Java CsvToBean.parse方法代码示例

import au.com.bytecode.opencsv.bean.CsvToBean; //导入方法依赖的package包/类
public void testParse() {
    String s = "n,o,foo\n" +
            "kyle,123456,emp123\n" +
            "jimmy,abcnum,cust09878";
    HeaderColumnNameTranslateMappingStrategy strat = new HeaderColumnNameTranslateMappingStrategy();
    strat.setType(TestBean.class);
    Map map = new HashMap();
    map.put("n", "name");
    map.put("o", "orderNumber");
    map.put("foo", "id");
    strat.setColumnMapping(map);

    CsvToBean csv = new CsvToBean();
    List list = csv.parse(strat, new StringReader(s));
    assertNotNull(list);
    assertTrue(list.size() == 2);
    TestBean bean = (TestBean)list.get(0);
    assertEquals("kyle", bean.getName());
    assertEquals("123456", bean.getOrderNumber());
    assertEquals("emp123", bean.getId());
}
 

import au.com.bytecode.opencsv.bean.CsvToBean; //导入方法依赖的package包/类
public void testParse() {
    String s = "" +
            "kyle,123456,emp123\n" +
            "jimmy,abcnum,cust09878";
    ColumnPositionMappingStrategy strat = new ColumnPositionMappingStrategy();
    strat.setType(TestBean.class);
    String[] columns = new String[] {"name", "orderNumber", "id"};
    strat.setColumnMapping(columns);

    CsvToBean csv = new CsvToBean();
    List list = csv.parse(strat, new StringReader(s));
    assertNotNull(list);
    assertTrue(list.size() == 2);
    TestBean bean = (TestBean)list.get(0);
    assertEquals("kyle", bean.getName());
    assertEquals("123456", bean.getOrderNumber());
    assertEquals("emp123", bean.getId());
}
 

import au.com.bytecode.opencsv.bean.CsvToBean; //导入方法依赖的package包/类
@Benchmark
public void testOpenCsvMapper(final Blackhole blackhole) throws Exception {
	CsvToBean csvToBean = new CsvToBean();

	Reader reader = getReader();
	try {
		List<?> list = null;
		CSVReader csvreader = new CSVReader(reader);
		list = csvToBean.parse(strategy, csvreader);

		blackhole.consume(list);
       }finally {
		reader.close();
	}
	
}
 

import au.com.bytecode.opencsv.bean.CsvToBean; //导入方法依赖的package包/类
public static void initializeMapping(){
	cobasMappings = new ArrayList<CobasMiraMappingLabitem>();
	String csvFilename =
		CoreHub.localCfg.get(Preferences.MAPPINGSCSVFILE,
			Preferences.getDefaultMappingCSVLocation());
	
	try {
		CsvToBean csvBean = new CsvToBean();
		List csvList = csvBean.parse(getMappingStrategy(), new FileReader(csvFilename));
		
		for (Object object : csvList) {
			CobasMiraMappingLabitem cmlItem = (CobasMiraMappingLabitem) object;
			cobasMappings.add(cmlItem);
		}
		
	} catch (FileNotFoundException e) {
		Status status =
			new Status(IStatus.WARNING, Activator.PLUGIN_ID, "CSV Mapping File nicht gefunden",
				e);
		StatusManager.getManager().handle(status, StatusManager.SHOW);
	}
	cobasMappings.remove(0);
}
 

import au.com.bytecode.opencsv.bean.CsvToBean; //导入方法依赖的package包/类
public void testParse() {
    String s = "name,orderNumber,num\n" +
            "kyle,abc123456,123\n" +
            "jimmy,def098765,456";
    HeaderColumnNameMappingStrategy strat = new HeaderColumnNameMappingStrategy();
    strat.setType(TestBean.class);
    CsvToBean csv = new CsvToBean();
    List list = csv.parse(strat, new StringReader(s));
    assertNotNull(list);
    assertTrue(list.size() == 2);
    TestBean bean = (TestBean)list.get(0);
    assertEquals("kyle", bean.getName());
    assertEquals("abc123456", bean.getOrderNumber());
    assertEquals(123, bean.getNum());
}
 

import au.com.bytecode.opencsv.bean.CsvToBean; //导入方法依赖的package包/类
public List<T> parseCsv() throws IOException {
    ClassPathResource classPathResource = new ClassPathResource(getClassPathFilePath(), this.getClass().getClassLoader());
    InputStreamReader ioReader = new InputStreamReader(classPathResource.getInputStream(), "UTF-8");
    CSVReader reader = new CSVReader(ioReader, ';');

    ColumnPositionMappingStrategy<T> strat = new ColumnPositionMappingStrategy<>();
    strat.setType(getDestinationClass());
    strat.setColumnMapping(getColumnMapping());
    CsvToBean<T> csv = getParser();
    return csv.parse(strat, reader);
}
 

import au.com.bytecode.opencsv.bean.CsvToBean; //导入方法依赖的package包/类
@Benchmark
public void testOpenCsvMapper(final Blackhole blackhole) throws Exception {
	CsvToBean<SmallBenchmarkObject> csvToBean = new CsvToBean<SmallBenchmarkObject>();

	List<SmallBenchmarkObject> list = null;
	CSVReader csvreader = new CSVReader(reader);
	list = csvToBean.parse(strategy, csvreader);

	blackhole.consume(list);

}
 

import au.com.bytecode.opencsv.bean.CsvToBean; //导入方法依赖的package包/类
public static List<Record> parseCreationFile(String path, char delimiter) throws IOException {
    ColumnPositionMappingStrategy<Record> strategy = new ColumnPositionMappingStrategy<Record>();
    strategy.setType(Record.class);

    String[] columns = new String[] {"category", "name", "template", "url"};
    strategy.setColumnMapping(columns);

    CSVReader reader = new CSVReader(new FileReader(path), delimiter, '\"', 1);
    CsvToBean<Record> csv = new CsvToBean<Record>();
    return csv.parse(strategy, reader);
}
 

import au.com.bytecode.opencsv.bean.CsvToBean; //导入方法依赖的package包/类
/**
 * This approach seems to fail with embedded newlines; that might be a weakness of
 * the mapping strategy support classes.
 *
 * @param originalCommentText
 * @throws FileNotFoundException
 */
protected void testMappingStrategyRead(String originalCommentText)
        throws FileNotFoundException {
    ColumnPositionMappingStrategy mappingStrategy = new ColumnPositionMappingStrategy();
    mappingStrategy.setType(MyBean.class);
    String[] columns = new String[]{"name", "value", "amount1", "currency", "comments"}; // the fields to bind to in your JavaBean
    mappingStrategy.setColumnMapping(columns);

    CsvToBean csv = new CsvToBean();
    CSVReader reader = new CSVReader(new FileReader(filePath), Constants.DEFAULT_SEPARATOR, Constants.DEFAULT_QUOTE_CHARACTER, Constants.DEFAULT_ESCAPE_CHARACTER, 0, false, false);
    List<MyBean> list = csv.parse(mappingStrategy, reader);

    if (list.size() != 3) {
        System.out.println("Error - list size is wrong.");
    }
    MyBean myBean = list.get(2);
    if (!myBean.getName().equals("field1")) {
        System.out.println("MappingStrategy Assert Error: Name is wrong.");
    }
    if (!myBean.getValue().equals("3.0")) {
        System.out.println("MappingStrategy Assert Error: Value is wrong.");
    }
    if (!myBean.getAmount1().equals("3,147.25")) {
        System.out.println("MappingStrategy Assert Error: Amount1 is wrong.");
    }
    if (!myBean.getCurrency().equals("$3,147.26")) {
        System.out.println("MappingStrategy Assert Error: Currency is wrong.");
    }
    printfield("MyBeanComments:         ", myBean.getComments());
    printfield("OriginalCommentText:    ", originalCommentText);
    if (!myBean.getComments().equals(originalCommentText)) {
        System.out.println("MappingStrategy Assert Error: Comment is wrong.");
    }
}
 

import au.com.bytecode.opencsv.bean.CsvToBean; //导入方法依赖的package包/类
List<Object> readBeans() throws IOException {
    final CGLibMappingStrategy strategy = new CGLibMappingStrategy();
    final CsvToBean<Object> csvToBean = new CsvToBean<>();
    try (final CSVReader reader = new CSVReader(Files.newBufferedReader(metadataFile, charset),
            separator, quote, escape, skipLines, strictQuotes, ignoreLeadingWhiteSpace)) {
        return csvToBean.parse(strategy, reader);
    }
}