org.apache.commons.beanutils.converters.StringConverter Java Examples

private Object getProp(Class<?> returnType, Property annotation) {

        final Class<?> primitiveWrapper = ClassUtils.primitiveToWrapper(returnType);
        StringConverter stringConverter = new StringConverter();

        final var configuration = elepyContext.getDependency(Configuration.class);

        try {
            final Object o = configuration.get(primitiveWrapper, annotation.key());

            if (o != null) {
                return o;
            }

            if (isEmpty(annotation.defaultValue())) {
                return null;
            }

            return stringConverter.convert(primitiveWrapper, annotation.defaultValue());
        } catch (ConversionException e) {
            logger.error(e.getMessage(), e);
            return null;
        }

    }
 

private AbstractConverter getConverter() {
    FieldFormat fieldFormat = field.getFormat();
    int size = fieldFormat.getSize();
    switch (fieldFormat.getType()) {
        case BOOLEAN: return new BooleanConverter();
        case UINT:
            if (size < 32) {
                return new IntegerConverter();
            } else if (size < 64) {
                return new LongConverter();
            } else {
                return new BigIntegerConverter();
            }
        case SINT:
            if (size <= 32) {
                return new IntegerConverter();
            } else if (size <= 64) {
                return new LongConverter();
            } else {
                return new BigIntegerConverter();
            }
        case FLOAT_IEE754:
        case FLOAT_IEE11073: return size <= 32 ? new FloatConverter() : new DoubleConverter();
        case UTF8S:
        case UTF16S: return new StringConverter();
        default:
            throw new IllegalStateException("Unsupported field format: " + fieldFormat.getType());
    }
}
 

/**
 * Register standard default null.
 * 
 * @see ConvertUtilsBean#registerPrimitives(boolean) registerPrimitives(boolean throwException)
 * @see ConvertUtilsBean#registerStandard(boolean,boolean) registerStandard(boolean throwException, boolean defaultNull)
 * @see ConvertUtilsBean#registerOther(boolean) registerOther(boolean throwException)
 * @see ConvertUtilsBean#registerArrays(boolean,int) registerArrays(boolean throwException, int defaultArraySize)
 * @see ConvertUtilsBean#deregister(Class) ConvertUtilsBean.deregister(Class)
 * @since 1.11.2
 */
public static void registerStandardDefaultNull(){
    ConvertUtils.register(new BigDecimalConverter(null), BigDecimal.class);
    ConvertUtils.register(new BigIntegerConverter(null), BigInteger.class);
    ConvertUtils.register(new BooleanConverter(null), Boolean.class);
    ConvertUtils.register(new ByteConverter(null), Byte.class);
    ConvertUtils.register(new CharacterConverter(null), Character.class);
    ConvertUtils.register(new DoubleConverter(null), Double.class);
    ConvertUtils.register(new FloatConverter(null), Float.class);
    ConvertUtils.register(new IntegerConverter(null), Integer.class);
    ConvertUtils.register(new LongConverter(null), Long.class);
    ConvertUtils.register(new ShortConverter(null), Short.class);
    ConvertUtils.register(new StringConverter(null), String.class);
}
 

/**
 * Test read properties to alias bean1.
 */
@Test
public void testToAliasBean1(){
    ArrayConverter arrayConverter = new ArrayConverter(String[].class, new StringConverter(), 2);
    char[] allowedChars = { ':' };
    arrayConverter.setAllowedChars(allowedChars);

    ConvertUtils.register(arrayConverter, String[].class);

    DangaMemCachedConfig dangaMemCachedConfig = toAliasBean(getResourceBundle("messages.memcached"), DangaMemCachedConfig.class);
    assertThat(
                    dangaMemCachedConfig,
                    allOf(//
                                    hasProperty("serverList", arrayContaining("172.20.3-1.23:11211", "172.20.31.22:11211")),
                                    hasProperty("poolName", is("sidsock2")),
                                    hasProperty("expireTime", is(180)),
                                    hasProperty("weight", arrayContaining(2)),
                                    hasProperty("initConnection", is(10)),
                                    hasProperty("minConnection", is(5)),
                                    hasProperty("maxConnection", is(250)),
                                    hasProperty("maintSleep", is(30)),
                                    hasProperty("nagle", is(false)),
                                    hasProperty("socketTo", is(3000)),
                                    hasProperty("aliveCheck", is(false))
                    //
                    ));
}
 

/**
 * Returns a String representation of the field or a default value in case if the field cannot
 * be converted to a String.
 * @param def the default value to be returned if an error occurs converting the field
 * @return a String representation of the field
 */
public String getString(String def) {
    return new StringConverter(def).convert(String.class, prepareValue());
}