Examples of jodd.typeconverter.impl.DoubleConverter

jodd.typeconverter.impl.DoubleConverter
Converts given object to Double. Conversion rules:
- null value is returned as null
- object of destination type is simply casted
- object is converted to string, trimmed, and then converted if possible.
Number string may start with plus and minus sign.

    FloatConverter floatConverter = new FloatConverter();
    register(Float.class, floatConverter);
    register(float.class, floatConverter);
    register(MutableFloat.class, new MutableFloatConverter(this));


    DoubleConverter doubleConverter = new DoubleConverter();
    register(Double.class, doubleConverter);
    register(double.class, doubleConverter);
    register(MutableDouble.class, new MutableDoubleConverter(this));


    BooleanConverter booleanConverter = new BooleanConverter();

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public class DoubleConverterTest {


  @Test
  public void testConversion() {
    DoubleConverter doubleConverter = new DoubleConverter();


    assertNull(doubleConverter.convert(null));


    assertEquals(Double.valueOf(1), doubleConverter.convert(Integer.valueOf(1)));
    assertEquals(Double.valueOf(1.73), doubleConverter.convert(Double.valueOf(1.73D)));
    assertEquals(Double.valueOf(1.73), doubleConverter.convert("1.73"));
    assertEquals(Double.valueOf(1.73), doubleConverter.convert(" 1.73 "));
    assertEquals(Double.valueOf(1.73), doubleConverter.convert(" +1.73 "));
    assertEquals(Double.valueOf(-1.73), doubleConverter.convert(" -1.73 "));
    assertEquals(Double.valueOf(1.73), doubleConverter.convert(new BigDecimal("1.73")));


    try {
      doubleConverter.convert("aaaa");
      fail();
    } catch (TypeConversionException ignore) {
    }
  }

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    FloatConverter floatConverter = new FloatConverter();
    register(Float.class, floatConverter);
    register(float.class, floatConverter);
    register(MutableFloat.class, new MutableFloatConverter(this));


    DoubleConverter doubleConverter = new DoubleConverter();
    register(Double.class, doubleConverter);
    register(double.class, doubleConverter);
    register(MutableDouble.class, new MutableDoubleConverter(this));


    BooleanConverter booleanConverter = new BooleanConverter();

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Related Classes of jodd.typeconverter.impl.DoubleConverter

jodd.typeconverter.DoubleConverterTest

jodd.typeconverter.TypeConverterManagerBean

jodd.typeconverter.TypeConversionException

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