Examples of org.springframework.jdbc.core.JdbcTemplate

org.springframework.jdbc.core.JdbcTemplate
This is the central class in the JDBC core package. It simplifies the use of JDBC and helps to avoid common errors. It executes core JDBC workflow, leaving application code to provide SQL and extract results. This class executes SQL queries or updates, initiating iteration over ResultSets and catching JDBC exceptions and translating them to the generic, more informative exception hierarchy defined in the org.springframework.dao package.
Code using this class need only implement callback interfaces, giving them a clearly defined contract. The {@link PreparedStatementCreator} callbackinterface creates a prepared statement given a Connection, providing SQL and any necessary parameters. The {@link ResultSetExtractor} interface extractsvalues from a ResultSet. See also {@link PreparedStatementSetter} and{@link RowMapper} for two popular alternative callback interfaces.
Can be used within a service implementation via direct instantiation with a DataSource reference, or get prepared in an application context and given to services as bean reference. Note: The DataSource should always be configured as a bean in the application context, in the first case given to the service directly, in the second case to the prepared template.
Because this class is parameterizable by the callback interfaces and the {@link org.springframework.jdbc.support.SQLExceptionTranslator}interface, there should be no need to subclass it.
All SQL operations performed by this class are logged at debug level, using "org.springframework.jdbc.core.JdbcTemplate" as log category. @author Rod Johnson @author Juergen Hoeller @author Thomas Risberg @since May 3, 2001 @see PreparedStatementCreator @see PreparedStatementSetter @see CallableStatementCreator @see PreparedStatementCallback @see CallableStatementCallback @see ResultSetExtractor @see RowCallbackHandler @see RowMapper @see org.springframework.jdbc.support.SQLExceptionTranslator

    }


    protected void createIndexes() {
        LOG.debug("Creating indexes");


        JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource);


        for (String idx : indexes.stringPropertyNames()) {
            LOG.debug("Creating index {}", indexes.get(idx).toString());


            try {
                jdbcTemplate.execute(indexes.get(idx).toString());
            } catch (DataAccessException e) {
                LOG.error("Could not create index ", e);
            }
        }

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    }


    protected void createViews() {
        LOG.debug("Creating views");


        JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource);


        for (String idx : views.stringPropertyNames()) {
            LOG.debug("Creating view {}", views.get(idx).toString());


            try {
                jdbcTemplate.execute(views.get(idx).toString().replaceAll("\\n", " "));
            } catch (DataAccessException e) {
                LOG.error("Could not create view ", e);
            }
        }

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    @Autowired
    private UserRequestDAO userRequestDAO;


    private void upgradeActiviti() {
        JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource);


        List<Map<String, Object>> byteArrays =
                jdbcTemplate.queryForList("SELECT ID_, BYTES_ FROM ACT_GE_BYTEARRAY");
        for (Map<String, Object> row : byteArrays) {
            byte[] updated = new String((byte[]) row.get("BYTES_")).replaceAll(
                    "org\\.apache.syncope\\.core\\.workflow\\.activiti\\.",
                    "org.apache.syncope.core.workflow.user.activiti.task.").
                    replaceAll("org\\.apache\\.syncope\\.client\\.to\\.",
                    "org.apache.syncope.common.to").
                    replaceAll("org\\.apache\\.syncope\\.types\\.",
                    "org.apache.syncope.common.types").
                    replaceAll("org/apache/syncope/types/",
                    "org/apache/syncope/common/types/").
                    getBytes();
            jdbcTemplate.update("UPDATE ACT_GE_BYTEARRAY SET BYTES_=? WHERE ID_=?",
                    new Object[] {updated, row.get("ID_")});
        }
    }

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            }
        }
    }


    private void upgradeReportletConf() {
        JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource);


        List<Map<String, Object>> rcInstances =
                jdbcTemplate.queryForList("SELECT id, serializedInstance FROM ReportletConfInstance");
        for (Map<String, Object> row : rcInstances) {
            String updated = ((String) row.get("serializedInstance")).
                    replaceAll("org\\.apache\\.syncope\\.client\\.report\\.",
                    "org.apache.syncope.common.report.");
            jdbcTemplate.update("UPDATE ReportletConfInstance SET serializedInstance=? WHERE id=?",
                    new Object[] {updated, row.get("id")});
        }
    }

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    /**
     * {@inheritDoc}
     */
    public String getUserPassword(Long userId) {
        JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource);
        Table table = AnnotationUtils.findAnnotation(User.class, Table.class);
        return jdbcTemplate.queryForObject(
                "select password from " + table.name() + " where id=?", String.class, userId);
    }

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    private String insertTokenSql = "insert into password_reset_token (username, token, expiration_time) values (?, ?, ?)";
    private String selectTokenSql = "select count(token) from password_reset_token where username=? and token=? and expiration_time > NOW()";


    @Autowired
    public void setDataSource(DataSource dataSource) {
        jdbcTemplate = new JdbcTemplate(dataSource);
    }

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    private String query = null;


    public DatabaseHealthIndicator(DataSource dataSource) {
        this.dataSource = dataSource;
        this.jdbcTemplate = new JdbcTemplate(dataSource);
    }

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        ds.setDriverClassName("com.mysql.jdbc.Driver");
        ds.setUrl("jdbc:mysql://localhost:3306/shiro");
        ds.setUsername("root");
        ds.setPassword("");


        return new JdbcTemplate(ds);
    }

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    protected JdbcTemplate jdbcTemplate;
    @Autowired
    private void setDataSource(DataSource ds) {
        jdbcTemplate = new JdbcTemplate(ds);    
    }

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        ds.setDriverClassName("com.mysql.jdbc.Driver");
        ds.setUrl("jdbc:mysql://localhost:3306/shiro");
        ds.setUsername("root");
        ds.setPassword("");


        return new JdbcTemplate(ds);
    }

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