com.cognifide.aet.job.common.comparators.w3chtml5.parser.W3cHtml5IssueDeserializer.java Source code

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Here is the source code for com.cognifide.aet.job.common.comparators.w3chtml5.parser.W3cHtml5IssueDeserializer.java

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/**
 * 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.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.cognifide.aet.job.common.comparators.w3chtml5.W3cHtml5Issue;
import com.cognifide.aet.job.common.comparators.w3chtml5.W3cHtml5IssueType;

import org.apache.commons.lang3.StringEscapeUtils;
import org.apache.commons.lang3.StringUtils;

import java.lang.reflect.Type;

public class W3cHtml5IssueDeserializer implements JsonDeserializer<W3cHtml5Issue> {

    private static final String TYPE = "type";
    private static final String SUBTYPE = "subType";
    private static final String MESSAGE = "message";
    private static final String EXTRACT = "extract";
    private static final String LAST_LINE = "lastLine";
    private static final String LAST_COLUMN = "lastColumn";
    private static final String HILITE_START = "hiliteStart";
    private static final String HILITE_LENGTH = "hiliteLength";

    @Override
    public W3cHtml5Issue deserialize(JsonElement json, Type typeOfT,
            JsonDeserializationContext jsonDeserializationContext) {

        JsonObject jo = json.getAsJsonObject();

        String type = getAsString(jo, TYPE);
        String subtype = getAsString(jo, SUBTYPE);
        String message = getAsString(jo, MESSAGE);
        String extract = getAsString(jo, EXTRACT);

        int lastLine = getAsInt(jo, LAST_LINE);
        int lastColumn = getAsInt(jo, LAST_COLUMN);
        int hiliteStart = getAsInt(jo, HILITE_START);
        int hiliteLength = getAsInt(jo, HILITE_LENGTH);

        String beforeHilite = StringUtils.substring(extract, 0, hiliteStart);
        String hilite = StringUtils.substring(extract, hiliteStart, hiliteStart + hiliteLength);
        String afterHilite = StringUtils.substring(extract, hiliteStart + hiliteLength);

        // problem with left and right double quotation mark not being displayed correctly
        message = StringUtils.replaceEach(message, new String[] { "\u00E2\u20AC\u015B", "\u00E2\u20AC" + "\u0165" },
                new String[] { "", "" });
        // messages often contain HTML entities, escaping them, so they are displayed literally
        message = StringEscapeUtils.escapeHtml4(message);

        return new W3cHtml5Issue(lastLine, lastColumn, message, beforeHilite, afterHilite, hilite, null,
                W3cHtml5IssueType.getType(type, subtype));
    }

    private int getAsInt(JsonObject jsonObject, String key) {
        JsonElement element = jsonObject.get(key);
        if (element != null) {
            return element.getAsInt();
        }
        return 0;
    }

    private String getAsString(JsonObject jsonObject, String key) {
        JsonElement element = jsonObject.get(key);
        if (element != null) {
            return element.getAsString();
        }
        return null;
    }
}