org.sonar.core.source.db.FileSourceDao.java Source code

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Here is the source code for org.sonar.core.source.db.FileSourceDao.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.core.source.db;

import com.google.common.base.Function;
import org.apache.commons.dbutils.DbUtils;
import org.apache.commons.io.IOUtils;
import org.sonar.api.BatchComponent;
import org.sonar.api.ServerComponent;
import org.sonar.core.persistence.DaoComponent;
import org.sonar.core.persistence.DbSession;
import org.sonar.core.persistence.MyBatis;

import javax.annotation.CheckForNull;

import java.io.InputStream;
import java.io.Reader;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

public class FileSourceDao implements BatchComponent, ServerComponent, DaoComponent {

    private final MyBatis mybatis;

    public FileSourceDao(MyBatis myBatis) {
        this.mybatis = myBatis;
    }

    @CheckForNull
    public FileSourceDto select(String fileUuid) {
        DbSession session = mybatis.openSession(false);
        try {
            FileSourceMapper mapper = session.getMapper(FileSourceMapper.class);
            return mapper.select(fileUuid);
        } finally {
            MyBatis.closeQuietly(session);
        }
    }

    public <T> void readDataStream(String fileUuid, Function<InputStream, T> function) {
        DbSession dbSession = mybatis.openSession(false);
        Connection connection = dbSession.getConnection();
        PreparedStatement pstmt = null;
        ResultSet rs = null;
        InputStream input = null;
        try {
            pstmt = connection.prepareStatement("SELECT binary_data FROM file_sources WHERE file_uuid=?");
            pstmt.setString(1, fileUuid);
            rs = pstmt.executeQuery();
            if (rs.next()) {
                input = rs.getBinaryStream(1);
                function.apply(input);
            }
        } catch (SQLException e) {
            throw new IllegalStateException("Fail to read FILE_SOURCES.BINARY_DATA of file " + fileUuid, e);
        } finally {
            IOUtils.closeQuietly(input);
            DbUtils.closeQuietly(connection, pstmt, rs);
            MyBatis.closeQuietly(dbSession);
        }
    }

    public <T> void readLineHashesStream(DbSession dbSession, String fileUuid, Function<Reader, T> function) {
        Connection connection = dbSession.getConnection();
        PreparedStatement pstmt = null;
        ResultSet rs = null;
        Reader reader = null;
        try {
            pstmt = connection.prepareStatement("SELECT line_hashes FROM file_sources WHERE file_uuid=?");
            pstmt.setString(1, fileUuid);
            rs = pstmt.executeQuery();
            if (rs.next()) {
                reader = rs.getCharacterStream(1);
                function.apply(reader);
            }
        } catch (SQLException e) {
            throw new IllegalStateException("Fail to read FILE_SOURCES.LINE_HASHES of file " + fileUuid, e);
        } finally {
            IOUtils.closeQuietly(reader);
            DbUtils.closeQuietly(connection, pstmt, rs);
        }
    }

    public void insert(FileSourceDto dto) {
        DbSession session = mybatis.openSession(false);
        try {
            session.getMapper(FileSourceMapper.class).insert(dto);
            session.commit();
        } finally {
            MyBatis.closeQuietly(session);
        }
    }

    public void update(FileSourceDto dto) {
        DbSession session = mybatis.openSession(false);
        try {
            session.getMapper(FileSourceMapper.class).update(dto);
            session.commit();
        } finally {
            MyBatis.closeQuietly(session);
        }
    }

}