Example usage for org.springframework.batch.item.file.mapping PassThroughLineMapper PassThroughLineMapper

Introduction

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

Prototype

PassThroughLineMapper

Source Link

Usage

From source file:de.langmi.spring.batch.examples.readers.file.flatfileitemreader.FlatFileItemReaderTest.java

/**
 * Test should read succesfully./*from  w  w w .  j  av a2s  .  c o  m*/
 *
 * @throws Exception 
 */
@Test
public void testSuccessfulReading() throws Exception {
    // init reader
    reader.setLineMapper(new PassThroughLineMapper());
    reader.setResource(new FileSystemResource(INPUT_FILE));
    // open, provide "mock" ExecutionContext
    reader.open(MetaDataInstanceFactory.createStepExecution().getExecutionContext());
    // read
    try {
        int count = 0;
        String line;
        while ((line = reader.read()) != null) {
            assertEquals(String.valueOf(count), line);
            count++;
        }
        assertEquals(EXPECTED_COUNT, count);
    } catch (Exception e) {
        throw e;
    } finally {
        reader.close();
    }
}

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From source file:de.langmi.spring.batch.examples.readers.file.peekable.SimplePeekableItemReaderTest.java

/**
 * Test should read succesfully.//from w w  w  .j  a v a2  s. c  o m
 *
 * @throws Exception 
 */
@Test
public void testSuccessfulPeekAhead() throws Exception {
    // init delegate
    delegateReader.setLineMapper(new PassThroughLineMapper());
    delegateReader.setResource(new FileSystemResource(INPUT_FILE));
    // init peekable
    SingleItemPeekableItemReader<String> peekable = new SingleItemPeekableItemReader<String>();
    peekable.setDelegate(delegateReader);
    // open, provide "mock" ExecutionContext
    peekable.open(MetaDataInstanceFactory.createStepExecution().getExecutionContext());
    // read
    try {
        int count = 0;
        String line;
        while ((line = peekable.read()) != null) {
            assertEquals(String.valueOf(count), line);
            // test for peek
            String lineAhead = peekable.peek();
            if (count + 1 < EXPECTED_COUNT) {
                assertEquals(String.valueOf(count + 1), lineAhead);
            } else {
                assertNull(lineAhead);
            }
            count++;
        }
        assertEquals(EXPECTED_COUNT, count);
    } catch (Exception e) {
        throw e;
    } finally {
        peekable.close();
    }
}

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

@Bean
public ItemReader<String> reader() {
    FlatFileItemReader<String> reader = new FlatFileItemReader<String>();
    reader.setResource(new ClassPathResource("in-javaconfig.txt"));
    reader.setLineMapper(new PassThroughLineMapper());
    return reader;
}

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From source file:de.langmi.spring.batch.examples.readers.file.peekable.SimplePeekableItemReaderTest.java

/**
 * Test should read succesfully./*from   w  w w  .  jav  a2 s .  com*/
 *
 * @throws Exception 
 */
@Test
public void testSuccessfulReading() throws Exception {
    // init delegate
    delegateReader.setLineMapper(new PassThroughLineMapper());
    delegateReader.setResource(new FileSystemResource(INPUT_FILE));
    // init peekable
    SingleItemPeekableItemReader<String> peekable = new SingleItemPeekableItemReader<String>();
    peekable.setDelegate(delegateReader);
    // open, provide "mock" ExecutionContext
    peekable.open(MetaDataInstanceFactory.createStepExecution().getExecutionContext());
    // read
    try {
        int count = 0;
        String line;
        while ((line = peekable.read()) != null) {
            assertEquals(String.valueOf(count), line);
            count++;
        }
        assertEquals(EXPECTED_COUNT, count);
    } catch (Exception e) {
        throw e;
    } finally {
        peekable.close();
    }
}

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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 w  w  w .  j  a v  a  2  s .co 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  . j a  v  a  2  s  . c  o m
 * @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:de.langmi.spring.batch.examples.readers.file.archive.ArchiveMultiResourceItemReaderTest.java

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

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