Package com.alibaba.toolkit.util.typeconvert

Examples of com.alibaba.toolkit.util.typeconvert.ConvertFailedException

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public class ShortConverter implements Converter {
    protected static final Short DEFAULT_VALUE = new Short((short) 0);

    public Object convert(Object value, ConvertChain chain) {
        if (value == null) {
            throw new ConvertFailedException().setDefaultValue(DEFAULT_VALUE);
        }

        if (value instanceof Short) {
            return value;
        }

        if (value instanceof Number) {
            return new Short(((Number) value).shortValue());
        }

        if (value instanceof String) {
            String strValue = ((String) value).trim();

            try {
                return Short.decode(strValue);
            } catch (NumberFormatException e) {
                if (strValue.length() > 0) {
                    throw new ConvertFailedException(e);
                }

                throw new ConvertFailedException().setDefaultValue(DEFAULT_VALUE);
            }
        }

        return chain.convert(value);
    }
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public class SqlTimestampConverter implements Converter {
    protected static final Timestamp DEFAULT_VALUE = null;

    public Object convert(Object value, ConvertChain chain) {
        if (value == null) {
            throw new ConvertFailedException().setDefaultValue(DEFAULT_VALUE);
        }

        if (value instanceof Timestamp) {
            return value;
        }

        if (value instanceof String) {
            String strValue = ((String) value).trim();

            try {
                return Timestamp.valueOf(strValue);
            } catch (IllegalArgumentException e) {
                if (strValue.length() > 0) {
                    throw new ConvertFailedException(e);
                }

                throw new ConvertFailedException().setDefaultValue(DEFAULT_VALUE);
            }
        }

        return chain.convert(value);
    }
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public class StringConverter implements Converter {
    protected static final String DEFAULT_VALUE = "";

    public Object convert(Object value, ConvertChain chain) {
        if (value == null) {
            throw new ConvertFailedException().setDefaultValue(DEFAULT_VALUE);
        }

        if (value instanceof String) {
            return value;
        }
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public class BigDecimalConverter implements Converter {
    protected static final BigDecimal DEFAULT_VALUE = new BigDecimal(BigInteger.ZERO);

    public Object convert(Object value, ConvertChain chain) {
        if (value == null) {
            throw new ConvertFailedException().setDefaultValue(DEFAULT_VALUE);
        }

        if (value instanceof BigDecimal) {
            return value;
        }

        if (value instanceof BigInteger) {
            return new BigDecimal((BigInteger) value);
        }

        if (value instanceof Number) {
            return new BigDecimal(value.toString());
        }

        if (value instanceof String) {
            String strValue = ((String) value).trim();

            try {
                return new BigDecimal(strValue);
            } catch (NumberFormatException e) {
                if (strValue.length() > 0) {
                    throw new ConvertFailedException(e);
                }

                throw new ConvertFailedException().setDefaultValue(DEFAULT_VALUE);
            }
        }

        return chain.convert(value);
    }
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        } catch (ConvertFailedException e) {
            if (e.isDefaultValueSet()) {
                enumObj = Enum.getEnumByValue(targetType, e.getDefaultValue());

                if (enumObj != null) {
                    throw new ConvertFailedException(e).setDefaultValue(enumObj);
                }
            }

            return chain.convert(value);
        }

        if (enumObj == null) {
            throw new ConvertFailedException();
        }

        return enumObj;
    }
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    protected static final Set     FALSE_STRINGS = new HashSet(Arrays.asList(new String[] { "false", "null", "nul", "nil",
                                                                                            "off", "no", "n" }));

    public Object convert(Object value, ConvertChain chain) {
        if (value == null) {
            throw new ConvertFailedException().setDefaultValue(DEFAULT_VALUE);
        }

        if (value instanceof Boolean) {
            return value;
        }

        if (value instanceof Number) {
            return Math.abs(((Number) value).doubleValue()) < Float.MIN_VALUE ? Boolean.FALSE : Boolean.TRUE;
        }

        if (value instanceof String) {
            String strValue = ((String) value).trim();

            try {
                return Integer.decode(strValue).intValue() == 0 ? Boolean.FALSE : Boolean.TRUE;
            } catch (NumberFormatException e) {
                if (strValue.length() == 0) {
                    throw new ConvertFailedException().setDefaultValue(DEFAULT_VALUE);
                }

                strValue = strValue.toLowerCase();

                if (TRUE_STRINGS.contains(strValue)) {
                    return Boolean.TRUE;
                }

                if (FALSE_STRINGS.contains(strValue)) {
                    return Boolean.FALSE;
                }

                throw new ConvertFailedException(e);
            }
        }

        return chain.convert(value);
    }
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    public Object convert(Object value, ConvertChain chain) {
        Class targetType = chain.getTargetType();
        Class componentType = targetType.getComponentType();

        if (componentType == null) {
            throw new ConvertFailedException();
        }

        if (value == null) {
            throw new ConvertFailedException().setDefaultValue(Array.newInstance(componentType, 0));
        }

        if (targetType.isInstance(value)) {
            return value;
        }
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        FlagSet flagSet = null;

        try {
            flagSet = (FlagSet) targetType.newInstance();
        } catch (Exception e) {
            return new ConvertFailedException();
        }

        try {
            Object flagSetValue = chain.getConvertManager().asTypeWithoutDefaultValue(flagSet.getUnderlyingClass(),
                                                                                      value);

            flagSet.setValue(flagSetValue);
        } catch (ConvertFailedException e) {
            if (e.isDefaultValueSet()) {
                flagSet.setValue(e.getDefaultValue());
                throw new ConvertFailedException(e).setDefaultValue(flagSet);
            }

            return chain.convert(value);
        }
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public class ByteConverter implements Converter {
    protected static final Byte DEFAULT_VALUE = new Byte((byte) 0);

    public Object convert(Object value, ConvertChain chain) {
        if (value == null) {
            throw new ConvertFailedException().setDefaultValue(DEFAULT_VALUE);
        }

        if (value instanceof Byte) {
            return value;
        }

        if (value instanceof Number) {
            return new Byte(((Number) value).byteValue());
        }

        if (value instanceof String) {
            String strValue = ((String) value).trim();

            try {
                return Byte.decode(strValue);
            } catch (NumberFormatException e) {
                if (strValue.length() > 0) {
                    throw new ConvertFailedException(e);
                }

                throw new ConvertFailedException().setDefaultValue(DEFAULT_VALUE);
            }
        }

        return chain.convert(value);
    }
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public class CharacterConverter implements Converter {
    protected static final Character DEFAULT_VALUE = new Character('\0');

    public Object convert(Object value, ConvertChain chain) {
        if (value == null) {
            throw new ConvertFailedException().setDefaultValue(DEFAULT_VALUE);
        }

        if (value instanceof Character) {
            return value;
        }

        if (value instanceof Number) {
            return new Character((char) ((Number) value).intValue());
        }

        if (value instanceof String) {
            String strValue = ((String) value).trim();

            try {
                return new Character((char) Integer.decode(strValue).intValue());
            } catch (NumberFormatException e) {
                if (strValue.length() > 0) {
                    throw new ConvertFailedException(e);
                }

                throw new ConvertFailedException().setDefaultValue(DEFAULT_VALUE);
            }
        }

        return chain.convert(value);
    }
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Related Classes of com.alibaba.toolkit.util.typeconvert.ConvertFailedException

  • com.alibaba.toolkit.util.enumeration.EnumConverter
  • com.alibaba.toolkit.util.enumeration.FlagSetConverter
  • com.alibaba.toolkit.util.typeconvert.converters.BigDecimalConverter
  • com.alibaba.toolkit.util.typeconvert.converters.BigIntegerConverter
  • com.alibaba.toolkit.util.typeconvert.converters.BooleanConverter
  • com.alibaba.toolkit.util.typeconvert.converters.ByteConverter
  • com.alibaba.toolkit.util.typeconvert.converters.CharacterConverter
  • com.alibaba.toolkit.util.typeconvert.converters.DoubleConverter
  • com.alibaba.toolkit.util.typeconvert.converters.FloatConverter
  • com.alibaba.toolkit.util.typeconvert.converters.IntegerConverter
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