Examples of org.geotools.data.shapefile.dbf.DbaseFileHeader.addColumn()

Class org.geotools.data.shapefile.dbf.DbaseFileHeader

Examples of org.geotools.data.shapefile.dbf.DbaseFileHeader.addColumn()

org.geotools.data.shapefile.dbf.DbaseFileHeader.addColumn()
Add a column to this DbaseFileHeader. The type is one of (C N L or D) character, number, logical(true/false), or date. The Field length is the total length in bytes reserved for this column. The decimal count only applies to numbers(N), and floating point values (F), and refers to the number of characters to reserve after the decimal point. Don't expect miracles from this...
```
 Field Type MaxLength ---------- --------- C          254 D          8
@          8F          20 N          18 
```
@param inFieldName The name of the new field, must be less than 10 characters or it gets truncated. @param inFieldType A character representing the dBase field, ( see above ). Case insensitive. @param inFieldLength The length of the field, in bytes ( see above ) @param inDecimalCount For numeric fields, the number of decimal places to track. @throws DbaseFileException If the type is not recognized.

            header.addColumn("emptyLogical", 'L', 1, 0);
            header.addColumn("emptyDate", 'D', 20, 0);
            int length = header.getRecordLength();
            header.removeColumn("emptyDate");
            assertTrue(length != header.getRecordLength());
            header.addColumn("emptyDate", 'D', 20, 0);
            assertTrue(length == header.getRecordLength());
            header.removeColumn("billy");
            assertTrue(length == header.getRecordLength());
        } finally {
            LOGGER.setLevel(before);

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        Level before = LOGGER.getLevel();
        try {
            LOGGER.setLevel(Level.INFO);


            header.addColumn("emptyInt", 'N', 9, 0);
            assertSame(Integer.class, header.getFieldClass(0));
            assertEquals(9, header.getFieldLength(0));


            header.addColumn("emptyString", 'C', 20, 0);
            assertSame(String.class, header.getFieldClass(1));

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            header.addColumn("emptyInt", 'N', 9, 0);
            assertSame(Integer.class, header.getFieldClass(0));
            assertEquals(9, header.getFieldLength(0));


            header.addColumn("emptyString", 'C', 20, 0);
            assertSame(String.class, header.getFieldClass(1));
            assertEquals(20, header.getFieldLength(1));
        } finally {
            LOGGER.setLevel(before);
        }

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    }


    @Test
    public void testEmptyFields() throws Exception {
        DbaseFileHeader header = new DbaseFileHeader();
        header.addColumn("emptyString", 'C', 20, 0);
        header.addColumn("emptyInt", 'N', 20, 0);
        header.addColumn("emptyDouble", 'N', 20, 5);
        header.addColumn("emptyFloat", 'F', 20, 5);
        header.addColumn("emptyLogical", 'L', 1, 0);
        header.addColumn("emptyDate", 'D', 20, 0);

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    @Test
    public void testEmptyFields() throws Exception {
        DbaseFileHeader header = new DbaseFileHeader();
        header.addColumn("emptyString", 'C', 20, 0);
        header.addColumn("emptyInt", 'N', 20, 0);
        header.addColumn("emptyDouble", 'N', 20, 5);
        header.addColumn("emptyFloat", 'F', 20, 5);
        header.addColumn("emptyLogical", 'L', 1, 0);
        header.addColumn("emptyDate", 'D', 20, 0);
        header.setNumRecords(20);

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    @Test
    public void testEmptyFields() throws Exception {
        DbaseFileHeader header = new DbaseFileHeader();
        header.addColumn("emptyString", 'C', 20, 0);
        header.addColumn("emptyInt", 'N', 20, 0);
        header.addColumn("emptyDouble", 'N', 20, 5);
        header.addColumn("emptyFloat", 'F', 20, 5);
        header.addColumn("emptyLogical", 'L', 1, 0);
        header.addColumn("emptyDate", 'D', 20, 0);
        header.setNumRecords(20);
        File f = new File(System.getProperty("java.io.tmpdir"),

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    public void testEmptyFields() throws Exception {
        DbaseFileHeader header = new DbaseFileHeader();
        header.addColumn("emptyString", 'C', 20, 0);
        header.addColumn("emptyInt", 'N', 20, 0);
        header.addColumn("emptyDouble", 'N', 20, 5);
        header.addColumn("emptyFloat", 'F', 20, 5);
        header.addColumn("emptyLogical", 'L', 1, 0);
        header.addColumn("emptyDate", 'D', 20, 0);
        header.setNumRecords(20);
        File f = new File(System.getProperty("java.io.tmpdir"),
                "scratchDBF.dbf");

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        DbaseFileHeader header = new DbaseFileHeader();
        header.addColumn("emptyString", 'C', 20, 0);
        header.addColumn("emptyInt", 'N', 20, 0);
        header.addColumn("emptyDouble", 'N', 20, 5);
        header.addColumn("emptyFloat", 'F', 20, 5);
        header.addColumn("emptyLogical", 'L', 1, 0);
        header.addColumn("emptyDate", 'D', 20, 0);
        header.setNumRecords(20);
        File f = new File(System.getProperty("java.io.tmpdir"),
                "scratchDBF.dbf");
        f.deleteOnExit();

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        header.addColumn("emptyString", 'C', 20, 0);
        header.addColumn("emptyInt", 'N', 20, 0);
        header.addColumn("emptyDouble", 'N', 20, 5);
        header.addColumn("emptyFloat", 'F', 20, 5);
        header.addColumn("emptyLogical", 'L', 1, 0);
        header.addColumn("emptyDate", 'D', 20, 0);
        header.setNumRecords(20);
        File f = new File(System.getProperty("java.io.tmpdir"),
                "scratchDBF.dbf");
        f.deleteOnExit();
        FileOutputStream fout = new FileOutputStream(f);

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            } else if (colType == BigInteger.class) {
                header.addColumn(colName, 'N', Math.min(fieldLen, 33), 0);
            } else if (Number.class.isAssignableFrom(colType)) {
                int l = Math.min(fieldLen, 33);
                int d = Math.max(l - 2, 0);
                header.addColumn(colName, 'N', l, d);
                // This check has to come before the Date one or it is never reached
                // also, this field is only activated with the following system property:
                // org.geotools.shapefile.datetime=true
            } else if (java.util.Date.class.isAssignableFrom(colType)
                    && Boolean.getBoolean("org.geotools.shapefile.datetime")) {

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