org.sonar.plugins.cxx.cppcheck.CppcheckParserV2.java Source code

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Here is the source code for org.sonar.plugins.cxx.cppcheck.CppcheckParserV2.java

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/*
 * Sonar C++ Plugin (Community)
 * Copyright (C) 2010 Neticoa SAS France
 * dev@sonar.codehaus.org
 *
 * 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 3 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
 */
package org.sonar.plugins.cxx.cppcheck;

import java.io.File;
import javax.xml.stream.XMLStreamException;
import org.apache.commons.lang.StringUtils;
import org.codehaus.staxmate.in.SMHierarchicCursor;
import org.codehaus.staxmate.in.SMInputCursor;
import org.sonar.api.batch.SensorContext;
import org.sonar.api.resources.Project;
import org.sonar.api.utils.StaxParser;
import org.sonar.plugins.cxx.utils.CxxUtils;
import org.sonar.plugins.cxx.utils.EmptyReportException;

/**
 * {@inheritDoc}
 */
public class CppcheckParserV2 implements CppcheckParser {

    private CxxCppCheckSensor sensor;
    private boolean parsed = false;

    public CppcheckParserV2(CxxCppCheckSensor sensor) {
        this.sensor = sensor;
    }

    /**
     * {@inheritDoc}
     */
    public void processReport(final Project project, final SensorContext context, File report)
            throws javax.xml.stream.XMLStreamException {
        CxxUtils.LOG.info("cppcheck V2 - Parsing report '{}'", report);

        StaxParser parser = new StaxParser(new StaxParser.XmlStreamHandler() {
            /**
             * {@inheritDoc}
             */
            public void stream(SMHierarchicCursor rootCursor) throws XMLStreamException {
                parsed = true;

                try {
                    rootCursor.advance();
                } catch (com.ctc.wstx.exc.WstxEOFException eofExc) {
                    throw new EmptyReportException();
                }

                try {
                    String version = rootCursor.getAttrValue("version");
                    if (version.equals("2")) {
                        SMInputCursor errorsCursor = rootCursor.childElementCursor("errors");
                        if (errorsCursor.getNext() != null) {
                            int countIssues = 0;
                            SMInputCursor errorCursor = errorsCursor.childElementCursor("error");
                            while (errorCursor.getNext() != null) {
                                String id = errorCursor.getAttrValue("id");
                                String msg = errorCursor.getAttrValue("msg");
                                String file = null;
                                String line = null;

                                SMInputCursor locationCursor = errorCursor.childElementCursor("location");
                                if (locationCursor.getNext() != null) {
                                    file = locationCursor.getAttrValue("file");
                                    line = locationCursor.getAttrValue("line");
                                }

                                if (isInputValid(file, line, id, msg)) {
                                    if (sensor.saveUniqueViolation(project, context, CxxCppCheckRuleRepository.KEY,
                                            file, line, id, msg)) {
                                        countIssues++;
                                    }
                                } else {
                                    CxxUtils.LOG.warn("Skipping invalid violation: '{}'", msg);
                                }
                            }

                            CxxUtils.LOG.info("CppCheck issues processed = " + countIssues);
                        }
                    }
                } catch (RuntimeException e) {
                    parsed = false;
                    throw new XMLStreamException();
                }
            }

            private boolean isInputValid(String file, String line, String id, String msg) {
                return !StringUtils.isEmpty(id) && !StringUtils.isEmpty(msg);
            }
        });

        parser.parse(report);
    }

    public boolean hasParsed() {
        return parsed;
    }

    @Override
    public String toString() {
        return getClass().getSimpleName();
    }
}