StringToTypeConverterStringEnum extends StringToString { @Override public byte[] from(Object value, int length, int decimals, boolean addPadding) { if(value == null && this.defaultValue == null) { return null; } byte[] strBytes = fromEnumMap.get(value); if (strBytes.length > length) { throw new TypeConverterException("Field to small for value: " + length + " < " + strBytes.length); } if (addPadding) { strBytes = padBytes(strBytes, length); } return strBytes; }  @Override void validate(Class<?> type, int size, int decimals); @Override Object to(byte[] bytes, int offset, int length, int decimals, boolean removePadding); @Override byte[] from(Object value, int length, int decimals, boolean addPadding);  }
@Test public void testFrom() throws Exception { assertArrayEquals("HH".getBytes(StandardCharsets.UTF_8), typeConverter.from(TestStringEnum.HIGH, 2, -1, true)); assertArrayEquals("MM".getBytes(StandardCharsets.UTF_8), typeConverter.from(TestStringEnum.MEDIUM, 2, -1, true)); assertArrayEquals("LL".getBytes(StandardCharsets.UTF_8), typeConverter.from(TestStringEnum.LOW, 2, -1, true)); }
@Test public void testFromOverflow() throws Exception { expectedEx.expect(TypeConverterException.class); expectedEx.expectMessage("Field to small for value"); byte[] bytes = typeConverter.from(TestStringEnum.MEDIUM, 1, -1, true); }