org.sonar.batch.bootstrap.PreviewDatabase.java Source code

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Here is the source code for org.sonar.batch.bootstrap.PreviewDatabase.java

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/*
 * SonarQube, open source software quality management tool.
 * Copyright (C) 2008-2014 SonarSource
 * mailto:contact AT sonarsource DOT com
 *
 * SonarQube 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.
 *
 * SonarQube 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  02110-1301, USA.
 */
package org.sonar.batch.bootstrap;

import com.google.common.base.Throwables;
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.sonar.api.BatchComponent;
import org.sonar.api.CoreProperties;
import org.sonar.api.config.Settings;
import org.sonar.api.database.DatabaseProperties;
import org.sonar.api.utils.HttpDownloader.HttpException;
import org.sonar.api.utils.SonarException;
import org.sonar.api.utils.TempFolder;

import java.io.File;
import java.net.SocketTimeoutException;

/**
 * @since 3.4
 */
public class PreviewDatabase implements BatchComponent {
    private static final Logger LOG = LoggerFactory.getLogger(PreviewDatabase.class);

    private static final String DIALECT = "h2";
    private static final String DRIVER = "org.h2.Driver";
    private static final String URL = "jdbc:h2:";
    private static final String USER = "sonar";
    private static final String PASSWORD = USER;

    private final Settings settings;
    private final ServerClient server;
    private final TempFolder tempUtils;
    private final AnalysisMode mode;

    public PreviewDatabase(Settings settings, ServerClient server, TempFolder tempUtils, AnalysisMode mode) {
        this.settings = settings;
        this.server = server;
        this.tempUtils = tempUtils;
        this.mode = mode;
    }

    public void start() {
        if (mode.isPreview()) {
            File databaseFile = tempUtils.newFile("preview", ".h2.db");

            int readTimeoutSec = mode.getPreviewReadTimeoutSec();
            downloadDatabase(databaseFile, readTimeoutSec * 1000);

            String databasePath = StringUtils.removeEnd(databaseFile.getAbsolutePath(), ".h2.db");
            replaceSettings(databasePath);
        }
    }

    private void downloadDatabase(File toFile, int readTimeoutMillis) {
        String projectKey = null;
        try {
            projectKey = settings.getString(CoreProperties.PROJECT_KEY_PROPERTY);
            String branch = settings.getString(CoreProperties.PROJECT_BRANCH_PROPERTY);
            if (StringUtils.isNotBlank(branch)) {
                projectKey = String.format("%s:%s", projectKey, branch);
            }
            if (StringUtils.isBlank(projectKey)) {
                server.download("/batch_bootstrap/db", toFile, readTimeoutMillis);
            } else {
                server.download("/batch_bootstrap/db?project=" + projectKey, toFile, readTimeoutMillis);
            }
            LOG.debug("Dry Run database size: {}", FileUtils.byteCountToDisplaySize(FileUtils.sizeOf(toFile)));
        } catch (SonarException e) {
            handleException(readTimeoutMillis, projectKey, e);
            throw e;
        }
    }

    private void handleException(int readTimeout, String projectKey, SonarException e) {
        Throwable rootCause = Throwables.getRootCause(e);
        if (rootCause instanceof SocketTimeoutException) {
            // Pico will unwrap the first runtime exception
            throw new SonarException(new SonarException(String.format(
                    "Preview database read timed out after %s ms. You can try to increase read timeout with property -D"
                            + CoreProperties.PREVIEW_READ_TIMEOUT_SEC + " (in seconds)",
                    readTimeout), e));
        }
        if (projectKey != null && (rootCause instanceof HttpException)
                && (((HttpException) rootCause).getResponseCode() == 401)) {
            // Pico will unwrap the first runtime exception
            throw new SonarException(new SonarException(
                    String.format("You don't have access rights to project [%s]", projectKey), e));
        }
    }

    private void replaceSettings(String databasePath) {
        settings.setProperty(DatabaseProperties.PROP_DIALECT, DIALECT)
                .setProperty(DatabaseProperties.PROP_DRIVER, DRIVER).setProperty(DatabaseProperties.PROP_USER, USER)
                .setProperty(DatabaseProperties.PROP_PASSWORD, PASSWORD)
                .setProperty(DatabaseProperties.PROP_URL, URL + databasePath);
    }
}