Examples of edu.uga.galileo.voci.db.QueryParser

edu.uga.galileo.voci.db.QueryParser
A business object used with the executeQuery and executeInsertOrUpdate methods in the ConnectionPoolFactory. The parser is initialized with information on column name and type for data to be retieved from the ResultSet, or, if excluded, it will try to build the element info itself from ResultSet metadata. If necessary, one must also provide definitions for populating the PreparedStatement. The object can then be used to retrieve results by column name as String, int, Date, or boolean types.

The QueryParser can optionally accept a Connection object that will be used by the {@link edu.uga.galileo.voci.db.ConnectionPool} instead of using the pool'sdefault connection handling. This is useful for instances where manipulation of the connection is required prior to making database calls. For example, to allow rollback during failure at any point in a series of database calls, a connection could be retrieved, have its autoCommit set to false, and the query parser could be re-used for repeated calls until the transaction's complete. At that point, getting the connection from the parser and committing is possible, and the connection could then be returned by calling code to the pool. @author Mark Durant @version 1.0

    sql.append("   and content_type=? ");
    sql.append("   and content_id=?) ");
    sql.append("and a.content_id=? ");
    sql.append("and a.user_id=u.user_id ");


    QueryParser qp = new QueryParser(sql.toString());
    if (contentType != ContentType.USER) {
      qp.addPreparedStmtElementDefinition(projectId);
    }
    qp.addPreparedStmtElementDefinition(contentType.getValue());
    qp.addPreparedStmtElementDefinition(contentId);
    qp.addPreparedStmtElementDefinition(contentId);


    try {
      Configuration.getConnectionPool().executeQuery(qp);
      if (qp.getResultCount() != 1) {
        return null;
      } else {
        try {
          return qp.getResult(Timestamp.class, "update_date")
              .toString()
              + "|" + qp.getResult(String.class, "user_name");
        } catch (DataTypeMismatchException e) {
          Logger.error("Code problem.", e);
        }
      }
    } catch (SQLException e) {

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    StringBuffer sql = new StringBuffer();
    sql.append(" select * ");
    sql.append(" from users ");
    sql.append(" where upper(user_name)=upper(?) ");


    QueryParser qp = new QueryParser(sql.toString());
    qp.addPreparedStmtElementDefinition(userName);


    try {
      Configuration.getConnectionPool().executeQuery(qp);
      if (qp.getResultCount() > 0) {
        user = createObjectFromQueryParser(User.class, qp);
      } else {
        user = null;
        // throw new NoSuchUserException("The requested user name ("
        // + userName + ") doesn't exist.");

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    StringBuffer sql = new StringBuffer();
    sql.append(" select * ");
    sql.append(" from users ");
    sql.append(" where user_id=? ");


    QueryParser qp = new QueryParser(sql.toString());
    qp.addPreparedStmtElementDefinition(userId);


    try {
      Configuration.getConnectionPool().executeQuery(qp);
      if (qp.getResultCount() > 0) {
        user = createObjectFromQueryParser(User.class, qp);
      } else {
        throw new NoSuchUserException("The requested userId (" + userId
            + ") doesn't exist.");
      }

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  public ArrayList<User> getUserList() throws NoSuchUserException {
    StringBuffer sql = new StringBuffer();
    sql
        .append("select * from users order by last_name, first_name, user_name");


    QueryParser qp = new QueryParser(sql.toString());


    try {
      Configuration.getConnectionPool().executeQuery(qp);
      if (qp.getResultCount() == 0) {
        return null;
      }


      return createObjectsFromQueryParser(User.class, qp);
    } catch (SQLException e1) {

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    sql.append(" (user_name, pwd, email, first_name, last_name, ");
    sql.append(" phone, notes, active) ");
    sql.append(" values ");
    sql.append(" (?, ?, ?, ?, ?, ?, ?, ?) ");


    QueryParser qp = new QueryParser(sql.toString());
    qp.addPreparedStmtElementDefinition(user.getUserName());
    qp.addPreparedStmtElementDefinition(user.getPwd());
    qp.addPreparedStmtElementDefinition(user.getEmail());
    qp.addPreparedStmtElementDefinition(user.getFirstName());
    qp.addPreparedStmtElementDefinition(user.getLastName());
    qp.addPreparedStmtElementDefinition(user.getPhone());
    qp.addPreparedStmtElementDefinition(user.getNotes());
    qp.addPreparedStmtElementDefinition(QueryParserElement.BOOLEAN, user
        .isActive());


    try {
      Configuration.getConnectionPool().executeInsertOrUpdate(qp);
    } catch (SQLException e) {

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    sql.append(" update users ");
    sql
        .append(" set user_name=?, pwd=?, email=?, first_name=?, last_name=?, ");
    sql.append(" phone=?, notes=?, active=? where user_id=? ");


    QueryParser qp = new QueryParser(sql.toString());
    qp.addPreparedStmtElementDefinition(user.getUserName());
    qp.addPreparedStmtElementDefinition(user.getPwd());
    qp.addPreparedStmtElementDefinition(user.getEmail());
    qp.addPreparedStmtElementDefinition(user.getFirstName());
    qp.addPreparedStmtElementDefinition(user.getLastName());
    qp.addPreparedStmtElementDefinition(user.getPhone());
    qp.addPreparedStmtElementDefinition(user.getNotes());
    qp.addPreparedStmtElementDefinition(QueryParserElement.BOOLEAN, user
        .isActive());
    qp.addPreparedStmtElementDefinition(user.getUserId());


    try {
      Configuration.getConnectionPool().executeInsertOrUpdate(qp);
    } catch (SQLException e) {
      Logger.error("User record couldn't be updated", e);

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    sql.append("and u.user_id=m.user_id ");
    sql.append("and r.role_id=m.role_id ");
    sql.append("and r.name='sysadmin' ");
    sql.append("and r.manager=true ");


    QueryParser qp = new QueryParser(sql.toString());
    qp.addPreparedStmtElementDefinition(INT, user.getUserId());
    try {
      Configuration.getConnectionPool().executeQuery(qp);
    } catch (SQLException e1) {
      Logger.fatal("Couldn't execute query", e1);
      return false;
    }


    int theCount = 0;
    try {
      theCount = qp.getResult(Integer.class, "theCount").intValue();
    } catch (DataTypeMismatchException e) {
      Logger.error("This shouldn't happen.", e);
    }


    Logger.debug(user.getUserName() + " is " + (theCount == 0 ? "NOT" : "")

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    sql.append("and r.manager=true ");
    sql.append("and r.role_id=r2p.role_id ");
    sql.append("and r2p.project_id=p.project_id ");
    sql.append("and p.handle=? ");


    QueryParser qp = new QueryParser(sql.toString());
    qp.addPreparedStmtElementDefinition(INT, user.getUserId());
    qp.addPreparedStmtElementDefinition(project);
    try {
      Configuration.getConnectionPool().executeQuery(qp);
    } catch (SQLException e1) {
      Logger.fatal("Couldn't execute query", e1);
      return false;
    }


    int theCount = 0;
    try {
      theCount = qp.getResult(Integer.class, "theCount").intValue();
    } catch (DataTypeMismatchException e) {
      Logger.error("This shouldn't happen.", e);
    }


    Logger.debug(user.getUserName() + " belongs to " + theCount

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    sql.append("and r.manager=true ");
    sql.append("and r.role_id=r2p.role_id ");
    sql.append("and r2p.project_id=p.project_id ");
    sql.append("and p.handle=? ");


    QueryParser qp = new QueryParser(sql.toString());
    qp.addPreparedStmtElementDefinition(INT, user.getUserId());
    qp.addPreparedStmtElementDefinition(project);


    try {
      Configuration.getConnectionPool().executeQuery(qp);
    } catch (SQLException e1) {
      Logger.fatal("Couldn't execute query", e1);
      return new ArrayList<String>();
    }


    Logger.debug("getUserAdminRoles size: " + qp.getResultCount());


    ArrayList<String> results = null;
    try {
      results = qp.getResults(String.class, "name");
    } catch (DataTypeMismatchException e) {
      Logger.error("Your code's not requesting the right datatype.", e);
    }


    if (results == null) {

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    sql.append("last_name, phone, notes, active ");
    sql.append("from users ");
    sql.append("where user_name=? ");
    sql.append("and pwd=? ");


    QueryParser qp = new QueryParser(sql.toString());
    qp.addPreparedStmtElementDefinition(STRING, username);
    try {
      qp.addPreparedStmtElementDefinition(Encrypt.encrypt(Configuration
          .getString("keyfile"), password));
    } catch (Exception e) {
      throw new PasswordFailureException(
          "Couldn't encrypt password (this could be a database problem): "
              + e.toString());
    }


    try {
      Configuration.getConnectionPool().executeQuery(qp);
    } catch (SQLException e1) {
      Logger.fatal("Couldn't execute query", e1);
      return null;
    }


    if (qp.getResultCount() == 0) {
      qp.clearForNewSQL();
      sql = null;
      sql = new StringBuffer();
      sql.append("select count(*) as theCount ");
      sql.append("from users ");
      sql.append("where user_name=? ");
      qp = new QueryParser(sql.toString());
      qp.addPreparedStmtElementDefinition(username);


      try {
        Configuration.getConnectionPool().executeQuery(qp);
      } catch (SQLException e1) {
        Logger.error("Couldn't execute query", e1);
      }


      try {
        if (qp.getResult(Integer.class, "theCount").intValue() == 0) {
          throw new NoSuchUserException("User '" + username
              + "' doesn't exist");
        } else {
          throw new PasswordFailureException(
              "Password doesn't match database.");

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