/**
* Test should read succesfully.
*
* @throws Exception
*/
@Test
public void testSuccessfulReading() throws Exception {
// init linetokenizer
DelimitedLineTokenizer lineTokenizer = new DelimitedLineTokenizer();
lineTokenizer.setNames(new String[] {"id", "value"});
// init linemapper
DefaultLineMapper<FieldSet> lineMapper = new DefaultLineMapper<FieldSet>();
lineMapper.setLineTokenizer(lineTokenizer);
lineMapper.setFieldSetMapper(new PassThroughFieldSetMapper());
// init reader
reader.setLineMapper(lineMapper);
reader.setResource(new FileSystemResource(INPUT_FILE));
// open, provide "mock" ExecutionContext
reader.open(MetaDataInstanceFactory.createStepExecution().getExecutionContext());
// read
try {
int count = 0;
FieldSet line;
while ((line = reader.read()) != null) {
// really test for the fieldSet names and values
assertEquals("id", line.getNames()[0]);
assertEquals(String.valueOf(count), line.getValues()[0]);
assertEquals("value", line.getNames()[1]);
// csv contains entry like '0,foo0'
assertEquals("foo" + String.valueOf(count), line.getValues()[1]);
count++;
}
assertEquals(EXPECTED_COUNT, count);
} catch (Exception e) {
throw e;
} finally {
reader.close();
}
}
private LineMapper<Product> productLineMapper() {
DefaultLineMapper<Product> bean = new DefaultLineMapper<Product>();
DelimitedLineTokenizer tokenizer = new DelimitedLineTokenizer();
tokenizer.setDelimiter(DelimitedLineTokenizer.DELIMITER_COMMA);
tokenizer.setNames(new String[] {"productId", "store", "quantity", "description"});
bean.setLineTokenizer(tokenizer);
bean.setFieldSetMapper(new ProductFieldSetMapper());
bean.afterPropertiesSet();
return bean;
}
@Bean
public LineMapper<Partner> lineMapper() {
DefaultLineMapper<Partner> lineMapper = new DefaultLineMapper<Partner>();
DelimitedLineTokenizer lineTokenizer = new DelimitedLineTokenizer();
lineTokenizer.setNames(new String[] {"name", "email", "gender"});
lineTokenizer.setIncludedFields(new int[] {0, 2, 3});
BeanWrapperFieldSetMapper<Partner> fieldSetMapper = new BeanWrapperFieldSetMapper<Partner>();
fieldSetMapper.setTargetType(Partner.class);
lineMapper.setLineTokenizer(lineTokenizer);
lineMapper.setFieldSetMapper(fieldSetMapper);
return lineMapper;
}
@Bean
DefaultLineMapper<Contact> lineMapper() {
DelimitedLineTokenizer tokenizer = new DelimitedLineTokenizer();
tokenizer.setNames("fullName,email".split(","));
BeanWrapperFieldSetMapper<Contact> mapper = new BeanWrapperFieldSetMapper<>();
mapper.setTargetType(Contact.class);
DefaultLineMapper<Contact> defaultLineMapper = new DefaultLineMapper<>();
defaultLineMapper.setFieldSetMapper(mapper);
defaultLineMapper.setLineTokenizer(tokenizer);
return defaultLineMapper;
}
@Bean
public FlatFileItemReader<StockWithinDepot> reader(
final FieldSetMapper<StockWithinDepot> fieldSetMapper) {
final FlatFileItemReader<StockWithinDepot> reader = new FlatFileItemReader<StockWithinDepot>();
reader.setLinesToSkip(1);
reader.setResource(new ClassPathResource(STOCK_DATA_CSV));
final DefaultLineMapper<StockWithinDepot> defaultLineMapper = new DefaultLineMapper<>();
defaultLineMapper.setFieldSetMapper(fieldSetMapper);
final DelimitedLineTokenizer tokenizer =
new DelimitedLineTokenizer(PortfolioConstants.CSV_SEPERATOR);
tokenizer.setNames(NAMES);
defaultLineMapper.setLineTokenizer(tokenizer);
reader.setLineMapper(defaultLineMapper);
return reader;
}
/** Méthode permetant l'initialisation du lecteur */
public void init() {
// REMAQUE : Il est possible d'instancier le delegate par configuration XML
delegate = new FlatFileItemReader<FieldSet>();
// passage de la ressource au reader
delegate.setResource(resource);
// Création d'un line Mapper
DefaultLineMapper<FieldSet> defaultLineMapper = new DefaultLineMapper<FieldSet>();
// délimiter par défaut
defaultLineMapper.setLineTokenizer(new DelimitedLineTokenizer());
// fieldMapper par défaut
defaultLineMapper.setFieldSetMapper(new PassThroughFieldSetMapper());
// Ajout du line mapper
delegate.setLineMapper(defaultLineMapper);
}
