Package com.alibaba.toolkit.util.typeconvert

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

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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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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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public class FloatConverter implements Converter {
    protected static final Float DEFAULT_VALUE = new Float(0.0F);

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

        if (value instanceof Float) {
            return value;
        }

        if (value instanceof Number) {
            return new Float(((Number) value).floatValue());
        }

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

            try {
                return new Float(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 IntegerConverter implements Converter {
    protected static final Integer DEFAULT_VALUE = new Integer(0);

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

        if (value instanceof Integer) {
            return value;
        }

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

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

            try {
                return Integer.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 LongConverter implements Converter {
    protected static final Long DEFAULT_VALUE = new Long(0L);

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

        if (value instanceof Long) {
            return value;
        }

        if (value instanceof Number) {
            return new Long(((Number) value).longValue());
        }

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

            try {
                return Long.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 DoubleConverter implements Converter {
    protected static final Double DEFAULT_VALUE = new Double(0.0);

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

        if (value instanceof Double) {
            return value;
        }

        if (value instanceof Number) {
            return new Double(((Number) value).doubleValue());
        }

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

            try {
                return new Double(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 SqlDateConverter implements Converter {
    protected static final Date DEFAULT_VALUE = null;

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

        if (value instanceof Date) {
            return value;
        }

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

            try {
                return Date.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 SqlTimeConverter implements Converter {
    protected static final Time DEFAULT_VALUE = null;

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

        if (value instanceof Time) {
            return value;
        }

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

            try {
                return Time.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 BigIntegerConverter implements Converter {
    protected static final BigInteger DEFAULT_VALUE = BigInteger.ZERO;

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

        if (value instanceof BigInteger) {
            return value;
        }

        if (value instanceof BigDecimal) {
            return ((BigDecimal) value).toBigInteger();
        }

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

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

            try {
                return new BigInteger(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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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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