Examples of ma.glasnost.orika.MapperFacade

ma.glasnost.orika.MapperFacade
The main runtime interface between a Java application and Orika. This is the central interface abstracting the service of a Java bean mapping.

The main operation of MapperFacade is map() that copy from a deeply structured one object to an other.

MapperFacade manages the state of a mapping operation through MappingContext.
The operation of mapping may include :
- Creation of new objects : newObject()
- Conversion object to another type: convert()
- Mapping recursively an object to an other class : map()
Example of code to map an instance of Entity(entity ) to DTO class:
```
 ... DTO newDTO = mapperFacade.map(entity, DTO.class); ... 
```
@author S.M. El Aatifi

    
    @Test
    public void testDoubleToShortConverter() {
        MapperFactory factory = MappingUtil.getMapperFactory();
        factory.getConverterFactory().registerConverter(new DoubleToShortConverter(false));
        MapperFacade mapper = factory.getMapperFacade();
        
        Double value = (double) Short.MAX_VALUE;
        Short result = mapper.map(value, Short.class);
        Assert.assertEquals(value.doubleValue(), result.doubleValue());
        
        Double reverse = mapper.map(result, Double.class);
        Assert.assertEquals(result.doubleValue(), reverse.doubleValue());
    }

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    @Test
    public void testDoubleToIntegerConverter() {
        MapperFactory factory = MappingUtil.getMapperFactory();
        factory.getConverterFactory().registerConverter(new DoubleToIntegerConverter(false));
        MapperFacade mapper = factory.getMapperFacade();
        
        Double value = (double) Integer.MAX_VALUE;
        Integer result = mapper.map(value, Integer.class);
        Assert.assertEquals(value.doubleValue(), result.doubleValue());
        
        Double reverse = mapper.map(result, Double.class);
        Assert.assertEquals(result.doubleValue(), reverse.doubleValue());
    }

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    @Test
    public void testDoubleToLongConverter() {
        MapperFactory factory = MappingUtil.getMapperFactory();
        factory.getConverterFactory().registerConverter(new DoubleToLongConverter(false));
        MapperFacade mapper = factory.getMapperFacade();
        
        Double value = (double) Long.MAX_VALUE;
        Long result = mapper.map(value, Long.class);
        Assert.assertEquals(value.doubleValue(), result.doubleValue());
        
        Double reverse = mapper.map(result, Double.class);
        Assert.assertEquals(result.doubleValue(), reverse.doubleValue());
    }

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    @Test
    public void testFloatToShortConverter() {
        MapperFactory factory = MappingUtil.getMapperFactory();
        factory.getConverterFactory().registerConverter(new FloatToShortConverter(false));
        MapperFacade mapper = factory.getMapperFacade();
        
        Float value = (float) Short.MAX_VALUE;
        Short result = mapper.map(value, Short.class);
        Assert.assertEquals(value.floatValue(), result.floatValue());
        
        Float reverse = mapper.map(result, Float.class);
        Assert.assertEquals(result.floatValue(), reverse.floatValue());
    }

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    @Test
    public void testFloatToIntegerConverter() {
        MapperFactory factory = MappingUtil.getMapperFactory();
        factory.getConverterFactory().registerConverter(new FloatToIntegerConverter(false));
        MapperFacade mapper = factory.getMapperFacade();
        
        Float value = (float) Integer.MAX_VALUE;
        Integer result = mapper.map(value, Integer.class);
        Assert.assertEquals(value.floatValue(), result.floatValue());
        
        Float reverse = mapper.map(result, Float.class);
        Assert.assertEquals(result.floatValue(), reverse.floatValue());
    }

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    @Test
    public void testFloatToLongConverter() {
        MapperFactory factory = MappingUtil.getMapperFactory();
        factory.getConverterFactory().registerConverter(new FloatToLongConverter(false));
        MapperFacade mapper = factory.getMapperFacade();
        
        Float value = (float) Long.MAX_VALUE;
        Long result = mapper.map(value, Long.class);
        Assert.assertEquals(value.floatValue(), result.floatValue());
        
        Float reverse = mapper.map(result, Float.class);
        Assert.assertEquals(result.floatValue(), reverse.floatValue());
    }

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    @Test(expected = MappingException.class)
    public void testLongToShortConverter_overflow() {
        MapperFactory factory = MappingUtil.getMapperFactory();
        factory.getConverterFactory().registerConverter(new LongToShortConverter(false));
        MapperFacade mapper = factory.getMapperFacade();
        
        Long value = (long) Short.MAX_VALUE + 1;
        Short result = mapper.map(value, Short.class);
        Assert.assertEquals(value.longValue(), result.longValue());
        
        Long reverse = mapper.map(result, Long.class);
        Assert.assertEquals(result.longValue(), reverse.longValue());
    }

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    @Test(expected = MappingException.class)
    public void testLongToIntegerConverter_overflow() {
        MapperFactory factory = MappingUtil.getMapperFactory();
        factory.getConverterFactory().registerConverter(new LongToIntegerConverter(false));
        MapperFacade mapper = factory.getMapperFacade();
        
        Long value = (long) Integer.MAX_VALUE + 1;
        Integer result = mapper.map(value, Integer.class);
        Assert.assertEquals(value.longValue(), result.longValue());
        
        Long reverse = mapper.map(result, Long.class);
        Assert.assertEquals(result.longValue(), reverse.longValue());
    }

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  public void testBooleanMapping() {
    SpecialCase sc = new SpecialCase();
    sc.setChecked(true);
    sc.totalCost = new BigDecimal("42.50");
    
    MapperFacade mapper = MappingUtil.getMapperFactory().getMapperFacade();
    SpecialCaseDto dto = mapper.map(sc, SpecialCaseDto.class);
    
    Assert.assertEquals(sc.isChecked(), Boolean.valueOf(dto.isChecked()));
    //Assert.assertEquals(sc.totalCost.doubleValue(), dto.getTotalCost(), 0.01d);
  }

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    @Test(expected = MappingException.class)
    public void testIntegerToShortConverter_overflow() {
        MapperFactory factory = MappingUtil.getMapperFactory();
        factory.getConverterFactory().registerConverter(new IntegerToShortConverter(false));
        MapperFacade mapper = factory.getMapperFacade();
        
        Integer value = (int) Short.MAX_VALUE + 1;
        Short result = mapper.map(value, Short.class);
        Assert.assertEquals(value.intValue(), result.intValue());
        
        Integer reverse = mapper.map(result, Integer.class);
        Assert.assertEquals(result.intValue(), reverse.intValue());
    }

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