JdbcPagingItemReader constructor injection of JdbcTemplate instance

[ustefan]

Provide a new JdbcPagingItemReader constructor for JdbcTemplate instance injection. That would be useful to intercept JdbcOperations calls through AOP.

Current implementation:

    @Override
	public void afterPropertiesSet() throws Exception {
		super.afterPropertiesSet();
		JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource);
		if (fetchSize != VALUE_NOT_SET) {
			jdbcTemplate.setFetchSize(fetchSize);
		}
		jdbcTemplate.setMaxRows(getPageSize());
		namedParameterJdbcTemplate = new NamedParameterJdbcTemplate(jdbcTemplate);
		queryProvider.init(dataSource);
		this.firstPageSql = queryProvider.generateFirstPageQuery(getPageSize());
		this.remainingPagesSql = queryProvider.generateRemainingPagesQuery(getPageSize());
	}

[nippyclouding]

Hi, I'd like to work on this issue. Would it be okay for me to take it?