Examples with JsonParser com.fasterxml.jackson.core.JsonParser used on opensource projects

Example 36 with JsonParser

use of com.fasterxml.jackson.core.JsonParser in project jackson-core by FasterXML.

the class ValueConversionsTest method _testAsInt.

private void _testAsInt(int mode) throws Exception {
    final String input = "[ 1, -3, 4.98, true, false, null, \"-17\", \"foo\" ]";
    JsonParser p = createParser(mode, input);
    assertToken(JsonToken.START_ARRAY, p.nextToken());
    assertEquals(0, p.getValueAsLong());
    assertEquals(9, p.getValueAsLong(9));
    assertToken(JsonToken.VALUE_NUMBER_INT, p.nextToken());
    assertEquals(1, p.getValueAsLong());
    assertEquals(1, p.getValueAsLong(-99));
    assertToken(JsonToken.VALUE_NUMBER_INT, p.nextToken());
    assertEquals(-3, p.getValueAsLong());
    assertToken(JsonToken.VALUE_NUMBER_FLOAT, p.nextToken());
    assertEquals(4, p.getValueAsLong());
    assertEquals(4, p.getValueAsLong(99));
    assertToken(JsonToken.VALUE_TRUE, p.nextToken());
    assertEquals(1, p.getValueAsLong());
    assertToken(JsonToken.VALUE_FALSE, p.nextToken());
    assertEquals(0, p.getValueAsLong());
    assertToken(JsonToken.VALUE_NULL, p.nextToken());
    assertEquals(0, p.getValueAsLong());
    assertEquals(0, p.getValueAsLong(27));
    assertToken(JsonToken.VALUE_STRING, p.nextToken());
    assertEquals(-17, p.getValueAsLong());
    assertEquals(-17, p.getValueAsLong(3));
    assertToken(JsonToken.VALUE_STRING, p.nextToken());
    assertEquals(0, p.getValueAsLong());
    assertEquals(9, p.getValueAsLong(9));
    assertToken(JsonToken.END_ARRAY, p.nextToken());
    assertEquals(0, p.getValueAsLong());
    assertEquals(9, p.getValueAsLong(9));
    p.close();
}

Example 37 with JsonParser

use of com.fasterxml.jackson.core.JsonParser in project jackson-core by FasterXML.

the class ValueConversionsTest method _testAsLong.

public void _testAsLong(int mode) throws Exception {
    final String input = "[ 1, -3, 4.98, true, false, null, \"-17\", \"foo\" ]";
    JsonParser p = createParser(mode, input);
    assertToken(JsonToken.START_ARRAY, p.nextToken());
    assertEquals(0L, p.getValueAsLong());
    assertEquals(9L, p.getValueAsLong(9L));
    assertToken(JsonToken.VALUE_NUMBER_INT, p.nextToken());
    assertEquals(1L, p.getValueAsLong());
    assertEquals(1L, p.getValueAsLong(-99L));
    assertToken(JsonToken.VALUE_NUMBER_INT, p.nextToken());
    assertEquals(-3L, p.getValueAsLong());
    assertToken(JsonToken.VALUE_NUMBER_FLOAT, p.nextToken());
    assertEquals(4L, p.getValueAsLong());
    assertEquals(4L, p.getValueAsLong(99L));
    assertToken(JsonToken.VALUE_TRUE, p.nextToken());
    assertEquals(1L, p.getValueAsLong());
    assertToken(JsonToken.VALUE_FALSE, p.nextToken());
    assertEquals(0L, p.getValueAsLong());
    assertToken(JsonToken.VALUE_NULL, p.nextToken());
    assertEquals(0L, p.getValueAsLong());
    assertEquals(0L, p.getValueAsLong(27L));
    assertToken(JsonToken.VALUE_STRING, p.nextToken());
    assertEquals(-17L, p.getValueAsLong());
    assertEquals(-17L, p.getValueAsLong(3L));
    assertToken(JsonToken.VALUE_STRING, p.nextToken());
    assertEquals(0L, p.getValueAsLong());
    assertEquals(9L, p.getValueAsLong(9L));
    assertToken(JsonToken.END_ARRAY, p.nextToken());
    assertEquals(0L, p.getValueAsLong());
    assertEquals(9L, p.getValueAsLong(9L));
    p.close();
}

Example 38 with JsonParser

use of com.fasterxml.jackson.core.JsonParser in project jackson-core by FasterXML.

the class NumberCoercionTest method testToLongCoercion.

public void testToLongCoercion() throws Exception {
    for (int mode : ALL_STREAMING_MODES) {
        JsonParser p;
        // int->long
        p = createParser(mode, "1");
        assertToken(JsonToken.VALUE_NUMBER_INT, p.nextToken());
        assertEquals(1, p.getIntValue());
        assertEquals(1L, p.getLongValue());
        p.close();
        // BigInteger->long
        long biggish = 12345678901L;
        p = createParser(mode, String.valueOf(biggish));
        assertToken(JsonToken.VALUE_NUMBER_INT, p.nextToken());
        assertEquals(BigInteger.valueOf(biggish), p.getBigIntegerValue());
        assertEquals(biggish, p.getLongValue());
        p.close();
        // double->long
        p = createParser(mode, "2");
        assertToken(JsonToken.VALUE_NUMBER_INT, p.nextToken());
        assertEquals(2.0, p.getDoubleValue());
        assertEquals(2L, p.getLongValue());
        p.close();
        // BigDecimal->long
        p = createParser(mode, "10");
        assertToken(JsonToken.VALUE_NUMBER_INT, p.nextToken());
        assertEquals(BigDecimal.TEN, p.getDecimalValue());
        assertEquals(10, p.getLongValue());
        p.close();
    }
}

Example 39 with JsonParser

use of com.fasterxml.jackson.core.JsonParser in project jackson-core by FasterXML.

the class NumberCoercionTest method testToIntCoercion.

/*
    /**********************************************************
    /* Numeric coercions, integral
    /**********************************************************
     */
public void testToIntCoercion() throws Exception {
    for (int mode : ALL_STREAMING_MODES) {
        JsonParser p;
        // long->int
        p = createParser(mode, "1");
        assertToken(JsonToken.VALUE_NUMBER_INT, p.nextToken());
        assertEquals(1L, p.getLongValue());
        assertEquals(1, p.getIntValue());
        p.close();
        // BigInteger->int
        p = createParser(mode, "10");
        assertToken(JsonToken.VALUE_NUMBER_INT, p.nextToken());
        assertEquals(BigInteger.TEN, p.getBigIntegerValue());
        assertEquals(10, p.getIntValue());
        p.close();
        // double->int
        p = createParser(mode, "2");
        assertToken(JsonToken.VALUE_NUMBER_INT, p.nextToken());
        assertEquals(2.0, p.getDoubleValue());
        assertEquals(2, p.getIntValue());
        p.close();
        // BigDecimal->int
        p = createParser(mode, "10");
        assertToken(JsonToken.VALUE_NUMBER_INT, p.nextToken());
        assertEquals(BigDecimal.TEN, p.getDecimalValue());
        assertEquals(10, p.getIntValue());
        p.close();
    }
}

Example 40 with JsonParser

use of com.fasterxml.jackson.core.JsonParser in project jackson-core by FasterXML.

the class NumberCoercionTest method testToDoubleCoercion.

/*
    /**********************************************************
    /* Numeric coercions, floating point
    /**********************************************************
     */
public void testToDoubleCoercion() throws Exception {
    for (int mode : ALL_STREAMING_MODES) {
        JsonParser p;
        // BigDecimal->double
        p = createParser(mode, "100.5");
        assertToken(JsonToken.VALUE_NUMBER_FLOAT, p.nextToken());
        assertEquals(new BigDecimal("100.5"), p.getDecimalValue());
        assertEquals(100.5, p.getDoubleValue());
        p.close();
        p = createParser(mode, "10");
        assertToken(JsonToken.VALUE_NUMBER_INT, p.nextToken());
        assertEquals(BigInteger.TEN, p.getBigIntegerValue());
        assertEquals(10.0, p.getDoubleValue());
        p.close();
    }
}