List of usage examples for org.springframework.batch.item.file FlatFileItemReader afterPropertiesSet
@Override public void afterPropertiesSet() throws Exception
From source file:io.spring.batch.configuration.BatchConfiguration.java
@Bean @StepScope//from w ww . j a va2s . c o m protected FlatFileItemReader<Customer> reader(@Value("#{jobParameters['fileName']}") Resource fileName) throws Exception { DefaultLineMapper<Customer> defaultLineMapper = new DefaultLineMapper<>(); defaultLineMapper.setLineTokenizer(new DelimitedLineTokenizer()); defaultLineMapper.setFieldSetMapper(new FieldSetMapper<Customer>() { @Override public Customer mapFieldSet(FieldSet fieldSet) throws BindException { Customer cust = new Customer(); cust.setCustomerName(fieldSet.readString(0)); cust.setQty(fieldSet.readInt(1)); return cust; } }); defaultLineMapper.afterPropertiesSet(); FlatFileItemReader<Customer> reader = new FlatFileItemReader<>(); reader.setLineMapper(defaultLineMapper); reader.setResource(fileName); reader.afterPropertiesSet(); return reader; }
From source file:com.acmemotors.batch.LoaderJobConfiguration.java
@Bean @StepScope//w w w .java2 s .co m public FlatFileItemReader<Map<String, Object>> reader(@Value("#{jobParameters['inputFile']}") String fileName) throws Exception { DefaultLineMapper<Map<String, Object>> mapper = new DefaultLineMapper<>(); mapper.setLineTokenizer(jsonLineTokenzier()); mapper.setFieldSetMapper(new FieldSetMapper<Map<String, Object>>() { private UUID journeyId = UUID.randomUUID(); private Double readDouble(String value) { if (StringUtils.hasText(value)) { return Double.valueOf(value); } else { return null; } } private Integer readInteger(String value) { if (StringUtils.hasText(value)) { return Integer.valueOf(value); } else { return null; } } @Override public Map<String, Object> mapFieldSet(FieldSet fieldSet) throws BindException { Map<String, Object> map = new HashMap<>(); map.put(VIN.getHerbieField(), fieldSet.readString(VIN.getHerbieField())); map.put(LONGITUDE.getHerbieField(), readDouble(fieldSet.readString(LONGITUDE.getHerbieField()))); map.put(LATITUDE.getHerbieField(), readDouble(fieldSet.readString(LATITUDE.getHerbieField()))); map.put(RPM.getHerbieField(), readDouble(fieldSet.readString(RPM.getHerbieField()))); map.put(VEHICLE_SPEED.getHerbieField(), readInteger(fieldSet.readString(VEHICLE_SPEED.getHerbieField()))); String statuses = fieldSet.readString(FUEL_SYSTEM_STATUS.getHerbieField()); String[] statusPieces = statuses.substring(1, statuses.length() - 1).split(","); Integer[] integerStatuses = { readInteger(statusPieces[0].trim()), readInteger(statusPieces[1].trim()) }; map.put(FUEL_SYSTEM_STATUS.getHerbieField(), integerStatuses); map.put(ENGINE_LOAD.getHerbieField(), readDouble(fieldSet.readString(ENGINE_LOAD.getHerbieField()))); map.put(COOLANT_TEMP.getHerbieField(), readInteger(fieldSet.readString(COOLANT_TEMP.getHerbieField()))); map.put(SHORT_TERM_FUEL.getHerbieField(), readDouble(fieldSet.readString(SHORT_TERM_FUEL.getHerbieField()))); map.put(LONG_TERM_FUEL.getHerbieField(), readDouble(fieldSet.readString(LONG_TERM_FUEL.getHerbieField()))); map.put(INTAKE_MANIFOLD_PRESSURE.getHerbieField(), readInteger(fieldSet.readString(INTAKE_MANIFOLD_PRESSURE.getHerbieField()))); map.put(INTAKE_AIR_TEMP.getHerbieField(), readInteger(fieldSet.readString(INTAKE_AIR_TEMP.getHerbieField()))); map.put(MAF_AIRFLOW.getHerbieField(), readDouble(fieldSet.readString(MAF_AIRFLOW.getHerbieField()))); map.put(THROTTLE_POSITION.getHerbieField(), readInteger(fieldSet.readString(THROTTLE_POSITION.getHerbieField()))); map.put(OBD_STANDARDS.getHerbieField(), fieldSet.readString(OBD_STANDARDS.getHerbieField())); map.put(TIME_SINCE_ENGINE_START.getHerbieField(), readInteger(fieldSet.readString(TIME_SINCE_ENGINE_START.getHerbieField()))); map.put(FUEL_LEVEL_INPUT.getHerbieField(), readInteger(fieldSet.readString(FUEL_LEVEL_INPUT.getHerbieField()))); map.put(RELATIVE_THROTTLE_POS.getHerbieField(), readDouble(fieldSet.readString(RELATIVE_THROTTLE_POS.getHerbieField()))); map.put(ABSOLUTE_THROTTLE_POS_B.getHerbieField(), readDouble(fieldSet.readString(ABSOLUTE_THROTTLE_POS_B.getHerbieField()))); map.put(ACCELERATOR_THROTTLE_POS_D.getHerbieField(), readDouble(fieldSet.readString(ACCELERATOR_THROTTLE_POS_D.getHerbieField()))); map.put(ACCELERATOR_THROTTLE_POS_E.getHerbieField(), readDouble(fieldSet.readString(ACCELERATOR_THROTTLE_POS_E.getHerbieField()))); map.put(DISTANCE_WITH_MIL_ON.getHerbieField(), readInteger(fieldSet.readString(DISTANCE_WITH_MIL_ON.getHerbieField()))); map.put(CATALYST_TEMP.getHerbieField(), readDouble(fieldSet.readString(CATALYST_TEMP.getHerbieField()))); map.put(BAROMETRIC_PRESSURE.getHerbieField(), readInteger(fieldSet.readString(BAROMETRIC_PRESSURE.getHerbieField()))); map.put(CONTROL_MODULE_VOLTAGE.getHerbieField(), readDouble(fieldSet.readString(CONTROL_MODULE_VOLTAGE.getHerbieField()))); map.put(ACCELERATION.getHerbieField(), readDouble(fieldSet.readString(ACCELERATION.getHerbieField()))); map.put(BEARING.getHerbieField(), readDouble(fieldSet.readString(BEARING.getHerbieField()))); map.put(JOURNEY_ID.getHerbieField(), journeyId.toString()); return map; } }); mapper.afterPropertiesSet(); FlatFileItemReader<Map<String, Object>> reader = new FlatFileItemReader<>(); reader.setLineMapper(mapper); reader.setResource(new FileSystemResource(fileName)); reader.afterPropertiesSet(); return reader; }