Package com.fasterxml.jackson.dataformat.csv

Examples of com.fasterxml.jackson.dataformat.csv.CsvMapper

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    private <T> int readAll(File inputFile, Class<T> cls) throws IOException
    {
        System.out.print("Reading input as "+cls.getName()+" instances: ");
       
        int count = 0;
        CsvMapper mapper = new CsvMapper();
        CsvSchema schema = CsvSchema.builder()
            .setUseHeader(true)
            .build();

        MappingIterator<T> it = mapper.reader(cls)
            .with(schema).readValues(inputFile);
        while (it.hasNext()) {
            @SuppressWarnings("unused")
            T row = it.nextValue();
            ++count;
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    private Class<ResultType> resultType;

    public CSVParser(Class<ResultType> resultType) {
        this.resultType = resultType;
        mapper = new CsvMapper();
        mapper.addMixInAnnotations(resultType, OpenEngSBModelMixin.class);
    }
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    }

    @Test
    public void testWrite_NullThirdColumn() throws JsonProcessingException
    {
        CsvMapper mapper = new CsvMapper();
        assertFalse(mapper.getFactory().isEnabled(CsvGenerator.Feature.OMIT_MISSING_TAIL_COLUMNS));
        String csv = mapper.writer().withSchema(SCHEMA).writeValueAsString(
                ImmutableMap.of("timestamp", "2014-03-10T23:32:47+00:00",
                        "value", 42));

        assertEquals("\"2014-03-10T23:32:47+00:00\",42,\n", csv);
        mapper.getFactory().enable(CsvGenerator.Feature.OMIT_MISSING_TAIL_COLUMNS);
        csv = mapper.writer().withSchema(SCHEMA).writeValueAsString(
                ImmutableMap.of("timestamp", "2014-03-10T23:32:47+00:00",
                        "value", 42));
        assertEquals("\"2014-03-10T23:32:47+00:00\",42\n", csv);
    }
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    public void testWithAStringAndAUuid() throws JsonProcessingException {
        final CsvSchema schema = new CsvSchema.Builder()
                .addColumn("string1", CsvSchema.ColumnType.STRING)
                .addColumn("string2", CsvSchema.ColumnType.STRING)
                .build();
        final ObjectWriter writer = new CsvMapper().writer().withSchema(schema);

        final ImmutableMap.Builder<String, String> builder = new ImmutableMap.Builder<String, String>();
        builder.put("string1", "hello");
        builder.put("string2", "2a36b911-9699-45d2-abd5-b9f2d2c9c4a3");
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        final CsvSchema schema = new CsvSchema.Builder()
                .addColumn("string1", CsvSchema.ColumnType.STRING)
                .addColumn("string2", CsvSchema.ColumnType.STRING)
                .addColumn("string3", CsvSchema.ColumnType.STRING)
                .build();
        final ObjectWriter writer = new CsvMapper().writer().withSchema(schema);

        final ImmutableMap.Builder<String, String> builder = new ImmutableMap.Builder<String, String>();
        builder.put("string1", "hello");
        builder.put("string2", "world");
        builder.put("string3", "2a36b911-9699-45d2-abd5-b9f2d2c9c4a3");
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        final CsvSchema schema = new CsvSchema.Builder()
                .addColumn("string1", CsvSchema.ColumnType.STRING)
                .addColumn("string2", CsvSchema.ColumnType.STRING)
                .addColumn("string3", CsvSchema.ColumnType.STRING)
                .build();
        final ObjectWriter writer = new CsvMapper().writer().withSchema(schema);

        final ImmutableMap.Builder<String, String> builder = new ImmutableMap.Builder<String, String>();
        builder.put("string2", "world");
        builder.put("string3", "2a36b911-9699-45d2-abd5-b9f2d2c9c4a3");
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        final CsvSchema schema = new CsvSchema.Builder()
                .addColumn("string1", CsvSchema.ColumnType.STRING)
                .addColumn("string2", CsvSchema.ColumnType.STRING)
                .addColumn("string3", CsvSchema.ColumnType.STRING)
                .build();
        final ObjectWriter writer = new CsvMapper().writer().withSchema(schema);

        final ImmutableMap.Builder<String, String> builder = new ImmutableMap.Builder<String, String>();
        builder.put("string1", "hello");
        builder.put("string3", "2a36b911-9699-45d2-abd5-b9f2d2c9c4a3");
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                .addColumn("string1", CsvSchema.ColumnType.STRING)
                .addColumn("string2", CsvSchema.ColumnType.STRING)
                .addColumn("string3", CsvSchema.ColumnType.STRING)
                .addColumn("string4", CsvSchema.ColumnType.STRING)
                .build();
        final ObjectWriter writer = new CsvMapper().writer().withSchema(schema);

        final ImmutableMap.Builder<String, String> builder = new ImmutableMap.Builder<String, String>();
        builder.put("string1", "hello");
        builder.put("string2", "dear");
        builder.put("string3", "world");
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                .addColumn("string1", CsvSchema.ColumnType.STRING)
                .addColumn("string2", CsvSchema.ColumnType.STRING)
                .addColumn("string3", CsvSchema.ColumnType.STRING)
                .addColumn("string4", CsvSchema.ColumnType.STRING)
                .build();
        final ObjectWriter writer = new CsvMapper().writer().withSchema(schema);

        final ImmutableMap.Builder<String, String> builder = new ImmutableMap.Builder<String, String>();
        builder.put("string2", "hello");
        builder.put("string3", "world");
        builder.put("string4", "2a36b911-9699-45d2-abd5-b9f2d2c9c4a3");
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                .addColumn("string1", CsvSchema.ColumnType.STRING)
                .addColumn("string2", CsvSchema.ColumnType.STRING)
                .addColumn("string3", CsvSchema.ColumnType.STRING)
                .addColumn("string4", CsvSchema.ColumnType.STRING)
                .build();
        final ObjectWriter writer = new CsvMapper().writer().withSchema(schema);

        final ImmutableMap.Builder<String, String> builder = new ImmutableMap.Builder<String, String>();
        builder.put("string1", "hello");
        builder.put("string3", "world");
        builder.put("string4", "2a36b911-9699-45d2-abd5-b9f2d2c9c4a3");
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Related Classes of com.fasterxml.jackson.dataformat.csv.CsvMapper

  • com.fasterxml.jackson.databind.introspect.AnnotatedMember
  • com.fasterxml.jackson.databind.util.NameTransformer
  • com.fasterxml.jackson.dataformat.csv.TestWriterWithMissingValues
  • com.fasterxml.jackson.dataformat.csv.TestWriterWithSomeMoreMissingValues
  • org.codehaus.jackson.type.JavaType
  • org.openengsb.connector.virtual.filewatcher.internal.CSVParser
  • perf.F5500Reader
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