Example usage for org.springframework.batch.item.file FlatFileItemReader FlatFileItemReader

Introduction

In this page you can find the example usage for org.springframework.batch.item.file FlatFileItemReader FlatFileItemReader.

Prototype

public FlatFileItemReader() 

Source Link

Usage

From source file:de.mediait.batch.FlatFileItemReaderTest.java

private FlatFileItemReader<String[]> createFlatFileReader(final char seperatorCharacter,
        final char quoteCharacter) {
    final FlatFileItemReader<String[]> reader = new FlatFileItemReader<String[]>();
    final DefaultLineMapper<String[]> lineMapper = new DefaultLineMapper<String[]>();
    final DelimitedLineTokenizer tokenizer = new DelimitedLineTokenizer(String.valueOf(seperatorCharacter));
    tokenizer.setQuoteCharacter(quoteCharacter);
    lineMapper.setLineTokenizer(tokenizer);
    final FixingCsvRecordSeparatorPolicy recordSeparatorPolicy = new FixingCsvRecordSeparatorPolicy();
    recordSeparatorPolicy.setQuoteCharacter(quoteCharacter);
    reader.setRecordSeparatorPolicy(recordSeparatorPolicy);
    reader.setLineMapper(lineMapper);//  www . ja  v  a2 s. c  o m
    final FieldSetMapper<String[]> fieldSetMapper = new ArrayFieldSetMapper();
    lineMapper.setFieldSetMapper(fieldSetMapper);
    return reader;
}

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From source file:com.inkubator.hrm.batch.PayTempOvertimeUploadReader.java

private void initializationCsvReader(String filePath) {

    //read a CSV file
    Resource resource = new FileSystemResource(filePath);

    //split by separated coma
    DelimitedLineTokenizer lineTokenizer = new DelimitedLineTokenizer(DelimitedLineTokenizer.DELIMITER_COMMA);
    lineTokenizer.setNames(new String[] { "Nik", "Overtime" });

    //mapped to an object
    BeanWrapperFieldSetMapper<PayTempOvertimeFileModel> beanWrapperFieldSetMapper = new BeanWrapperFieldSetMapper<>();
    beanWrapperFieldSetMapper.setTargetType(PayTempOvertimeFileModel.class);

    DefaultLineMapper<PayTempOvertimeFileModel> lineMapper = new DefaultLineMapper<>();
    lineMapper.setLineTokenizer(lineTokenizer);
    lineMapper.setFieldSetMapper(beanWrapperFieldSetMapper);

    //initial flatFileItemReader
    csvFileReader = new FlatFileItemReader<>();
    csvFileReader.setLineMapper(lineMapper);
    csvFileReader.setResource(resource);
    csvFileReader.setLinesToSkip(1);//ww w .  jav a  2  s  .c  o  m
    csvFileReader.open(new ExecutionContext());
}

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From source file:io.spring.batch.configuration.BatchConfiguration.java

@Bean
@StepScope/* w  w w . jav a 2s.com*/
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;
}

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From source file:org.jboss.examples.spring.batch.BatchConfiguration.java

@Bean
@StepScope//from   ww w .  j a  v a2s .  com
public FlatFileItemReader<AggregateItem> flatFileItemReader(
        @Value("#{jobParameters[inputFile]}") String fileName, LineTokenizer lineTokenizer) {
    FlatFileItemReader<AggregateItem> rc = new FlatFileItemReader<>();
    rc.setResource(new FileSystemResource(fileName));
    DefaultLineMapper<AggregateItem> mapper = new DefaultLineMapper<>();

    // tokenizer
    mapper.setLineTokenizer(lineTokenizer);

    // field mapper
    AggregateItemFieldSetMapper fieldSetMapper = new AggregateItemFieldSetMapper();
    fieldSetMapper.setDelegate(new TradeFieldSetMapper());
    mapper.setFieldSetMapper(fieldSetMapper);

    rc.setLineMapper(mapper);
    return rc;
}

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From source file:de.codecentric.batch.jobs.FlatFileToDbNoSkipJobConfiguration.java

@Bean
@StepScope/* w  ww .  j a  v  a  2 s  . c o  m*/
public FlatFileItemReader<Item> flatFileItemReader(@Value("#{jobParameters[pathToFile]}") String pathToFile) {
    FlatFileItemReader<Item> itemReader = new FlatFileItemReader<Item>();
    itemReader.setLineMapper(lineMapper());
    itemReader.setResource(new FileSystemResource("src/test/resources/" + pathToFile));
    return itemReader;
}

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From source file:com.springsource.html5expense.config.BatchConfig.java

@Bean
@Scope("step")/*w  ww  .j  av  a  2 s  .  com*/
public FlatFileItemReader reader(@Value("#{jobParameters[file]}") String resource) {

    File f = new File(this.batchFileDirectory, resource + ".csv");

    DelimitedLineTokenizer del = new DelimitedLineTokenizer();
    del.setNames("date,amount,category,merchant".split(","));
    del.setDelimiter(DelimitedLineTokenizer.DELIMITER_COMMA);

    DefaultLineMapper<FieldSet> defaultLineMapper = new DefaultLineMapper<FieldSet>();
    defaultLineMapper.setLineTokenizer(del);
    defaultLineMapper.setFieldSetMapper(new PassThroughFieldSetMapper());
    defaultLineMapper.afterPropertiesSet();

    FlatFileItemReader<FieldSet> fileItemReader = new FlatFileItemReader<FieldSet>();
    fileItemReader.setLineMapper(defaultLineMapper);
    fileItemReader.setResource(new FileSystemResource(f));

    return fileItemReader;
}

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From source file:de.langmi.spring.batch.examples.readers.support.CompositeItemStreamReaderTest.java

/**
 * Helpermethod to create FlatFileItemReader, sets the name too, to make restart
 * scenario possible - otherwise one flatFileItemReader would overwrite the 
 * other (in context).//from   www  .j  a  va  2 s .c  o m
 *
 * @param inputFile
 * @return configured FlatFileItemReader cast as ItemStreamReader
 */
private ItemStreamReader<String> createFlatFileItemReader(final String inputFile) {
    FlatFileItemReader<String> ffir = new FlatFileItemReader<String>();
    // init reader
    ffir.setLineMapper(new PassThroughLineMapper());
    ffir.setResource(new FileSystemResource(inputFile));
    ffir.setName(inputFile);

    return (ItemStreamReader<String>) ffir;
}

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From source file:de.langmi.spring.batch.examples.readers.file.zip.ZipMultiResourceItemReaderTest.java

/**
 * Helper method to setup the used MultiResourceItemReader.
 *
 * @param mReader//from  w w w  .jav  a 2 s .c  om
 * @throws Exception 
 */
private void generalMultiResourceReaderSetup(ZipMultiResourceItemReader<String> mReader) throws Exception {
    // setup delegate
    FlatFileItemReader<String> reader = new FlatFileItemReader<String>();
    reader.setLineMapper(new PassThroughLineMapper());
    mReader.setDelegate(reader);
}

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From source file:com.github.jrrdev.mantisbtsync.core.jobs.issues.IssuesReadersConfiguration.java

/**
 * Return a reader that gets a list of issues ids from a CSV file.
 * The CSV file must not have a header line for columns definition.
 * The file is loaded through Spring resource loader so the filepath can contains
 * definitions like classpath: and others.
 *
 * @param resourceLoader/*from   w ww.  ja  v  a  2s  .  com*/
 *          Spring resource loader
 * @param filePath
 *          File path of the CSV file
 * @return the reader
 */
@Bean
@StepScope
public FlatFileItemReader<BugIdBean> csvIssuesReader(final ResourceLoader resourceLoader,
        @Value("#{jobParameters['mantis.filepath']}") final String filePath) {

    final FlatFileItemReader<BugIdBean> reader = new FlatFileItemReader<BugIdBean>();
    reader.setResource(resourceLoader.getResource(filePath));

    final DefaultLineMapper<BugIdBean> lineMapper = new DefaultLineMapper<BugIdBean>();

    final DelimitedLineTokenizer tokenizer = new DelimitedLineTokenizer();
    tokenizer.setNames(new String[] { "id" });
    lineMapper.setLineTokenizer(tokenizer);

    final BeanWrapperFieldSetMapper<BugIdBean> mapper = new BeanWrapperFieldSetMapper<BugIdBean>();
    mapper.setTargetType(BugIdBean.class);
    lineMapper.setFieldSetMapper(mapper);

    reader.setLineMapper(lineMapper);

    return reader;
}

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