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This library provides a Java object model to read, aggregate, filter, and query static analysis reports. It is used by Jenkins' warnings next generation plug-in to visualize the warnings of individual builds. Additionally, this library is used by a GitHub action to autograde student software projects based on a given set of metrics (unit tests, code and mutation coverage, static analysis warnings).

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package edu.hm.hafner.analysis.parser;

import java.util.Optional;
import java.util.regex.Matcher;

import org.apache.commons.lang3.StringUtils;

import edu.hm.hafner.analysis.Issue;
import edu.hm.hafner.analysis.IssueBuilder;
import edu.hm.hafner.analysis.LookaheadParser;
import edu.hm.hafner.analysis.Severity;
import edu.hm.hafner.util.LookaheadStream;

/**
 * A parser for the CodeAnalysis compiler warnings.
 *
 * @author Rafal Jasica
 */
public class CodeAnalysisParser extends LookaheadParser {
    private static final long serialVersionUID = -125874563249851L;

    private static final String WARNING_PATTERN = ANT_TASK + "((MSBUILD)|((.+)\\((\\d+)\\)))"
            + "\\s*:\\s*[Ww]arning\\s*:?\\s*(\\w*)\\s*:\\s*(Microsoft\\.|)"
            + "(\\w*(\\.\\w*)*)\\s*:\\s*(.*)\\[(.*)"
            + "\\]\\s*$";

    /**
     * Creates a new instance of {@link CodeAnalysisParser}.
     */
    public CodeAnalysisParser() {
        super(WARNING_PATTERN);
    }

    @Override
    protected Optional createIssue(final Matcher matcher, final LookaheadStream lookahead,
            final IssueBuilder builder) {
        if (StringUtils.isNotBlank(matcher.group(2))) {
            return builder.setFileName(matcher.group(11))
                    .setLineStart(0)
                    .setCategory(matcher.group(8))
                    .setType(matcher.group(6))
                    .setMessage(matcher.group(10))
                    .setSeverity(Severity.WARNING_NORMAL)
                    .buildOptional();
        }
        else {
            return builder.setFileName(matcher.group(4))
                    .setLineStart(matcher.group(5))
                    .setCategory(matcher.group(8))
                    .setType(matcher.group(6))
                    .setMessage(matcher.group(10))
                    .setSeverity(Severity.WARNING_NORMAL)
                    .buildOptional();
        }
    }
}