Package ch.qos.logback.classic.db

Source Code of ch.qos.logback.classic.db.DBAppenderHSQLTestFixture

/**
* Logback: the reliable, generic, fast and flexible logging framework.
* Copyright (C) 1999-2013, QOS.ch. All rights reserved.
*
* This program and the accompanying materials are dual-licensed under
* either the terms of the Eclipse Public License v1.0 as published by
* the Eclipse Foundation
*
*   or (per the licensee's choosing)
*
* under the terms of the GNU Lesser General Public License version 2.1
* as published by the Free Software Foundation.
*/
package ch.qos.logback.classic.db;

import static org.junit.Assert.assertNotNull;

import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Properties;

import org.hsqldb.Server;
import org.hsqldb.ServerConstants;
import org.hsqldb.jdbcDriver;

public class DBAppenderHSQLTestFixture  {

  public static final String HSQLDB_DRIVER_CLASS = "org.hsqldb.jdbcDriver";
  // String serverProps;
  String url = null;
  String user = "sa";
  String password = "";
  Server server;

  // boolean isNetwork = true;
  HsqlMode mode = HsqlMode.MEM;

  public void setUp() throws SQLException {

    switch (mode) {
    case NET:
      url = "jdbc:hsqldb:hsql://localhost:4808/test";
      break;
    case MEM:
      url = "jdbc:hsqldb:mem:test;sql.enforce_strict_size=true";
      server = new Server();
      server.setDatabaseName(0, "test");
      server.setDatabasePath(0, url);
      server.setLogWriter(new PrintWriter(System.out));
      server.setErrWriter(new PrintWriter(System.out));
      server.setTrace(false);
      server.setSilent(false);
      server.start();

      break;
    case FILE:
      url = "jdbc:hsqldb:file:test;sql.enforce_strict_size=true";
      break;

    }

    // try {
    // Class.forName(DRIVER_CLASS);
    // } catch (Exception e) {
    // e.printStackTrace();
    // System.out.println(this + ".setUp() error: " + e.getMessage());
    // }
    // Thread.yield();
    System.out.println(server.getState());

    int waitCount = 0;
    while (server.getState() != ServerConstants.SERVER_STATE_ONLINE
        && waitCount < 5) {
      try {
        waitCount++;
        Thread.sleep(1);
      } catch (InterruptedException e) {
      }
    }
    createTables();
  }

  public void tearDown() throws SQLException {
    dropTables();

    if (mode == HsqlMode.MEM) {
      server.stop();
      server = null;
    }
  }

  Connection newConnection() throws SQLException {
    jdbcDriver driver = new jdbcDriver();
    Properties props = new Properties();
    props.setProperty("user", user);
    props.setProperty("password", password);
    return driver.connect(url, props);

    // return DriverManager.getConnection(url, user, password);
  }

  private void createTables() throws SQLException {
    Connection conn = newConnection();
    assertNotNull(conn);
    StringBuilder buf = new StringBuilder();
    buf.append("CREATE TABLE LOGGING_EVENT (");
    buf.append("TIMESTMP BIGINT NOT NULL,");
    buf.append("FORMATTED_MESSAGE LONGVARCHAR NOT NULL,");
    buf.append("LOGGER_NAME VARCHAR(256) NOT NULL,");
    buf.append("LEVEL_STRING VARCHAR(256) NOT NULL,");
    buf.append("THREAD_NAME VARCHAR(256),");
    buf.append("REFERENCE_FLAG SMALLINT,");
   
    buf.append("ARG0 VARCHAR(256),");
    buf.append("ARG1 VARCHAR(256),");
    buf.append("ARG2 VARCHAR(256),");
    buf.append("ARG3 VARCHAR(256),");
   
   
    buf.append("CALLER_FILENAME VARCHAR(256), ");
    buf.append("CALLER_CLASS VARCHAR(256), ");
    buf.append("CALLER_METHOD VARCHAR(256), ");
    buf.append("CALLER_LINE CHAR(4), ");
    buf.append("EVENT_ID BIGINT NOT NULL IDENTITY);");
    query(conn, buf.toString());

    buf = new StringBuilder();
    buf.append("CREATE TABLE LOGGING_EVENT_PROPERTY (");
    buf.append("EVENT_ID BIGINT NOT NULL,");
    buf.append("MAPPED_KEY  VARCHAR(254) NOT NULL,");
    buf.append("MAPPED_VALUE LONGVARCHAR,");
    buf.append("PRIMARY KEY(EVENT_ID, MAPPED_KEY),");
    buf.append("FOREIGN KEY (EVENT_ID) REFERENCES LOGGING_EVENT(EVENT_ID));");
    query(conn, buf.toString());

    buf = new StringBuilder();
    buf.append("CREATE TABLE LOGGING_EVENT_EXCEPTION (");
    buf.append("EVENT_ID BIGINT NOT NULL,");
    buf.append("I SMALLINT NOT NULL,");
    buf.append("TRACE_LINE VARCHAR(256) NOT NULL,");
    buf.append("PRIMARY KEY(EVENT_ID, I),");
    buf.append("FOREIGN KEY (EVENT_ID) REFERENCES LOGGING_EVENT(EVENT_ID));");
    query(conn, buf.toString());
  }

  private  void dropTables() throws SQLException {
    Connection conn = newConnection();
    StringBuilder buf = new StringBuilder();
    buf.append("DROP TABLE LOGGING_EVENT_EXCEPTION IF EXISTS;");
    query(conn, buf.toString());

    buf = new StringBuilder();
    buf.append("DROP TABLE LOGGING_EVENT_PROPERTY IF EXISTS;");
    query(conn, buf.toString());

    buf = new StringBuilder();
    buf.append("DROP TABLE LOGGING_EVENT IF EXISTS;");
    query(conn, buf.toString());
  }

  private  void query(Connection conn, String expression) throws SQLException {

    Statement st = null;
    st = conn.createStatement();
    int i = st.executeUpdate(expression);
    if (i == -1) {
      System.out.println("db error : " + expression);
    }
    st.close();
  }

  public enum HsqlMode {
    MEM, FILE, NET;
  }
}
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