int warningCount = utils.getWarningCount();

        return new W3cHtml5ComparatorResult(errorCount, warningCount, issues, new ArrayList<W3cHtml5Issue>());
    }

    private static final class IssuesUtils {

        private List<W3cHtml5Issue> issues;

        private int errorCount;

        private int warningCount;

        private IssuesUtils(List<W3cHtml5Issue> issues) {
            this.issues = issues;
        }

        private int getErrorCount() {
            return errorCount;
        }

        private int getWarningCount() {
            return warningCount;
        }

        private IssuesUtils invoke() {
            errorCount = Iterables.size(Iterables.filter(issues, new IssueTypePredicate(W3cHtml5IssueType.ERR)));
            warningCount = Iterables.size(Iterables.filter(issues, new IssueTypePredicate(W3cHtml5IssueType.WARN)));

            Collections.sort(issues, new Comparator<W3cHtml5Issue>() {
                @Override
                public int compare(W3cHtml5Issue i1, W3cHtml5Issue i2) {
                    return i1.getIssueType().compareTo(i2.getIssueType());
                }
            });
            return this;
        }
    }

    private static final class IssueTypePredicate implements Predicate<W3cHtml5Issue> {

        private final W3cHtml5IssueType issueType;

        private IssueTypePredicate(W3cHtml5IssueType issueType) {
            this.issueType = issueType;
        }

        @Override
        public boolean apply(W3cHtml5Issue issue) {
            return issueType == issue.getIssueType();
        }
    }
}